Merge pull request #45 from espressif/master

Final RMT fix

Author: Jason2866

cores/esp32/esp32-hal-gpio.c

@@ -510,4 +510,3 @@ extern int digitalRead(uint8_t pin) __attribute__ ((weak, alias("__digitalRead")
 extern void attachInterrupt(uint8_t pin, voidFuncPtr handler, int mode) __attribute__ ((weak, alias("__attachInterrupt")));
 extern void attachInterruptArg(uint8_t pin, voidFuncPtrArg handler, void * arg, int mode) __attribute__ ((weak, alias("__attachInterruptArg")));
 extern void detachInterrupt(uint8_t pin) __attribute__ ((weak, alias("__detachInterrupt")));
-

cores/esp32/esp32-hal-rmt.c

@@ -515,9 +515,9 @@ float rmtSetTick(rmt_obj_t* rmt, float tick)
 rmt_obj_t* rmtInit(int pin, bool tx_not_rx, rmt_reserve_memsize_t memsize)
 {
     int buffers = memsize;
-    rmt_obj_t* rmt;
-    size_t i;
-    size_t j;
+    rmt_obj_t* rmt = NULL;
+    size_t i = 0;
+    size_t j = 0;
 
     // create common block mutex for protecting allocs from multiple threads
     if (!g_rmt_block_lock) {

variants/adafruit_feather_esp32s2_reversetft/bootloader.bin

@@ -0,0 +1,11 @@
+# ESP-IDF Partition Table
+# Name,   Type, SubType, Offset,  Size, Flags
+# bootloader.bin,,          0x1000, 32K
+# partition table,          0x8000, 4K
+
+nvs,      data, nvs,      0x9000,  20K,
+otadata,  data, ota,      0xe000,  8K,
+ota_0,    0,    ota_0,   0x10000,  1408K,
+ota_1,    0,    ota_1,  0x170000,  1408K,
+uf2,      app,  factory,0x2d0000,  256K,
+ffat,     data, fat,    0x310000,  960K,

variants/adafruit_feather_esp32s2_reversetft/partitions.csv

@@ -0,0 +1,68 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+
+#define USB_VID            0x239A
+#define USB_PID            0x80ED
+#define USB_MANUFACTURER   "Adafruit"
+#define USB_PRODUCT        "Feather ESP32-S2 Reverse TFT"
+#define USB_SERIAL         "" // Empty string for MAC adddress
+
+
+#define EXTERNAL_NUM_INTERRUPTS 46
+#define NUM_DIGITAL_PINS        48
+#define NUM_ANALOG_INPUTS       20
+
+#define analogInputToDigitalPin(p)  (((p)<20)?(esp32_adc2gpio[(p)]):-1)
+#define digitalPinToInterrupt(p)    (((p)<48)?(p):-1)
+#define digitalPinHasPWM(p)         (p < 46)
+
+#define LED_BUILTIN     13
+
+#define PIN_NEOPIXEL        33
+#define NEOPIXEL_NUM        1     // number of neopixels
+#define NEOPIXEL_POWER      21    // power pin
+#define NEOPIXEL_POWER_ON   HIGH  // power pin state when on
+
+#define TFT_I2C_POWER  7
+#define TFT_CS         42
+#define TFT_RST        41
+#define TFT_DC         40
+#define TFT_BACKLITE   45
+
+static const uint8_t SDA = 3;
+static const uint8_t SCL = 4;
+
+static const uint8_t SS    = 42;
+static const uint8_t MOSI  = 35;
+static const uint8_t SCK   = 36;
+static const uint8_t MISO  = 37;
+
+static const uint8_t A0 = 18;
+static const uint8_t A1 = 17;
+static const uint8_t A2 = 16;
+static const uint8_t A3 = 15;
+static const uint8_t A4 = 14;
+static const uint8_t A5 = 8;
+
+static const uint8_t TX = 39;
+static const uint8_t RX = 38;
+static const uint8_t TX1 = 39;
+static const uint8_t RX1 = 38;
+
+static const uint8_t T5 = 5;
+static const uint8_t T6 = 6;
+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 DAC1 = 17;
+static const uint8_t DAC2 = 18;
+
+#endif /* Pins_Arduino_h */

variants/adafruit_feather_esp32s2_reversetft/pins_arduino.h

@@ -26,15 +26,16 @@
 #define NEOPIXEL_POWER      34    // power pin
 #define NEOPIXEL_POWER_ON   HIGH  // power pin state when on
 
-#define TFT_CS         42
-#define TFT_RST        41
-#define TFT_DC         40
+#define TFT_I2C_POWER  21
+#define TFT_CS          7
+#define TFT_RST        40
+#define TFT_DC         39
 #define TFT_BACKLITE   45
 
 static const uint8_t SDA = 42;
 static const uint8_t SCL = 41;
 
-static const uint8_t SS    = 21;
+static const uint8_t SS    = 7;
 static const uint8_t MOSI  = 35;
 static const uint8_t SCK   = 36;
 static const uint8_t MISO  = 37;

variants/adafruit_feather_esp32s2_reversetft/tinyuf2.bin

@@ -34,8 +34,8 @@ static const uint8_t SCL1 = 40;
 
 static const uint8_t SS    = 42;
 static const uint8_t MOSI  = 35;
-static const uint8_t SCK   = 34;
-static const uint8_t MISO  = 33;
+static const uint8_t SCK   = 36;
+static const uint8_t MISO  = 37;
 
 static const uint8_t A0 = 18;
 static const uint8_t A1 = 17;
@@ -48,6 +48,8 @@ static const uint8_t A7 = 16;
 
 static const uint8_t TX = 5;
 static const uint8_t RX = 16;
+#define TX1 TX
+#define RX1 RX
 
 static const uint8_t T5 = 5;
 static const uint8_t T6 = 6;