static uint16_t readADC(uint8_t id)
{
uint16_t dataADC;
uint16_t first;
Chip_ADC_EnableChannel(LPC_ADC, id, ENABLE);
Chip_ADC_SetStartMode(LPC_ADC, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
/* Waiting for A/D conversion complete */
while (Chip_ADC_ReadStatus(LPC_ADC, id, ADC_DR_DONE_STAT) != SET) {}
/* Read ADC value */
Chip_ADC_ReadValue(LPC_ADC, id, &first);
Chip_ADC_SetStartMode(LPC_ADC, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
/* Waiting for A/D conversion complete */
while (Chip_ADC_ReadStatus(LPC_ADC, id, ADC_DR_DONE_STAT) != SET) {}
/* Read ADC value */
Chip_ADC_ReadValue(LPC_ADC, id, &dataADC);
int32_t diff = first - dataADC;
if(diff < 0 ) diff = -diff;
while(diff > 200) {
first = dataADC;
Chip_ADC_SetStartMode(LPC_ADC, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
/* Waiting for A/D conversion complete */
while (Chip_ADC_ReadStatus(LPC_ADC, id, ADC_DR_DONE_STAT) != SET) {}
/* Read ADC value */
Chip_ADC_ReadValue(LPC_ADC, id, &dataADC);
diff = first - dataADC;
if(diff < 0 ) diff = -diff;
}
Chip_ADC_EnableChannel(LPC_ADC, id, DISABLE);
return dataADC;
}
void ADC0_IRQHandler (void)
{
uint16_t value;
uint32_t index = 0; // always using ADC0
if(Chip_ADC_ReadStatus(adcsData[index].adc, ADC_CH1, ADC_DR_ADINT_STAT) == SET)
{
Chip_ADC_ReadValue(adcsData[index].adc, ADC_CH1, &value);
ADCValues[0] = value;
}
if(Chip_ADC_ReadStatus(adcsData[index].adc, ADC_CH2, ADC_DR_ADINT_STAT) == SET)
{
Chip_ADC_ReadValue(adcsData[index].adc, ADC_CH2, &value);
ADCValues[1] = value;
}
if(Chip_ADC_ReadStatus(adcsData[index].adc, ADC_CH3, ADC_DR_ADINT_STAT) == SET)
{
Chip_ADC_ReadValue(adcsData[index].adc, ADC_CH3, &value);
ADCValues[2] = value;
}
flagWaitingADCConv=0;
}
/**
* @brief main routine for ADC example
* @return Function should not exit
*/
int main(void)
{
uint16_t dataADC;
int j;
SystemCoreClockUpdate();
Board_Init();
Init_ADC_PinMux();
DEBUGSTR("ADC Demo\r\n");
/* ADC Init */
Chip_ADC_Init(LPC_ADC, &ADCSetup);
Chip_ADC_EnableChannel(LPC_ADC, ADC_CH0, ENABLE);
while (1) {
/* Start A/D conversion */
Chip_ADC_SetStartMode(LPC_ADC, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
/* Waiting for A/D conversion complete */
while (Chip_ADC_ReadStatus(LPC_ADC, ADC_CH0, ADC_DR_DONE_STAT) != SET) {}
/* Read ADC value */
Chip_ADC_ReadValue(LPC_ADC, ADC_CH0, &dataADC);
/* Print ADC value */
DEBUGOUT("ADC value is 0x%x\r\n", dataADC);
/* Delay */
j = 500000;
while (j--) {}
}
/* Should not run to here */
return 0;
}
uint16_t readAdc (const adc_t adcNumber)
{
uint16_t dataADC = 0;
if ((adcNumber > 0) && (adcNumber < (sizeof (adc) / sizeof (adc_t)))) {
/* Select using burst mode or not */
if (ADCSetup.burstMode)
Chip_ADC_SetBurstCmd (_LPC_ADC_ID, ENABLE);
else
Chip_ADC_SetBurstCmd (_LPC_ADC_ID, DISABLE);
/* Start A/D conversion if not using burst mode */
if (!ADCSetup.burstMode)
Chip_ADC_SetStartMode (_LPC_ADC_ID, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
/* Waiting for A/D conversion complete */
while (Chip_ADC_ReadStatus (_LPC_ADC_ID, adc[adcNumber], ADC_DR_DONE_STAT) != SET);
/* Read ADC value */
Chip_ADC_ReadValue (_LPC_ADC_ID, adc[adcNumber], &dataADC);
/* Disable burst mode, if any */
if (ADCSetup.burstMode)
Chip_ADC_SetBurstCmd (_LPC_ADC_ID, DISABLE);
}
return (dataADC);
}
/* Polling routine for ADC example */
static void App_Polling_Test(void)
{
uint16_t dataADC;
/* Select using burst mode or not */
if (Burst_Mode_Flag) {
Chip_ADC_SetBurstCmd(_LPC_ADC_ID, ENABLE);
}
else {
Chip_ADC_SetBurstCmd(_LPC_ADC_ID, DISABLE);
}
/* Get adc value until get 'x' character */
