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u0-decibels
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reduce clocks

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main
Clyne 3 weeks ago
parent ea84e2a1a4
commit e9f471c4e0
Signed by: clyne
GPG Key ID: 3267C8EBF3F9AFC7
5 changed files with 54 additions and 42 deletions
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2
Core/Inc/stm32u0xx_hal_conf.h
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@ -144,7 +144,7 @@
* @brief This is the HAL system configuration section * @brief This is the HAL system configuration section
*/ */
#define VDD_VALUE 3300U /*!< Value of VDD in mv */ #define VDD_VALUE 1710U /*!< Value of VDD in mv */
#define TICK_INT_PRIORITY (3U) /*!< tick interrupt priority (lowest by default) */ #define TICK_INT_PRIORITY (3U) /*!< tick interrupt priority (lowest by default) */
#define USE_RTOS 0U #define USE_RTOS 0U
#define PREFETCH_ENABLE 0U #define PREFETCH_ENABLE 0U

15
Core/Src/main.c
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@ -142,9 +142,10 @@ int main(void)
/* USER CODE BEGIN WHILE */ /* USER CODE BEGIN WHILE */
while (1) while (1)
{ {
/* USER CODE END WHILE */
HAL_GPIO_WritePin(IDLE_GPIO_Port, IDLE_Pin, GPIO_PIN_SET); HAL_GPIO_WritePin(IDLE_GPIO_Port, IDLE_Pin, GPIO_PIN_SET);
__WFI(); __WFI();
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */ /* USER CODE BEGIN 3 */
} }
/* USER CODE END 3 */ /* USER CODE END 3 */
@ -161,7 +162,7 @@ void SystemClock_Config(void)
/** Configure the main internal regulator output voltage /** Configure the main internal regulator output voltage
*/ */
HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1); HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE2);
/** Initializes the RCC Oscillators according to the specified parameters /** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure. * in the RCC_OscInitTypeDef structure.
@ -181,10 +182,10 @@ void SystemClock_Config(void)
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1; |RCC_CLOCKTYPE_PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV2;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK) if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
{ {
Error_Handler(); Error_Handler();
} }
@ -213,7 +214,7 @@ static void MX_SPI1_Init(void)
hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
hspi1.Init.CLKPhase = SPI_PHASE_1EDGE; hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
hspi1.Init.NSS = SPI_NSS_SOFT; hspi1.Init.NSS = SPI_NSS_SOFT;
hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8; hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi1.Init.TIMode = SPI_TIMODE_DISABLE; hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
@ -252,7 +253,7 @@ static void MX_USART2_UART_Init(void)
huart2.Init.Parity = UART_PARITY_NONE; huart2.Init.Parity = UART_PARITY_NONE;
huart2.Init.Mode = UART_MODE_TX_RX; huart2.Init.Mode = UART_MODE_TX_RX;
huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart2.Init.OverSampling = UART_OVERSAMPLING_16; huart2.Init.OverSampling = UART_OVERSAMPLING_8;
huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart2.Init.ClockPrescaler = UART_PRESCALER_DIV1; huart2.Init.ClockPrescaler = UART_PRESCALER_DIV1;
huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;

4
Core/Src/stm32u0xx_hal_msp.c
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@ -120,7 +120,7 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
