Define STM32F1 GPIO for the preprocessor (#14785)

Marlin/src/HAL/HAL_STM32F1/fastio_STM32F1.h

@@ -56,3 +56,130 @@
 #define extDigitalRead(IO)    digitalRead(IO)
 #define extDigitalWrite(IO,V) digitalWrite(IO,V)
 
+//
+// Pins Definitions
+//
+#define PA0  0x00
+#define PA1  0x01
+#define PA2  0x02
+#define PA3  0x03
+#define PA4  0x04
+#define PA5  0x05
+#define PA6  0x06
+#define PA7  0x07
+#define PA8  0x08
+#define PA9  0x09
+#define PA10 0x0A
+#define PA11 0x0B
+#define PA12 0x0C
+#define PA13 0x0D
+#define PA14 0x0E
+#define PA15 0x0F
+
+#define PB0  0x10
+#define PB1  0x11
+#define PB2  0x12
+#define PB3  0x13
+#define PB4  0x14
+#define PB5  0x15
+#define PB6  0x16
+#define PB7  0x17 // 36 pins (F103T)
+#define PB8  0x18
+#define PB9  0x19
+#define PB10 0x1A
+#define PB11 0x1B
+#define PB12 0x1C
+#define PB13 0x1D
+#define PB14 0x1E
+#define PB15 0x1F
+
+#if defined(MCU_STM32F103CB) || defined(MCU_STM32F103C8)
+  #define PC13 0x20
+  #define PC14 0x21
+  #define PC15 0x22
+#else
+  #define PC0  0x20
+  #define PC1  0x21
+  #define PC2  0x22
+  #define PC3  0x23
+  #define PC4  0x24
+  #define PC5  0x25
+  #define PC6  0x26
+  #define PC7  0x27
+  #define PC8  0x28
+  #define PC9  0x29
+  #define PC10 0x2A
+  #define PC11 0x2B
+  #define PC12 0x2C
+  #define PC13 0x2D
+  #define PC14 0x2E
+  #define PC15 0x2F
+#endif
+
+#define PD0  0x30
+#define PD1  0x31
+#define PD2  0x32 // 64 pins (F103R)
+#define PD3  0x33
+#define PD4  0x34
+#define PD5  0x35
+#define PD6  0x36
+#define PD7  0x37
+#define PD8  0x38
+#define PD9  0x39
+#define PD10 0x3A
+#define PD11 0x3B
+#define PD12 0x3C
+#define PD13 0x3D
+#define PD14 0x3E
+#define PD15 0x3F
+
+#define PE0  0x40
+#define PE1  0x41
+#define PE2  0x42
+#define PE3  0x43
+#define PE4  0x44
+#define PE5  0x45
+#define PE6  0x46
+#define PE7  0x47
+#define PE8  0x48
+#define PE9  0x49
+#define PE10 0x4A
+#define PE11 0x4B
+#define PE12 0x4C
+#define PE13 0x4D
+#define PE14 0x4E
+#define PE15 0x4F // 100 pins (F103V)
+
+#define PF0  0x50
+#define PF1  0x51
+#define PF2  0x52
+#define PF3  0x53
+#define PF4  0x54
+#define PF5  0x55
+#define PF6  0x56
+#define PF7  0x57
+#define PF8  0x58
+#define PF9  0x59
+#define PF10 0x5A
+#define PF11 0x5B
+#define PF12 0x5C
+#define PF13 0x5D
+#define PF14 0x5E
+#define PF15 0x5F
+
+#define PG0  0x60
+#define PG1  0x61
+#define PG2  0x62
+#define PG3  0x63
+#define PG4  0x64
+#define PG5  0x65
+#define PG6  0x66
+#define PG7  0x67
+#define PG8  0x68
+#define PG9  0x69
+#define PG10 0x6A
+#define PG11 0x6B
+#define PG12 0x6C
+#define PG13 0x6D
+#define PG14 0x6E
+#define PG15 0x6F // 144 pins (F103Z)