ChibiOS/RT移植到STM32F407

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下载源码

找到STM32F407的demos程序（chibiosdemosSTM32RT-STM32F407-DISCOVERY）

/*
 * This is a periodic thread that does absolutely nothing except flashing
 * a LED.
 */
static THD_WORKING_AREA(waThread1, 128);
static THD_FUNCTION(Thread1, arg) {

  (void)arg;
  chRegSetThreadName("blinker");
  while (true) {
    palSetPad(GPIOD, GPIOD_LED3);       /* Orange.  根据个人开发板配置*/
    chThdSleepMilliseconds(500);
    palClearPad(GPIOD, GPIOD_LED3);     /* Orange.  */
    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 serial driver 2 using the driver default configuration.
   * PA2(TX) and PA3(RX) are routed to USART2.
   */
  sdStart(&SD2, NULL); //SD2，代表UART2
  palSetPadMode(GPIOA, 2, PAL_MODE_ALTERNATE(7)); //UART TX
  palSetPadMode(GPIOA, 3, PAL_MODE_ALTERNATE(7)); //UART RX

  /*
   * Creates the example thread. 创建线程
   */
  chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);

  /*
   * Normal main() thread activity, in this demo it does nothing except
   * sleeping in a loop and check the button state.
   */
  while (true) {
    if (palReadPad(GPIOA, GPIOA_BUTTON))
      TestThread(&SD2);
    chThdSleepMilliseconds(500);
  }
}

使用烧写工具烧写。效果是串口不断打印TestThread中的信息，LED不断闪烁