| 2,6 → 2,7 |
|---|
| #include "adc.h" |
| |
| static ADC_DATA adc_data; |
| static ADC_DATA *adc_data_p = &adc_data; |
| |
| void ADC_Init(unsigned char TAD, unsigned char FOSC) { |
| TRISAbits.TRISA0 = 1; |
| 8,8 → 9,8 |
|---|
| TRISAbits.TRISA1 = 1; |
| TRISAbits.TRISA2 = 1; |
| |
| adc_data.last_channel = 0; |
| adc_data.result = 0; |
| adc_data_p->last_channel = 0; |
| adc_data_p->result = 0; |
| |
| ADCON0bits.VCFG1 = 0; // VRef- = AVss |
| ADCON0bits.VCFG0 = 1; // VRef+ != AVdd |
| 29,7 → 30,7 |
|---|
| } |
| |
| void ADC_Start(unsigned char channel) { |
| adc_data.last_channel = channel; |
| adc_data_p->last_channel = channel; |
| ADCON0bits.CHS = channel; // Set A/D channel |
| ADCON0bits.GO_DONE = 1; // Start A/D conversion |
| } |
| 39,7 → 40,7 |
|---|
| } |
| |
| void ADC_Interrupt_Handler() { |
| adc_data.result = ADRES; |
| adc_data_p->result = ADRES; |
| } |
| |
| char ADC_Get_Result(unsigned int* ret) { |
| 46,7 → 47,7 |
|---|
| if (ADCON0bits.GO_DONE) { |
| return 0; |
| } else { |
| *ret = adc_data.result; |
| *ret = adc_data_p->result; |
| return 1; |
| } |
| } |