diff options
Diffstat (limited to 'Core')
| -rw-r--r-- | Core/Inc/main.h | 20 | ||||
| -rw-r--r-- | Core/Inc/stm32l4xx_hal_conf.h | 482 | ||||
| -rw-r--r-- | Core/Inc/stm32l4xx_it.h (renamed from Core/Inc/stm32u0xx_it.h) | 16 | ||||
| -rw-r--r-- | Core/Inc/stm32u0xx_hal_conf.h | 338 | ||||
| -rw-r--r-- | Core/Src/main.c | 205 | ||||
| -rw-r--r-- | Core/Src/stm32l4xx_hal_msp.c (renamed from Core/Src/stm32u0xx_hal_msp.c) | 42 | ||||
| -rw-r--r-- | Core/Src/stm32l4xx_it.c (renamed from Core/Src/stm32u0xx_it.c) | 94 | ||||
| -rw-r--r-- | Core/Src/system_stm32l4xx.c | 332 |
8 files changed, 1003 insertions, 526 deletions
diff --git a/Core/Inc/main.h b/Core/Inc/main.h index 2f460cf..862756f 100644 --- a/Core/Inc/main.h +++ b/Core/Inc/main.h @@ -27,7 +27,7 @@ extern "C" { #endif
/* Includes ------------------------------------------------------------------*/
-#include "stm32u0xx_hal.h"
+#include "stm32l4xx_hal.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
@@ -57,24 +57,6 @@ void Error_Handler(void); /* USER CODE END EFP */
/* Private defines -----------------------------------------------------------*/
-#define LED_GREEN_Pin GPIO_PIN_13
-#define LED_GREEN_GPIO_Port GPIOC
-#define Joystick_Pin GPIO_PIN_2
-#define Joystick_GPIO_Port GPIOC
-#define VCP_TX_Pin GPIO_PIN_2
-#define VCP_TX_GPIO_Port GPIOA
-#define VCP_RX_Pin GPIO_PIN_3
-#define VCP_RX_GPIO_Port GPIOA
-#define LED_BLUE_Pin GPIO_PIN_5
-#define LED_BLUE_GPIO_Port GPIOA
-#define LED_RED_Pin GPIO_PIN_2
-#define LED_RED_GPIO_Port GPIOB
-#define IDLE_Pin GPIO_PIN_9
-#define IDLE_GPIO_Port GPIOD
-#define SWDIO_Pin GPIO_PIN_13
-#define SWDIO_GPIO_Port GPIOA
-#define SWCLK_Pin GPIO_PIN_14
-#define SWCLK_GPIO_Port GPIOA
/* USER CODE BEGIN Private defines */
diff --git a/Core/Inc/stm32l4xx_hal_conf.h b/Core/Inc/stm32l4xx_hal_conf.h new file mode 100644 index 0000000..7825646 --- /dev/null +++ b/Core/Inc/stm32l4xx_hal_conf.h @@ -0,0 +1,482 @@ +/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file stm32l4xx_hal_conf.h
+ * @author MCD Application Team
+ * @brief HAL configuration template file.
+ * This file should be copied to the application folder and renamed
+ * to stm32l4xx_hal_conf.h.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef STM32L4xx_HAL_CONF_H
+#define STM32L4xx_HAL_CONF_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/* ########################## Module Selection ############################## */
+/**
+ * @brief This is the list of modules to be used in the HAL driver
+ */
+#define HAL_MODULE_ENABLED
+/*#define HAL_ADC_MODULE_ENABLED */
+/*#define HAL_CRYP_MODULE_ENABLED */
+/*#define HAL_CAN_MODULE_ENABLED */
+/*#define HAL_COMP_MODULE_ENABLED */
+/*#define HAL_I2C_MODULE_ENABLED */
+/*#define HAL_CRC_MODULE_ENABLED */
+/*#define HAL_CRYP_MODULE_ENABLED */
+/*#define HAL_DAC_MODULE_ENABLED */
+/*#define HAL_DCMI_MODULE_ENABLED */
+/*#define HAL_DMA2D_MODULE_ENABLED */
+/*#define HAL_DFSDM_MODULE_ENABLED */
+/*#define HAL_DSI_MODULE_ENABLED */
+/*#define HAL_FIREWALL_MODULE_ENABLED */
+/*#define HAL_GFXMMU_MODULE_ENABLED */
+/*#define HAL_HCD_MODULE_ENABLED */
+/*#define HAL_HASH_MODULE_ENABLED */
+/*#define HAL_I2S_MODULE_ENABLED */
+/*#define HAL_IRDA_MODULE_ENABLED */
+/*#define HAL_IWDG_MODULE_ENABLED */
+/*#define HAL_LTDC_MODULE_ENABLED */
+/*#define HAL_LCD_MODULE_ENABLED */
+/*#define HAL_LPTIM_MODULE_ENABLED */
+/*#define HAL_MMC_MODULE_ENABLED */
+/*#define HAL_NAND_MODULE_ENABLED */
+/*#define HAL_NOR_MODULE_ENABLED */
+/*#define HAL_OPAMP_MODULE_ENABLED */
+/*#define HAL_OSPI_MODULE_ENABLED */
+/*#define HAL_OSPI_MODULE_ENABLED */
+/*#define HAL_PCD_MODULE_ENABLED */
+/*#define HAL_PKA_MODULE_ENABLED */
+/*#define HAL_QSPI_MODULE_ENABLED */
+/*#define HAL_QSPI_MODULE_ENABLED */
+/*#define HAL_RNG_MODULE_ENABLED */
+/*#define HAL_RTC_MODULE_ENABLED */
+/*#define HAL_SAI_MODULE_ENABLED */
+/*#define HAL_SD_MODULE_ENABLED */
+/*#define HAL_SMBUS_MODULE_ENABLED */
+/*#define HAL_SMARTCARD_MODULE_ENABLED */
+#define HAL_SPI_MODULE_ENABLED
+/*#define HAL_SRAM_MODULE_ENABLED */
+/*#define HAL_SWPMI_MODULE_ENABLED */
+/*#define HAL_TIM_MODULE_ENABLED */
+/*#define HAL_TSC_MODULE_ENABLED */
+#define HAL_UART_MODULE_ENABLED
+/*#define HAL_USART_MODULE_ENABLED */
+/*#define HAL_WWDG_MODULE_ENABLED */
+/*#define HAL_EXTI_MODULE_ENABLED */
+/*#define HAL_PSSI_MODULE_ENABLED */
+#define HAL_GPIO_MODULE_ENABLED
+#define HAL_EXTI_MODULE_ENABLED
+#define HAL_DMA_MODULE_ENABLED
+#define HAL_RCC_MODULE_ENABLED
+#define HAL_FLASH_MODULE_ENABLED
+#define HAL_PWR_MODULE_ENABLED
+#define HAL_CORTEX_MODULE_ENABLED
+
+/* ########################## Oscillator Values adaptation ####################*/
+/**
+ * @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
+ * This value is used by the RCC HAL module to compute the system frequency
+ * (when HSE is used as system clock source, directly or through the PLL).
+ */
+#if !defined (HSE_VALUE)
+ #define HSE_VALUE ((uint32_t)8000000U) /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined (HSE_STARTUP_TIMEOUT)
+ #define HSE_STARTUP_TIMEOUT ((uint32_t)100U) /*!< Time out for HSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+ * @brief Internal Multiple Speed oscillator (MSI) default value.
+ * This value is the default MSI range value after Reset.
+ */
+#if !defined (MSI_VALUE)
+ #define MSI_VALUE ((uint32_t)4000000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* MSI_VALUE */
+/**
+ * @brief Internal High Speed oscillator (HSI) value.
+ * This value is used by the RCC HAL module to compute the system frequency
+ * (when HSI is used as system clock source, directly or through the PLL).
+ */
+#if !defined (HSI_VALUE)
+ #define HSI_VALUE ((uint32_t)16000000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+/**
+ * @brief Internal High Speed oscillator (HSI48) value for USB FS, SDMMC and RNG.
+ * This internal oscillator is mainly dedicated to provide a high precision clock to
+ * the USB peripheral by means of a special Clock Recovery System (CRS) circuitry.
+ * When the CRS is not used, the HSI48 RC oscillator runs on it default frequency
+ * which is subject to manufacturing process variations.
+ */
+#if !defined (HSI48_VALUE)
+ #define HSI48_VALUE ((uint32_t)48000000U) /*!< Value of the Internal High Speed oscillator for USB FS/SDMMC/RNG in Hz.
+ The real value my vary depending on manufacturing process variations.*/
+#endif /* HSI48_VALUE */
+
+/**
+ * @brief Internal Low Speed oscillator (LSI) value.
+ */
+#if !defined (LSI_VALUE)
+ #define LSI_VALUE 32000U /*!< LSI Typical Value in Hz*/
+#endif /* LSI_VALUE */ /*!< Value of the Internal Low Speed oscillator in Hz
+ The real value may vary depending on the variations
+ in voltage and temperature.*/
+
+/**
+ * @brief External Low Speed oscillator (LSE) value.
