void inicializar_DAC(void)
{
Chip_SCU_DAC_Analog_Config();
Chip_DAC_Init(LPC_DAC);
Chip_DAC_ConfigDAConverterControl(LPC_DAC,DAC_DMA_ENA|DAC_CNT_ENA);
}
/** \brief Main function
*
* This is the main entry point of the software.
*
* \returns 0
*
* \remarks This function never returns. Return value is only to avoid compiler
* warnings or errors.
*/
void InicializarDAC(void)
{
Chip_SCU_DAC_Analog_Config();
Chip_DAC_Init(LPC_DAC); // en external/drivers/cortexM4/lpc43xx/inc/chip_lpc43xx.h estan definidoa todas las variables que contienen
//la direccion de bae de cada modulo del micro lpc43xx
Chip_DAC_ConfigDAConverterControl(LPC_DAC,DAC_DMA_ENA);
}
int main(void)
{
/* perform the needed initialization here */
InicializaPuertosTeclasYLeds();
DatoDAC=0;
Vmax=930;
T=100;
t=0;
Chip_SCU_DAC_Analog_Config(); //select DAC function
Chip_DAC_Init(LPC_DAC); //initialize DAC
Chip_DAC_SetBias(LPC_DAC, DAC_MAX_UPDATE_RATE_400kHz);
Chip_DAC_SetDMATimeOut(LPC_DAC, 0xffff);
Chip_DAC_ConfigDAConverterControl(LPC_DAC, DAC_CNT_ENA | DAC_DMA_ENA);
Chip_RIT_Init(LPC_RITIMER);
Chip_RIT_SetTimerInterval(LPC_RITIMER,1);
NVIC_EnableIRQ(RITIMER_IRQn);
while(1) {
}
return 0;
}
void DAC_Init() {
Chip_SCU_DAC_Analog_Config();
Chip_DAC_SetBias(LPC_DAC,0);
Chip_DAC_Init(LPC_DAC);
Chip_DAC_SetDMATimeOut(LPC_DAC, 0xFFFF);
Chip_DAC_ConfigDAConverterControl(LPC_DAC, (DAC_CNT_ENA | DAC_DMA_ENA));
}
void dacInit(){
Chip_SCU_DAC_Analog_Config();
Chip_DAC_Init(LPC_DAC);
Chip_DAC_ConfigDAConverterControl(LPC_DAC,DAC_DMA_ENA);
}
void InicializarDAC(void)
{
/* perform the needed initialization here */
Chip_SCU_DAC_Analog_Config();
Chip_DAC_Init(LPC_DAC);
Chip_DAC_ConfigDAConverterControl(LPC_DAC,DAC_DMA_ENA);
};
void initDac (void)
{
Chip_SCU_DAC_Analog_Config();
/* DAC Init */
Chip_DAC_Init (LPC_DAC);
Chip_DAC_SetDMATimeOut (LPC_DAC, 0xFFFF);
Chip_DAC_ConfigDAConverterControl (LPC_DAC, (DAC_CNT_ENA | DAC_DMA_ENA));
setDacValue (0); /* 0 <=> 0V & 1024 <=> 3.3V */
}
/**
* @brief Main routine for DAC example
* @return Nothing
*/
int main(void)
{
bool end_Flag = false;
uint8_t bufferUART;
Board_Init();
Board_DAC_Init(LPC_DAC);
/* DAC Init */
Chip_DAC_Init(LPC_DAC);
/* set time out for DAC*/
Chip_DAC_SetDMATimeOut(LPC_DAC, 0xFFFF);
Chip_DAC_ConfigDAConverterControl(LPC_DAC, (DAC_CNT_ENA | DAC_DMA_ENA));
while (!end_Flag) {
DEBUGOUT(WelcomeMenu);
while (!end_Flag) {
bufferUART = 0xFF;
bufferUART = DEBUGIN();
if (bufferUART == 'c') {
DEBUGOUT(SelectMenu);
bufferUART = 0xFF;
while (bufferUART == 0xFF) {
bufferUART = DEBUGIN();
if ((bufferUART != '1') && (bufferUART != '2') && (bufferUART != '3')) {
bufferUART = 0xFF;
}
}
switch (bufferUART) {
case '1': /* Polling Mode */
App_Polling_Test();
break;
case '2': /* Interrupt Mode */