while (DEBUGIN() != 'x') {
/* Start A/D conversion if not using burst mode */
if (!Burst_Mode_Flag) {
Chip_ADC_SetStartMode(_LPC_ADC_ID, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
}
/* Waiting for A/D conversion complete */
while (Chip_ADC_ReadStatus(_LPC_ADC_ID, _ADC_CHANNLE, ADC_DR_DONE_STAT) != SET) {}
/* Read ADC value */
Chip_ADC_ReadValue(_LPC_ADC_ID, _ADC_CHANNLE, &dataADC);
/* Print ADC value */
App_print_ADC_value(dataADC);
}
/* Disable burst mode, if any */
if (Burst_Mode_Flag) {
Chip_ADC_SetBurstCmd(_LPC_ADC_ID, DISABLE);
}
}
uint16_t LeerCanalADC(int canal){
uint16_t* datos;
Chip_ADC_SetStartMode(LPC_ADC0, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
while(Chip_ADC_ReadStatus(LPC_ADC0,ADC_CH1,ADC_DR_DONE_STAT)!=SET);
Chip_ADC_ReadValue(LPC_ADC0, ADC_CH1, &datos);
return datos;
};
void adc_read(uint8_t channel, uint16_t *data)
{
Chip_ADC_EnableChannel(LPC_ADC, (ADC_CHANNEL_T)channel, ENABLE);
/* Start A/D conversion */
Chip_ADC_SetStartMode(LPC_ADC, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
/* Waiting for A/D conversion complete */
while (Chip_ADC_ReadStatus(LPC_ADC, (ADC_CHANNEL_T)channel, ADC_DR_DONE_STAT) != SET);
/* Read ADC value */
Chip_ADC_ReadValue(LPC_ADC, channel, data);
Chip_ADC_EnableChannel(LPC_ADC, (ADC_CHANNEL_T)channel, DISABLE);
}
uint16_t Board_TPS_2_ADC_Read(uint16_t *adc_data) {
/* Enable this channel and disable all others (because burst mode not enabled) */
Chip_ADC_EnableChannel(LPC_ADC, ADC_CH0, DISABLE);
Chip_ADC_EnableChannel(LPC_ADC, ADC_CH1, ENABLE);
/* Start A/D conversion */
Chip_ADC_SetStartMode(LPC_ADC, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
/* Waiting for A/D conversion complete */
while (!Chip_ADC_ReadStatus(LPC_ADC, ADC_CH1, ADC_DR_DONE_STAT)) {}
/* Read ADC value */
Chip_ADC_ReadValue(LPC_ADC, ADC_CH1, adc_data);
}
uint16_t ConvertDataADC(void)
{
uint16_t dataADC;
/*disparo conversion del ADC0, con Start Now*/
Chip_ADC_SetStartMode(LPC_ADC0,ADC_START_NOW,ADC_TRIGGERMODE_RISING);
/* ahora me quedo mirando un flag del registro del ADC0 que se va a poner a 1
* cuando termine de convertir. Entonces mientras sea diferente de 1, queda esperando*/
while(Chip_ADC_ReadStatus(LPC_ADC0,ADC_CH1,ADC_DR_DONE_STAT)!=SET)
{}
Chip_ADC_ReadValue(LPC_ADC0, ADC_CH1, & dataADC);
return dataADC;
}
/*
* @brief Get the value of one ADC channel. Mode: BLOCKING
* @param AI0 ... AIn
* @return analog value
*/
uint16_t analogRead( uint8_t analogInput ){
uint8_t lpcAdcChannel = 49 - analogInput;
uint16_t analogValue = 0;
Chip_ADC_EnableChannel(LPC_ADC0, lpcAdcChannel, ENABLE);
Chip_ADC_SetStartMode(LPC_ADC0, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
while( (Chip_ADC_ReadStatus(LPC_ADC0, lpcAdcChannel, ADC_DR_DONE_STAT) != SET) );
Chip_ADC_ReadValue( LPC_ADC0, lpcAdcChannel, &analogValue );
Chip_ADC_EnableChannel( LPC_ADC0, lpcAdcChannel, DISABLE );
return analogValue;
}
uint16_t skynetbase_windvane_measure(void) {
skynetbase_windvane_start();
// Waiting for A/D conversion complete
while (Chip_ADC_ReadStatus(LPC_ADC, WINDVANE_ADC, ADC_DR_DONE_STAT) != SET) {}
// Read ADC value
Chip_ADC_ReadValue(LPC_ADC, WINDVANE_ADC, &windvane_buffer);
skynetbase_windvane_stop();
uint32_t upscaled = (uint32_t)windvane_buffer * (uint32_t)windvane_max_target;
return upscaled / windvane_max;
}
/** \brief ADC Ch1 Acquisition method by pooling */
uint16_t read_ADC_value_pooling(void)
{
/** \details
* This function initialize the DAC peripheral in the EDU-CIAA board,
* with the correct parameters with LPCOpen methods.
