From e8aadbe8c18c2b50e4d093a858a350e5bfacd715 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Fri, 8 Feb 2013 15:43:09 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5133 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32F30x/SPI/main.c | 166 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 166 insertions(+) create mode 100644 testhal/STM32F30x/SPI/main.c (limited to 'testhal/STM32F30x/SPI/main.c') diff --git a/testhal/STM32F30x/SPI/main.c b/testhal/STM32F30x/SPI/main.c new file mode 100644 index 000000000..76afcc913 --- /dev/null +++ b/testhal/STM32F30x/SPI/main.c @@ -0,0 +1,166 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011,2012,2013 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#include "ch.h" +#include "hal.h" + +/* + * Maximum speed SPI configuration (18MHz, CPHA=0, CPOL=0, MSb first). + */ +static const SPIConfig hs_spicfg = { + NULL, + GPIOB, + 12, + 0, + SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0 +}; + +/* + * Low speed SPI configuration (140.625kHz, CPHA=0, CPOL=0, MSb first). + */ +static const SPIConfig ls_spicfg = { + NULL, + GPIOB, + 12, + 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. + */ +static uint8_t txbuf[512]; +static uint8_t rxbuf[512]; + +/* + * SPI bus contender 1. + */ +static WORKING_AREA(spi_thread_1_wa, 256); +static msg_t spi_thread_1(void *p) { + + (void)p; + chRegSetThreadName("SPI thread 1"); + while (TRUE) { + spiAcquireBus(&SPID2); /* Acquire ownership of the bus. */ + palSetPad(GPIOE, GPIOE_LED10_RED); /* LED ON. */ + spiStart(&SPID2, &hs_spicfg); /* Setup transfer parameters. */ + spiSelect(&SPID2); /* Slave Select assertion. */ + spiExchange(&SPID2, 512, + txbuf, rxbuf); /* Atomic transfer operations. */ + spiUnselect(&SPID2); /* Slave Select de-assertion. */ + spiReleaseBus(&SPID2); /* Ownership release. */ + } + return 0; +} + +/* + * SPI bus contender 2. + */ +static WORKING_AREA(spi_thread_2_wa, 256); +static msg_t spi_thread_2(void *p) { + + (void)p; + chRegSetThreadName("SPI thread 2"); + while (TRUE) { + spiAcquireBus(&SPID2); /* Acquire ownership of the bus. */ + palClearPad(GPIOE, GPIOE_LED10_RED);/* LED OFF. */ + spiStart(&SPID2, &ls_spicfg); /* Setup transfer parameters. */ + spiSelect(&SPID2); /* Slave Select assertion. */ + spiExchange(&SPID2, 512, + txbuf, rxbuf); /* Atomic transfer operations. */ + spiUnselect(&SPID2); /* Slave Select de-assertion. */ + spiReleaseBus(&SPID2); /* Ownership release. */ + } + return 0; +} +/* + * This is a periodic thread that does absolutely nothing except flashing + * a LED. + */ +static WORKING_AREA(blinker_wa, 128); +static msg_t blinker(void *arg) { + + (void)arg; + chRegSetThreadName("blinker"); + while (TRUE) { + palSetPad(GPIOE, GPIOE_LED3_RED); + chThdSleepMilliseconds(500); + palClearPad(GPIOE, GPIOE_LED3_RED); + chThdSleepMilliseconds(500); + } +} + +/* + * Application entry point. + */ +int main(void) { + unsigned i; + + /* + * 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. + */ + palSetPadMode(GPIOB, 13, PAL_MODE_ALTERNATE(5) | + PAL_STM32_OSPEED_HIGHEST); /* New SCK. */ + palSetPadMode(GPIOB, 14, PAL_MODE_ALTERNATE(5) | + PAL_STM32_OSPEED_HIGHEST); /* New MISO. */ + palSetPadMode(GPIOB, 15, PAL_MODE_ALTERNATE(5) | + PAL_STM32_OSPEED_HIGHEST); /* New MOSI. */ + palSetPadMode(GPIOB, 12, PAL_MODE_OUTPUT_PUSHPULL | + PAL_STM32_OSPEED_HIGHEST); /* New CS. */ + palSetPad(GPIOB, 12); + + /* + * Prepare transmit pattern. + */ + for (i = 0; i < sizeof(txbuf); i++) + txbuf[i] = (uint8_t)i; + + /* + * 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); + + /* + * Starting the blinker thread. + */ + chThdCreateStatic(blinker_wa, sizeof(blinker_wa), + NORMALPRIO-1, blinker, NULL); + + /* + * Normal main() thread activity, in this demo it does nothing. + */ + while (TRUE) { + chThdSleepMilliseconds(500); + } + return 0; +} -- cgit v1.2.3 From 853216256ad4cdacf5f94edb7d6b738c6be165a1 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 30 Mar 2013 10:32:37 +0000 Subject: Relicensing parts of the tree under the Apache 2.0 license. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5521 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32F30x/SPI/main.c | 24 ++++++++++-------------- 1 file changed, 10 insertions(+), 14 deletions(-) (limited to 'testhal/STM32F30x/SPI/main.c') diff --git a/testhal/STM32F30x/SPI/main.c b/testhal/STM32F30x/SPI/main.c index 76afcc913..aedae794a 100644 --- a/testhal/STM32F30x/SPI/main.c +++ b/testhal/STM32F30x/SPI/main.c @@ -1,21 +1,17 @@ /* - ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, - 2011,2012,2013 Giovanni Di Sirio. + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio - This file is part of ChibiOS/RT. + 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 - ChibiOS/RT is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. + http://www.apache.org/licenses/LICENSE-2.0 - ChibiOS/RT is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . + 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 "ch.h" -- cgit v1.2.3