+ * This value is used by the UART, RTC HAL module to compute the system frequency
+ */
+#if !defined (LSE_VALUE)
+ #define LSE_VALUE 32768U /*!< Value of the External oscillator in Hz*/
+#endif /* LSE_VALUE */
+
+#if !defined (LSE_STARTUP_TIMEOUT)
+ #define LSE_STARTUP_TIMEOUT 5000U /*!< Time out for LSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+ * @brief External clock source for SAI1 peripheral
+ * This value is used by the RCC HAL module to compute the SAI1 & SAI2 clock source
+ * frequency.
+ */
+#if !defined (EXTERNAL_SAI1_CLOCK_VALUE)
+ #define EXTERNAL_SAI1_CLOCK_VALUE 2097000U /*!< Value of the SAI1 External clock source in Hz*/
+#endif /* EXTERNAL_SAI1_CLOCK_VALUE */
+
+/**
+ * @brief External clock source for SAI2 peripheral
+ * This value is used by the RCC HAL module to compute the SAI1 & SAI2 clock source
+ * frequency.
+ */
+#if !defined (EXTERNAL_SAI2_CLOCK_VALUE)
+ #define EXTERNAL_SAI2_CLOCK_VALUE 2097000U /*!< Value of the SAI2 External clock source in Hz*/
+#endif /* EXTERNAL_SAI2_CLOCK_VALUE */
+
+/* Tip: To avoid modifying this file each time you need to use different HSE,
+ === you can define the HSE value in your toolchain compiler preprocessor. */
+
+/* ########################### System Configuration ######################### */
+/**
+ * @brief This is the HAL system configuration section
+ */
+
+#define VDD_VALUE 3300U /*!< Value of VDD in mv */
+#define TICK_INT_PRIORITY 15U /*!< tick interrupt priority */
+#define USE_RTOS 0U
+#define PREFETCH_ENABLE 0U
+#define INSTRUCTION_CACHE_ENABLE 1U
+#define DATA_CACHE_ENABLE 1U
+
+/* ########################## Assert Selection ############################## */
+/**
+ * @brief Uncomment the line below to expanse the "assert_param" macro in the
+ * HAL drivers code
+ */
+/* #define USE_FULL_ASSERT 1U */
+
+/* ################## Register callback feature configuration ############### */
+/**
+ * @brief Set below the peripheral configuration to "1U" to add the support
+ * of HAL callback registration/deregistration feature for the HAL
+ * driver(s). This allows user application to provide specific callback
+ * functions thanks to HAL_PPP_RegisterCallback() rather than overwriting
+ * the default weak callback functions (see each stm32l4xx_hal_ppp.h file
+ * for possible callback identifiers defined in HAL_PPP_CallbackIDTypeDef
+ * for each PPP peripheral).
+ */
+#define USE_HAL_ADC_REGISTER_CALLBACKS 0U
+#define USE_HAL_CAN_REGISTER_CALLBACKS 0U
+#define USE_HAL_COMP_REGISTER_CALLBACKS 0U
+#define USE_HAL_CRYP_REGISTER_CALLBACKS 0U
+#define USE_HAL_DAC_REGISTER_CALLBACKS 0U
+#define USE_HAL_DCMI_REGISTER_CALLBACKS 0U
+#define USE_HAL_DFSDM_REGISTER_CALLBACKS 0U
+#define USE_HAL_DMA2D_REGISTER_CALLBACKS 0U
+#define USE_HAL_DSI_REGISTER_CALLBACKS 0U
+#define USE_HAL_GFXMMU_REGISTER_CALLBACKS 0U
+#define USE_HAL_HASH_REGISTER_CALLBACKS 0U
+#define USE_HAL_HCD_REGISTER_CALLBACKS 0U
+#define USE_HAL_I2C_REGISTER_CALLBACKS 0U
+#define USE_HAL_IRDA_REGISTER_CALLBACKS 0U
+#define USE_HAL_LPTIM_REGISTER_CALLBACKS 0U
+#define USE_HAL_LTDC_REGISTER_CALLBACKS 0U
+#define USE_HAL_MMC_REGISTER_CALLBACKS 0U
+#define USE_HAL_OPAMP_REGISTER_CALLBACKS 0U
+#define USE_HAL_OSPI_REGISTER_CALLBACKS 0U
+#define USE_HAL_PCD_REGISTER_CALLBACKS 0U
+#define USE_HAL_QSPI_REGISTER_CALLBACKS 0U
+#define USE_HAL_RNG_REGISTER_CALLBACKS 0U
+#define USE_HAL_RTC_REGISTER_CALLBACKS 0U
+#define USE_HAL_SAI_REGISTER_CALLBACKS 0U
+#define USE_HAL_SD_REGISTER_CALLBACKS 0U
+#define USE_HAL_SMARTCARD_REGISTER_CALLBACKS 0U
+#define USE_HAL_SMBUS_REGISTER_CALLBACKS 0U
+#define USE_HAL_SPI_REGISTER_CALLBACKS 0U
+#define USE_HAL_SWPMI_REGISTER_CALLBACKS 0U
+#define USE_HAL_TIM_REGISTER_CALLBACKS 0U
+#define USE_HAL_TSC_REGISTER_CALLBACKS 0U
+#define USE_HAL_UART_REGISTER_CALLBACKS 0U
+#define USE_HAL_USART_REGISTER_CALLBACKS 0U
+#define USE_HAL_WWDG_REGISTER_CALLBACKS 0U
+
+/* ################## SPI peripheral configuration ########################## */
+
+/* CRC FEATURE: Use to activate CRC feature inside HAL SPI Driver
+ * Activated: CRC code is present inside driver
+ * Deactivated: CRC code cleaned from driver
+ */
+
+#define USE_SPI_CRC 0U
+
+/* Includes ------------------------------------------------------------------*/
+/**
+ * @brief Include module's header file
+ */
+
+#ifdef HAL_RCC_MODULE_ENABLED
+ #include "stm32l4xx_hal_rcc.h"
+#endif /* HAL_RCC_MODULE_ENABLED */
+
+#ifdef HAL_GPIO_MODULE_ENABLED
+ #include "stm32l4xx_hal_gpio.h"
+#endif /* HAL_GPIO_MODULE_ENABLED */
+
+#ifdef HAL_DMA_MODULE_ENABLED
+ #include "stm32l4xx_hal_dma.h"
+#endif /* HAL_DMA_MODULE_ENABLED */
+
+#ifdef HAL_DFSDM_MODULE_ENABLED
+ #include "stm32l4xx_hal_dfsdm.h"
+#endif /* HAL_DFSDM_MODULE_ENABLED */
+
+#ifdef HAL_CORTEX_MODULE_ENABLED
+ #include "stm32l4xx_hal_cortex.h"
+#endif /* HAL_CORTEX_MODULE_ENABLED */
+
+#ifdef HAL_ADC_MODULE_ENABLED
+ #include "stm32l4xx_hal_adc.h"
+#endif /* HAL_ADC_MODULE_ENABLED */
+
+#ifdef HAL_CAN_MODULE_ENABLED
+ #include "stm32l4xx_hal_can.h"
+#endif /* HAL_CAN_MODULE_ENABLED */
+
+#ifdef HAL_CAN_LEGACY_MODULE_ENABLED
+ #include "Legacy/stm32l4xx_hal_can_legacy.h"
+#endif /* HAL_CAN_LEGACY_MODULE_ENABLED */
+
+#ifdef HAL_COMP_MODULE_ENABLED
+ #include "stm32l4xx_hal_comp.h"
+#endif /* HAL_COMP_MODULE_ENABLED */
+
+#ifdef HAL_CRC_MODULE_ENABLED
+ #include "stm32l4xx_hal_crc.h"
+#endif /* HAL_CRC_MODULE_ENABLED */
+
+#ifdef HAL_CRYP_MODULE_ENABLED
+ #include "stm32l4xx_hal_cryp.h"
+#endif /* HAL_CRYP_MODULE_ENABLED */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+ #include "stm32l4xx_hal_dac.h"
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+#ifdef HAL_DCMI_MODULE_ENABLED
+ #include "stm32l4xx_hal_dcmi.h"
+#endif /* HAL_DCMI_MODULE_ENABLED */
+
+#ifdef HAL_DMA2D_MODULE_ENABLED
+ #include "stm32l4xx_hal_dma2d.h"
+#endif /* HAL_DMA2D_MODULE_ENABLED */
+
+#ifdef HAL_DSI_MODULE_ENABLED
+ #include "stm32l4xx_hal_dsi.h"
+#endif /* HAL_DSI_MODULE_ENABLED */
+
+#ifdef HAL_EXTI_MODULE_ENABLED
+ #include "stm32l4xx_hal_exti.h"
+#endif /* HAL_EXTI_MODULE_ENABLED */
+
+#ifdef HAL_GFXMMU_MODULE_ENABLED
+ #include "stm32l4xx_hal_gfxmmu.h"
+#endif /* HAL_GFXMMU_MODULE_ENABLED */
+
+#ifdef HAL_FIREWALL_MODULE_ENABLED
+ #include "stm32l4xx_hal_firewall.h"
+#endif /* HAL_FIREWALL_MODULE_ENABLED */
+
+#ifdef HAL_FLASH_MODULE_ENABLED
+ #include "stm32l4xx_hal_flash.h"