*
* \param none
*
* \return uint8_t: TBD (to support errors in the init function)
* */
uint16_t valueRead = 0 ;
/** Start Acquisition */
Chip_ADC_SetStartMode(LPC_ADC0, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
/** The pooling magic! */
while (Chip_ADC_ReadStatus(LPC_ADC0, ADC_CH1, ADC_DR_DONE_STAT) != SET)
{
/** pooooliiinnggg maaagggicccc plif plif pluf pluf */
}
/** Conversion complete, and value reading */
Chip_ADC_ReadValue(LPC_ADC0,ADC_CH1, &valueRead);
return valueRead;
}
/**
* @brief Main routine for W5500 EVB firmware
* @return Function should not exit.
*/
int main(void) {
#if defined (__USE_LPCOPEN)
#if !defined(NO_BOARD_LIB)
// Read clock settings and update SystemCoreClock variable
SystemCoreClockUpdate();
// Set up and initialize all required blocks and
// functions related to the board hardware
Board_Init();
#endif
#endif
uint16_t dataADC;
int16_t calc_temp;
/* Flag for running user's code */
bool run_user_applications = true;
/* Enable and setup SysTick Timer at a periodic rate */
SysTick_Config(SystemCoreClock / TICKRATE_HZ1);
/* ADC Init */
Init_ADC_PinMux();
Chip_ADC_Init(LPC_ADC, &ADCSetup);
Chip_ADC_EnableChannel(LPC_ADC, TEMP_SENSOR_CH, ENABLE);
#ifdef _MAIN_DEBUG_
printf("\r\n=======================================\r\n");
printf(" WIZnet W5500 EVB\r\n");
printf(" On-board Temperature sensor demo example v%d.%.2d\r\n", VER_H, VER_L);
printf("=======================================\r\n");
printf(">> This example using ADC, SysTick\r\n");
printf("=======================================\r\n");
#endif
/* Main loop ***************************************/
while(1)
{
// TODO: insert user's code here
if(run_user_applications)
{
if(ADC_read_enable)
{
ADC_read_enable = false;
/* Start A/D conversion */
Chip_ADC_SetStartMode(LPC_ADC, ADC_START_NOW, ADC_TRIGGERMODE_RISING);
/* Waiting for A/D conversion complete */
while (Chip_ADC_ReadStatus(LPC_ADC, TEMP_SENSOR_CH, ADC_DR_DONE_STAT) != SET) {}
/* Read ADC value */
Chip_ADC_ReadValue(LPC_ADC, TEMP_SENSOR_CH, &dataADC);
/* Calculate ADC value to Celsius temperature */
calc_temp = (((dataADC * SUPPLY_VOLTAGE) / 1023) - 500) / 10;
/* Print ADC value */
printf("ADC value is 0x%x, ", dataADC);
/* Print Celsius temperature */
printf("Celsius temperature : %d C\r\n", calc_temp);
}
} // End of user's code
} // End of Main loop
return 0;
}
int ADC_GetValue() {
uint16_t value;
while(Chip_ADC_ReadStatus(LPC_ADC0,ADC_CH1,ADC_DR_DONE_STAT) != SET);
Chip_ADC_ReadValue(LPC_ADC0,ADC_CH1,&value);
return value;
}
