#include "adc.h"
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#include "gpio.h"
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//ÄÚ²¿ÀÛ¼Ó Î¶ÈбÂÊ
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//float const_TmpeK = 4.5295; //0X640 ADCбÂÊ
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//float const_30_top = 30.0;
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//ÍⲿÀÛ¼Ó Î¶ÈбÂÊ
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float const_TmpeK_14BIT = 23.0247; //14BIT ADCбÂÊ
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float const_30_top = 30.0;
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void ADC_LithIO_Init(void)
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{
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CMU_PERCLK_SetableEx(PADCLK, ENABLE); //PADʱÖÓ£¨GPIO£©Ê¹Äܺ¯Êý
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// AnalogIO(LIT_PWR_UNDER_PORT,LIT_PWR_UNDER_PIN);//ADC_5
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// GPIOx_ANEN_Setable(LIT_PWR_UNDER_PORT,LIT_PWR_UNDER_PIN,ENABLE);
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AnalogIO(LIT_ADC_PORT,LIT_ADC_PIN);//ADC_IN4
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GPIOx_ANEN_Setable(LIT_ADC_PORT,LIT_ADC_PIN,ENABLE);
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}
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void ADC_AlkaIO_Init(void)
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{
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CMU_PERCLK_SetableEx(PADCLK, ENABLE); //PADʱÖÓ£¨GPIO£©Ê¹Äܺ¯Êý
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AnalogIO(ALK_ADC_PORT,ALK_ADC_PIN);//ADC_IN8
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GPIOx_ANEN_Setable(ALK_ADC_PORT,ALK_ADC_PIN,ENABLE);
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}
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void ADC_IN5_Init(void)
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{
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CDIF_CR_INTF_EN_Setable(ENABLE); //¿çµçÔ´Óò½Ó¿ÚʹÄÜ
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VRTC_Init_RCMF_Trim();
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VRTC_RCMFCR_EN_Setable(ENABLE);
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VRTC_ADCCR_CKS_Set(VRTC_ADCCR_CKS_RCMF_2); //ADC¹¤×÷ʱÖÓÑ¡Ôñ
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VRTC_ADCCR_CKE_Setable(ENABLE); //ADC¹¤×÷ʱÖÓʹÄÜ
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ADC_CFGR_BUFSEL_Set(ADC_CFGR_BUFSEL_ADC_IN5); //ADCÊäÈëͨµÀÑ¡Ôñ
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ADC_CFGR_BUFEN_Setable(ENABLE); //ADCÊäÈëͨµÀbufferʹÄÜ/½ûÖ¹
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ADC_CR_MODE_Set(ADC_CR_MODE_EXTERNAL); //ADC¹¤×÷ģʽѡÔñÍⲿÀÛ¼ÓÆ÷
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ADC_CR_RSTCTRL_EN_Setable(ENABLE); //ÔÊÐí»ý·ÖÆ÷Íⲿ¸´Î»
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ADC_CFGR_ACC_PERIOD_Set(ADC_CFGR_ACC_PERIOD_14BITS); //ÍⲿÀÛ¼ÓÆ÷ÀÛ¼ÓÖÜÆÚÅäÖÃ
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ADC_CR_HPEN_Set(ADC_CR_HPEN_1MHZ);
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ADC_TRIM_Write(0X7FF); //adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä4ms
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// ADC_TRIM_Write(0X3FF); //adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä2ms
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// ADC_TRIM_Write(0X1FF); //adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä1ms
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ADC_CR_ACC_IE_Setable(DISABLE); //ÍⲿÀÛ¼ÓģʽÖжϽûÖ¹
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ADC_CR_EN_Setable(DISABLE); //ADC¹Ø±Õ
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}
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void ADC_IN4_Init(void)
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{
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CDIF_CR_INTF_EN_Setable(ENABLE); //¿çµçÔ´Óò½Ó¿ÚʹÄÜ
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VRTC_Init_RCMF_Trim();
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VRTC_RCMFCR_EN_Setable(ENABLE);
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VRTC_ADCCR_CKS_Set(VRTC_ADCCR_CKS_RCMF_2); //ADC¹¤×÷ʱÖÓÑ¡Ôñ
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VRTC_ADCCR_CKE_Setable(ENABLE); //ADC¹¤×÷ʱÖÓʹÄÜ
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ADC_CFGR_BUFSEL_Set(ADC_CFGR_BUFSEL_ADC_IN4); //ADCÊäÈëͨµÀÑ¡Ôñ
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ADC_CFGR_BUFEN_Setable(ENABLE); //ADCÊäÈëͨµÀbufferʹÄÜ/½ûÖ¹
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ADC_CR_MODE_Set(ADC_CR_MODE_EXTERNAL); //ADC¹¤×÷ģʽѡÔñÍⲿÀÛ¼ÓÆ÷
