C++ (Cpp) gpio_setup_inputの例

コード例 #1

ファイル: humid_sht.c プロジェクト: AFVlab/DroneCompetition

void humid_sht_init(void)
{
  /* Configure DAT/SCL pin as GPIO */
  gpio_setup_input(SHT_DAT_GPIO);
  gpio_setup_output(SHT_SCK_GPIO);
  gpio_clear(SHT_SCK_GPIO);


  humid_sht_available = FALSE;
  humid_sht_status = SHT_IDLE;
}

コード例 #2

ファイル: humid_sht.c プロジェクト: EwoudSmeur/paparazzi

void humid_sht_init(void)
{
  /* Configure DAT/SCL pin as GPIO */
  gpio_setup_input(SHT_DAT_GPIO);
  gpio_setup_output(SHT_SCK_GPIO);
  gpio_clear(SHT_SCK_GPIO);


  humid_sht_available = false;
  humid_sht_status = SHT_IDLE;

#if SHT_SDLOG
  log_sht_started = false;
#endif

}

コード例 #3

ファイル: i2c_arch.c プロジェクト: 1bitsquared/paparazzi

static void i2c_wd_check(struct i2c_periph *periph) {
  uint32_t i2c = (uint32_t) periph->reg_addr;

  if (periph->watchdog > WD_DELAY) {
    if (periph->watchdog == WD_DELAY + 1) {

      i2c_disable_interrupt(i2c, I2C_CR2_ITEVTEN);
      i2c_disable_interrupt(i2c, I2C_CR2_ITERREN);

      i2c_peripheral_disable(i2c);

#if USE_I2C1
      if (i2c == I2C1) {
        gpio_setup_output(I2C1_GPIO_PORT, I2C1_GPIO_SCL);
        gpio_setup_input(I2C1_GPIO_PORT, I2C1_GPIO_SDA);
      }
#endif
#if USE_I2C2
      if (i2c == I2C2) {
        gpio_setup_output(I2C2_GPIO_PORT, I2C2_GPIO_SCL);
        gpio_setup_input(I2C2_GPIO_PORT, I2C2_GPIO_SDA);
      }
#endif
#if USE_I2C3
      if (i2c == I2C3) {
        gpio_setup_output(I2C3_GPIO_PORT_SCL, I2C3_GPIO_SCL);
        gpio_setup_input(I2C3_GPIO_PORT_SDA,I2C3_GPIO_SDA);
      }
#endif

      i2c_scl_clear(i2c);
    }
    else if (periph->watchdog < WD_DELAY + WD_RECOVERY_TICKS) {
      if ((periph->watchdog - WD_DELAY) % 2)
        i2c_scl_clear(i2c);
      else
        i2c_scl_set(i2c);
    }
    else {
      i2c_scl_set(i2c);

      /* setup gpios for normal i2c operation again */
      i2c_setup_gpio(i2c);

      periph->trans_insert_idx = 0;
      periph->trans_extract_idx = 0;
      periph->status = I2CIdle;

      i2c_enable_interrupt(i2c, I2C_CR2_ITEVTEN);
      i2c_enable_interrupt(i2c, I2C_CR2_ITERREN);

      i2c_peripheral_enable(i2c);
      periph->watchdog = 0; // restart watchdog

      periph->errors->timeout_tlow_cnt++;

      return;
    }
  }
  if (periph->watchdog >= 0)
    periph->watchdog++;
}