diff options
Diffstat (limited to 'chibios-blink/main.c')
-rw-r--r-- | chibios-blink/main.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/chibios-blink/main.c b/chibios-blink/main.c new file mode 100644 index 0000000..c173cac --- /dev/null +++ b/chibios-blink/main.c @@ -0,0 +1,73 @@ +/* + ChibiOS - Copyright (C) 2006..2018 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" + +semaphore_t blinker_sem; + +/* + * Green LED blinker thread, times are in milliseconds. + */ +static CH_SYS_CORE0_MEMORY THD_WORKING_AREA(waThread1, 128); +static THD_FUNCTION(Thread1, arg) { + + (void)arg; + chRegSetThreadName("blinker"); + while (true) { + chSemWait(&blinker_sem); + palToggleLine(25U); + } +} + +/* + * Application entry point. + */ +int main(void) { + + /* + * Shared objects initialization. + */ + chSemObjectInit(&blinker_sem, 0); + + /* + * 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(); + + /* + * Setting up GPIOs. + */ + palSetLineMode(25U, PAL_MODE_OUTPUT_PUSHPULL | PAL_RP_PAD_DRIVE12); + + /* + * Creates the blinker thread. + */ + chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL); + + /* + * Normal main() thread activity, in this demo it does nothing except + * sleeping in a loop. + */ + while (true) { + chThdSleepMilliseconds(500); + } +} |