5 files changed, 22 insertions(+), 25 deletions(-)

A .gitmodules
M Makefile
A libs/CMSIS_6
A libs/cmsis_device_h7
M src/main.c

@@ 0,0 1,6 @@
+[submodule "CMSIS"]
+	path = libs/CMSIS_6
+	url = https://github.com/ARM-software/CMSIS_6
+[submodule "cmsis_device_h7"]
+	path = libs/cmsis_device_h7
+	url = https://github.com/STMicroelectronics/cmsis_device_h7/

@@ 19,7 19,12 @@ DEVICESRCS=$(wildcard $(DEVICEDIR)/*.c)
 SRCS=$(PROJSRCS) $(GENERALSRCS) $(DEVICESRCS)
 OBJS=$(patsubst %.c,obj/%.o,$(SRCS))
 
-CFLAGS=-I$(INCDIR) -I$(DEVICEDIR)/$(INCDIR) -mthumb -mcpu=$(CPU) -nostdlib -g -DCORE_CM7
+CFLAGS=-I$(INCDIR) \
+				-I$(DEVICEDIR)/$(INCDIR) \
+				-Ilibs/CMSIS_6/CMSIS/Core/Include \
+				-Ilibs/cmsis_device_h7/Include \
+				-mthumb -mcpu=$(CPU) -nostdlib -g \
+				-DCORE_CM7
 LDFLAGS=-T$(DEVICEDIR)/linker_script.ld -nostdlib
 
 CC=arm-none-eabi-gcc

@@ 0,0 1,1 @@
+Subproject commit 8c4dc58928b3347f6aa98b6fb2bf6770f32a72b7

@@ 0,0 1,1 @@
+Subproject commit 13ba9da797a30e1563a8795f974425fb26dd0457

@@ 1,41 1,25 @@
 #include <stdint.h>
-
-#define PERIPHERAL_BASE (0x40000000U)
-#define AHB4_BASE (PERIPHERAL_BASE + 0x18020000U)
-#define GPIOI_BASE (AHB4_BASE + 0x2000U)
-#define RCC_BASE (AHB4_BASE + 0x4400U)
-
-#define RCC_AHB4ENR_OFFSET (0xE0U)
-#define RCC_AHB4ENR ((volatile uint32_t*) (RCC_BASE + RCC_AHB4ENR_OFFSET))
-#define RCC_AHB4ENR_GPIOIEN (0x08U)
-
-#define GPIO_MODER_OFFSET (0x00U)
-#define GPIOI_MODER ((volatile uint32_t*) (GPIOI_BASE + GPIO_MODER_OFFSET))
-#define GPIO_MODER_MODER5 (10U)
-#define GPIO_MODER_MODER13 (26U)
-#define GPIO_MODER_MODER12 (24U)
-#define GPIO_ODR_OFFSET (0x14U)
-#define GPIOI_ODR ((volatile uint32_t*) (GPIOI_BASE + GPIO_ODR_OFFSET))
+#include "stm32h747xx.h"
 
 #define LED1_PIN 12
 #define LED2_PIN 13
 
 void main()
 {
- *RCC_AHB4ENR |= (1 << RCC_AHB4ENR_GPIOIEN);
+ RCC->AHB4ENR |= (1 << RCC_AHB4ENR_GPIOIEN_Pos);
 
   // do two dummy reads after enabling the peripheral clock
   volatile uint32_t dummy;
-  dummy = *(RCC_AHB4ENR);
-  dummy = *(RCC_AHB4ENR);
+  dummy = RCC->AHB4ENR;
+  dummy = RCC->AHB4ENR;
 
-  *GPIOI_MODER = (1 << GPIO_MODER_MODER12) | (1 << GPIO_MODER_MODER13);
+  GPIOI->MODER = (1 << GPIO_MODER_MODE12_Pos) | (1 << GPIO_MODER_MODE13_Pos);
 
-  *GPIOI_ODR ^= (1 << LED2_PIN);
+  GPIOI->ODR ^= (1 << LED2_PIN);
   while(1)
   {
-    *GPIOI_ODR ^= (1 << LED1_PIN);
-    *GPIOI_ODR ^= (1 << LED2_PIN);
+    GPIOI->ODR ^= (1 << LED1_PIN);
+    GPIOI->ODR ^= (1 << LED2_PIN);
     for (uint32_t i = 0; i < 2000000; i++);
   }
 }