/**
* @brief Get ADC Data from AD Global register
* @param[in] ADCx pointer to ADC
* @param[in] channel channel number
* @return Result of conversion
*
*********************************************************************/
uint16_t ADC_GlobalGetData(ADC_TypeDef *ADCx, uint8_t channel)
{
CHECK_PARAM(PARAM_ADCx(ADCx));
CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(channel));
//ADCx->ADGDR &= ~ADC_GDR_CH_MASK;
//ADCx->ADGDR |= ADC_GDR_CH(channel);
return (uint16_t)(ADC_GDR_RESULT(ADCx->ADGDR));
}
/*********************************************************************//**
* @brief Get ADC result
* @param[in] channel channel number
* @return Data conversion
*
************************************************************************/
uint16_t ADC_ChannelGetData(uint8_t channel)
{
uint32_t adc_value;
CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(channel));
adc_value = *(uint32_t *) ((&LPC_ADC->DR[0]) + channel);
return ADC_DR_RESULT(adc_value);
}
/**
* @brief Get Result conversion from A/D data register
* @param[in] channel number which want to read back the result
* @return Result of conversion
*********************************************************************/
uint32_t ADC_GetData(uint32_t channel)
{
uint32_t adc_value;
CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(channel));
adc_value = *(uint32_t *)((&ADC->ADDR0) + channel);
return ADC_GDR_RESULT(adc_value);
}
/**
* @brief Get ADC result
* @param[in] ADCx pointer to ADC
* @param[in] channel channel number
* @return Data conversion
*
*********************************************************************/
uint16_t ADC_ChannelGetData(ADC_TypeDef *ADCx, uint8_t channel)
{
uint32_t adc_value;
CHECK_PARAM(PARAM_ADCx(ADCx));
CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(channel));
adc_value = *(uint32_t *) ((&ADCx->ADDR0) + channel);
return ADC_DR_RESULT(adc_value);
}
/*********************************************************************//**
* @brief Enable/Disable ADC channel number
* @param[in] Channel channel number
* @param[in] NewState Enable or Disable
*
* @return None
*
************************************************************************/
void ADC_ChannelCmd (uint8_t Channel, FunctionalState NewState)
{
CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(Channel));
if (NewState == ENABLE) {
LPC_ADC->CR |= ADC_CR_CH_SEL(Channel);
} else {
LPC_ADC->CR &= ~ADC_CR_CH_SEL(Channel);
}
}
/**
* @brief Enable/Disable ADC channel number
* @param[in] ADCx pointer to ADC
* @param[in] Channel channel number
* @param[in] NewState Enable or Disable
*
* @return None
*
*********************************************************************/
void ADC_ChannelCmd (ADC_TypeDef *ADCx, uint8_t Channel, FunctionalState NewState)
{
CHECK_PARAM(PARAM_ADCx(ADCx));
CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(Channel));
if (NewState == ENABLE) {
ADCx->ADCR |= ADC_CR_CH_SEL(Channel);
} else {
ADCx->ADCR &= ~ADC_CR_CH_SEL(Channel);
}
}
/*********************************************************************//**
* @brief Enable/Disable ADC channel number
* @param[in] ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
* @param[in] Channel channel number
* @param[in] NewState Enable or Disable
*
* @return None
**********************************************************************/
void ADC_ChannelCmd (LPC_ADC_TypeDef *ADCx, uint8_t Channel, FunctionalState NewState)
{
CHECK_PARAM(PARAM_ADCx(ADCx));
CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(Channel));
if (NewState == ENABLE) {
ADCx->ADCR |= ADC_CR_CH_SEL(Channel);
} else {
if (ADCx->ADCR & ADC_CR_START_MASK) //need to stop START bits before disable channel
ADCx->ADCR &= ~ADC_CR_START_MASK;
ADCx->ADCR &= ~ADC_CR_CH_SEL(Channel);
}
}
/********************************************************************//**
* @brief Init ADC AD input pins, pins assign:
* AD0 - PIO0_11
* AD1 - PIO1_0
* AD2 - PIO1_1
* AD3 - PIO1_2
* AD4 - PIO1_3
* AD5 - PIO1_4
* AD6 - PIO1_10
* AD7 - PIO1_11
* NOTE:AD0,AD1,AD2,AD3,AD4 are multiplexed with JTAG pins(SW)
*
* @param[in] * @param[in] Channel channel number
*
* @return None
*********************************************************************/
void ADC_PinsInit(uint8_t channel)
{
uint32_t pin;
CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(channel));
// alexk: CHECK_PARAM(PARAM_ADMODE(mod));
/* Set AD function */
switch(channel) {
case 0: /* AD Channel 0: PIO0_11 */
IOCON_SetPinFunc(IOCON_PIO0_11, PIO0_11_FUN_AD0);
pin = IOCON_PIO0_11;
break;
case 1: /* AD Channel 1: PIO1_0 */
IOCON_SetPinFunc(IOCON_PIO1_0, PIO1_0_FUN_AD1);
pin = IOCON_PIO1_0;
break;
case 2: /* AD Channel 2: PIO1_1 */
IOCON_SetPinFunc(IOCON_PIO1_1, PIO1_1_FUN_AD2);
pin = IOCON_PIO1_1;
break;
case 3: /* AD Channel 3: PIO1_2 */
IOCON_SetPinFunc(IOCON_PIO1_2, PIO1_2_FUN_AD3);
pin = IOCON_PIO1_2;
break;
case 4: /* AD Channel 4: PIO1_3 */
IOCON_SetPinFunc(IOCON_PIO1_3, PIO1_3_FUN_AD4);
pin = IOCON_PIO1_3;
break;
case 5: /* AD Channel 5: PIO1_4 */
IOCON_SetPinFunc(IOCON_PIO1_4, PIO1_4_FUN_AD5);
pin = IOCON_PIO1_4;
break;
case 6: /* AD Channel 6: PIO1_10 */
IOCON_SetPinFunc(IOCON_PIO1_10, PIO1_10_FUN_AD6);
pin = IOCON_PIO1_10;
break;
case 7: /* AD Channel 7: PIO1_11 */
IOCON_SetPinFunc(IOCON_PIO1_11, PIO1_11_FUN_AD7);
pin = IOCON_PIO1_11;
break;
default: return;
};
*(uint32_t *)((uint32_t)&(LPC_IOCON->PIO2_6) + pin) &= ~ADC_PINS_MODE_MASK;
}
/*********************************************************************//**
* @brief Get ADC Chanel status from ADC data register
* @param[in] channel channel number
* @param[in] StatusType
* 0:Burst status
* 1:Done status
* @return SET / RESET
*
************************************************************************/
FlagStatus ADC_ChannelGetStatus(uint8_t channel, uint32_t StatusType)
{
uint32_t temp;
CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(channel));
CHECK_PARAM(PARAM_ADC_DATA_STATUS(StatusType));
temp = *(uint32_t *) ((&LPC_ADC->DR[0]) + channel);
if (StatusType) {
temp &= ADC_DR_DONE_FLAG;
}else{
temp &= ADC_DR_OVERRUN_FLAG;
}
if (temp) {
return SET;
} else {
return RESET;
}
}
/*********************************************************************//**
* @brief Get ADC Chanel status from ADC data register
* @param[in] ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
* @param[in] channel: channel number, should be 0..7
* @param[in] StatusType
* 0:Burst status
* 1:Done status
* @return SET / RESET
**********************************************************************/
FlagStatus ADC_ChannelGetStatus(LPC_ADC_TypeDef *ADCx, uint8_t channel, uint32_t StatusType)
{
uint32_t temp;
CHECK_PARAM(PARAM_ADCx(ADCx));
CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(channel));
CHECK_PARAM(PARAM_ADC_DATA_STATUS(StatusType));
temp = *((&ADCx->ADDR0) + channel);
if (StatusType) {
temp &= ADC_DR_DONE_FLAG;
}else{
temp &= ADC_DR_OVERRUN_FLAG;
}
if (temp) {
return SET;
} else {
return RESET;
}
}