hdma_spi1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_spi1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_spi1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_spi1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_spi1_rx.Init.Mode = DMA_CIRCULAR; hdma_spi1_rx.Init.Mode = DMA_CIRCULAR;
hdma_spi1_rx.Init.Priority = DMA_PRIORITY_VERY_HIGH; hdma_spi1_rx.Init.Priority = DMA_PRIORITY_MEDIUM;
if (HAL_DMA_Init(&hdma_spi1_rx) != HAL_OK) if (HAL_DMA_Init(&hdma_spi1_rx) != HAL_OK)
{ {
Error_Handler(); Error_Handler();
@ -137,7 +137,7 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
hdma_spi1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_spi1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_spi1_tx.Init.Mode = DMA_CIRCULAR; hdma_spi1_tx.Init.Mode = DMA_CIRCULAR;
hdma_spi1_tx.Init.Priority = DMA_PRIORITY_VERY_HIGH; hdma_spi1_tx.Init.Priority = DMA_PRIORITY_MEDIUM;
if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK) if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK)
{ {
Error_Handler(); Error_Handler();

2
Makefile
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@ -1,5 +1,5 @@
########################################################################################################################## ##########################################################################################################################
# File automatically-generated by tool: [projectgenerator] version: [4.5.0-RC5] date: [Thu Jan 30 16:49:01 EST 2025] # File automatically-generated by tool: [projectgenerator] version: [4.5.0-RC5] date: [Thu Jan 30 17:24:56 EST 2025]
########################################################################################################################## ##########################################################################################################################
# ------------------------------------------------ # ------------------------------------------------

73
microphone.ioc
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@ -14,7 +14,7 @@ Dma.SPI1_RX.0.Mode=DMA_CIRCULAR
Dma.SPI1_RX.0.PeriphDataAlignment=DMA_PDATAALIGN_BYTE Dma.SPI1_RX.0.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
Dma.SPI1_RX.0.PeriphInc=DMA_PINC_DISABLE Dma.SPI1_RX.0.PeriphInc=DMA_PINC_DISABLE
Dma.SPI1_RX.0.Polarity=HAL_DMAMUX_REQ_GEN_RISING Dma.SPI1_RX.0.Polarity=HAL_DMAMUX_REQ_GEN_RISING
Dma.SPI1_RX.0.Priority=DMA_PRIORITY_VERY_HIGH Dma.SPI1_RX.0.Priority=DMA_PRIORITY_MEDIUM
Dma.SPI1_RX.0.RequestNumber=1 Dma.SPI1_RX.0.RequestNumber=1
Dma.SPI1_RX.0.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,SignalID,Polarity,RequestNumber,SyncSignalID,SyncPolarity,SyncEnable,EventEnable,SyncRequestNumber Dma.SPI1_RX.0.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,SignalID,Polarity,RequestNumber,SyncSignalID,SyncPolarity,SyncEnable,EventEnable,SyncRequestNumber
Dma.SPI1_RX.0.SignalID=NONE Dma.SPI1_RX.0.SignalID=NONE
@ -31,7 +31,7 @@ Dma.SPI1_TX.1.Mode=DMA_CIRCULAR
Dma.SPI1_TX.1.PeriphDataAlignment=DMA_PDATAALIGN_BYTE Dma.SPI1_TX.1.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
Dma.SPI1_TX.1.PeriphInc=DMA_PINC_DISABLE Dma.SPI1_TX.1.PeriphInc=DMA_PINC_DISABLE
Dma.SPI1_TX.1.Polarity=HAL_DMAMUX_REQ_GEN_RISING Dma.SPI1_TX.1.Polarity=HAL_DMAMUX_REQ_GEN_RISING
Dma.SPI1_TX.1.Priority=DMA_PRIORITY_VERY_HIGH Dma.SPI1_TX.1.Priority=DMA_PRIORITY_MEDIUM
Dma.SPI1_TX.1.RequestNumber=1 Dma.SPI1_TX.1.RequestNumber=1
