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Hi All I am working on the DSP56F801 processor. Just wrote a simple program for ADC #include <math.h> #include "port.h" #include "bsp.h" #include "io.h" #include "fcntl.h" #include "gpio.h" #include "adc.h" static const adc_sState sAd1 = { ADC_CHANNEL_0, 1, 0, 0, 0, 0, }; void main (void) { ssize_t Num; UWord16 Adc1; FRAC16 Readvalue; Adc1 = open (BSP_DEVICE_NAME_ADC_0,O_RDONLY,&sAd1); ioctl(Adc1,ADC_START,0); while(1) { Num = read(Adc1,&Readvalue,sizeof(Readvalue)); } close(Adc1); } My input is 1 v at AN0 . But everytime i execute this program i am getting Num = 0 or 1 and Readvalue 2760. Can you help me with this. I am not getting the exact value. Thanks Praveen |
Help ADC
Started by ●November 5, 2004