+#endif /* HAL_FLASH_MODULE_ENABLED */
+
+#ifdef HAL_HASH_MODULE_ENABLED
+ #include "stm32l4xx_hal_hash.h"
+#endif /* HAL_HASH_MODULE_ENABLED */
+
+#ifdef HAL_HCD_MODULE_ENABLED
+ #include "stm32l4xx_hal_hcd.h"
+#endif /* HAL_HCD_MODULE_ENABLED */
+
+#ifdef HAL_I2C_MODULE_ENABLED
+ #include "stm32l4xx_hal_i2c.h"
+#endif /* HAL_I2C_MODULE_ENABLED */
+
+#ifdef HAL_IRDA_MODULE_ENABLED
+ #include "stm32l4xx_hal_irda.h"
+#endif /* HAL_IRDA_MODULE_ENABLED */
+
+#ifdef HAL_IWDG_MODULE_ENABLED
+ #include "stm32l4xx_hal_iwdg.h"
+#endif /* HAL_IWDG_MODULE_ENABLED */
+
+#ifdef HAL_LCD_MODULE_ENABLED
+ #include "stm32l4xx_hal_lcd.h"
+#endif /* HAL_LCD_MODULE_ENABLED */
+
+#ifdef HAL_LPTIM_MODULE_ENABLED
+ #include "stm32l4xx_hal_lptim.h"
+#endif /* HAL_LPTIM_MODULE_ENABLED */
+
+#ifdef HAL_LTDC_MODULE_ENABLED
+ #include "stm32l4xx_hal_ltdc.h"
+#endif /* HAL_LTDC_MODULE_ENABLED */
+
+#ifdef HAL_MMC_MODULE_ENABLED
+ #include "stm32l4xx_hal_mmc.h"
+#endif /* HAL_MMC_MODULE_ENABLED */
+
+#ifdef HAL_NAND_MODULE_ENABLED
+ #include "stm32l4xx_hal_nand.h"
+#endif /* HAL_NAND_MODULE_ENABLED */
+
+#ifdef HAL_NOR_MODULE_ENABLED
+ #include "stm32l4xx_hal_nor.h"
+#endif /* HAL_NOR_MODULE_ENABLED */
+
+#ifdef HAL_OPAMP_MODULE_ENABLED
+ #include "stm32l4xx_hal_opamp.h"
+#endif /* HAL_OPAMP_MODULE_ENABLED */
+
+#ifdef HAL_OSPI_MODULE_ENABLED
+ #include "stm32l4xx_hal_ospi.h"
+#endif /* HAL_OSPI_MODULE_ENABLED */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+ #include "stm32l4xx_hal_pcd.h"
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+#ifdef HAL_PKA_MODULE_ENABLED
+ #include "stm32l4xx_hal_pka.h"
+#endif /* HAL_PKA_MODULE_ENABLED */
+
+#ifdef HAL_PSSI_MODULE_ENABLED
+ #include "stm32l4xx_hal_pssi.h"
+#endif /* HAL_PSSI_MODULE_ENABLED */
+
+#ifdef HAL_PWR_MODULE_ENABLED
+ #include "stm32l4xx_hal_pwr.h"
+#endif /* HAL_PWR_MODULE_ENABLED */
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+ #include "stm32l4xx_hal_qspi.h"
+#endif /* HAL_QSPI_MODULE_ENABLED */
+
+#ifdef HAL_RNG_MODULE_ENABLED
+ #include "stm32l4xx_hal_rng.h"
+#endif /* HAL_RNG_MODULE_ENABLED */
+
+#ifdef HAL_RTC_MODULE_ENABLED
+ #include "stm32l4xx_hal_rtc.h"
+#endif /* HAL_RTC_MODULE_ENABLED */
+
+#ifdef HAL_SAI_MODULE_ENABLED
+ #include "stm32l4xx_hal_sai.h"
+#endif /* HAL_SAI_MODULE_ENABLED */
+
+#ifdef HAL_SD_MODULE_ENABLED
+ #include "stm32l4xx_hal_sd.h"
+#endif /* HAL_SD_MODULE_ENABLED */
+
+#ifdef HAL_SMARTCARD_MODULE_ENABLED
+ #include "stm32l4xx_hal_smartcard.h"
+#endif /* HAL_SMARTCARD_MODULE_ENABLED */
+
+#ifdef HAL_SMBUS_MODULE_ENABLED
+ #include "stm32l4xx_hal_smbus.h"
+#endif /* HAL_SMBUS_MODULE_ENABLED */
+
+#ifdef HAL_SPI_MODULE_ENABLED
+ #include "stm32l4xx_hal_spi.h"
+#endif /* HAL_SPI_MODULE_ENABLED */
+
+#ifdef HAL_SRAM_MODULE_ENABLED
+ #include "stm32l4xx_hal_sram.h"
+#endif /* HAL_SRAM_MODULE_ENABLED */
+
+#ifdef HAL_SWPMI_MODULE_ENABLED
+ #include "stm32l4xx_hal_swpmi.h"
+#endif /* HAL_SWPMI_MODULE_ENABLED */
+
+#ifdef HAL_TIM_MODULE_ENABLED
+ #include "stm32l4xx_hal_tim.h"
+#endif /* HAL_TIM_MODULE_ENABLED */
+
+#ifdef HAL_TSC_MODULE_ENABLED
+ #include "stm32l4xx_hal_tsc.h"
+#endif /* HAL_TSC_MODULE_ENABLED */
+
+#ifdef HAL_UART_MODULE_ENABLED
+ #include "stm32l4xx_hal_uart.h"
+#endif /* HAL_UART_MODULE_ENABLED */
+
+#ifdef HAL_USART_MODULE_ENABLED
+ #include "stm32l4xx_hal_usart.h"
+#endif /* HAL_USART_MODULE_ENABLED */
+
+#ifdef HAL_WWDG_MODULE_ENABLED
+ #include "stm32l4xx_hal_wwdg.h"
+#endif /* HAL_WWDG_MODULE_ENABLED */
+
+/* Exported macro ------------------------------------------------------------*/
+#ifdef USE_FULL_ASSERT
+/**
+ * @brief The assert_param macro is used for function's parameters check.
+ * @param expr If expr is false, it calls assert_failed function
+ * which reports the name of the source file and the source
+ * line number of the call that failed.
+ * If expr is true, it returns no value.
+ * @retval None
+ */
+ #define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
+/* Exported functions ------------------------------------------------------- */
+ void assert_failed(uint8_t *file, uint32_t line);
+#else
+ #define assert_param(expr) ((void)0U)
+#endif /* USE_FULL_ASSERT */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32L4xx_HAL_CONF_H */
diff --git a/Core/Inc/stm32u0xx_it.h b/Core/Inc/stm32l4xx_it.h index d134079..38a714d 100644 --- a/Core/Inc/stm32u0xx_it.h +++ b/Core/Inc/stm32l4xx_it.h @@ -1,7 +1,7 @@ /* USER CODE BEGIN Header */
/**
******************************************************************************
- * @file stm32u0xx_it.h
+ * @file stm32l4xx_it.h
* @brief This file contains the headers of the interrupt handlers.
******************************************************************************
* @attention
@@ -18,8 +18,8 @@ /* USER CODE END Header */
/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __STM32U0xx_IT_H
-#define __STM32U0xx_IT_H
+#ifndef __STM32L4xx_IT_H
+#define __STM32L4xx_IT_H
#ifdef __cplusplus
extern "C" {
@@ -48,11 +48,15 @@ /* Exported functions prototypes ---------------------------------------------*/
void NMI_Handler(void);
void HardFault_Handler(void);
+void MemManage_Handler(void);
+void BusFault_Handler(void);
+void UsageFault_Handler(void);
void SVC_Handler(void);
+void DebugMon_Handler(void);
void PendSV_Handler(void);
void SysTick_Handler(void);
-void DMA1_Channel1_IRQHandler(void);
-void DMA1_Channel2_3_IRQHandler(void);
+void DMA1_Channel2_IRQHandler(void);
+void DMA1_Channel3_IRQHandler(void);
/* USER CODE BEGIN EFP */
/* USER CODE END EFP */
@@ -61,4 +65,4 @@ void DMA1_Channel2_3_IRQHandler(void); }
#endif
-#endif /* __STM32U0xx_IT_H */
+#endif /* __STM32L4xx_IT_H */
diff --git a/Core/Inc/stm32u0xx_hal_conf.h b/Core/Inc/stm32u0xx_hal_conf.h deleted file mode 100644 index 66cfc34..0000000 --- a/Core/Inc/stm32u0xx_hal_conf.h +++ /dev/null @@ -1,338 +0,0 @@ -/* USER CODE BEGIN Header */
-/**
- ******************************************************************************
- * @file stm32u0xx_hal_conf.h
- * @author MCD Application Team
- * @brief HAL configuration file.
- ******************************************************************************
- * @attention
- *
- * Copyright (c) 2023 STMicroelectronics.
- * All rights reserved.
- *
- * This software is licensed under terms that can be found in the LICENSE file
- * in the root directory of this software component.
