BeRTOS
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00001 00038 #ifndef DRV_ADC_SAM3_H 00039 #define DRV_ADC_SAM3_H 00040 00041 #include <hw/hw_cpufreq.h> 00042 00043 #include "cfg/cfg_adc.h" 00044 00045 #include <cfg/compiler.h> 00046 00050 #define ADC_MUX_MAXCH 16 //Max number of channel for ADC. 00051 #define ADC_BITS 12 //Bit resolution for ADC converter. 00052 00057 #define ADC_PRESCALER (DIV_ROUNDUP(CPU_FREQ, 2 * CONFIG_ADC_CLOCK) - 1) 00058 #define ADC_CLOCK (CPU_FREQ / ((ADC_PRESCALER + 1) * 2)) 00059 00060 void adc_hw_select_ch(uint8_t ch); 00061 uint16_t adc_hw_read(void); 00062 void adc_hw_init(void); 00063 00064 #endif /* DRV_ADC_SAM3_H */