stm32/stm32wlx: Add support for stm32wl55_cm4

board/stm32: Add support for GNSE (Generic Node Sensor Edition)

 Thanks to @jamestait for his help on GNSE port

README.md

@@ -43,7 +43,7 @@ See the [getting started instructions](https://tinygo.org/getting-started/) for
 
 You can compile TinyGo programs for microcontrollers, WebAssembly and Linux.
 
-The following 74 microcontroller boards are currently supported:
+The following 75 microcontroller boards are currently supported:
 
 * [Adafruit Circuit Playground Bluefruit](https://www.adafruit.com/product/4333)
 * [Adafruit Circuit Playground Express](https://www.adafruit.com/product/3333)
@@ -119,6 +119,7 @@ The following 74 microcontroller boards are currently supported:
 * [ST Micro STM32F103XX "Bluepill"](https://stm32-base.org/boards/STM32F103C8T6-Blue-Pill)
 * [ST Micro STM32F407 "Discovery"](https://www.st.com/en/evaluation-tools/stm32f4discovery.html)
 * [X9 Pro smartwatch](https://github.com/curtpw/nRF5x-device-reverse-engineering/tree/master/X9-nrf52832-activity-tracker/)
+* [The Things Industries Generic Node Sensor Edition](https://www.genericnode.com/docs/sensor-edition/)
 
 For more information, see [this list of boards](https://tinygo.org/microcontrollers/). Pull requests for additional support are welcome!
 

src/crypto/rand/rand_baremetal.go

@@ -1,5 +1,5 @@
-//go:build stm32wle5
-// +build stm32wle5
+//go:build stm32wlx
+// +build stm32wlx
 
 package rand
 

src/machine/board_gnse.go

@@ -0,0 +1,58 @@
+//go:build gnse
+// +build gnse
+
+package machine
+
+import (
+	"device/stm32"
+	"runtime/interrupt"
+)
+
+const (
+	LED_RED   = PB5
+	LED_GREEN = PB6
+	LED_BLUE  = PB7
+	LED1      = LED_RED   // Red
+	LED2      = LED_GREEN // Green
+	LED3      = LED_BLUE  // Blue
+	LED       = LED_GREEN // Default
+
+	BUTTON = PB3
+
+	// SPI0
+	SPI0_NSS_PIN = PA4
+	SPI0_SCK_PIN = PA5
+	SPI0_SDO_PIN = PA6
+	SPI0_SDI_PIN = PA7
+
+	//MCU USART2
+	UART2_RX_PIN = PA3
+	UART2_TX_PIN = PA2
+
+	// DEFAULT USART
+	UART_RX_PIN = UART2_RX_PIN
+	UART_TX_PIN = UART2_TX_PIN
+)
+
+var (
+	// STM32 UART2 is connected to the embedded STLINKV3 Virtual Com Port
+	UART0  = &_UART0
+	_UART0 = UART{
+		Buffer:            NewRingBuffer(),
+		Bus:               stm32.USART2,
+		TxAltFuncSelector: 7,
+		RxAltFuncSelector: 7,
+	}
+
+	DefaultUART = UART0
+
+	// SPI
+	SPI3 = SPI{
+		Bus: stm32.SPI3,
+	}
+)
+
+func init() {
+	// Enable UARTs Interrupts
+	UART0.Interrupt = interrupt.New(stm32.IRQ_USART2, _UART0.handleInterrupt)
+}

src/machine/i2c.go

@@ -1,5 +1,5 @@
-//go:build atmega || nrf || sam || (stm32 && !stm32wle5) || fe310 || k210 || rp2040
-// +build atmega nrf sam stm32,!stm32wle5 fe310 k210 rp2040
+//go:build atmega || nrf || sam || (stm32 && !stm32wlx) || fe310 || k210 || rp2040
+// +build atmega nrf sam stm32,!stm32wlx fe310 k210 rp2040
 
 package machine
 

src/machine/machine_stm32_exti_syscfg.go

@@ -1,5 +1,5 @@
-//go:build stm32 && !stm32f1 && !stm32l5 && !stm32wle5
-// +build stm32,!stm32f1,!stm32l5,!stm32wle5
+//go:build stm32 && !stm32f1 && !stm32l5 && !stm32wlx
+// +build stm32,!stm32f1,!stm32l5,!stm32wlx
 
 package machine
 

src/machine/machine_stm32_exti_syscfg_noenable.go

@@ -1,5 +1,5 @@
-//go:build stm32wle5
-// +build stm32wle5
+//go:build stm32wlx
+// +build stm32wlx
 
 package machine
 

src/machine/machine_stm32_gpio_reva.go

@@ -1,5 +1,5 @@
-//go:build stm32 && !stm32l4 && !stm32l5 && !stm32wle5
-// +build stm32,!stm32l4,!stm32l5,!stm32wle5
+//go:build stm32 && !stm32l4 && !stm32l5 && !stm32wlx
+// +build stm32,!stm32l4,!stm32l5,!stm32wlx
 
 package machine
 

src/machine/machine_stm32_gpio_revb_mp.go

@@ -1,5 +1,5 @@
-//go:build stm32wle5
-// +build stm32wle5
+//go:build stm32wlx
+// +build stm32wlx
 
 package machine
 

src/machine/machine_stm32wlx.go

@@ -1,5 +1,5 @@
-//go:build stm32wle5
-// +build stm32wle5
+//go:build stm32wlx
+// +build stm32wlx
 
 package machine
 

src/runtime/runtime_stm32wlx.go

@@ -1,5 +1,5 @@
-//go:build stm32wle5
-// +build stm32wle5
+//go:build stm32wlx
+// +build stm32wlx
 
 package runtime
 

targets/gnse.json

@@ -0,0 +1,12 @@
+{
+	"inherits": [
+		"stm32wl5x_cm4"
+	],
+	"build-tags": [
+		"gnse"
+	],
+	"serial": "uart",
+	"flash-method": "openocd",
+	"openocd-interface": "stlink",
+	"openocd-target": "stm32wlx"
+}

targets/nucleo-wl55jc.json

@@ -1,12 +1,11 @@
 {
 	"inherits": [
-		"stm32wle5"
+		"stm32wl5x_cm4"
 	],
 	"build-tags": [
 		"nucleowl55jc"
 	],
 	"serial": "uart",
-	"linkerscript": "targets/stm32wle5.ld",
 	"flash-method": "openocd",
 	"openocd-interface": "stlink",
 	"openocd-target": "stm32wlx"

targets/stm32wl5x_cm4.json

@@ -0,0 +1,8 @@
+{
+    "inherits": ["cortex-m4"],
+    "build-tags": [ "stm32wl5x_cm4","stm32wlx", "stm32"],
+    "extra-files": [
+      "src/device/stm32/stm32wl5x_cm4.s"
+    ],
+    "linkerscript": "targets/stm32wlx.ld"
+}

targets/stm32wle5.json

@@ -1,8 +1,8 @@
 {
     "inherits": ["cortex-m4"],
-    "build-tags": ["stm32wle5", "stm32"],
+    "build-tags": [ "stm32wle5","stm32wlx", "stm32"],
     "extra-files": [
       "src/device/stm32/stm32wle5.s"
     ],
-    "linkerscript": "targets/stm32wle5.ld"
+    "linkerscript": "targets/stm32wlx.ld"
 }