- * If no LICENSE file comes with this software, it is provided AS-IS.
- *
- ******************************************************************************
- */
-/* USER CODE END Header */
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __STM32U0xx_HAL_CONF_H
-#define __STM32U0xx_HAL_CONF_H
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-/* Exported types ------------------------------------------------------------*/
-/* Exported constants --------------------------------------------------------*/
-
-/* ########################## Module Selection ############################## */
-/**
- * @brief This is the list of modules to be used in the HAL driver
- */
-
-#define HAL_MODULE_ENABLED
-/* #define HAL_ADC_MODULE_ENABLED */
-/* #define HAL_COMP_MODULE_ENABLED */
-/* #define HAL_CRC_MODULE_ENABLED */
-/* #define HAL_CRS_MODULE_ENABLED */
-/* #define HAL_CRYP_MODULE_ENABLED */
-/* #define HAL_DAC_MODULE_ENABLED */
-/* #define HAL_I2C_MODULE_ENABLED */
-/* #define HAL_IRDA_MODULE_ENABLED */
-/* #define HAL_IWDG_MODULE_ENABLED */
-/* #define HAL_LCD_MODULE_ENABLED */
-/* #define HAL_LPTIM_MODULE_ENABLED */
-/* #define HAL_OPAMP_MODULE_ENABLED */
-/* #define HAL_PCD_MODULE_ENABLED */
-/* #define HAL_RNG_MODULE_ENABLED */
-/* #define HAL_RTC_MODULE_ENABLED */
-#define HAL_SPI_MODULE_ENABLED
-/* #define HAL_SMARTCARD_MODULE_ENABLED */
-/* #define HAL_TIM_MODULE_ENABLED */
-/* #define HAL_TSC_MODULE_ENABLED */
-#define HAL_UART_MODULE_ENABLED
-/* #define HAL_USART_MODULE_ENABLED */
-/* #define HAL_WWDG_MODULE_ENABLED */
-#define HAL_GPIO_MODULE_ENABLED
-#define HAL_EXTI_MODULE_ENABLED
-#define HAL_DMA_MODULE_ENABLED
-#define HAL_RCC_MODULE_ENABLED
-#define HAL_FLASH_MODULE_ENABLED
-#define HAL_PWR_MODULE_ENABLED
-#define HAL_CORTEX_MODULE_ENABLED
-
-/* ########################## Oscillator Values adaptation ####################*/
-/**
- * @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
- * This value is used by the RCC HAL module to compute the system frequency
- * (when HSE is used as system clock source, directly or through the PLL).
- */
-#if !defined (HSE_VALUE)
- #define HSE_VALUE 4000000U /*!< Value of the External oscillator in Hz */
-#endif /* HSE_VALUE */
-
-#if !defined (HSE_STARTUP_TIMEOUT)
- #define HSE_STARTUP_TIMEOUT 100U /*!< Time out for HSE start up, in ms */
-#endif /* HSE_STARTUP_TIMEOUT */
-
-/**
- * @brief Internal Multiple Speed oscillator (MSI) default value.
- * This value is the default MSI range value after Reset.
- */
-#if !defined (MSI_VALUE)
- #define MSI_VALUE 4000000U /*!< Value of the Internal oscillator in Hz*/
-#endif /* MSI_VALUE */
-
-/**
- * @brief Internal Multiple Speed oscillator (MSI) default value.
- * This value is the default MSI range value after Reset.
- */
-#if !defined (MSI32_VALUE)
-#define MSI32_VALUE 32000000U /*!< Value of the Internal oscillator in Hz*/
-#endif /* MSI32_VALUE */
-
-/**
- * @brief Internal High Speed oscillator (HSI) value.
- * This value is used by the RCC HAL module to compute the system frequency
- * (when HSI is used as system clock source, directly or through the PLL).
- */
-#if !defined (HSI_VALUE)
- #define HSI_VALUE 16000000U /*!< Value of the Internal oscillator in Hz*/
-#endif /* HSI_VALUE */
-
-/**
- * @brief Internal High Speed oscillator (HSI48) value for USB FS and RNG.
- * This internal oscillator is mainly dedicated to provide a high precision clock to
- * the USB peripheral by means of a special Clock Recovery System (CRS) circuitry.
- * When the CRS is not used, the HSI48 RC oscillator runs on it default frequency
- * which is subject to manufacturing process variations.
- */
-#if !defined (HSI48_VALUE)
- #define HSI48_VALUE 48000000U /*!< Value of the Internal High Speed oscillator for USB FS/RNG in Hz.
- The real value my vary depending on manufacturing process variations.*/
-#endif /* HSI48_VALUE */
-
-/**
- * @brief Internal Low Speed oscillator (LSI) value.
- */
-#if !defined (LSI_VALUE)
- #define LSI_VALUE 32000U /*!< LSI Typical Value in Hz*/
-#endif /* LSI_VALUE */ /*!< Value of the Internal Low Speed oscillator in Hz
- The real value may vary depending on the variations
- in voltage and temperature.*/
-/**
- * @brief External Low Speed oscillator (LSE) value.
- * This value is used by the UART, RTC HAL module to compute the system frequency
- */
-#if !defined (LSE_VALUE)
- #define LSE_VALUE 32768U /*!< Value of the External oscillator in Hz*/
-#endif /* LSE_VALUE */
-
-#if !defined (LSE_STARTUP_TIMEOUT)
- #define LSE_STARTUP_TIMEOUT 5000U /*!< Time out for LSE start up, in ms */
-#endif /* LSE_STARTUP_TIMEOUT */
-
-/* Tip: To avoid modifying this file each time you need to use different HSE,
- === you can define the HSE value in your toolchain compiler preprocessor. */
-
-/* ########################### System Configuration ######################### */
-/**
- * @brief This is the HAL system configuration section
- */
-
-#define VDD_VALUE 1710U /*!< Value of VDD in mv */
-#define TICK_INT_PRIORITY (3U) /*!< tick interrupt priority (lowest by default) */
-#define USE_RTOS 0U
-#define PREFETCH_ENABLE 0U
-#define INSTRUCTION_CACHE_ENABLE 1U
-
-/* ########################## Assert Selection ############################## */
-/**
- * @brief Uncomment the line below to expanse the "assert_param" macro in the
- * HAL drivers code
- */
-
-/* #define USE_FULL_ASSERT 1U */
-
-/* ################## Register callback feature configuration ############### */
-/**
- * @brief Set below the peripheral configuration to "1U" to add the support
- * of HAL callback registration/unregistration feature for the HAL
- * driver(s). This allows user application to provide specific callback
- * functions thanks to HAL_PPP_RegisterCallback() rather than overwriting
- * the default weak callback functions (see each stm32n6xx_hal_ppp.h file
- * for possible callback identifiers defined in HAL_PPP_CallbackIDTypeDef
- * for each PPP peripheral).
