From c62e70f59cd337aa71ddaa00a5259d8bdf436275 Mon Sep 17 00:00:00 2001
From: Avi Levkovich <avi@twine-s.com>
Date: Wed, 23 May 2018 17:43:41 +0300
Subject: Add Internal ADC support

---
 .../Embedded/Drivers/ADC_Sampling/ADC.c            | 63 +++++++++++++++++++---
 1 file changed, 57 insertions(+), 6 deletions(-)

(limited to 'Software/Embedded_SW/Embedded/Drivers/ADC_Sampling')

diff --git a/Software/Embedded_SW/Embedded/Drivers/ADC_Sampling/ADC.c b/Software/Embedded_SW/Embedded/Drivers/ADC_Sampling/ADC.c
index e58e1b71e..0ee2c96a0 100644
--- a/Software/Embedded_SW/Embedded/Drivers/ADC_Sampling/ADC.c
+++ b/Software/Embedded_SW/Embedded/Drivers/ADC_Sampling/ADC.c
@@ -5,6 +5,54 @@
 // data, and running the strip chart display.
 //
 //*****************************************************************************
+/*
+Notes:
+    12 shared analog input channels
+    12-bit precision ADC
+    Hardware averaging of up to 64 samples
+    As referred before the ADC has a  reference of 3V.
+
+    Voltage reference selected using the VREF field in the ADCCTL register (page 1217)
+
+    J0062
+            PIN 21  - AN_IDS_PRESSENS_7
+            PIN 9   - GND
+
+    J0252
+            PIN 21  - AN_IDS_PRESSENS_1
+            PIN 9   - GND
+
+    J0042
+            PIN 21  - AN_IDS_PRESSENS_3
+            PIN 9   - GND
+
+
+-----------------
+void ADCAcquireInit(void) // (MillisecInit) ok
+
+void ADCAcquireStart(ProcessCallback _callback, uint32_t _period)// (called by MillisecStart)
+
+//reading Trigger
+uint32_t ADC_TriggerCollection(void) // MillisecLoop
+//Data Get
+void ADC0SS0Handler(void)
+
+
+//----------------------------------------------------
+
+
+uint32_t ADC_GetReading(int DataItemId)// ADC Data get for a single data read
+
+Void ADCProcessTask(UArg arg0, UArg arg1)
+
+void ADCAcquireStop(void) //MillisecStop
+
+//---------------------------------
+
+
+        for (adc_i = 0; adc_i < MAX_ADC_DEVICES ; adc_i++)
+            ADC_Data[adc_i] = ADC_GetReading(adc_i);
+*/
 
 #include "ADC.h"
 #include "include.h"
@@ -99,7 +147,7 @@ static ProcessCallback processCallBack;
 //*****************************************************************************
 // This function starts an ADC Conversion.
 //static void ADCClockHandle(UArg arg0)
-uint32_t ADC_TriggerCollection(void)
+uint32_t ADC_TriggerCollection(void) // (called by MillisecLoop)
 {
     //
     // Kick off the next ADC acquisition.  When these are done they will
@@ -117,7 +165,7 @@ uint32_t ADC_TriggerCollection(void)
 // ADC Data get for a single data read
 //
 //*****************************************************************************
-uint32_t ADC_GetReading(int DataItemId)
+uint32_t ADC_GetReading(int DataItemId) //  // ADC Data get for a single data read
 {
     int bufnotinuse;
     assert (DataItemId<MAX_ADC_DEVICES);
@@ -189,13 +237,13 @@ Void ADCProcessTask(UArg arg0, UArg arg1)
 // acquisition.
 //
 //*****************************************************************************
-void ADCAcquireInit(void)
+void ADCAcquireInit(void) // (called by MillisecInit)
 {
     uint32_t ui32Chan, ui32Base, ui32Seq;
 
     //Avaraging 8
-    MAP_ADCHardwareOversampleConfigure(ADC0_BASE, 8);
-    MAP_ADCHardwareOversampleConfigure(ADC1_BASE, 8);
+    //MAP_ADCHardwareOversampleConfigure(ADC0_BASE, 8);
+    //MAP_ADCHardwareOversampleConfigure(ADC1_BASE, 8);
     //
     // Initialize both ADC peripherals using sequencer 0 and processor trigger.
     //
@@ -245,6 +293,9 @@ void ADCAcquireInit(void)
         MAP_ADCSequenceStepConfigure(ui32Base, ui32Seq, ui32Chan % 8, ui32ChCtl);
     }
 
+    ADCReferenceSet(ADC0_BASE, ADC_REF_EXT_3V);
+    ADCReferenceSet(ADC1_BASE, ADC_REF_EXT_3V);
+
     if (!isInitialized)
     {
 		// Create a periodic Clock Instance with _period - triggers the ADC sampling
@@ -261,7 +312,7 @@ void ADCAcquireInit(void)
 // This will start the acquisition running.
 //
 //*****************************************************************************
-void ADCAcquireStart(ProcessCallback _callback, uint32_t _period)
+void ADCAcquireStart(ProcessCallback _callback, uint32_t _period) // (called by MillisecStart)
 {
     //
     // Enable the ADC sequencers
-- 
cgit v1.3.1