void RX_PIN_WAKEUP_handler(void *arg)
{
(void)arg;
platform_uart_driver_t* driver = arg;
uint32_t uart_number;
platform_gpio_enable_clock( driver->peripheral->pin_rx );
uart_number = platform_uart_get_port_number( driver->peripheral->port );
uart_peripheral_clock_functions[ uart_number ]( uart_peripheral_clocks[ uart_number ], ENABLE );
/* Enable DMA peripheral clock */
if ( driver->peripheral->tx_dma_config.controller == DMA1 )
{
RCC->AHB1ENR |= RCC_AHB1Periph_DMA1;
}
else
{
RCC->AHB1ENR |= RCC_AHB1Periph_DMA2;
}
platform_gpio_irq_disable( driver->peripheral->pin_rx );
platform_mcu_powersave_disable( );
mico_rtos_set_semaphore( &driver->sem_wakeup );
}
OSStatus platform_adc_init( const platform_adc_t* adc, uint32_t sample_cycle )
{
GPIO_InitTypeDef gpio_init_structure;
ADC_InitTypeDef adc_init_structure;
ADC_CommonInitTypeDef adc_common_init_structure;
uint8_t a;
OSStatus err = kNoErr;
platform_mcu_powersave_disable();
require_action_quiet( adc != NULL, exit, err = kParamErr);
/* Enable peripheral clock for this port */
err = platform_gpio_enable_clock( adc->pin );
require_noerr(err, exit);
/* Initialize the associated GPIO */
gpio_init_structure.GPIO_Pin = (uint32_t)( 1 << adc->pin->pin_number );;
gpio_init_structure.GPIO_Speed = (GPIOSpeed_TypeDef) 0;
gpio_init_structure.GPIO_Mode = GPIO_Mode_AN;
gpio_init_structure.GPIO_PuPd = GPIO_PuPd_NOPULL;
gpio_init_structure.GPIO_OType = GPIO_OType_OD;
GPIO_Init( adc->pin->port, &gpio_init_structure );
RCC_APB2PeriphClockCmd( adc->adc_peripheral_clock, ENABLE );
/* Initialize the ADC */
ADC_StructInit( &adc_init_structure );
adc_init_structure.ADC_Resolution = ADC_Resolution_12b;
adc_init_structure.ADC_ScanConvMode = DISABLE;
adc_init_structure.ADC_ContinuousConvMode = DISABLE;
adc_init_structure.ADC_ExternalTrigConv = ADC_ExternalTrigConvEdge_None;
adc_init_structure.ADC_DataAlign = ADC_DataAlign_Right;
adc_init_structure.ADC_NbrOfConversion = 1;
ADC_Init( adc->port, &adc_init_structure );
ADC_CommonStructInit( &adc_common_init_structure );
adc_common_init_structure.ADC_Mode = ADC_Mode_Independent;
adc_common_init_structure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
adc_common_init_structure.ADC_Prescaler = ADC_Prescaler_Div2;
adc_common_init_structure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit( &adc_common_init_structure );
ADC_Cmd( adc->port, ENABLE );
/* Find the closest supported sampling time by the MCU */
for ( a = 0; ( a < sizeof( adc_sampling_cycle ) / sizeof(uint16_t) ) && adc_sampling_cycle[a] < sample_cycle; a++ )
{
}
/* Initialize the ADC channel */
ADC_RegularChannelConfig( adc->port, adc->channel, adc->rank, a );
exit:
platform_mcu_powersave_enable();
return err;
}