STM32G4: standard pin names

Author: jeromecoutant

targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G431xB/TARGET_NUCLEO_G431KB/PinNames.h

@@ -31,12 +31,9 @@ typedef enum {
     ALT0  = 0x100,
     ALT1  = 0x200,
     ALT2  = 0x300,
-    ALT3  = 0x400,
-    ALT4  = 0x500
 } ALTx;
 
 typedef enum {
-
     PA_0       = 0x00,
     PA_0_ALT0  = PA_0  | ALT0, // same pin used for alternate HW
     PA_1       = 0x01,
@@ -98,69 +95,43 @@ typedef enum {
     ADC_VREF = 0xF1, // Internal pin virtual value
     ADC_VBAT = 0xF2, // Internal pin virtual value
 
-    // Arduino Uno(Rev3) Header pin connection naming
-    // Not autogenerated - manually added
-    A0          = PA_0,
-    A1          = PA_1,
-    A2          = PA_3,
-    A3          = PA_4,
-    A4          = PB_7,   // or PA_5 according to NUCLEO_G431KB manual (solder bridge?)
-    A5          = PA_15,  // or PA_6 according to NUCLEO_G431KB manual
-    A6          = PA_7,
-    A7          = PA_2,
-
-    D0          = PA_10,
-    D1          = PA_9,
-    D2          = PA_12,
-    D3          = PB_0,
-    D4          = PB_7,
-    D5          = PA_15,
-    D6          = PB_6,
-    D7          = PF_0,
-    D8          = PF_1,
-    D9          = PA_8,
-    D10         = PA_11,
-    D11         = PB_5,
-    D12         = PB_4,
-    D13         = PB_3,  // or PB_8 according to NUCLEO_G431KB manual
-    D14         = PB_4,  // WARNING: Dummy adds (There is no D14,D15 on 431KB)
-    D15         = PB_3,  // WARNING: However, without these 2 dummies compilation fails. Remove to see error.
+    // Arduino Nano pins
+    A0  = PA_0,
+    A1  = PA_1,
+    A2  = PA_3,
+    A3  = PA_4,
+    A4  = PB_7,  // or PA_5 according to NUCLEO_G431KB manual
+    A5  = PA_15,  // or PA_6 according to NUCLEO_G431KB manual
+    A6  = PA_7,
+    A7  = PA_2,
+
+    D0  = PA_10,
+    D1  = PA_9,
+    D2  = PA_12,
+    D3  = PB_0,
+    D4  = PB_7,
+    D5  = PA_15,
+    D6  = PB_6,
+    D7  = PF_0,
+    D8  = PF_1,
+    D9  = PA_8,
+    D10 = PA_11,
+    D11 = PB_5,
+    D12 = PB_4,
+    D13 = PB_3,  // or PB_8 according to NUCLEO_G431KB manual
 
     // STDIO for console print
-    // Error in autogenerated file (TX is autogenerated as PA_3, RX as PA_2, which is wrong (mirrored))
 #ifdef MBED_CONF_TARGET_STDIO_UART_TX
-    STDIO_UART_TX = MBED_CONF_TARGET_STDIO_UART_TX,
+    CONSOLE_TX = MBED_CONF_TARGET_STDIO_UART_TX,
 #else
-    STDIO_UART_TX = PA_2,
+    CONSOLE_TX = PA_2,
 #endif
 #ifdef MBED_CONF_TARGET_STDIO_UART_RX
-    STDIO_UART_RX = MBED_CONF_TARGET_STDIO_UART_RX,
+    CONSOLE_RX = MBED_CONF_TARGET_STDIO_UART_RX,
 #else
-    STDIO_UART_RX = PA_3,
+    CONSOLE_RX = PA_3,
 #endif
 
-    CONSOLE_TX = STDIO_UART_TX, // used for greentea tests
-    CONSOLE_RX = STDIO_UART_RX, // used for greentea tests
-
-    // I2C signals aliases
-    // Error in autogenerated file. D14,D15 does not exist on 431KB
-    I2C_SDA = PB_7,
-    I2C_SCL = PA_15,
-
-    // SPI signals aliases
-    SPI_CS   = D10,
-    SPI_MOSI = D11,
-    SPI_MISO = D12,
-    SPI_SCK  = D13,
-
-    // Standardized LED and button names
-    LED1    = PB_8, // LD2 [green]
-//    BUTTON1 = Px_x,
-
-    // Backward legacy names
-//    USER_BUTTON = BUTTON1,
-    PWM_OUT = D3,
-
     /**** USB pins ****/
     USB_DM = PA_11,
     USB_DP = PA_12,
@@ -183,6 +154,9 @@ typedef enum {
     NC = (int)0xFFFFFFFF
 } PinName;
 
+// Standardized LED and button names
+#define LED1     PB_8  // LD2 [green]
+
 #ifdef __cplusplus
 }
 #endif