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STM32 ADCee highestPin

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This commit is contained in:
pmantoine 2023-06-19 17:47:42 +08:00
parent d5dad767a4
commit c3eb6b8d8a
3 changed files with 14 additions and 10 deletions
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2
DCCTimerAVR.cpp
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@ -199,7 +199,7 @@ void ADCee::scan() {
waiting = false; waiting = false;
id++; id++;
mask = mask << 1; mask = mask << 1;
if (id > highestPin) { // the 1 has been shifted out if (id > highestPin) {
id = 0; id = 0;
mask = 1; mask = 1;
} }

12
DCCTimerSTM32.cpp
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@ -233,13 +233,16 @@ void DCCTimer::reset() {
while(true) {}; while(true) {};
} }
#define NUM_ADC_INPUTS NUM_ANALOG_INPUTS
// TODO: may need to use uint32_t on STMF4xx variants with > 16 analog inputs! // TODO: may need to use uint32_t on STMF4xx variants with > 16 analog inputs!
#if defined(ARDUINO_NUCLEO_F446RE) || defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F446ZE) #if defined(ARDUINO_NUCLEO_F446RE) || defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F446ZE)
#warning STM32 board selected not fully supported - only use ADC1 inputs 0-15 for current sensing! #warning STM32 board selected not fully supported - only use ADC1 inputs 0-15 for current sensing!
#endif #endif
// For now, define the max of 16 ports - some variants have more, but this not **yet** supported
#define NUM_ADC_INPUTS 16
// #define NUM_ADC_INPUTS NUM_ANALOG_INPUTS
uint16_t ADCee::usedpins = 0; uint16_t ADCee::usedpins = 0;
uint8_t ADCee::highestPin = 0;
int * ADCee::analogvals = NULL; int * ADCee::analogvals = NULL;
uint32_t * analogchans = NULL; uint32_t * analogchans = NULL;
bool adc1configured = false; bool adc1configured = false;
@ -310,6 +313,7 @@ int ADCee::init(uint8_t pin) {
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
if (id > highestPin) highestPin = id; // Store our highest pin in use
DIAG(F("ADCee::init(): value=%d, channel=%d, id=%d"), value, adcchan, id); DIAG(F("ADCee::init(): value=%d, channel=%d, id=%d"), value, adcchan, id);
@ -352,7 +356,7 @@ void ADCee::scan() {
waiting = false; waiting = false;
id++; id++;
mask = mask << 1; mask = mask << 1;
if (mask == 0) { // the 1 has been shifted out if (id > highestPin) { // the 1 has been shifted out
id = 0; id = 0;
mask = 1; mask = 1;
} }
@ -374,7 +378,7 @@ void ADCee::scan() {
} }
id++; id++;
mask = mask << 1; mask = mask << 1;
if (mask == 0) { // the 1 has been shifted out if (id > highestPin) {
id = 0; id = 0;
mask = 1; mask = 1;
} }

2
platformio.ini
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@ -188,7 +188,7 @@ platform = ststm32
board = nucleo_f446re board = nucleo_f446re
framework = arduino framework = arduino
lib_deps = ${env.lib_deps} lib_deps = ${env.lib_deps}
build_flags = -std=c++17 -Os -g2 -Wunused-variable -DDIAG_LOOPTIMES ; -DDIAG_IO build_flags = -std=c++17 -Os -g2 -Wunused-variable ; -DDIAG_LOOPTIMES ; -DDIAG_IO
monitor_speed = 115200 monitor_speed = 115200
monitor_echo = yes monitor_echo = yes