Why can't I use UART1 and ADC1 together?
Hi. I made a code that uses ADC1 in single conversion mode and UART in asynchronous mode.
But when I do the ADC1_Init() for some reason the RX interrupt of the UART doesn't work, if I don't use the ADC1 it works normally. Can someone help me?
Peripheral Settings
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);
GPIO_DeInit(GPIOA); // GPIOA reset
GPIO_DeInit(GPIOB); // GPIOB reset
GPIO_DeInit(GPIOC); // GPIOC reset
GPIO_DeInit(GPIOD); // GPIOD reset
GPIO_DeInit(GPIOE); // GPIOD reset
//SAIDAS
GPIO_Init(DIG1, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(DIG2, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(DIG3, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(SEGA, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(SEGB, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(SEGC, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(SEGD, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(SEGE, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(SEGF, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(SEGG, GPIO_MODE_OUT_OD_LOW_SLOW);
GPIO_Init(SEGDP, GPIO_MODE_OUT_OD_LOW_SLOW);
GPIO_Init(DIGITALOUT, GPIO_MODE_OUT_PP_LOW_FAST);
//CONFIGURACAO EEPROM
FLASH_SetProgrammingTime(FLASH_PROGRAMTIME_STANDARD);
//BASE DE TEMPO 1MS TIM4
TIM4_TimeBaseInit(TIM4_PRESCALER_128, 124);
TIM4_ClearFlag(TIM4_FLAG_UPDATE);
TIM4_ITConfig(TIM4_IT_UPDATE, ENABLE);
TIM4_Cmd(ENABLE);
//ADC CONFIG
ADC1_DeInit();
ADC1_Init(ADC1_CONVERSIONMODE_SINGLE,
ADC1_CHANNEL_4,
ADC1_PRESSEL_FCPU_D4,
ADC1_EXTTRIG_TIM,DISABLE,
ADC1_ALIGN_RIGHT,
ADC1_SCHMITTTRIG_ALL,DISABLE);
ADC1_ScanModeCmd(ENABLE);
ADC1_Cmd(ENABLE);*/
//CONFIG UART1 CALIBRACAO E *****
UART1_DeInit();
UART1_Init((uint32_t)9600,
UART1_WORDLENGTH_8D,
UART1_STOPBITS_1,
UART1_PARITY_NO,
UART1_SYNCMODE_CLOCK_DISABLE,
UART1_MODE_TXRX_ENABLE);
UART1_ITConfig(UART1_IT_RXNE_OR, ENABLE);
enableInterrupts();
RX reading (only works if ADC is not started)
INTERRUPT_HANDLER(UART1_RX_IRQHandler, 18)
{
buffer[counter] = UART1_ReceiveData8();
counter++;
if(counter > 10)UART1_ITConfig(UART1_IT_RXNE_OR, DISABLE);
}
ADC input reading
ADC1_StartConversion();
while(ADC1_GetFlagStatus(ADC1_FLAG_EOC) == RESET);
voltageAverage[averageCounter] = (unsigned int)ADC1_GetBufferValue(ADC1_CHANNEL_4);
ADC1_ClearFlag(ADC1_FLAG_EOC);
Thanks