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

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