Audio reactive usermod: add pio.ini build flags defaults (⎌) for mclk, sda and scl (if set)
4ld usermod:
- if pio.ini build flags not set, make them -1 (undefined is even better but then problems with allocate pins, to be done later)
- pio.ini build flags defaults (⎌) different if spi (clockspi and mosispi instead of scl and sda)
- add pio.ini build flags defaults (⎌) for SPI CS, DC and RESET
- shorten oappend MM function names
- add aOpt: analog options only
- add pin 17 for esp8266 (analog pin)
- add a.pins array to show analog pins in pin dropdown
* Additional functions: isPinPWM, isPinINT
* aliases: PM_ADC1 instead of PinManagerClass::ADC1
* make getADCPin work on "classic ESP32"
--> Tested and works on 8266, ESP32 (default platform), ESP32 (V4 Platform). ESP32-S3, ESP32-S2, ESP32-C3
bool isPinTouch(int gpio); // true if gpio supports touch functions
bool isPinAnalog(int gpio); // true if gpio supports analogRead
bool isPinADC1(int gpio); // true if gpio supports analogRead, and it belongs to ADC unit 1
bool isPinADC2(int gpio); // true if gpio supports analogRead, and it belongs to ADC unit 2
#define PM_NO_PIN 255
typedef enum { ADC_none = 0, ADC1 = 1, ADC2 = 2 } AdcIdentifier;
uint8_t getADCPin(AdcIdentifier adcUnit, uint8_t adcPort); // get GPIO number for ADC unit x, channel y. 255 = no such pin
* pulser bugfix: " % cols" was missing so the effect would simply run out of visible range
* float math: use optimized functions: sqrtf, fabsf
* two more comments where code could be optimized, but I'm not sure what is thecorrect solution
some optimizations for -C3.
* skip every second FFT, and use interpolation instead.
* reduce sampling rate from 22Khz to 18Khz
* new debug measurement for I2S cycle times (FFTTask)
--> in total, this brings CPU load for sound processing down to 60% (from >100% previously)