Dma.SPI1_TX.1.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,SignalID,Polarity,RequestNumber,SyncSignalID,SyncPolarity,SyncEnable,EventEnable,SyncRequestNumber Dma.SPI1_TX.1.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,SignalID,Polarity,RequestNumber,SyncSignalID,SyncPolarity,SyncEnable,EventEnable,SyncRequestNumber
Dma.SPI1_TX.1.SignalID=NONE Dma.SPI1_TX.1.SignalID=NONE
@ -40,7 +40,7 @@ Dma.SPI1_TX.1.SyncPolarity=HAL_DMAMUX_SYNC_NO_EVENT
Dma.SPI1_TX.1.SyncRequestNumber=1 Dma.SPI1_TX.1.SyncRequestNumber=1
Dma.SPI1_TX.1.SyncSignalID=NONE Dma.SPI1_TX.1.SyncSignalID=NONE
File.Version=6 File.Version=6
GPIO.groupedBy= GPIO.groupedBy=Group By Peripherals
KeepUserPlacement=false KeepUserPlacement=false
Mcu.CPN=STM32U083MCT6 Mcu.CPN=STM32U083MCT6
Mcu.Family=STM32U0 Mcu.Family=STM32U0
@ -61,7 +61,8 @@ Mcu.Pin1=PC2
Mcu.Pin10=PA13 (SWDIO) Mcu.Pin10=PA13 (SWDIO)
Mcu.Pin11=PA14 (SWCLK) Mcu.Pin11=PA14 (SWCLK)
Mcu.Pin12=VP_PWR_VS_SECSignals Mcu.Pin12=VP_PWR_VS_SECSignals
Mcu.Pin13=VP_SYS_VS_Systick Mcu.Pin13=VP_PWR_VS_LPOM
Mcu.Pin14=VP_SYS_VS_Systick
Mcu.Pin2=PA1 Mcu.Pin2=PA1
Mcu.Pin3=PA2 Mcu.Pin3=PA2
Mcu.Pin4=PA3 Mcu.Pin4=PA3
@ -70,7 +71,7 @@ Mcu.Pin6=PA6
Mcu.Pin7=PA7 Mcu.Pin7=PA7
Mcu.Pin8=PB2 Mcu.Pin8=PB2
Mcu.Pin9=PD9 Mcu.Pin9=PD9
Mcu.PinsNb=14 Mcu.PinsNb=15
Mcu.ThirdPartyNb=0 Mcu.ThirdPartyNb=0
Mcu.UserConstants= Mcu.UserConstants=
Mcu.UserName=STM32U083MCTx Mcu.UserName=STM32U083MCTx
@ -165,25 +166,30 @@ ProjectManager.UAScriptBeforePath=
ProjectManager.UnderRoot=false ProjectManager.UnderRoot=false
ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_SPI1_Init-SPI1-false-HAL-true,5-MX_USART2_UART_Init-USART2-false-HAL-true,0-MX_CORTEX_M0+_Init-CORTEX_M0+-false-HAL-true,0-MX_PWR_Init-PWR-false-HAL-true ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_SPI1_Init-SPI1-false-HAL-true,5-MX_USART2_UART_Init-USART2-false-HAL-true,0-MX_CORTEX_M0+_Init-CORTEX_M0+-false-HAL-true,0-MX_PWR_Init-PWR-false-HAL-true
RCC.ADCFreq_Value=24000000 RCC.ADCFreq_Value=24000000
RCC.AHBFreq_Value=24000000 RCC.AHBCLKDivider=RCC_SYSCLK_DIV2
RCC.APBFreq_Value=24000000 RCC.AHBFreq_Value=12000000
RCC.APBTimFreq_Value=24000000 RCC.APB1CLKDivider=RCC_HCLK_DIV2
RCC.CortexFreq_Value=24000000 RCC.APBFreq_Value=6000000
RCC.FCLKCortexFreq_Value=24000000 RCC.APBTimFreq_Value=12000000
RCC.CortexFreq_Value=1500000
RCC.Cortex_Div=SYSTICK_CLKSOURCE_HCLK_DIV8
RCC.DATA_CACHE_ENABLE=1
RCC.FCLKCortexFreq_Value=12000000
RCC.FamilyName=M RCC.FamilyName=M
RCC.HCLKFreq_Value=24000000 RCC.HCLKFreq_Value=12000000
RCC.HSE_VALUE=4000000 RCC.HSE_VALUE=4000000
RCC.HSI48_VALUE=48000000 RCC.HSI48_VALUE=48000000
RCC.HSI_VALUE=16000000 RCC.HSI_VALUE=16000000
RCC.I2C1Freq_Value=24000000 RCC.I2C1Freq_Value=6000000
RCC.I2C3Freq_Value=24000000 RCC.I2C3Freq_Value=6000000
RCC.IPParameters=ADCFreq_Value,AHBFreq_Value,APBFreq_Value,APBTimFreq_Value,CortexFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI48_VALUE,HSI_VALUE,I2C1Freq_Value,I2C3Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPTIM3Freq_Value,LPUART1Freq_Value,LPUART2Freq_Value,LPUART3Freq_Value,LSCOPinFreq_Value,LSE_VALUE,LSI_VALUE,MCO1PinFreq_Value,MCO2PinFreq_Value,MSIClockRangeVal,MSI_VALUE,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLRCLKFreq_Value,PWRFreq_Value,RNGFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,TIM15Freq_Value,TIM1Freq_Value,USART1Freq_Value,USART2Freq_Value,USBFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value RCC.INSTRUCTION_CACHE_ENABLE=1
