void analogout_free(dac_t *obj) { // Reset DAC and disable clock if (obj->pin == PA_4) { pa4_used = 0; } if (obj->pin == PA_5) { pa5_used = 0; } if ((pa4_used == 0) && (pa5_used == 0)) { __HAL_RCC_DAC1_FORCE_RESET(); __HAL_RCC_DAC1_RELEASE_RESET(); __HAL_RCC_DAC1_CLK_DISABLE(); } #if defined(DAC2) if (obj->pin == PA_6) { __HAL_RCC_DAC2_FORCE_RESET(); __HAL_RCC_DAC2_RELEASE_RESET(); __HAL_RCC_DAC2_CLK_DISABLE(); } #endif // Configure GPIO pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); }
void analogout_free(dac_t *obj) { // Reset DAC and disable clock if (obj->channel == 1) channel1_used = 0; if (obj->channel == 2) channel2_used = 0; if ((channel1_used == 0) && (channel2_used == 0)) { __HAL_RCC_DAC1_FORCE_RESET(); __HAL_RCC_DAC1_RELEASE_RESET(); __HAL_RCC_DAC1_CLK_DISABLE(); } // Configure GPIO pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); }