machine/esp32, targets/esp32: correct board definitions for actual boards not processor variants, also define all labeled pins

Signed-off-by: deadprogram <ron@hybridgroup.com>

Makefile

@@ -363,7 +363,7 @@ ifneq ($(AVR), 0)
 	@$(MD5SUM) test.hex
 endif
 ifneq ($(XTENSA), 0)
-	$(TINYGO) build -size short -o test.bin -target=esp32-wroom-32      examples/blinky1
+	$(TINYGO) build -size short -o test.bin -target=esp32-mini32      	examples/blinky1
 	@$(MD5SUM) test.bin
 	$(TINYGO) build -size short -o test.bin -target=nodemcu             examples/blinky1
 	@$(MD5SUM) test.bin

src/machine/board_esp32-coreboard-v2.go

@@ -0,0 +1,88 @@
+// +build esp32_coreboard_v2
+
+package machine
+
+// Built-in LED on some ESP32 boards.
+const LED = IO2
+
+const (
+	CLK  Pin = 6
+	CMD  Pin = 11
+	IO0  Pin = 0
+	IO1  Pin = 1
+	IO10 Pin = 10
+	IO16 Pin = 16
+	IO17 Pin = 17
+	IO18 Pin = 18
+	IO19 Pin = 19
+	IO2  Pin = 2
+	IO21 Pin = 21
+	IO22 Pin = 22
+	IO23 Pin = 23
+	IO25 Pin = 25
+	IO26 Pin = 26
+	IO27 Pin = 27
+	IO3  Pin = 3
+	IO32 Pin = 32
+	IO33 Pin = 33
+	IO34 Pin = 34
+	IO35 Pin = 35
+	IO36 Pin = 36
+	IO39 Pin = 39
+	IO4  Pin = 4
+	IO5  Pin = 5
+	IO9  Pin = 9
+	RXD  Pin = 3
+	SD0  Pin = 7
+	SD1  Pin = 8
+	SD2  Pin = 9
+	SD3  Pin = 10
+	SVN  Pin = 39
+	SVP  Pin = 36
+	TCK  Pin = 13
+	TD0  Pin = 15
+	TDI  Pin = 12
+	TMS  Pin = 14
+	TXD  Pin = 1
+)
+
+// SPI pins
+const (
+	SPI0_SCK_PIN = IO18
+	SPI0_SDO_PIN = IO23
+	SPI0_SDI_PIN = IO19
+	SPI0_CS0_PIN = IO5
+)
+
+// I2C pins
+const (
+	SDA_PIN = IO21
+	SCL_PIN = IO22
+)
+
+// ADC pins
+const (
+	ADC0 Pin = IO34
+	ADC1 Pin = IO35
+	ADC2 Pin = IO36
+	ADC3 Pin = IO39
+)
+
+// UART0 pins
+const (
+	UART_TX_PIN = IO1
+	UART_RX_PIN = IO3
+)
+
+// UART1 pins
+const (
+	UART1_TX_PIN = IO9
+	UART1_RX_PIN = IO10
+)
+
+// PWM pins
+const (
+	PWM0_PIN Pin = IO2
+	PWM1_PIN Pin = IO0
+	PWM2_PIN Pin = IO4
+)

src/machine/board_esp32-wroom-32.go

@@ -1,6 +0,0 @@
-// +build esp32_wroom_32
-
-package machine
-
-// Blue LED on the ESP32-WROOM-32 module.
-const LED = Pin(2)

targets/esp32-coreboard-v2.json

@@ -0,0 +1,4 @@
+{
+	"inherits": ["esp32"],
+	"build-tags": ["esp32_coreboard_v2"]
+}

targets/esp32-mini32.json

@@ -0,0 +1,3 @@
+{
+	"inherits": ["esp32-coreboard-v2"]
+}

targets/esp32-wroom-32.json

@@ -1,4 +0,0 @@
-{
-	"inherits": ["esp32"],
-	"build-tags": ["esp32_wroom_32"]
-}