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fix ADC management for pure analog on GIGA#784

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Merged
facchinm merged 1 commit intoarduino:mainfromRocketct:master
Dec 4, 2023
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1 change: 1 addition & 0 deletionscores/arduino/Arduino.h
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Original file line numberDiff line numberDiff line change
Expand Up@@ -84,6 +84,7 @@ typedef struct _AnalogPinDescription AnalogPinDescription;
extern PinDescription g_APinDescription[];
extern AnalogPinDescription g_AAnalogPinDescription[];
extern AnalogPinDescription g_AAnalogOutPinDescription[];
extern AnalogPinDescription g_pureAAnalogPinDescription[];

#ifdef ANALOG_CONFIG
#include "hal/analogin_api.h"
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2 changes: 1 addition & 1 deletionvariants/GIGA/pins_arduino.h
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Expand Up@@ -20,7 +20,7 @@ extern PinName digitalPinToPinName(pin_size_t P);
// ----
#define PINS_COUNT (PINCOUNT_fn())
#define NUM_DIGITAL_PINS (103u)
#define NUM_ANALOG_INPUTS (14u)
#define NUM_ANALOG_INPUTS (10u) // these are analog pins that can also be used as digital
#define NUM_ANALOG_OUTPUTS (2u)

// LEDs
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15 changes: 8 additions & 7 deletionsvariants/GIGA/pure_analog_pins.cpp
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Expand Up@@ -2,19 +2,20 @@
#include "AnalogIn.h"
#include "pinDefinitions.h"

PureAnalogPin A8(8);
PureAnalogPin A9(9);
PureAnalogPin A10(10);
PureAnalogPin A11(11);
PureAnalogPin A8(0);
PureAnalogPin A9(1);
PureAnalogPin A10(2);
PureAnalogPin A11(3);


int getAnalogReadResolution();

int analogRead(PureAnalogPin pin) {
mbed::AnalogIn* adc =g_AAnalogPinDescription[pin.get()].adc;
auto name =g_AAnalogPinDescription[pin.get()].name;
mbed::AnalogIn* adc =g_pureAAnalogPinDescription[pin.get()].adc;
auto name =g_pureAAnalogPinDescription[pin.get()].name;
if (adc == NULL) {
adc = new mbed::AnalogIn(name);
g_AAnalogPinDescription[pin.get()].adc = adc;
g_pureAAnalogPinDescription[pin.get()].adc = adc;
}
return (adc->read_u16() >> (16 - getAnalogReadResolution()));
}
7 changes: 5 additions & 2 deletionsvariants/GIGA/variant.cpp
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Expand Up@@ -12,12 +12,15 @@ AnalogPinDescription g_AAnalogPinDescription[] = {
{ PC_2, NULL }, // A5 ADC1_INP12
{ PC_0, NULL }, // A6 ADC1_INP10
{ PA_0, NULL }, // A7 ADC1_INP16
{ PA_4, NULL }, // A12 DAC1_OUT1
{ PA_5, NULL }, // A13 DAC1_OUT2
};

AnalogPinDescription g_pureAAnalogPinDescription[] = {
{ PC_2C, NULL }, // A8 ADC3_INP0
{ PC_3C, NULL }, // A9 ADC3_INP1
{ PA_1C, NULL }, // A10 ADC2_INP1
{ PA_0C, NULL }, // A11 ADC2_INP0
{ PA_4, NULL }, // A12 DAC1_OUT1
{ PA_5, NULL }, // A13 DAC1_OUT2
};

AnalogPinDescription g_AAnalogOutPinDescription[] = {
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