App_Interrupt_Test();
break;
case '3': /* DMA mode */
App_DMA_Test();
break;
}
break;
}
else if (bufferUART == 'x') {
end_Flag = true;
DEBUGOUT("\r\nDAC demo terminated!");
}
}
}
return 0;
}
void Board_DAC_Init(void)
{
Chip_SCU_DAC_Analog_Config();
Chip_DAC_Init(LPC_DAC);
Chip_DAC_SetBias(LPC_DAC, DAC_MAX_UPDATE_RATE_400kHz);
Chip_DAC_ConfigDAConverterControl(LPC_DAC, DAC_CNT_ENA | DAC_DMA_ENA);
// Enable DMA
Chip_DAC_SetDMATimeOut(LPC_DAC, 0xffff);
Chip_GPDMA_Init(LPC_GPDMA);
NVIC_DisableIRQ(DMA_IRQn);
NVIC_SetPriority(DMA_IRQn, ((0x01 << 3) | 0x01));
NVIC_EnableIRQ(DMA_IRQn);
dacInfo.flagCyclic=0;
dacInfo.dmaChannelDAC=0xFF;
}
void InicializarDAC(void){
Chip_SCU_DAC_Analog_Config();
Chip_DAC_Init(LPC_DAC);
Chip_DAC_UpdateValue(LPC_DAC, 0);
Chip_DAC_ConfigDAConverterControl (LPC_DAC, DAC_DMA_ENA);
}
/*
* @brief: enable/disable the ADC and DAC peripheral
* @param: ENEABLE_AI, DISABLE_AI, ENEABLE_AO, DISABLE_AO
* @return: none
*/
void analogConfig( uint8_t config ){
switch(config){
case ENABLE_ANALOG_INPUTS: {
/* Config ADC0 sample mode */
/*
ADC_CLOCK_SETUP_T ADCSetup = {
400000, // ADC rate
10, // ADC bit accuracy
0 // ADC Burt Mode (true or false)
};
*/
ADC_CLOCK_SETUP_T ADCSetup;
/* Initialized to default values:
* - Sample rate:ADC_MAX_SAMPLE_RATE=400KHz
* - resolution: ADC_10BITS
* - burst mode: DISABLE */
Chip_ADC_Init( LPC_ADC0, &ADCSetup );
/* Disable burst mode */
Chip_ADC_SetBurstCmd( LPC_ADC0, DISABLE );
/* Set sample rate to 200KHz */
Chip_ADC_SetSampleRate( LPC_ADC0, &ADCSetup, ADC_MAX_SAMPLE_RATE/2 );
/* Disable all channels */
Chip_ADC_EnableChannel( LPC_ADC0,ADC_CH1, DISABLE );
Chip_ADC_Int_SetChannelCmd( LPC_ADC0, ADC_CH1, DISABLE );
Chip_ADC_EnableChannel( LPC_ADC0, ADC_CH2, DISABLE );
Chip_ADC_Int_SetChannelCmd( LPC_ADC0, ADC_CH2, DISABLE );
Chip_ADC_EnableChannel( LPC_ADC0, ADC_CH3, DISABLE );
Chip_ADC_Int_SetChannelCmd( LPC_ADC0, ADC_CH3, DISABLE );
Chip_ADC_EnableChannel( LPC_ADC0, ADC_CH4, DISABLE );
Chip_ADC_Int_SetChannelCmd( LPC_ADC0, ADC_CH4, DISABLE );
}
break;
case DISABLE_ANALOG_INPUTS:
/* Disable ADC peripheral */
Chip_ADC_DeInit( LPC_ADC0 );
break;
case ENABLE_ANALOG_OUTPUTS:
/* Initialize the DAC peripheral */
Chip_DAC_Init(LPC_DAC);
/* Enables the DMA operation and controls DMA timer */
Chip_DAC_ConfigDAConverterControl(LPC_DAC, DAC_DMA_ENA);
/* DCAR DMA access */
/* Update value to DAC buffer*/
Chip_DAC_UpdateValue(LPC_DAC, 0);
break;
case DISABLE_ANALOG_OUTPUTS:
/* Disable DAC peripheral */
Chip_DAC_DeInit( LPC_DAC );
break;
}
}
void initDAC(){
Chip_SCU_DAC_Analog_Config();
Chip_DAC_Init(LPC_DAC);
Chip_DAC_SetBias(LPC_DAC, DAC_MAX_UPDATE_RATE_400kHz);
Chip_DAC_ConfigDAConverterControl(LPC_DAC,DAC_CNT_ENA|DAC_DMA_ENA);
}
