diff options
Diffstat (limited to 'ChibiOS_16.1.5/testhal/STM32/STM32F7xx/SPI/main.c')
| -rw-r--r-- | ChibiOS_16.1.5/testhal/STM32/STM32F7xx/SPI/main.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/ChibiOS_16.1.5/testhal/STM32/STM32F7xx/SPI/main.c b/ChibiOS_16.1.5/testhal/STM32/STM32F7xx/SPI/main.c deleted file mode 100644 index 4a89aa9..0000000 --- a/ChibiOS_16.1.5/testhal/STM32/STM32F7xx/SPI/main.c +++ /dev/null @@ -1,181 +0,0 @@ -/*
- ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-#include <string.h>
-
-#include "ch.h"
-#include "hal.h"
-
-/*===========================================================================*/
-/* SPI driver related. */
-/*===========================================================================*/
-
-#define SPI_LOOPBACK
-
-/*
- * Maximum speed SPI configuration (27MHz, CPHA=0, CPOL=0, MSb first).
- */
-static const SPIConfig hs_spicfg = {
- NULL,
- GPIOB,
- GPIOB_ARD_D15,
- SPI_CR1_BR_0,
- SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0
-};
-
-/*
- * Low speed SPI configuration (421.875kHz, CPHA=0, CPOL=0, MSb first).
- */
-static const SPIConfig ls_spicfg = {
- NULL,
- GPIOB,
- GPIOB_ARD_D14,
- SPI_CR1_BR_2 | SPI_CR1_BR_1,
- SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0
-};
-
-/*
- * SPI TX and RX buffers.
- * Note, the buffer are aligned to a 32 bytes boundary because limitations
- * imposed by the data cache. Note, this is GNU specific, it must be
- * handled differently for other compilers.
- */
-#define SPI_BUFFERS_SIZE 128U
-
-static uint8_t txbuf[SPI_BUFFERS_SIZE];
-static uint8_t rxbuf[SPI_BUFFERS_SIZE];
-
-/*===========================================================================*/
-/* Application code. */
-/*===========================================================================*/
-
-/*
- * SPI bus contender 1.
- */
-static THD_WORKING_AREA(spi_thread_1_wa, 256);
-static THD_FUNCTION(spi_thread_1, p) {
-
- (void)p;
- chRegSetThreadName("SPI thread 1");
- while (true) {
- unsigned i;
-
- /* Bush acquisition and SPI reprogramming.*/
- spiAcquireBus(&SPID2);
- spiStart(&SPID2, &hs_spicfg);
-
- /* Preparing data buffer and flushing cache.*/
- for (i = 0; i < SPI_BUFFERS_SIZE; i++)
- txbuf[i] = (uint8_t)i;
-
- /* Slave selection and data exchange.*/
- spiSelect(&SPID2);
- spiExchange(&SPID2, SPI_BUFFERS_SIZE, txbuf, rxbuf);
- spiUnselect(&SPID2);
-
-#if defined(SPI_LOOPBACK)
- if (memcmp(txbuf, rxbuf, SPI_BUFFERS_SIZE) != 0)
- chSysHalt("loopback failure");
-#endif
-
- /* Releasing the bus.*/
- spiReleaseBus(&SPID2);
- }
-}
-
-/*
- * SPI bus contender 2.
- */
-static THD_WORKING_AREA(spi_thread_2_wa, 256);
-static THD_FUNCTION(spi_thread_2, p) {
-
- (void)p;
- chRegSetThreadName("SPI thread 2");
- while (true) {
- unsigned i;
-
- /* Bush acquisition and SPI reprogramming.*/
- spiAcquireBus(&SPID2);
- spiStart(&SPID2, &ls_spicfg);
-
- /* Preparing data buffer and flushing cache.*/
- for (i = 0; i < SPI_BUFFERS_SIZE; i++)
- txbuf[i] = (uint8_t)(128U + i);
-
- /* Slave selection and data exchange.*/
- spiSelect(&SPID2);
- spiExchange(&SPID2, SPI_BUFFERS_SIZE, txbuf, rxbuf);
- spiUnselect(&SPID2);
-
-#if defined(SPI_LOOPBACK)
- if (memcmp(txbuf, rxbuf, SPI_BUFFERS_SIZE) != 0)
- chSysHalt("loopback failure");
-#endif
-
- /* Releasing the bus.*/
- spiReleaseBus(&SPID2);
- }
-}
-
-/*
- * Application entry point.
- */
-int main(void) {
-
- /*
- * System initializations.
- * - HAL initialization, this also initializes the configured device drivers
- * and performs the board-specific initializations.
- * - Kernel initialization, the main() function becomes a thread and the
- * RTOS is active.
- */
- halInit();
- chSysInit();
-
- /*
- * SPI2 I/O pins setup.
- */
- palSetLineMode(LINE_ARD_D13,
- PAL_MODE_ALTERNATE(5) |
- PAL_STM32_OSPEED_HIGHEST); /* SPI SCK. */
- palSetLineMode(LINE_ARD_D12,
- PAL_MODE_ALTERNATE(5) |
- PAL_STM32_OSPEED_HIGHEST); /* MISO. */
- palSetLineMode(LINE_ARD_D11,
- PAL_MODE_ALTERNATE(5) |
- PAL_STM32_OSPEED_HIGHEST); /* MOSI. */
- palSetLine(LINE_ARD_D15);
- palSetLineMode(LINE_ARD_D15,
- PAL_MODE_OUTPUT_PUSHPULL); /* CS0. */
- palSetLine(LINE_ARD_D14);
- palSetLineMode(LINE_ARD_D14,
- PAL_MODE_OUTPUT_PUSHPULL); /* CS1. */
-
- /*
- * Starting the transmitter and receiver threads.
- */
- chThdCreateStatic(spi_thread_1_wa, sizeof(spi_thread_1_wa),
- NORMALPRIO + 1, spi_thread_1, NULL);
- chThdCreateStatic(spi_thread_2_wa, sizeof(spi_thread_2_wa),
- NORMALPRIO + 1, spi_thread_2, NULL);
-
- /*
- * Normal main() thread activity, in this demo it does nothing.
- */
- while (true) {
- chThdSleepMilliseconds(500);
- }
-}
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