diff options
Diffstat (limited to 'testhal/STM32F4xx/GPT/main.c')
| -rw-r--r-- | testhal/STM32F4xx/GPT/main.c | 94 | 
1 files changed, 94 insertions, 0 deletions
diff --git a/testhal/STM32F4xx/GPT/main.c b/testhal/STM32F4xx/GPT/main.c new file mode 100644 index 000000000..4b0031dc3 --- /dev/null +++ b/testhal/STM32F4xx/GPT/main.c @@ -0,0 +1,94 @@ +/*
 +    ChibiOS/RT - Copyright (C) 2006-2013 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"
 +
 +/*
 + * GPT2 callback.
 + */
 +static void gpt2cb(GPTDriver *gptp) {
 +
 +  (void)gptp;
 +  palSetPad(GPIOD, GPIOD_LED5);
 +  chSysLockFromIsr();
 +  gptStartOneShotI(&GPTD3, 1000);   /* 0.1 second pulse.*/
 +  chSysUnlockFromIsr();
 +}
 +
 +/*
 + * GPT3 callback.
 + */
 +static void gpt3cb(GPTDriver *gptp) {
 +
 +  (void)gptp;
 +  palClearPad(GPIOD, GPIOD_LED5);
 +}
 +
 +/*
 + * GPT2 configuration.
 + */
 +static const GPTConfig gpt2cfg = {
 +  10000,    /* 10kHz timer clock.*/
 +  gpt2cb    /* Timer callback.*/
 +};
 +
 +/*
 + * GPT3 configuration.
 + */
 +static const GPTConfig gpt3cfg = {
 +  10000,    /* 10kHz timer clock.*/
 +  gpt3cb    /* Timer callback.*/
 +};
 +
 +/*
 + * 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();
 +
 +  /*
 +   * Initializes the GPT drivers 2 and 3.
 +   */
 +  gptStart(&GPTD2, &gpt2cfg);
 +  gptPolledDelay(&GPTD2, 10); /* Small delay.*/
 +  gptStart(&GPTD3, &gpt3cfg);
 +  gptPolledDelay(&GPTD3, 10); /* Small delay.*/
 +
 +  /*
 +   * Normal main() thread activity, it changes the GPT1 period every
 +   * five seconds.
 +   */
 +  while (TRUE) {
 +    palSetPad(GPIOD, GPIOD_LED4);
 +    gptStartContinuous(&GPTD2, 5000);
 +    chThdSleepMilliseconds(5000);
 +    gptStopTimer(&GPTD2);
 +    palClearPad(GPIOD, GPIOD_LED4);
 +    gptStartContinuous(&GPTD2, 2500);
 +    chThdSleepMilliseconds(5000);
 +    gptStopTimer(&GPTD2);
 +  }
 +}
  | 
