Mike R / FastAnalogIn

Class similar to AnalogIn that uses burst mode to run continious background conversions so when the input is read, the last value can immediatly be returned. This slightly modified version allows NC pins.

Dependents:   Pinscape_Controller

Fork of FastAnalogIn by Erik -

Diff: FastAnalogIn_LPC408X.cpp

Revision:
5:55274430c8df
Parent:
4:cd84739f7640
Child:
7:965a2b0e477f
--- a/FastAnalogIn_LPC408X.cpp	Sun Apr 20 16:23:19 2014 +0000
+++ b/FastAnalogIn_LPC408X.cpp	Mon Apr 21 07:17:39 2014 +0000
@@ -26,10 +26,9 @@
     ADCnumber = (ADCName)pinmap_peripheral(pin, PinMap_ADC);
     if (ADCnumber == (uint32_t)NC)
         error("ADC pin mapping failed");
-    //printf("ADC_ID=%u\n",ADCnumber);
     datareg = (uint32_t*) (&LPC_ADC->DR[ADCnumber]);
 
-    wait_us(1000); // we need either the debug printf above or a wait before we try to initialize the ADC
+    wait_us(1000); // wait for a short while before trying to initialize the ADC afer a reset (needed for those global instantiations just before main)
 
     // ensure power is turned on
     LPC_SC->PCONP |= (1 << 12);