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Hi Guys I am using the 56F8300Demo board with efield. I am trying to measure the E-feild sensor's value. On the board the ADC is hooked up to Channel 4. The slection of the active electrode is done by setting an appropriate electrode no at the PORTB4-7. So I have created a BitsIO bean (for controlling the electrode selection) called PB and an ADC bean to aquire data from channel 4, without intterupt, 1 sample , conversion time 5.100uS. I use the following code to itterate thruough the electrodes 1 thru 9. for(;;) { for(i=1;i<=9;i++) { PB_PutVal(i); //Select the electrode channel = AD1_Measure(TRUE);//measure ADC, method wait till conversion is complete AD1_GetValue8(&Value8); //Readn in the values as 8 bit if(Value8<10){while(AS1_SendChar(Value8)! =ERR_OK);} //if value is <10, then there is a presense of a dielectric, so send the value char out. } } This code works fine in single stepping and nothing during standalone run. Unlike the previous time, I have used the methods to wait till the actions are complete. Any idea what I could be doing wrong? I did try using while(AD1_Measure(TRUE)==ER_OK) as well, same problem. Secondly, I am also looking at the possibility of a wrong setting in the bean, like conversion time or something, any clues? Thanks Jay |
Similar to single step issue, but now with ADC
Started by ●February 6, 2005
