ChibiOS/RT移植到STM32F407

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