- */
-#define USE_HAL_ADC_REGISTER_CALLBACKS 0U /* ADC register callback disabled */
-#define USE_HAL_CRYP_REGISTER_CALLBACKS 0U /* CRYP register callback disabled */
-#define USE_HAL_DAC_REGISTER_CALLBACKS 0U /* DAC register callback disabled */
-#define USE_HAL_I2C_REGISTER_CALLBACKS 0U /* I2C register callback disabled */
-#define USE_HAL_IWDG_REGISTER_CALLBACKS 0U /* IWDG register callback disabled */
-#define USE_HAL_IRDA_REGISTER_CALLBACKS 0U /* IRDA register callback disabled */
-#define USE_HAL_LPTIM_REGISTER_CALLBACKS 0U /* LPTIM register callback disabled */
-#define USE_HAL_LCD_REGISTER_CALLBACKS 0U /* LCD register callback disabled */
-#define USE_HAL_PCD_REGISTER_CALLBACKS 0U /* PCD register callback disabled */
-#define USE_HAL_RNG_REGISTER_CALLBACKS 0U /* RNG register callback disabled */
-#define USE_HAL_RTC_REGISTER_CALLBACKS 0U /* RTC register callback disabled */
-#define USE_HAL_SMARTCARD_REGISTER_CALLBACKS 0U /* SMARTCARD register callback disabled */
-#define USE_HAL_SPI_REGISTER_CALLBACKS 0U /* SPI register callback disabled */
-#define USE_HAL_TIM_REGISTER_CALLBACKS 0U /* TIM register callback disabled */
-#define USE_HAL_UART_REGISTER_CALLBACKS 0U /* UART register callback disabled */
-#define USE_HAL_USART_REGISTER_CALLBACKS 0U /* USART register callback disabled */
-#define USE_HAL_WWDG_REGISTER_CALLBACKS 0U /* WWDG register callback disabled */
-
-/* Includes ------------------------------------------------------------------*/
-/**
- * @brief Include module's header file
- */
-
-#ifdef HAL_RCC_MODULE_ENABLED
-#include "stm32u0xx_hal_rcc.h"
-#endif /* HAL_RCC_MODULE_ENABLED */
-
-#ifdef HAL_GPIO_MODULE_ENABLED
-#include "stm32u0xx_hal_gpio.h"
-#endif /* HAL_GPIO_MODULE_ENABLED */
-
-#ifdef HAL_DMA_MODULE_ENABLED
-#include "stm32u0xx_hal_dma.h"
-#endif /* HAL_DMA_MODULE_ENABLED */
-
-#ifdef HAL_CORTEX_MODULE_ENABLED
-#include "stm32u0xx_hal_cortex.h"
-#endif /* HAL_CORTEX_MODULE_ENABLED */
-
-#ifdef HAL_ADC_MODULE_ENABLED
-#include "stm32u0xx_hal_adc.h"
-#include "stm32u0xx_hal_adc_ex.h"
-#endif /* HAL_ADC_MODULE_ENABLED */
-
-#ifdef HAL_COMP_MODULE_ENABLED
-#include "stm32u0xx_hal_comp.h"
-#endif /* HAL_COMP_MODULE_ENABLED */
-
-#ifdef HAL_CRC_MODULE_ENABLED
-#include "stm32u0xx_hal_crc.h"
-#endif /* HAL_CRC_MODULE_ENABLED */
-
-#ifdef HAL_CRS_MODULE_ENABLED
-#include "stm32u0xx_ll_crs.h"
-#endif /* HAL_CRS_MODULE_ENABLED */
-
-#ifdef HAL_CRYP_MODULE_ENABLED
-#include "stm32u0xx_hal_cryp.h"
-#endif /* HAL_CRYP_MODULE_ENABLED */
-
-#ifdef HAL_DAC_MODULE_ENABLED
-#include "stm32u0xx_hal_dac.h"
-#endif /* HAL_DAC_MODULE_ENABLED */
-
-#ifdef HAL_EXTI_MODULE_ENABLED
-#include "stm32u0xx_hal_exti.h"
-#endif /* HAL_EXTI_MODULE_ENABLED */
-
-#ifdef HAL_FLASH_MODULE_ENABLED
-#include "stm32u0xx_hal_flash.h"
-#endif /* HAL_FLASH_MODULE_ENABLED */
-
-#ifdef HAL_I2C_MODULE_ENABLED
-#include "stm32u0xx_hal_i2c.h"
-#endif /* HAL_I2C_MODULE_ENABLED */
-
-#ifdef HAL_IWDG_MODULE_ENABLED
-#include "stm32u0xx_hal_iwdg.h"
-#endif /* HAL_IWDG_MODULE_ENABLED */
-
-#ifdef HAL_LPTIM_MODULE_ENABLED
-#include "stm32u0xx_hal_lptim.h"
-#endif /* HAL_LPTIM_MODULE_ENABLED */
-
-#ifdef HAL_LCD_MODULE_ENABLED
-#include "stm32u0xx_hal_lcd.h"
-#endif /* HAL_LTDC_MODULE_ENABLED */
-
-#ifdef HAL_OPAMP_MODULE_ENABLED
-#include "stm32u0xx_hal_opamp.h"
-#endif /* HAL_OPAMP_MODULE_ENABLED */
-
-#ifdef HAL_PWR_MODULE_ENABLED
-#include "stm32u0xx_hal_pwr.h"
-#endif /* HAL_PWR_MODULE_ENABLED */
-
-#ifdef HAL_RNG_MODULE_ENABLED
-#include "stm32u0xx_hal_rng.h"
-#endif /* HAL_RNG_MODULE_ENABLED */
-
-#ifdef HAL_RTC_MODULE_ENABLED
-#include "stm32u0xx_hal_rtc.h"
-#endif /* HAL_RTC_MODULE_ENABLED */
-
-#ifdef HAL_SPI_MODULE_ENABLED
-#include "stm32u0xx_hal_spi.h"
-#endif /* HAL_SPI_MODULE_ENABLED */
-
-#ifdef HAL_TIM_MODULE_ENABLED
-#include "stm32u0xx_hal_tim.h"
-#endif /* HAL_TIM_MODULE_ENABLED */
-
-#ifdef HAL_TSC_MODULE_ENABLED
-#include "stm32u0xx_ll_system.h"
-#include "stm32u0xx_hal_tsc.h"
-#endif /* HAL_TSC_MODULE_ENABLED */
-
-#ifdef HAL_UART_MODULE_ENABLED
-#include "stm32u0xx_hal_uart.h"
-#endif /* HAL_UART_MODULE_ENABLED */
-
-#ifdef HAL_USART_MODULE_ENABLED
-#include "stm32u0xx_hal_usart.h"
-#endif /* HAL_USART_MODULE_ENABLED */
-
-#ifdef HAL_IRDA_MODULE_ENABLED
-#include "stm32u0xx_hal_irda.h"
-#endif /* HAL_IRDA_MODULE_ENABLED */
-
-#ifdef HAL_SMARTCARD_MODULE_ENABLED
-#include "stm32u0xx_hal_smartcard.h"
-#endif /* HAL_SMARTCARD_MODULE_ENABLED */
-
-#ifdef HAL_WWDG_MODULE_ENABLED
-#include "stm32u0xx_hal_wwdg.h"
-#endif /* HAL_WWDG_MODULE_ENABLED */
-
-#ifdef HAL_LCD_MODULE_ENABLED
-#include "stm32u0xx_hal_lcd.h"
-#endif /* HAL_LCD_MODULE_ENABLED */
-
-#ifdef HAL_PCD_MODULE_ENABLED
-#include "stm32u0xx_hal_pcd.h"
-#endif /* HAL_PCD_MODULE_ENABLED */
-
-/* Exported macro ------------------------------------------------------------*/
-#ifdef USE_FULL_ASSERT
-/**
- * @brief The assert_param macro is used for function's parameters check.
- * @param expr: If expr is false, it calls assert_failed function
- * which reports the name of the source file and the source
- * line number of the call that failed.
- * If expr is true, it returns no value.
- * @retval None
- */
- #define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
-/* Exported functions ------------------------------------------------------- */
- void assert_failed(uint8_t *file, uint32_t line);
-#else
- #define assert_param(expr) ((void)0U)
-#endif /* USE_FULL_ASSERT */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __STM32U0xx_HAL_CONF_H */
-
diff --git a/Core/Src/main.c b/Core/Src/main.c index ed49703..3aec32e 100644 --- a/Core/Src/main.c +++ b/Core/Src/main.c @@ -22,7 +22,7 @@ /* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <stdio.h>
-#include <qfplib-port.h>
+#include <math.h>
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
@@ -46,7 +46,6 @@ typedef uint32_t sample_t; /* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
-
SPI_HandleTypeDef hspi1;
DMA_HandleTypeDef hdma_spi1_rx;
DMA_HandleTypeDef hdma_spi1_tx;
@@ -62,7 +61,7 @@ static uint8_t I2S_Receive_Buffer[SAMPLE_COUNT * 2 * sizeof(sample_t)]; float ln10;
float MIC_REF_AMPL;
-static int64_t DB_Sum_Squares = 0.f;
+static float DB_Sum_Squares = 0.f;
static int DB_Count = 0;
/* USER CODE END PV */
@@ -97,9 +96,9 @@ int __io_putchar(int ch) __RAM_FUNC
void fvar_init(void)
{
- ln10 = qfp_fln(10.f);
- MIC_REF_AMPL = qfp_fmul(qfp_int2float((1u << (MIC_BITS - 2)) - 1),
- qfp_fpow(10.f, MIC_SENSITIVITY / 20.f));
+ ln10 = logf(10.f);
+ MIC_REF_AMPL = (float)((1u << (MIC_BITS - 2)) - 1) *
+ powf(10.f, MIC_SENSITIVITY / 20.f);
}
/* USER CODE END 0 */
@@ -168,16 +167,25 @@ void SystemClock_Config(void) /** Configure the main internal regulator output voltage
*/
- HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
+ if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE2) != HAL_OK)
+ {
+ Error_Handler();
+ }
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
- RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
- RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_9;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+ RCC_OscInitStruct.MSICalibrationValue = 0;
+ RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
+ RCC_OscInitStruct.PLL.PLLM = 1;
+ RCC_OscInitStruct.PLL.PLLN = 12;
+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
+ RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
+ RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV8;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
@@ -186,10 +194,11 @@ void SystemClock_Config(void) /** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