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ADC_CR_RSTCTRL_EN_Setable(ENABLE); //ÔÊÐí»ý·ÖÆ÷Íⲿ¸´Î»
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ADC_CFGR_ACC_PERIOD_Set(ADC_CFGR_ACC_PERIOD_14BITS); //ÍⲿÀÛ¼ÓÆ÷ÀÛ¼ÓÖÜÆÚÅäÖÃ
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ADC_CR_HPEN_Set(ADC_CR_HPEN_1MHZ);
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ADC_TRIM_Write(0X7FF); //adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä4ms
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// ADC_TRIM_Write(0X3FF); //adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä2ms
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// ADC_TRIM_Write(0X1FF); //adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä1ms
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ADC_CR_ACC_IE_Setable(DISABLE); //ÍⲿÀÛ¼ÓģʽÖжϽûÖ¹
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ADC_CR_EN_Setable(DISABLE); //ADC¹Ø±Õ
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}
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void ADC_IN8_Init(void)
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{
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CDIF_CR_INTF_EN_Setable(ENABLE); //¿çµçÔ´Óò½Ó¿ÚʹÄÜ
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VRTC_Init_RCMF_Trim();
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VRTC_RCMFCR_EN_Setable(ENABLE);
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VRTC_ADCCR_CKS_Set(VRTC_ADCCR_CKS_RCMF_2); //ADC¹¤×÷ʱÖÓÑ¡Ôñ
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VRTC_ADCCR_CKE_Setable(ENABLE); //ADC¹¤×÷ʱÖÓʹÄÜ
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ADC_CFGR_BUFSEL_Set(ADC_CFGR_BUFSEL_ADC_IN8); //ADCÊäÈëͨµÀÑ¡Ôñ
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ADC_CFGR_BUFEN_Setable(ENABLE); //ADCÊäÈëͨµÀbufferʹÄÜ/½ûÖ¹
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ADC_CR_MODE_Set(ADC_CR_MODE_EXTERNAL); //ADC¹¤×÷ģʽѡÔñÍⲿÀÛ¼ÓÆ÷
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ADC_CR_RSTCTRL_EN_Setable(ENABLE); //ÔÊÐí»ý·ÖÆ÷Íⲿ¸´Î»
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ADC_CFGR_ACC_PERIOD_Set(ADC_CFGR_ACC_PERIOD_14BITS); //ÍⲿÀÛ¼ÓÆ÷ÀÛ¼ÓÖÜÆÚÅäÖÃ
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ADC_CR_HPEN_Set(ADC_CR_HPEN_1MHZ);
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ADC_TRIM_Write(0X7FF); //adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä4ms
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// ADC_TRIM_Write(0X3FF); //adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä2ms
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// ADC_TRIM_Write(0X1FF); //adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä1ms
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ADC_CR_ACC_IE_Setable(DISABLE); //ÍⲿÀÛ¼ÓģʽÖжϽûÖ¹
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ADC_CR_EN_Setable(DISABLE); //ADC¹Ø±Õ
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}
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void ADC_Temp_Init(void)
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{
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CDIF_CR_INTF_EN_Setable(ENABLE); //¿çµçÔ´Óò½Ó¿ÚʹÄÜ
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VRTC_Init_RCMF_Trim();
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VRTC_RCMFCR_EN_Setable(ENABLE);
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VRTC_ADCCR_CKS_Set(VRTC_ADCCR_CKS_RCMF_2); //ADC¹¤×÷ʱÖÓÑ¡Ôñ
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VRTC_ADCCR_CKE_Setable(ENABLE); //ADC¹¤×÷ʱÖÓʹÄÜ
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ADC_CFGR_BUFSEL_Set(ADC_CFGR_BUFSEL_TS); //ADCÊäÈëͨµÀÑ¡Ôñ
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ADC_CFGR_BUFEN_Setable(ENABLE); //ADCÊäÈëͨµÀbufferʹÄÜ/½ûÖ¹
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ADC_CR_MODE_Set(ADC_CR_MODE_EXTERNAL); //ADC¹¤×÷ģʽѡÔñÍⲿÀÛ¼ÓÆ÷
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ADC_CR_RSTCTRL_EN_Setable(ENABLE); //ÔÊÐí»ý·ÖÆ÷Íⲿ¸´Î» ÄÚ²¿Ä£Ê½disable Íⲿģʽenable
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ADC_TRIM_Write(0x7FF); //ÍⲿÀÛ¼Æ ±ØÐëд0x7FF
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ADC_CFGR_ACC_PERIOD_Set(ADC_CFGR_ACC_PERIOD_14BITS); //ÍⲿÀÛ¼ÓÆ÷ÀÛ¼ÓÖÜÆÚÅäÖà ÄÚ²¿ÀÛ¼Ó¿É×¢ÊÍ
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ADC_CR_ACC_IE_Setable(DISABLE); //ÍⲿÀÛ¼ÓģʽÖжϽûÖ¹
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ADC_CR_EN_Setable(DISABLE); //ADC¹Ø±Õ
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}
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uint32_t adc_vol_cal(uint32_t adc_data)
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{
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int32_t Volt = 0;
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Volt = (adc_data*const_adc_Slope/1000.0)+const_adc_Offset/100.0;
