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[stm32l1] Implement initial support for stm32l1 #36

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Merged
AlexLanzano merged 1 commit into from
Apr 23, 2026
Merged

[stm32l1] Implement initial support for stm32l1 #36

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2 changes: 1 addition & 1 deletion .github/workflows/boards.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ jobs:
runs-on: ubuntu-latest
strategy:
matrix:
board: [stm32wb55xx_nucleo, stm32wba55cg_nucleo, pic32cz_curiosity_ultra, stm32h563zi_nucleo, stm32f411_blackpill, stm32c031_nucleo, stm32f091rc_nucleo, stm32f302r8_nucleo]
board: [stm32wb55xx_nucleo, stm32wba55cg_nucleo, pic32cz_curiosity_ultra, stm32h563zi_nucleo, stm32f411_blackpill, stm32c031_nucleo, stm32f091rc_nucleo, stm32f302r8_nucleo, stm32l152re_nucleo]
extra_cflags: ["", "-DWHAL_CFG_NO_TIMEOUT"]
include:
- board: stm32wb55xx_nucleo
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1 change: 1 addition & 0 deletions boards/README.md
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Expand Up @@ -21,6 +21,7 @@ build configuration.
| WeAct BlackPill STM32F411 | STM32F4 | Cortex-M4 | `stm32f411_blackpill/` |
| ST NUCLEO-H563ZI | STM32H5 | Cortex-M33 | `stm32h563zi_nucleo/` |
| ST NUCLEO-WB55RG | STM32WB | Cortex-M4 | `stm32wb55xx_nucleo/` |
| ST NUCLEO-L152RE | STM32L1 | Cortex-M3 | `stm32l152re_nucleo/` |
| ST NUCLEO-WBA55CG | STM32WBA | Cortex-M33 | `stm32wba55cg_nucleo/` |

## Board Directory Contents
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2 changes: 0 additions & 2 deletions boards/stm32c031_nucleo/board.h
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Expand Up @@ -26,8 +26,6 @@ enum {
};

#define BOARD_LED_PIN 0
#define BOARD_LED_PORT_OFFSET 0x000 /* GPIOA */
#define BOARD_LED_PIN_NUM 5

#define BOARD_FLASH_START_ADDR 0x08000000
#define BOARD_FLASH_SIZE 0x8000
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2 changes: 0 additions & 2 deletions boards/stm32f091rc_nucleo/board.h
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Expand Up @@ -31,8 +31,6 @@ enum {
};

#define BOARD_LED_PIN 0
#define BOARD_LED_PORT_OFFSET 0x000 /* GPIOA */
#define BOARD_LED_PIN_NUM 5

#define BOARD_FLASH_START_ADDR 0x08000000
#define BOARD_FLASH_SIZE 0x40000
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2 changes: 0 additions & 2 deletions boards/stm32f302r8_nucleo/board.h
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Expand Up @@ -31,8 +31,6 @@ enum {
};

#define BOARD_LED_PIN 0
#define BOARD_LED_PORT_OFFSET 0x400 /* GPIOB */
#define BOARD_LED_PIN_NUM 13

#define BOARD_FLASH_START_ADDR 0x08000000
#define BOARD_FLASH_SIZE 0x10000
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43 changes: 43 additions & 0 deletions boards/stm32l152re_nucleo/Makefile.inc
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@@ -0,0 +1,43 @@
_BOARD_DIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))

PLATFORM = stm32l1
TESTS ?= clock gpio timer flash uart spi i2c

GCC = $(GCC_PATH)arm-none-eabi-gcc
LD = $(GCC_PATH)arm-none-eabi-gcc
OBJCOPY = $(GCC_PATH)arm-none-eabi-objcopy

CFLAGS += -Wall -Werror $(INCLUDE) -g3 \
-ffreestanding -nostdlib \
-mcpu=cortex-m3 -mthumb \
-DPLATFORM_STM32L1 -MMD -MP \
-DWHAL_CFG_GPIO_API_MAPPING_STM32L1 \
-DWHAL_CFG_CLOCK_API_MAPPING_STM32L1 \
-DWHAL_CFG_UART_API_MAPPING_STM32L1 \
-DWHAL_CFG_SPI_API_MAPPING_STM32L1 \
-DWHAL_CFG_I2C_API_MAPPING_STM32L1 \
$(if $(filter iwdg,$(WATCHDOG)),-DBOARD_WATCHDOG_IWDG) \
$(if $(filter wwdg,$(WATCHDOG)),-DBOARD_WATCHDOG_WWDG)
LDFLAGS = -mcpu=cortex-m3 -mthumb \
-ffreestanding -nostartfiles -Wl,--omagic -static

LINKER_SCRIPT ?= $(_BOARD_DIR)/linker.ld

INCLUDE += -I$(_BOARD_DIR) -I$(WHAL_DIR)/boards/peripheral

BOARD_SOURCE = $(_BOARD_DIR)/ivt.c
BOARD_SOURCE += $(_BOARD_DIR)/board.c
BOARD_SOURCE += $(wildcard $(WHAL_DIR)/src/*.c)
BOARD_SOURCE += $(wildcard $(WHAL_DIR)/src/*/timer.c)
BOARD_SOURCE += $(wildcard $(WHAL_DIR)/src/*/supply.c)
BOARD_SOURCE += $(wildcard $(WHAL_DIR)/src/*/flash.c)
BOARD_SOURCE += $(wildcard $(WHAL_DIR)/src/*/rng.c)
BOARD_SOURCE += $(wildcard $(WHAL_DIR)/src/*/crypto.c)
BOARD_SOURCE += $(wildcard $(WHAL_DIR)/src/*/sensor.c)
BOARD_SOURCE += $(wildcard $(WHAL_DIR)/src/*/block.c)
BOARD_SOURCE += $(wildcard $(WHAL_DIR)/src/*/watchdog.c)
BOARD_SOURCE += $(wildcard $(WHAL_DIR)/src/*/stm32l1_*.c)
BOARD_SOURCE += $(wildcard $(WHAL_DIR)/src/*/systick.c)

# Peripheral devices
include $(WHAL_DIR)/boards/peripheral/Makefile.inc
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