- |RCC_CLOCKTYPE_PCLK1;
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
+ |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
{
@@ -259,26 +268,13 @@ static void MX_USART2_UART_Init(void) huart2.Init.Parity = UART_PARITY_NONE;
huart2.Init.Mode = UART_MODE_TX_RX;
huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
- huart2.Init.OverSampling = UART_OVERSAMPLING_8;
+ huart2.Init.OverSampling = UART_OVERSAMPLING_16;
huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
- huart2.Init.ClockPrescaler = UART_PRESCALER_DIV1;
huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
if (HAL_UART_Init(&huart2) != HAL_OK)
{
Error_Handler();
}
- if (HAL_UARTEx_SetTxFifoThreshold(&huart2, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
- {
- Error_Handler();
- }
- if (HAL_UARTEx_SetRxFifoThreshold(&huart2, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
- {
- Error_Handler();
- }
- if (HAL_UARTEx_DisableFifoMode(&huart2) != HAL_OK)
- {
- Error_Handler();
- }
/* USER CODE BEGIN USART2_Init 2 */
/* USER CODE END USART2_Init 2 */
@@ -295,12 +291,12 @@ static void MX_DMA_Init(void) __HAL_RCC_DMA1_CLK_ENABLE();
/* DMA interrupt init */
- /* DMA1_Channel1_IRQn interrupt configuration */
- HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0);
- HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
- /* DMA1_Channel2_3_IRQn interrupt configuration */
- HAL_NVIC_SetPriority(DMA1_Channel2_3_IRQn, 0, 0);
- HAL_NVIC_EnableIRQ(DMA1_Channel2_3_IRQn);
+ /* DMA1_Channel2_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(DMA1_Channel2_IRQn, 0, 0);
+ HAL_NVIC_EnableIRQ(DMA1_Channel2_IRQn);
+ /* DMA1_Channel3_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(DMA1_Channel3_IRQn, 0, 0);
+ HAL_NVIC_EnableIRQ(DMA1_Channel3_IRQn);
}
@@ -317,55 +313,56 @@ static void MX_GPIO_Init(void) /* GPIO Ports Clock Enable */
__HAL_RCC_GPIOC_CLK_ENABLE();
+ __HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
- /*Configure GPIO pin Output Level */
- HAL_GPIO_WritePin(LED_GREEN_GPIO_Port, LED_GREEN_Pin, GPIO_PIN_RESET);
-
- /*Configure GPIO pin Output Level */
- HAL_GPIO_WritePin(LED_BLUE_GPIO_Port, LED_BLUE_Pin, GPIO_PIN_RESET);
-
- /*Configure GPIO pin Output Level */
- HAL_GPIO_WritePin(LED_RED_GPIO_Port, LED_RED_Pin, GPIO_PIN_RESET);
-
- /*Configure GPIO pin Output Level */
- HAL_GPIO_WritePin(IDLE_GPIO_Port, IDLE_Pin, GPIO_PIN_SET);
-
- /*Configure GPIO pin : LED_GREEN_Pin */
- GPIO_InitStruct.Pin = LED_GREEN_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ /*Configure GPIO pins : PC13 PC14 PC15 PC0
+ PC1 PC2 PC3 PC4
+ PC5 PC6 PC7 PC8
+ PC9 PC10 PC11 PC12 */
+ GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15|GPIO_PIN_0
+ |GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4
+ |GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8
+ |GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12;
+ GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
- HAL_GPIO_Init(LED_GREEN_GPIO_Port, &GPIO_InitStruct);
+ HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
- /*Configure GPIO pin : Joystick_Pin */
- GPIO_InitStruct.Pin = Joystick_Pin;
+ /*Configure GPIO pins : PH0 PH1 */
+ GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
- HAL_GPIO_Init(Joystick_GPIO_Port, &GPIO_InitStruct);
-
- /*Configure GPIO pin : LED_BLUE_Pin */
- GPIO_InitStruct.Pin = LED_BLUE_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
+
+ /*Configure GPIO pins : PA0 PA1 PA4 PA5
+ PA6 PA7 PA8 PA9
+ PA10 PA11 PA12 PA15 */
+ GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5
+ |GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9
+ |GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_15;
+ GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
- HAL_GPIO_Init(LED_BLUE_GPIO_Port, &GPIO_InitStruct);
-
- /*Configure GPIO pin : LED_RED_Pin */
- GPIO_InitStruct.Pin = LED_RED_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ /*Configure GPIO pins : PB0 PB1 PB2 PB10
+ PB11 PB12 PB13 PB14
+ PB15 PB6 PB7 PB8
+ PB9 */
+ GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_10
+ |GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
+ |GPIO_PIN_15|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8
+ |GPIO_PIN_9;
+ GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
- HAL_GPIO_Init(LED_RED_GPIO_Port, &GPIO_InitStruct);
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
- /*Configure GPIO pin : IDLE_Pin */
- GPIO_InitStruct.Pin = IDLE_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ /*Configure GPIO pin : PD2 */
+ GPIO_InitStruct.Pin = GPIO_PIN_2;
+ GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
- HAL_GPIO_Init(IDLE_GPIO_Port, &GPIO_InitStruct);
+ HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/* USER CODE BEGIN MX_GPIO_Init_2 */
/* USER CODE END MX_GPIO_Init_2 */
@@ -449,67 +446,28 @@ error : return errorcode;
}
-#define BITO (10)
-
-__RAM_FUNC
-__attribute__((naked))
-int64_t lmul(int64_t a, int64_t b)
-{
- asm(
-" push {r4, lr}\n"
-" mul r1, r2\n"
-" mul r3, r0\n"
-" add r1, r3\n"
-
-" lsr r3, r0, #16\n"
-" lsr r4, r2, #16\n"
-" mul r3, r4\n"
-" add r1, r3\n"
-
-" lsr r3, r0, #16\n"
-" uxth r0, r0\n"
-" uxth r2, r2\n"
-" mul r3, r2\n"
-" mul r4, r0\n"
-" mul r0, r2\n"
-
-" mov r2, #0\n"
-" add r3, r4\n"
-" adc r2, r2\n"
-" lsl r2, #16\n"
-" add r1, r2\n"
-
-" lsl r2, r3, #16\n"
-" lsr r3, #16\n"
-" add r0, r2\n"
-" adc r1, r3\n"
-" pop {r4, pc}\n"
- );
-}
-
__RAM_FUNC
-static inline void process(int64_t in_div4)
+static inline void process(float in_div4)
{
- static int64_t z[4] = {0, 0, 0, 0};
+ static float z[4] = {0.f, 0.f, 0.f, 0.f};
- in_div4 <<= BITO;
- int64_t out1 = (in_div4 + z[0]);
- z[0] = ((out1 * 0x43f /*1.062f*/) >> BITO) + z[1];
- z[1] = ((out1 * -0x8f /*-0.14f*/) >> BITO) - in_div4;
+ float out1 = in_div4 + z[0];
+ z[0] = out1 * 1.062f + z[1];
+ z[1] = out1 * -0.14f - in_div4;
- int64_t out2 = (out1 + z[2]);
+ float out2 = out1 + z[2];
z[2] = out1;
- int64_t out3 = (out2 + z[3]);
- z[3] = ((out3 * 0x3f1 /*0.985f*/) >> BITO) - out2;
+ float out3 = out2 + z[3];
+ z[3] = out3 * 0.985f - out2;
- DB_Sum_Squares += lmul(out3, out3) >> BITO;
+ DB_Sum_Squares += out3 * out3;
}
__RAM_FUNC
static void processSampleBlock(sample_t *sample)
{
- IDLE_GPIO_Port->ODR ^= IDLE_Pin;
+ //IDLE_GPIO_Port->ODR ^= IDLE_Pin;
for (int i = 0; i < SAMPLE_COUNT; i += 2) {
// 18-bit sample comes in as big-endian with right padding.
@@ -521,16 +479,15 @@ static void processSampleBlock(sample_t *sample) DB_Count += SAMPLE_COUNT / 2;
if (DB_Count >= SAMPLES_PER_REPORT) {
- float rms = qfp_fsqrt(qfp_int2float((DB_Sum_Squares >> BITO) / DB_Count));
- float db = qfp_fadd(qfp_fmul(qfp_flog10(qfp_fdiv(rms, MIC_REF_AMPL)), 20.f),
- MIC_OFFSET_DB + MIC_REF_DB);
+ float rms = sqrtf(DB_Sum_Squares / DB_Count);
+ float db = 20.f * log10f(rms / MIC_REF_AMPL) + MIC_OFFSET_DB + MIC_REF_DB;
DB_Sum_Squares = 0.f;
DB_Count = 0;
- printf("%d dB\r\n", qfp_float2int(db));
+ printf("%d dB\r\n", (int)db);
}
- IDLE_GPIO_Port->ODR ^= IDLE_Pin;
+ //IDLE_GPIO_Port->ODR ^= IDLE_Pin;
}
void SPI_DMATransmitReceiveCplt(DMA_HandleTypeDef *hdma)
diff --git a/Core/Src/stm32u0xx_hal_msp.c b/Core/Src/stm32l4xx_hal_msp.c index 4eb7deb..18e8512 100644 --- a/Core/Src/stm32u0xx_hal_msp.c +++ b/Core/Src/stm32l4xx_hal_msp.c @@ -1,7 +1,7 @@ /* USER CODE BEGIN Header */
/**
******************************************************************************
- * @file stm32u0xx_hal_msp.c
+ * @file stm32l4xx_hal_msp.c
* @brief This file provides code for the MSP Initialization
* and de-Initialization codes.
