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STM32: Use predefined function for pinnames

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This commit is contained in:
Harald Barth 2023-04-08 23:33:33 +02:00
parent 0d82370380
commit 9b7d1ae858
1 changed files with 6 additions and 5 deletions
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9
DCCTimerSTM32.cpp
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@ -237,9 +237,8 @@ int16_t ADCee::ADCmax() {
} }
int ADCee::init(uint8_t pin) { int ADCee::init(uint8_t pin) {
uint id = pin - A0;
int value = 0; int value = 0;
PinName stmpin = digitalPin[analogInputPin[id]]; PinName stmpin = analogInputToPinName(pin);
uint32_t stmgpio = stmpin / 16; // 16-bits per GPIO port group on STM32 uint32_t stmgpio = stmpin / 16; // 16-bits per GPIO port group on STM32
uint32_t adcchan = STM_PIN_CHANNEL(pinmap_function(stmpin, PinMap_ADC)); // find ADC channel (only valid for ADC1!) uint32_t adcchan = STM_PIN_CHANNEL(pinmap_function(stmpin, PinMap_ADC)); // find ADC channel (only valid for ADC1!)
GPIO_TypeDef * gpioBase; GPIO_TypeDef * gpioBase;
@ -280,6 +279,8 @@ int ADCee::init(uint8_t pin) {
analogvals = (int *)calloc(NUM_ADC_INPUTS+1, sizeof(int)); analogvals = (int *)calloc(NUM_ADC_INPUTS+1, sizeof(int));
analogchans = (uint32_t *)calloc(NUM_ADC_INPUTS+1, sizeof(uint32_t)); analogchans = (uint32_t *)calloc(NUM_ADC_INPUTS+1, sizeof(uint32_t));
} }
uint8_t id = pin - PNUM_ANALOG_BASE;
analogvals[id] = value; // Store sampled value analogvals[id] = value; // Store sampled value
analogchans[id] = adcchan; // Keep track of which ADC channel is used for reading this pin analogchans[id] = adcchan; // Keep track of which ADC channel is used for reading this pin
usedpins |= (1 << id); // This pin is now ready usedpins |= (1 << id); // This pin is now ready
@ -291,7 +292,7 @@ int ADCee::init(uint8_t pin) {
* Read function ADCee::read(pin) to get value instead of analogRead(pin) * Read function ADCee::read(pin) to get value instead of analogRead(pin)
*/ */
int ADCee::read(uint8_t pin, bool fromISR) { int ADCee::read(uint8_t pin, bool fromISR) {
uint8_t id = pin - A0; uint8_t id = pin - PNUM_ANALOG_BASE;
// Was this pin initialised yet? // Was this pin initialised yet?
if ((usedpins & (1<<id) ) == 0) if ((usedpins & (1<<id) ) == 0)
return -1023; return -1023;
@ -306,7 +307,7 @@ int ADCee::read(uint8_t pin, bool fromISR) {
#pragma GCC push_options #pragma GCC push_options
#pragma GCC optimize ("-O3") #pragma GCC optimize ("-O3")
void ADCee::scan() { void ADCee::scan() {
static uint id = 0; // id and mask are the same thing but it is faster to static uint8_t id = 0; // id and mask are the same thing but it is faster to
static uint16_t mask = 1; // increment and shift instead to calculate mask from id static uint16_t mask = 1; // increment and shift instead to calculate mask from id
static bool waiting = false; static bool waiting = false;