RCC.LPTIM1Freq_Value=24000000 RCC.IPParameters=ADCFreq_Value,AHBCLKDivider,AHBFreq_Value,APB1CLKDivider,APBFreq_Value,APBTimFreq_Value,CortexFreq_Value,Cortex_Div,DATA_CACHE_ENABLE,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI48_VALUE,HSI_VALUE,I2C1Freq_Value,I2C3Freq_Value,INSTRUCTION_CACHE_ENABLE,LPTIM1Freq_Value,LPTIM2Freq_Value,LPTIM3Freq_Value,LPUART1Freq_Value,LPUART2Freq_Value,LPUART3Freq_Value,LSCOPinFreq_Value,LSE_VALUE,LSI_VALUE,MCO1PinFreq_Value,MCO2PinFreq_Value,MSIClockRangeVal,MSI_VALUE,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLRCLKFreq_Value,PLLSourceVirtual,PWRFreq_Value,RNGFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,TIM15Freq_Value,TIM1Freq_Value,USART1Freq_Value,USART2Freq_Value,USBFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VDD_VALUE
RCC.LPTIM2Freq_Value=24000000 RCC.LPTIM1Freq_Value=6000000
RCC.LPTIM3Freq_Value=24000000 RCC.LPTIM2Freq_Value=6000000
RCC.LPUART1Freq_Value=24000000 RCC.LPTIM3Freq_Value=6000000
RCC.LPUART2Freq_Value=24000000 RCC.LPUART1Freq_Value=6000000
RCC.LPUART3Freq_Value=24000000 RCC.LPUART2Freq_Value=6000000
RCC.LPUART3Freq_Value=6000000
RCC.LSCOPinFreq_Value=32000 RCC.LSCOPinFreq_Value=32000
RCC.LSE_VALUE=32768 RCC.LSE_VALUE=32768
RCC.LSI_VALUE=32000 RCC.LSI_VALUE=32000
@ -191,21 +197,23 @@ RCC.MCO1PinFreq_Value=24000000
RCC.MCO2PinFreq_Value=24000000 RCC.MCO2PinFreq_Value=24000000
RCC.MSIClockRangeVal=RCC_MSIRANGE_9 RCC.MSIClockRangeVal=RCC_MSIRANGE_9
RCC.MSI_VALUE=24000000 RCC.MSI_VALUE=24000000
RCC.PLLPoutputFreq_Value=32000000 RCC.PLLPoutputFreq_Value=48000000
RCC.PLLQoutputFreq_Value=32000000 RCC.PLLQoutputFreq_Value=48000000
RCC.PLLRCLKFreq_Value=32000000 RCC.PLLRCLKFreq_Value=48000000
RCC.PLLSourceVirtual=RCC_PLLSOURCE_MSI
RCC.PWRFreq_Value=24000000 RCC.PWRFreq_Value=24000000
RCC.RNGFreq_Value=24000000 RCC.RNGFreq_Value=24000000
RCC.SYSCLKFreq_VALUE=24000000 RCC.SYSCLKFreq_VALUE=24000000
RCC.SYSCLKSource=RCC_SYSCLKSOURCE_MSI RCC.SYSCLKSource=RCC_SYSCLKSOURCE_MSI
RCC.TIM15Freq_Value=24000000 RCC.TIM15Freq_Value=12000000
RCC.TIM1Freq_Value=24000000 RCC.TIM1Freq_Value=12000000
RCC.USART1Freq_Value=24000000 RCC.USART1Freq_Value=6000000
RCC.USART2Freq_Value=24000000 RCC.USART2Freq_Value=6000000
RCC.USBFreq_Value=24000000 RCC.USBFreq_Value=24000000
RCC.VCOInputFreq_Value=16000000 RCC.VCOInputFreq_Value=24000000
RCC.VCOOutputFreq_Value=64000000 RCC.VCOOutputFreq_Value=96000000
SPI1.BaudRatePrescaler=SPI_BAUDRATEPRESCALER_8 RCC.VDD_VALUE=1.71
SPI1.BaudRatePrescaler=SPI_BAUDRATEPRESCALER_2
SPI1.CalculateBaudRate=3.0 MBits/s SPI1.CalculateBaudRate=3.0 MBits/s
SPI1.DataSize=SPI_DATASIZE_8BIT SPI1.DataSize=SPI_DATASIZE_8BIT
SPI1.Direction=SPI_DIRECTION_2LINES SPI1.Direction=SPI_DIRECTION_2LINES
@ -213,8 +221,11 @@ SPI1.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,DataSize,BaudRate
SPI1.Mode=SPI_MODE_MASTER SPI1.Mode=SPI_MODE_MASTER
SPI1.NSSPMode=SPI_NSS_PULSE_DISABLE SPI1.NSSPMode=SPI_NSS_PULSE_DISABLE
SPI1.VirtualType=VM_MASTER SPI1.VirtualType=VM_MASTER
USART2.IPParameters=VirtualMode-Asynchronous USART2.IPParameters=VirtualMode-Asynchronous,OverSampling
USART2.OverSampling=UART_OVERSAMPLING_8
USART2.VirtualMode-Asynchronous=VM_ASYNC USART2.VirtualMode-Asynchronous=VM_ASYNC
VP_PWR_VS_LPOM.Mode=PowerOptimisation
VP_PWR_VS_LPOM.Signal=PWR_VS_LPOM
VP_PWR_VS_SECSignals.Mode=Security/Privilege VP_PWR_VS_SECSignals.Mode=Security/Privilege
VP_PWR_VS_SECSignals.Signal=PWR_VS_SECSignals VP_PWR_VS_SECSignals.Signal=PWR_VS_SECSignals
VP_SYS_VS_Systick.Mode=SysTick VP_SYS_VS_Systick.Mode=SysTick

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