******************************************************************************
@@ -70,8 +70,8 @@ void HAL_MspInit(void) /* USER CODE END MspInit 0 */
- __HAL_RCC_PWR_CLK_ENABLE();
__HAL_RCC_SYSCFG_CLK_ENABLE();
+ __HAL_RCC_PWR_CLK_ENABLE();
/* System interrupt init*/
@@ -97,23 +97,23 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi) /* Peripheral clock enable */
__HAL_RCC_SPI1_CLK_ENABLE();
- __HAL_RCC_GPIOA_CLK_ENABLE();
+ __HAL_RCC_GPIOB_CLK_ENABLE();
/**SPI1 GPIO Configuration
- PA1 ------> SPI1_SCK
- PA6 ------> SPI1_MISO
- PA7 ------> SPI1_MOSI
+ PB3 (JTDO-TRACESWO) ------> SPI1_SCK
+ PB4 (NJTRST) ------> SPI1_MISO
+ PB5 ------> SPI1_MOSI
*/
- GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_6|GPIO_PIN_7;
+ GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
- HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* SPI1 DMA Init */
/* SPI1_RX Init */
- hdma_spi1_rx.Instance = DMA1_Channel1;
- hdma_spi1_rx.Init.Request = DMA_REQUEST_SPI1_RX;
+ hdma_spi1_rx.Instance = DMA1_Channel2;
+ hdma_spi1_rx.Init.Request = DMA_REQUEST_1;
hdma_spi1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_spi1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_spi1_rx.Init.MemInc = DMA_MINC_ENABLE;
@@ -129,8 +129,8 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi) __HAL_LINKDMA(hspi,hdmarx,hdma_spi1_rx);
/* SPI1_TX Init */
- hdma_spi1_tx.Instance = DMA1_Channel2;
- hdma_spi1_tx.Init.Request = DMA_REQUEST_SPI1_TX;
+ hdma_spi1_tx.Instance = DMA1_Channel3;
+ hdma_spi1_tx.Init.Request = DMA_REQUEST_1;
hdma_spi1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_spi1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_spi1_tx.Init.MemInc = DMA_MINC_ENABLE;
@@ -170,11 +170,11 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi) __HAL_RCC_SPI1_CLK_DISABLE();
/**SPI1 GPIO Configuration
- PA1 ------> SPI1_SCK
- PA6 ------> SPI1_MISO
- PA7 ------> SPI1_MOSI
+ PB3 (JTDO-TRACESWO) ------> SPI1_SCK
+ PB4 (NJTRST) ------> SPI1_MISO
+ PB5 ------> SPI1_MOSI
*/
- HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1|GPIO_PIN_6|GPIO_PIN_7);
+ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5);
/* SPI1 DMA DeInit */
HAL_DMA_DeInit(hspi->hdmarx);
@@ -202,7 +202,7 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart) /* USER CODE END USART2_MspInit 0 */
- /** Initializes the peripherals clocks
+ /** Initializes the peripherals clock
*/
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
@@ -219,10 +219,10 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart) PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
- GPIO_InitStruct.Pin = VCP_TX_Pin|VCP_RX_Pin;
+ GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
@@ -254,7 +254,7 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart) PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
- HAL_GPIO_DeInit(GPIOA, VCP_TX_Pin|VCP_RX_Pin);
+ HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);
/* USER CODE BEGIN USART2_MspDeInit 1 */
diff --git a/Core/Src/stm32u0xx_it.c b/Core/Src/stm32l4xx_it.c index 78ec492..8905566 100644 --- a/Core/Src/stm32u0xx_it.c +++ b/Core/Src/stm32l4xx_it.c @@ -1,7 +1,7 @@ /* USER CODE BEGIN Header */
/**
******************************************************************************
- * @file stm32u0xx_it.c
+ * @file stm32l4xx_it.c
* @brief Interrupt Service Routines.
******************************************************************************
* @attention
@@ -19,7 +19,7 @@ /* Includes ------------------------------------------------------------------*/
#include "main.h"
-#include "stm32u0xx_it.h"
+#include "stm32l4xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
@@ -62,7 +62,7 @@ extern DMA_HandleTypeDef hdma_spi1_tx; /* USER CODE END EV */
/******************************************************************************/
-/* Cortex Processor Interruption and Exception Handlers */
+/* Cortex-M4 Processor Interruption and Exception Handlers */
/******************************************************************************/
/**
* @brief This function handles Non maskable interrupt.
@@ -95,7 +95,52 @@ void HardFault_Handler(void) }
/**
- * @brief This function handles System service call via SVC instruction.
+ * @brief This function handles Memory management fault.
+ */
+void MemManage_Handler(void)
+{
+ /* USER CODE BEGIN MemoryManagement_IRQn 0 */
+
+ /* USER CODE END MemoryManagement_IRQn 0 */
+ while (1)
+ {
+ /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
+ /* USER CODE END W1_MemoryManagement_IRQn 0 */
+ }
+}
+
+/**
+ * @brief This function handles Prefetch fault, memory access fault.
+ */
+void BusFault_Handler(void)
+{
+ /* USER CODE BEGIN BusFault_IRQn 0 */
+
+ /* USER CODE END BusFault_IRQn 0 */
+ while (1)
+ {
+ /* USER CODE BEGIN W1_BusFault_IRQn 0 */
+ /* USER CODE END W1_BusFault_IRQn 0 */
+ }
+}
+
+/**
+ * @brief This function handles Undefined instruction or illegal state.
+ */
+void UsageFault_Handler(void)
+{
+ /* USER CODE BEGIN UsageFault_IRQn 0 */
+
+ /* USER CODE END UsageFault_IRQn 0 */
+ while (1)
+ {
+ /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
+ /* USER CODE END W1_UsageFault_IRQn 0 */
+ }
+}
+
+/**
+ * @brief This function handles System service call via SWI instruction.
*/
void SVC_Handler(void)
{
@@ -108,6 +153,19 @@ void SVC_Handler(void) }
/**
+ * @brief This function handles Debug monitor.
+ */
+void DebugMon_Handler(void)
+{
+ /* USER CODE BEGIN DebugMonitor_IRQn 0 */
+
+ /* USER CODE END DebugMonitor_IRQn 0 */
+ /* USER CODE BEGIN DebugMonitor_IRQn 1 */
+
+ /* USER CODE END DebugMonitor_IRQn 1 */
+}
+
+/**
* @brief This function handles Pendable request for system service.
*/
void PendSV_Handler(void)
@@ -135,38 +193,38 @@ void SysTick_Handler(void) }
/******************************************************************************/
-/* STM32U0xx Peripheral Interrupt Handlers */
+/* STM32L4xx Peripheral Interrupt Handlers */
/* Add here the Interrupt Handlers for the used peripherals. */
/* For the available peripheral interrupt handler names, */
-/* please refer to the startup file (startup_stm32u0xx.s). */
+/* please refer to the startup file (startup_stm32l4xx.s). */
/******************************************************************************/
/**
- * @brief This function handles DMA1 channel 1 interrupt.
+ * @brief This function handles DMA1 channel2 global interrupt.
*/
-void DMA1_Channel1_IRQHandler(void)
+void DMA1_Channel2_IRQHandler(void)
{
- /* USER CODE BEGIN DMA1_Channel1_IRQn 0 */
+ /* USER CODE BEGIN DMA1_Channel2_IRQn 0 */
- /* USER CODE END DMA1_Channel1_IRQn 0 */
+ /* USER CODE END DMA1_Channel2_IRQn 0 */
HAL_DMA_IRQHandler(&hdma_spi1_rx);
- /* USER CODE BEGIN DMA1_Channel1_IRQn 1 */
+ /* USER CODE BEGIN DMA1_Channel2_IRQn 1 */
- /* USER CODE END DMA1_Channel1_IRQn 1 */
+ /* USER CODE END DMA1_Channel2_IRQn 1 */
}
/**
- * @brief This function handles DMA1 channel 2 and channel 3 interrupts.
+ * @brief This function handles DMA1 channel3 global interrupt.
