added PC6 on A153

Author: tridge

a153makefile.mk

@@ -29,4 +29,4 @@ CFLAGS_$(MCU) += \
 SRC_$(MCU)_BL := $(foreach dir,$(SRC_BASE_DIR_$(MCU)),$(wildcard $(dir)/*.[cs])) \
 	$(wildcard $(HAL_FOLDER_$(MCU))/Src/*.c)
 
-BOOTLOADER_PINS_$(MCU) = PB2
+BOOTLOADER_PINS_$(MCU) = PB2 PC6

bootloader/main.c

@@ -103,6 +103,11 @@
 #define input_port        GPIOB
 #define PIN_NUMBER        2
 #define PORT_LETTER       1
+#elif defined(USE_PC6)
+#define input_pin         GPIO_PIN(6)
+#define input_port        GPIOC
+#define PIN_NUMBER        6
+#define PORT_LETTER       2
 #else
 #error "Bootloader comms pin not defined"
 #endif