add feather esp32 v2 and qtpy c3 board def (#6223)

* add feather esp32 v2 and qtpy c3 board def
update some pin names
add variant.cpp's to auto-enable i2c, tft, neopixels on boot

* add auto-enable for i2c!

variants/adafruit_feather_esp32_v2/pins_arduino.h

+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define EXTERNAL_NUM_INTERRUPTS 16
+#define NUM_DIGITAL_PINS        40
+#define NUM_ANALOG_INPUTS       16
+
+#define analogInputToDigitalPin(p)  (((p)<20)?(esp32_adc2gpio[(p)]):-1)
+#define digitalPinToInterrupt(p)    (((p)<40)?(p):-1)
+#define digitalPinHasPWM(p)         (p < 34)
+
+static const uint8_t LED_BUILTIN = 13;
+#define BUILTIN_LED  LED_BUILTIN // backward compatibility
+#define LED_BUILTIN LED_BUILTIN
+
+static const uint8_t TX = 7;
+static const uint8_t RX = 8;
+static const uint8_t TX1 = 7;
+static const uint8_t RX1 = 8;
+
+static const uint8_t SDA = 22;
+static const uint8_t SCL = 20;
+
+static const uint8_t SS    = 33;
+static const uint8_t MOSI  = 19;
+static const uint8_t MISO  = 21;
+static const uint8_t SCK   = 5;
+
+// mapping to match other feathers and also in order
+static const uint8_t A0 = 26; 
+static const uint8_t A1 = 25;
+static const uint8_t A2 = 34;
+static const uint8_t A3 = 39;
+static const uint8_t A4 = 36;
+static const uint8_t A5 = 4;
+static const uint8_t A6 = 14;
+static const uint8_t A7 = 32;
+static const uint8_t A8 = 15;
+static const uint8_t A9 = 33;
+static const uint8_t A10 = 27;
+static const uint8_t A11 = 12;
+static const uint8_t A12 = 13;
+
+// vbat measure
+static const uint8_t BATT_MONITOR = 35;
+static const uint8_t A13 = 35;
+
+// internal switch
+static const uint8_t BUTTON = 38;
+
+// Neopixel
+static const uint8_t NEOPIXEL_PIN = 0;
+
+// Neopixel & I2C power
+static const uint8_t NEOPIXEL_I2C_POWER = 2;
+
+static const uint8_t T0 = 4;
+static const uint8_t T1 = 0;
+static const uint8_t T2 = 2;
+static const uint8_t T3 = 15;
+static const uint8_t T4 = 13;
+static const uint8_t T5 = 12;
+static const uint8_t T6 = 14;
+static const uint8_t T7 = 27;
+static const uint8_t T8 = 33;
+static const uint8_t T9 = 32;
+
+static const uint8_t DAC1 = 25;
+static const uint8_t DAC2 = 26;
+
+#endif /* Pins_Arduino_h */

variants/adafruit_feather_esp32_v2/variant.cpp

+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Ha Thach (tinyusb.org) for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#include "esp32-hal-gpio.h"
+#include "pins_arduino.h"
+
+extern "C" {
+
+// Initialize variant/board, called before setup()
+void initVariant(void)
+{
+  // This board has a power control pin, and we must set it to output and high
+  // in order to enable the NeoPixels & I2C
+  pinMode(NEOPIXEL_I2C_POWER, OUTPUT);
+  digitalWrite(NEOPIXEL_I2C_POWER, HIGH);
+}
+
+}

variants/adafruit_feather_esp32s2/pins_arduino.h

@@ -26,6 +26,7 @@
 #define NEOPIXEL_POWER      21    // power pin
 #define NEOPIXEL_POWER_ON   HIGH  // power pin state when on
 #define I2C_POWER           7     // I2C power pin
+#define PIN_I2C_POWER       7     // I2C power pin
 
 static const uint8_t SDA = 3;
 static const uint8_t SCL = 4;

variants/adafruit_qtpy_esp32/pins_arduino.h

@@ -11,14 +11,14 @@
 #define digitalPinToInterrupt(p)    (((p)<40)?(p):-1)
 #define digitalPinHasPWM(p)         (p < 34)
 
-static const uint8_t NEOPIXEL = 5;
+static const uint8_t PIN_NEOPIXEL = 5;
 static const uint8_t NEOPIXEL_POWER = 8;
 
 static const uint8_t TX = 32;
 static const uint8_t RX = 7;
 
-static const uint8_t TX1 = 32;
-static const uint8_t RX1 = 7;
+#define TX1 32
+#define RX1 7
 
 static const uint8_t SDA = 25;
 static const uint8_t SCL = 33;
@@ -43,7 +43,7 @@ static const uint8_t A8 = 14;
 static const uint8_t A9 = 12;
 static const uint8_t A10 = 13;
 
-static const uint8_t SWITCH = 0;
+static const uint8_t BUTTON = 0;
 
 static const uint8_t T0 = 4;
 static const uint8_t T3 = 15;

variants/adafruit_qtpy_esp32/variant.cpp

+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Ha Thach (tinyusb.org) for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#include "esp32-hal-gpio.h"
+#include "pins_arduino.h"
+
+extern "C" {
+
+// Initialize variant/board, called before setup()
+void initVariant(void)
+{
+  // This board has a power control pin, and we must set it to output and high
+  // in order to enable the NeoPixels.
+  pinMode(NEOPIXEL_POWER, OUTPUT);
+  digitalWrite(NEOPIXEL_POWER, HIGH);
+}
+
+}

variants/adafruit_qtpy_esp32c3/pins_arduino.h

+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define EXTERNAL_NUM_INTERRUPTS 22
+#define NUM_DIGITAL_PINS        22
+#define NUM_ANALOG_INPUTS       6
+
+#define analogInputToDigitalPin(p)  (((p)<NUM_ANALOG_INPUTS)?(esp32_adc2gpio[(p)]):-1)
+#define digitalPinToInterrupt(p)    (((p)<NUM_DIGITAL_PINS)?(p):-1)
+#define digitalPinHasPWM(p)         (p < EXTERNAL_NUM_INTERRUPTS)
+
+static const uint8_t SWITCH = 9;
+static const uint8_t NEOPIXEL_PIN = 2;
+
+static const uint8_t TX = 21;
+static const uint8_t RX = 20;
+
+static const uint8_t SDA = 5;
+static const uint8_t SCL = 6;
+
+static const uint8_t SS    = 6;
+static const uint8_t MOSI  = 7;
+static const uint8_t MISO  = 8;
+static const uint8_t SCK   = 10;
+
+static const uint8_t A0 = 4;
+static const uint8_t A1 = 3;
+static const uint8_t A2 = 1;
+static const uint8_t A3 = 0;
+static const uint8_t A4 = 5;
+
+#endif /* Pins_Arduino_h */

variants/feather_esp32/pins_arduino.h

@@ -45,14 +45,13 @@ static const uint8_t A11 = 12;
 static const uint8_t A12 = 13;
 
 // vbat measure
+static const uint8_t BATT_MONITOR = 35;
 static const uint8_t A13 = 35;
 //static const uint8_t Ax = 0; // not used/available
 //static const uint8_t Ax = 2; // not used/available
 
 
 static const uint8_t T0 = 4;
-static const uint8_t T1 = 0;
-static const uint8_t T2 = 2;
 static const uint8_t T3 = 15;
 static const uint8_t T4 = 13;
 static const uint8_t T5 = 12;