From 5a059c8d6ecfe2f98a77570b8b6cf13c500398f7 Mon Sep 17 00:00:00 2001 From: Clyne Sullivan Date: Fri, 11 Nov 2016 15:15:16 -0500 Subject: tar'd chibi --- ChibiOS_16.1.5/testhal/STM32/STM32F7xx/SPI/main.c | 181 ---------------------- 1 file changed, 181 deletions(-) delete mode 100644 ChibiOS_16.1.5/testhal/STM32/STM32F7xx/SPI/main.c (limited to 'ChibiOS_16.1.5/testhal/STM32/STM32F7xx/SPI/main.c') 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 - -#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); - } -} -- cgit v1.2.3