/*********************************************************************//**
* @brief Initial ADC configuration
* - Maximum current is 700 uA
* - Value to AOUT is 0
* @param[in] DACx pointer to LPC_DAC_TypeDef, should be: LPC_DAC
* @return None
***********************************************************************/
void DAC_Init(LPC_DAC_TypeDef *DACx)
{
CHECK_PARAM(PARAM_DACx(DACx));
/* Set default clock divider for DAC */
// CLKPWR_SetPCLKDiv (CLKPWR_PCLKSEL_DAC, CLKPWR_PCLKSEL_CCLK_DIV_4);
//Set maximum current output
DAC_SetBias(LPC_DAC,DAC_MAX_CURRENT_700uA);
}
/*********************************************************************//**
* @brief Update value to DAC
* @param[in] DACx pointer to LPC_DAC_TypeDef, should be: LPC_DAC
* @param[in] dac_value : value 10 bit to be converted to output
* @return None
***********************************************************************/
void DAC_UpdateValue (LPC_DAC_TypeDef *DACx,uint32_t dac_value)
{
uint32_t tmp;
CHECK_PARAM(PARAM_DACx(DACx));
tmp = DACx->DACR & DAC_BIAS_EN;
tmp |= DAC_VALUE(dac_value);
// Update value
DACx->DACR = tmp;
}
/*********************************************************************//**
* @brief Initial ADC configuration
* - Maximum current is 700 uA
* - Value to AOUT is 0
* @param[in] DACx pointer to LPC_DAC_Type, should be: LPC_DAC
* @return None
***********************************************************************/
void DAC_Init(LPC_DAC_Type *DACx)
{
CHECK_PARAM(PARAM_DACx(DACx));
/* Set default clock divider for DAC */
//LPC_CGU->BASE_VPB3_CLK = (SRC_PL160M_0<<24) | (1<<11); // ABP3 base clock use PLL1 and auto block
CGU_EntityConnect(CGU_CLKSRC_PLL1, CGU_BASE_APB3);
//Set maximum current output
DAC_SetBias(LPC_DAC,DAC_MAX_CURRENT_700uA);
}
/*********************************************************************//**
* @brief To enable the DMA operation and control DMA timer
* @param[in] DACx pointer to LPC_DAC_TypeDef, should be: LPC_DAC
* @param[in] DAC_ConverterConfigStruct pointer to DAC_CONVERTER_CFG_Type
* - DBLBUF_ENA : enable/disable DACR double buffering feature
* - CNT_ENA : enable/disable timer out counter
* - DMA_ENA : enable/disable DMA access
* @return None
***********************************************************************/
void DAC_ConfigDAConverterControl (LPC_DAC_TypeDef *DACx,DAC_CONVERTER_CFG_Type *DAC_ConverterConfigStruct)
{
CHECK_PARAM(PARAM_DACx(DACx));
DACx->DACCTRL &= ~DAC_DACCTRL_MASK;
if (DAC_ConverterConfigStruct->DBLBUF_ENA)
DACx->DACCTRL |= DAC_DBLBUF_ENA;
if (DAC_ConverterConfigStruct->CNT_ENA)
DACx->DACCTRL |= DAC_CNT_ENA;
if (DAC_ConverterConfigStruct->DMA_ENA)
DACx->DACCTRL |= DAC_DMA_ENA;
}
/*********************************************************************//**
* @brief Set reload value for interrupt/DMA counter
* @param[in] DACx pointer to LPC_DAC_TypeDef, should be: LPC_DAC
* @param[in] time_out time out to reload for interrupt/DMA counter
* @return None
***********************************************************************/
void DAC_SetDMATimeOut(LPC_DAC_TypeDef *DACx, uint32_t time_out)
{
CHECK_PARAM(PARAM_DACx(DACx));
DACx->DACCNTVAL = DAC_CCNT_VALUE(time_out);
}