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if(Volt<0) //VoltΪ¸ºÖµ
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{
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Volt=0;
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}
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return Volt;
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}
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float adc_tem_cal(uint32_t adc_data)
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{
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float T = 0;
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//ÄÚ²¿ÀÛ¼Ó¼ÆËã
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// if(adc_data >const_T_30 )
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// {
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// T=(adc_data-const_T_30)/const_TmpeK+const_30_top;
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// }
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// else
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// {
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// T=const_30_top-(const_T_30-adc_data)/const_TmpeK;
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// }
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//ÍⲿÀۼƼÆËã
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if(adc_data >const_T_30_14BIT )
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{
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T=(adc_data-const_T_30_14BIT)/const_TmpeK_14BIT+const_30_top-0.5;
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}
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else
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{
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T=const_30_top-(const_T_30_14BIT-adc_data)/const_TmpeK_14BIT-0.5;
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}
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return T;
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}
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uint08 adc_wait_finish(void)
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{
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uint32 timeout=0;
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do
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{
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if(SET == ADC_ISR_ACC_IF_Chk()) return 0;//ÍⲿÀÛ¼Ó
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}while(timeout++ < 0xFFFFFFFFU);
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return 1;//³¬Ê±
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}
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uint32_t Get_AdcValue(void)
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{
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volatile int32_t fVlotage = 0;
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uint32 fTempADC = 0;
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ADC_CR_EN_Setable(ENABLE); //ADCÆô¶¯
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ADC_ISR_ACC_IF_Clr(); //ÍⲿÀÛ¼ÓÇå³ýÖжϱêÖ¾
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if(0 == adc_wait_finish()) //µÈ´ýת»»Íê³É
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fTempADC = ADC_DR_Read(); //¶ÁÈ¡ADÖµ
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else
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return 0;
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fVlotage = adc_vol_cal(fTempADC);//ADֵת»»Îªµçѹ,µçÔ´µçѹΪ5V
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return fVlotage;
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}
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float Get_AdcTempValue(void)
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{
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float Temperature = 0;
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uint32 fTempADC = 0;
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ADC_CR_EN_Setable(ENABLE); //ADCÆô¶¯
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ADC_ISR_ACC_IF_Clr(); //ÍⲿÀÛ¼ÓÇå³ýÖжϱêÖ¾
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if(0 == adc_wait_finish()) //µÈ´ýת»»Íê³É
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fTempADC = ADC_DR_Read(); //¶ÁÈ¡ADÖµ
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else
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return 0;
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Temperature = adc_tem_cal(fTempADC);
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return Temperature;
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}
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