create generic targets for esp32 boards

src/machine/board_esp32-generic.go

@@ -0,0 +1,9 @@
+//go:build esp32_generic
+
+package machine
+
+// I2C pins
+const (
+	SDA_PIN = NoPin
+	SCL_PIN = NoPin
+)

src/machine/board_esp32c3-generic.go

@@ -0,0 +1,8 @@
+//go:build esp32c3_generic
+
+package machine
+
+const (
+	SDA_PIN = NoPin
+	SCL_PIN = NoPin
+)

src/machine/board_esp32s3-generic.go

@@ -0,0 +1,18 @@
+//go:build esp32s3_generic
+
+package machine
+
+const (
+	SCL_PIN = NoPin
+	SDA_PIN = NoPin
+
+	SPI1_SCK_PIN  = NoPin // SCK
+	SPI1_MOSI_PIN = NoPin // SDO (MOSI)
+	SPI1_MISO_PIN = NoPin // SDI (MISO)
+	SPI1_CS_PIN   = NoPin // CS
+
+	SPI2_SCK_PIN  = NoPin // SCK
+	SPI2_MOSI_PIN = NoPin // SDO (MOSI)
+	SPI2_MISO_PIN = NoPin // SDI (MISO)
+	SPI2_CS_PIN   = NoPin // CS
+)

src/machine/board_esp32s3-wroom1.go

@@ -1,18 +0,0 @@
-//go:build esp32s3_wroom1
-
-package machine
-
-const (
-	SCL_PIN = GPIO17
-	SDA_PIN = GPIO18
-
-	SPI1_SCK_PIN  = GPIO12 // SCK
-	SPI1_MOSI_PIN = GPIO11 // SDO (MOSI)
-	SPI1_MISO_PIN = GPIO13 // SDI (MISO)
-	SPI1_CS_PIN   = GPIO10 // CS
-
-	SPI2_SCK_PIN  = GPIO36 // SCK
-	SPI2_MOSI_PIN = GPIO35 // SDO (MOSI)
-	SPI2_MISO_PIN = GPIO37 // SDI (MISO)
-	SPI2_CS_PIN   = GPIO34 // CS
-)