Add board support for ESP32-C3-12f Kit

Author: zdima

src/machine/board_esp32c3-12f.go

@@ -0,0 +1,49 @@
+//go:build esp32c312f
+// +build esp32c312f
+
+package machine
+
+// Built-in RGB LED
+const (
+	LED_RED   = IO3
+	LED_GREEN = IO4
+	LED_BLUE  = IO5
+	LED       = LED_RED
+)
+
+const (
+	IO0  Pin = 0
+	IO1  Pin = 1
+	IO10 Pin = 10
+	IO18 Pin = 18
+	IO19 Pin = 19
+	IO2  Pin = 2
+	IO3  Pin = 3
+	IO4  Pin = 4
+	IO5  Pin = 5
+	IO6  Pin = 6
+	IO7  Pin = 7
+	IO8  Pin = 8
+	IO9  Pin = 9
+	RXD  Pin = 20
+	TXD  Pin = 21
+)
+
+// ADC pins
+const (
+	ADC0 Pin = ADC1_0
+	ADC1 Pin = ADC2_0
+
+	ADC1_0 Pin = IO0
+	ADC1_1 Pin = IO1
+	ADC1_2 Pin = IO2
+	ADC1_3 Pin = IO3
+	ADC1_4 Pin = IO4
+	ADC2_0 Pin = IO5
+)
+
+// UART0 pins
+const (
+	UART_TX_PIN = TXD
+	UART_RX_PIN = RXD
+)

targets/esp32c3-12f.json

@@ -0,0 +1,5 @@
+{
+	"inherits": ["esp32c3"],
+	"build-tags": ["esp32c312f", "esp32c3", "esp"]
+}
+