*/
-void DMA1_Channel2_3_IRQHandler(void)
+void DMA1_Channel3_IRQHandler(void)
{
- /* USER CODE BEGIN DMA1_Channel2_3_IRQn 0 */
+ /* USER CODE BEGIN DMA1_Channel3_IRQn 0 */
- /* USER CODE END DMA1_Channel2_3_IRQn 0 */
+ /* USER CODE END DMA1_Channel3_IRQn 0 */
HAL_DMA_IRQHandler(&hdma_spi1_tx);
- /* USER CODE BEGIN DMA1_Channel2_3_IRQn 1 */
+ /* USER CODE BEGIN DMA1_Channel3_IRQn 1 */
- /* USER CODE END DMA1_Channel2_3_IRQn 1 */
+ /* USER CODE END DMA1_Channel3_IRQn 1 */
}
/* USER CODE BEGIN 1 */
diff --git a/Core/Src/system_stm32l4xx.c b/Core/Src/system_stm32l4xx.c new file mode 100644 index 0000000..be9cfee --- /dev/null +++ b/Core/Src/system_stm32l4xx.c @@ -0,0 +1,332 @@ +/** + ****************************************************************************** + * @file system_stm32l4xx.c + * @author MCD Application Team + * @brief CMSIS Cortex-M4 Device Peripheral Access Layer System Source File + * + * This file provides two functions and one global variable to be called from + * user application: + * - SystemInit(): This function is called at startup just after reset and + * before branch to main program. This call is made inside + * the "startup_stm32l4xx.s" file. + * + * - SystemCoreClock variable: Contains the core clock (HCLK), it can be used + * by the user application to setup the SysTick + * timer or configure other parameters. + * + * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must + * be called whenever the core clock is changed + * during program execution. + * + * After each device reset the MSI (4 MHz) is used as system clock source. + * Then SystemInit() function is called, in "startup_stm32l4xx.s" file, to + * configure the system clock before to branch to main program. + * + * This file configures the system clock as follows: + *============================================================================= + *----------------------------------------------------------------------------- + * System Clock source | MSI + *----------------------------------------------------------------------------- + * SYSCLK(Hz) | 4000000 + *----------------------------------------------------------------------------- + * HCLK(Hz) | 4000000 + *----------------------------------------------------------------------------- + * AHB Prescaler | 1 + *----------------------------------------------------------------------------- + * APB1 Prescaler | 1 + *----------------------------------------------------------------------------- + * APB2 Prescaler | 1 + *----------------------------------------------------------------------------- + * PLL_M | 1 + *----------------------------------------------------------------------------- + * PLL_N | 8 + *----------------------------------------------------------------------------- + * PLL_P | 7 + *----------------------------------------------------------------------------- + * PLL_Q | 2 + *----------------------------------------------------------------------------- + * PLL_R | 2 + *----------------------------------------------------------------------------- + * PLLSAI1_P | NA + *----------------------------------------------------------------------------- + * PLLSAI1_Q | NA + *----------------------------------------------------------------------------- + * PLLSAI1_R | NA + *----------------------------------------------------------------------------- + * PLLSAI2_P | NA + *----------------------------------------------------------------------------- + * PLLSAI2_Q | NA + *----------------------------------------------------------------------------- + * PLLSAI2_R | NA + *----------------------------------------------------------------------------- + * Require 48MHz for USB OTG FS, | Disabled + * SDIO and RNG clock | + *----------------------------------------------------------------------------- + *============================================================================= + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32l4xx_system + * @{ + */ + +/** @addtogroup STM32L4xx_System_Private_Includes + * @{ + */ + +#include "stm32l4xx.h" + +/** + * @} + */ + +/** @addtogroup STM32L4xx_System_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32L4xx_System_Private_Defines + * @{ + */ + +#if !defined (HSE_VALUE) + #define HSE_VALUE 8000000U /*!< Value of the External oscillator in Hz */ +#endif /* HSE_VALUE */ + +#if !defined (MSI_VALUE) + #define MSI_VALUE 4000000U /*!< Value of the Internal oscillator in Hz*/ +#endif /* MSI_VALUE */ + +#if !defined (HSI_VALUE) + #define HSI_VALUE 16000000U /*!< Value of the Internal oscillator in Hz*/ +#endif /* HSI_VALUE */ + +/* Note: Following vector table addresses must be defined in line with linker + configuration. */ +/*!< Uncomment the following line if you need to relocate the vector table + anywhere in Flash or Sram, else the vector table is kept at the automatic + remap of boot address selected */ +/* #define USER_VECT_TAB_ADDRESS */ + +#if defined(USER_VECT_TAB_ADDRESS) +/*!< Uncomment the following line if you need to relocate your vector Table + in Sram else user remap will be done in Flash. */ +/* #define VECT_TAB_SRAM */ + +#if defined(VECT_TAB_SRAM) +#define VECT_TAB_BASE_ADDRESS SRAM1_BASE /*!< Vector Table base address field. + This value must be a multiple of 0x200. */ +#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field. + This value must be a multiple of 0x200. */ +#else +#define VECT_TAB_BASE_ADDRESS FLASH_BASE /*!< Vector Table base address field. + This value must be a multiple of 0x200. */ +#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field. + This value must be a multiple of 0x200. */ +#endif /* VECT_TAB_SRAM */ +#endif /* USER_VECT_TAB_ADDRESS */ + +/******************************************************************************/ +/** + * @} + */ + +/** @addtogroup STM32L4xx_System_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32L4xx_System_Private_Variables + * @{ + */ + /* The SystemCoreClock variable is updated in three ways: + 1) by calling CMSIS function SystemCoreClockUpdate() + 2) by calling HAL API function HAL_RCC_GetHCLKFreq() + 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency + Note: If you use this function to configure the system clock; then there + is no need to call the 2 first functions listed above, since SystemCoreClock + variable is updated automatically. + */ + uint32_t SystemCoreClock = 4000000U; + + const uint8_t AHBPrescTable[16] = {0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 1U, 2U, 3U, 4U, 6U, 7U, 8U, 9U}; + const uint8_t APBPrescTable[8] = {0U, 0U, 0U, 0U, 1U, 2U, 3U, 4U}; + const uint32_t MSIRangeTable[12] = {100000U, 200000U, 400000U, 800000U, 1000000U, 2000000U, \ + 4000000U, 8000000U, 16000000U, 24000000U, 32000000U, 48000000U}; +/** + * @} + */ + +/** @addtogroup STM32L4xx_System_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32L4xx_System_Private_Functions + * @{ + */ + +/** + * @brief Setup the microcontroller system. + * @retval None + */ + +void SystemInit(void) +{ +#if defined(USER_VECT_TAB_ADDRESS) + /* Configure the Vector Table location -------------------------------------*/ + SCB->VTOR = VECT_TAB_BASE_ADDRESS | VECT_TAB_OFFSET; +#endif + + /* FPU settings ------------------------------------------------------------*/ +#if (__FPU_PRESENT == 1) && (__FPU_USED == 1) + SCB->CPACR |= ((3UL << 20U)|(3UL << 22U)); /* set CP10 and CP11 Full Access */ +#endif +} + +/** + * @brief Update SystemCoreClock variable according to Clock Register Values. + * The SystemCoreClock variable contains the core clock (HCLK), it can + * be used by the user application to setup the SysTick timer or configure + * other parameters. + * + * @note Each time the core clock (HCLK) changes, this function must be called + * to update SystemCoreClock variable value. Otherwise, any configuration + * based on this variable will be incorrect. + * + * @note - The system frequency computed by this function is not the real + * frequency in the chip. It is calculated based on the predefined + * constant and the selected clock source: + * + * - If SYSCLK source is MSI, SystemCoreClock will contain the MSI_VALUE(*) + * + * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(**) + * + * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(***) + * + * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(***) + * or HSI_VALUE(*) or MSI_VALUE(*) multiplied/divided by the PLL factors. + * + * (*) MSI_VALUE is a constant defined in stm32l4xx_hal.h file (default value + * 4 MHz) but the real value may vary depending on the variations + * in voltage and temperature. + * + * (**) HSI_VALUE is a constant defined in stm32l4xx_hal.h file (default value + * 16 MHz) but the real value may vary depending on the variations + * in voltage and temperature. + * + * (***) HSE_VALUE is a constant defined in stm32l4xx_hal.h file (default value + * 8 MHz), user has to ensure that HSE_VALUE is same as the real + * frequency of the crystal used. Otherwise, this function may + * have wrong result. + * + * - The result of this function could be not correct when using fractional + * value for HSE crystal. + * + * @retval None + */ +void SystemCoreClockUpdate(void) +{ + uint32_t tmp, msirange, pllvco, pllsource, pllm, pllr; + + /* Get MSI Range frequency--------------------------------------------------*/ + if ((RCC->CR & RCC_CR_MSIRGSEL) == 0U) + { /* MSISRANGE from RCC_CSR applies */ + msirange = (RCC->CSR & RCC_CSR_MSISRANGE) >> 8U; + } + else + { /* MSIRANGE from RCC_CR applies */ + msirange = (RCC->CR & RCC_CR_MSIRANGE) >> 4U; + } + /*MSI frequency range in HZ*/ + msirange = MSIRangeTable[msirange]; + + /* Get SYSCLK source -------------------------------------------------------*/ + switch (RCC->CFGR & RCC_CFGR_SWS) + { + case 0x00: /* MSI used as system clock source */ + SystemCoreClock = msirange; + break; + + case 0x04: /* HSI used as system clock source */ + SystemCoreClock = HSI_VALUE; + break; + + case 0x08: /* HSE used as system clock source */ + SystemCoreClock = HSE_VALUE; + break; + + case 0x0C: /* PLL used as system clock source */ + /* PLL_VCO = (HSE_VALUE or HSI_VALUE or MSI_VALUE/ PLLM) * PLLN + SYSCLK = PLL_VCO / PLLR + */ + pllsource = (RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC); + pllm = ((RCC->PLLCFGR & RCC_PLLCFGR_PLLM) >> 4U) + 1U ; + + switch (pllsource) + { + case 0x02: /* HSI used as PLL clock source */ + pllvco = (HSI_VALUE / pllm); + break; + + case 0x03: /* HSE used as PLL clock source */ + pllvco = (HSE_VALUE / pllm); + break; + + default: /* MSI used as PLL clock source */ + pllvco = (msirange / pllm); + break; + } + pllvco = pllvco * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 8U); + pllr = (((RCC->PLLCFGR & RCC_PLLCFGR_PLLR) >> 25U) + 1U) * 2U; + SystemCoreClock = pllvco/pllr; + break; + + default: + SystemCoreClock = msirange; + break; + } + /* Compute HCLK clock frequency --------------------------------------------*/ + /* Get HCLK prescaler */ + tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4U)]; + /* HCLK clock frequency */ + SystemCoreClock >>= tmp; +} + + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |