From b7fdc3f060da86bd718379bdf87334b0143ea44b Mon Sep 17 00:00:00 2001 From: Giovanni Di Sirio Date: Thu, 3 Dec 2015 10:51:04 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8553 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32/STM32F3xx/CAN/main.c | 107 +++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 testhal/STM32/STM32F3xx/CAN/main.c (limited to 'testhal/STM32/STM32F3xx/CAN/main.c') diff --git a/testhal/STM32/STM32F3xx/CAN/main.c b/testhal/STM32/STM32F3xx/CAN/main.c new file mode 100644 index 000000000..e9511c17b --- /dev/null +++ b/testhal/STM32/STM32F3xx/CAN/main.c @@ -0,0 +1,107 @@ +/* + 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 "ch.h" +#include "hal.h" + +/* + * Internal loopback mode, 500KBaud, automatic wakeup, automatic recover + * from abort mode. + */ +static const CANConfig cancfg = { + CAN_MCR_ABOM | CAN_MCR_AWUM | CAN_MCR_TXFP, + CAN_BTR_LBKM | CAN_BTR_SJW(0) | CAN_BTR_TS2(1) | + CAN_BTR_TS1(8) | CAN_BTR_BRP(6) +}; + +/* + * Receiver thread. + */ +static THD_WORKING_AREA(can_rx_wa, 256); +static THD_FUNCTION(can_rx, p) { + event_listener_t el; + CANRxFrame rxmsg; + + (void)p; + chRegSetThreadName("receiver"); + chEvtRegister(&CAND1.rxfull_event, &el, 0); + while(!chThdShouldTerminateX()) { + if (chEvtWaitAnyTimeout(ALL_EVENTS, MS2ST(100)) == 0) + continue; + while (canReceive(&CAND1, CAN_ANY_MAILBOX, &rxmsg, TIME_IMMEDIATE) == MSG_OK) { + /* Process message.*/ + palTogglePad(GPIOE, GPIOE_LED3_RED); + } + } + chEvtUnregister(&CAND1.rxfull_event, &el); +} + +/* + * Transmitter thread. + */ +static THD_WORKING_AREA(can_tx_wa, 256); +static THD_FUNCTION(can_tx, p) { + CANTxFrame txmsg; + + (void)p; + chRegSetThreadName("transmitter"); + txmsg.IDE = CAN_IDE_EXT; + txmsg.EID = 0x01234567; + txmsg.RTR = CAN_RTR_DATA; + txmsg.DLC = 8; + txmsg.data32[0] = 0x55AA55AA; + txmsg.data32[1] = 0x00FF00FF; + + while (!chThdShouldTerminateX()) { + canTransmit(&CAND1, CAN_ANY_MAILBOX, &txmsg, MS2ST(100)); + chThdSleepMilliseconds(500); + } +} + +/* + * 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(); + + /* + * Activates the CAN driver 1. + */ + canStart(&CAND1, &cancfg); + + /* + * Starting the transmitter and receiver threads. + */ + chThdCreateStatic(can_rx_wa, sizeof(can_rx_wa), NORMALPRIO + 7, can_rx, NULL); + chThdCreateStatic(can_tx_wa, sizeof(can_tx_wa), NORMALPRIO + 7, can_tx, NULL); + + /* + * Normal main() thread activity, in this demo it does nothing. + */ + while (true) { + chThdSleepMilliseconds(500); + } + return 0; +} -- cgit v1.2.3