ADLINK CM1-86DX2 - Manual (Page 67)

Using the Module 61
CM1-86DX2
#define ADC_AUX_CHS ADC_BASE_ADDR+0 // AUX channel register
#define ADC_CTRL_REG ADC_BASE_ADDR+1 // ADC control register
#define ADC_STATUS ADC_BASE_ADDR+2 // ADC status register
#define ADC_DATA ADC_BASE_ADDR+4 // ADC data register
#define ADC_READY_MASK 0x01
#define ADC_CH_MASK 0xFF // bits[15:13] represent the ADC channel
#define ADC_VAL_MASK 0x07FF // bits[10:0] represent the result value
// SB function 0 addresses and offsets
// base address of 32 bit wide On-Chip Device Control Register in South Bridge Function 0
#define ON_CHIP_CTRL_REG 0xBC
#define ADC_DISABLE_TEMPERATURE_SENSOR 0x6FFFFFFF
#define I2C1_DISABLE 0x00020000
// SB function 1 addresses and offsets
// start of 32 bit wide index register for the ADC_BASE_ADDR and Input Channel
// select in South Bridge Function 1
#define SB1_ADC_CONTROL_REG 0xE0
//base address of 16 bit wide 8051A Control Register in the South Bridge Function 1
#define ANALOG_SHARE_REG 0xDE
#define ANALOG_SHARE_DISABLE 0x02
#define ADC_START_ONE_SHOT 0x01 // do an bitwise OR to set
#define ADC_START_AUTOSCAN 0x03 // do an bitwise OR to set
#define ADC_DEVICE_CTRL_MASK 0xEF
// Calibration Settings
#define OFFSET 0.0 // in mV
void usage ()
{
printf( "USAGE: ./sai <channel>\n" );
printf( " <channel>: 0 ... 7\n" );
printf( "e. g.: ./sai 3\n");
return;
}
/
*##################################################################
######
# 1. iopl(3) --> gain low level access and check input arguments of the
# command line
########################################################################
*/
int main( int argc, char ** argv )
{
double capturedAdcValue = 0 ;
unsigned int capturedAdcData = 0, capturedAdcRaw = 0,
onChipDeviceControl_value = 0, adc_control_register_value = 0;
unsigned char capturedAdcChannel = 0, adcChannel = 0;
unsigned char adc_channel = 0, retVal = 0;
if(argc != 2)
{
usage();
return 2;
}
if ( iopl ( 3 ) != 0 )
{
printf ("IOPL error\n ");
return 1;