update stm32f7 to build with iar

.github/workflows/build_iar.yml

@@ -29,6 +29,8 @@ jobs:
         # Alphabetical order
         - 'stm32f0'
         - 'stm32f1'
+        - 'stm32f4'
+        - 'stm32f7'
     steps:
     - name: Clean workspace
       run: |

hw/bsp/stm32f4/family.mk

@@ -30,6 +30,10 @@ GCC_CFLAGS += -Wno-error=cast-align
 IAR_CFLAGS += --cpu cortex-m4
 IAR_ASFLAGS += --cpu cortex-m4
 
+# -----------------
+# Sources & Include
+# -----------------
+
 SRC_C += \
 	src/portable/synopsys/dwc2/dcd_dwc2.c \
 	$(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \

hw/bsp/stm32f7/boards/stlinkv3mini/board.mk

@@ -6,9 +6,13 @@ CFLAGS += \
   -DSTM32F723xx \
   -DHSE_VALUE=25000000 \
 
-# All source paths should be relative to the top level.
+# GCC
-LD_FILE = $(BOARD_PATH)/STM32F723xE_FLASH.ld
+GCC_LD_FILE = $(BOARD_PATH)/STM32F723xE_FLASH.ld
-SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f723xx.s
+GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f723xx.s
+
+# IAR
+IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f723xx.s
+IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f723xx_flash.icf
 
 # flash target using on-board stlink
 flash: flash-stlink

hw/bsp/stm32f7/boards/stm32f723disco/board.mk

@@ -5,8 +5,13 @@ CFLAGS += \
   -DSTM32F723xx \
   -DHSE_VALUE=25000000 \
 
-LD_FILE = $(BOARD_PATH)/STM32F723xE_FLASH.ld
+# GCC
-SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f723xx.s
+GCC_LD_FILE = $(BOARD_PATH)/STM32F723xE_FLASH.ld
+GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f723xx.s
+
+# IAR
+IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f723xx.s
+IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f723xx_flash.icf
 
 # flash target using on-board stlink
 flash: flash-stlink

hw/bsp/stm32f7/boards/stm32f746disco/board.mk

@@ -5,8 +5,13 @@ CFLAGS += \
   -DSTM32F746xx \
   -DHSE_VALUE=25000000
 
-LD_FILE = $(BOARD_PATH)/STM32F746ZGTx_FLASH.ld
+# GCC
-SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f746xx.s
+GCC_LD_FILE = $(BOARD_PATH)/STM32F746ZGTx_FLASH.ld
+GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f746xx.s
+
+# IAR
+IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f746xx.s
+IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f746xx_flash.icf
 
 # flash target using on-board stlink
 flash: flash-stlink

hw/bsp/stm32f7/boards/stm32f746nucleo/board.mk

@@ -5,8 +5,13 @@ CFLAGS += \
   -DSTM32F746xx \
   -DHSE_VALUE=8000000
 
-LD_FILE = $(BOARD_PATH)/STM32F746ZGTx_FLASH.ld
+# GCC
-SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f746xx.s
+GCC_LD_FILE = $(BOARD_PATH)/STM32F746ZGTx_FLASH.ld
+GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f746xx.s
+
+# IAR
+IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f746xx.s
+IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f746xx_flash.icf
 
 # flash target using on-board stlink
 flash: flash-stlink

hw/bsp/stm32f7/boards/stm32f767nucleo/board.mk

@@ -5,8 +5,13 @@ CFLAGS += \
   -DSTM32F767xx \
 	-DHSE_VALUE=8000000 \
 
-LD_FILE = $(BOARD_PATH)/STM32F767ZITx_FLASH.ld
+# GCC
-SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f767xx.s
+GCC_LD_FILE = $(BOARD_PATH)/STM32F767ZITx_FLASH.ld
+GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f767xx.s
+
+# IAR
+IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f767xx.s
+IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f767xx_flash.icf
 
 # For flash-jlink target
 JLINK_DEVICE = stm32f767zi

hw/bsp/stm32f7/boards/stm32f769disco/board.mk

@@ -6,8 +6,13 @@ CFLAGS += \
   -DSTM32F769xx \
   -DHSE_VALUE=25000000 \
 
-LD_FILE = $(BOARD_PATH)/STM32F769ZITx_FLASH.ld
+# GCC
-SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f769xx.s
+GCC_LD_FILE = $(BOARD_PATH)/STM32F769ZITx_FLASH.ld
+GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f769xx.s
+
+# IAR
+IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f769xx.s
+IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f769xx_flash.icf
 
 # flash target using on-board stlink
 flash: flash-stlink

hw/bsp/stm32f7/family.c

@@ -268,7 +268,8 @@ void board_init(void)
 
 void board_led_write(bool state)
 {
-  HAL_GPIO_WritePin(LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+  GPIO_PinState pin_state = (GPIO_PinState) (state ? LED_STATE_ON : (1-LED_STATE_ON));
+  HAL_GPIO_WritePin(LED_PORT, LED_PIN, pin_state);
 }
 
 uint32_t board_button_read(void)
@@ -303,7 +304,7 @@ uint32_t board_millis(void)
 
 void HardFault_Handler (void)
 {
-  asm("bkpt");
+  __asm("BKPT #0\n");
 }
 
 // Required by __libc_init_array in startup code if we are compiling using

hw/bsp/stm32f7/family.mk

@@ -7,14 +7,10 @@ ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
 
 include $(TOP)/$(BOARD_PATH)/board.mk
 
+# --------------
+# Compiler Flags
+# --------------
 CFLAGS += \
-  -flto \
-  -mthumb \
-  -mabi=aapcs \
-  -mcpu=cortex-m7 \
-  -mfloat-abi=hard \
-  -mfpu=fpv5-d16 \
-  -nostdlib -nostartfiles \
   -DCFG_TUSB_MCU=OPT_MCU_STM32F7 \
   -DBOARD_TUD_RHPORT=$(PORT)
 
@@ -30,8 +26,26 @@ else
   $(info "Using OTG_FS")
 endif
 
+# GCC Flags
+GCC_CFLAGS += \
+  -flto \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m7 \
+  -mfloat-abi=hard \
+  -mfpu=fpv5-d16 \
+  -nostdlib -nostartfiles
+
 # mcu driver cause following warnings
-CFLAGS += -Wno-error=shadow -Wno-error=cast-align
+GCC_CFLAGS += -Wno-error=shadow -Wno-error=cast-align
+
+# IAR Flags
+IAR_CFLAGS += --cpu cortex-m7
+IAR_ASFLAGS += --cpu cortex-m7
+
+# -----------------
+# Sources & Include
+# -----------------
 
 SRC_C += \
 	src/portable/synopsys/dwc2/dcd_dwc2.c \