add TAMC Termod S3 (#7217)

Co-authored-by: Jan Procházka <90197375+P-R-O-C-H-Y@users.noreply.github.com>

variants/tamc_termod_s3/pins_arduino.h

+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+#include "soc/soc_caps.h"
+
+#define USB_VID 0x303a
+#define USB_PID 0x1001
+
+#define EXTERNAL_NUM_INTERRUPTS 46
+#define NUM_DIGITAL_PINS        48
+#define NUM_ANALOG_INPUTS       20
+
+// Some boards have too low voltage on this pin (board design bug)
+// Use different pin with 3V and connect with 48
+// and change this setup for the chosen pin (for example 38)
+static const uint8_t LED_BUILTIN = SOC_GPIO_PIN_COUNT+48;
+#define BUILTIN_LED  LED_BUILTIN // backward compatibility
+#define LED_BUILTIN LED_BUILTIN
+#define RGB_BUILTIN LED_BUILTIN
+#define RGB_BRIGHTNESS 64
+
+#define analogInputToDigitalPin(p)  (((p)<20)?(analogChannelToDigitalPin(p)):-1)
+#define digitalPinToInterrupt(p)    (((p)<48)?(p):-1)
+#define digitalPinHasPWM(p)         (p < 46)
+
+static const uint8_t TX = 43;
+static const uint8_t RX = 44;
+
+static const uint8_t SDA = 8;
+static const uint8_t SCL = 9;
+
+static const uint8_t SS    = 10;
+static const uint8_t MOSI  = 11;
+static const uint8_t MISO  = 13;
+static const uint8_t SCK   = 12;
+
+static const uint8_t A0 = 1;
+static const uint8_t A1 = 2;
+static const uint8_t A2 = 3;
+static const uint8_t A3 = 4;
+static const uint8_t A4 = 5;
+static const uint8_t A5 = 6;
+static const uint8_t A6 = 7;
+static const uint8_t A7 = 8;
+static const uint8_t A8 = 9;
+static const uint8_t A9 = 10;
+static const uint8_t A10 = 11;
+static const uint8_t A11 = 12;
+static const uint8_t A12 = 13;
+static const uint8_t A13 = 14;
+static const uint8_t A14 = 15;
+static const uint8_t A15 = 16;
+static const uint8_t A16 = 17;
+static const uint8_t A17 = 18;
+static const uint8_t A18 = 19;
+static const uint8_t A19 = 20;
+
+static const uint8_t T1 = 1;
+static const uint8_t T2 = 2;
+static const uint8_t T3 = 3;
+static const uint8_t T4 = 4;
+static const uint8_t T5 = 5;
+static const uint8_t T6 = 6;
+static const uint8_t T7 = 7;
+static const uint8_t T8 = 8;
+static const uint8_t T9 = 9;
+static const uint8_t T10 = 10;
+static const uint8_t T11 = 11;
+static const uint8_t T12 = 12;
+static const uint8_t T13 = 13;
+static const uint8_t T14 = 14;
+
+static const uint8_t BAT_LV   =  1;
+static const uint8_t CHG      =  2;
+static const uint8_t TFT_CS   = 10;
+static const uint8_t TFT_DC   = 18;
+static const uint8_t TFT_RST  = 14;
+static const uint8_t TFT_BCKL = 48; // TFT Backlight is enabled by soldering JP2 together
+static const uint8_t SD_CS    = 21;
+static const uint8_t SD_CD    = 47; // uSD Card Detect is enabled by soldering JP1 together.
+
+#define DISPLAY_PORTRAIT 2
+#define DISPLAY_LANDSCAPE 3
+#define DISPLAY_PORTRAIT_FLIP 0
+#define DISPLAY_LANDSCAPE_FLIP 1
+
+#define DISPLAY_WIDTH  240
+#define DISPLAY_HEIGHT 320
+
+/**
+ * Get battery voltage in volts
+ * @return          Battery voltage in volts
+ */
+float getBatteryVoltage();
+/**
+ * Get battery level in percent
+ * @return          Battery level in percent(0-100)
+ */
+float getBatteryCapacity();
+/**
+ * Get battery charge state
+ * @return          Battery charge state(true=charging, false=not charging)
+ */
+bool getChargingState();
+/**
+ * Set on charge start callback
+ * @param func  On charge start Callback function
+ */
+void setOnChargeStart(void (*func)());
+/**
+ * Set on charge end callback
+ * @param func  On charge end Callback function
+ */
+void setOnChargeEnd(void (*func)());
+
+#endif /* Pins_Arduino_h */

variants/tamc_termod_s3/variant.cpp

+#include "Arduino.h"
+
+float getBatteryVoltage() {
+  int analogVolt = analogReadMilliVolts(1); 
+  float voltage = analogVolt / 1000.0;
+  voltage = voltage * (100.0+200.0) / 200.0;
+  return voltage;
+}
+
+float getBatteryCapacity() {
+  float voltage = getBatteryVoltage();
+  float capacity = (voltage - 3.3) / (4.2 - 3.3) * 100.0;
+  capacity = constrain(capacity, 0, 100);
+  return capacity;
+}
+
+bool getChargingState() {
+  pinMode(CHG, INPUT_PULLUP);
+  return !digitalRead(CHG);
+}
+
+void (*__onChargeStart__)();
+void (*__onChargeEnd__)();
+void setOnChargeStart(void (*func)()) { __onChargeStart__ = func; }
+void setOnChargeEnd(void (*func)()) { __onChargeEnd__ = func; }
+
+void ARDUINO_ISR_ATTR chargeIsr() {
+  if (getChargingState()) {
+    __onChargeStart__();
+  } else {
+    __onChargeEnd__();
+  }
+}
+
+extern "C" void initVariant(void){
+  attachInterrupt(CHG, chargeIsr, CHANGE);
+  analogReadResolution(12);
+}