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boards: Add CUSTOM_PYBV11 board, based on stm32 PYBV11.
Signed-off-by: Damien George <[email protected]>
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‎boards/CUSTOM_PYBV11/Makefile

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# Makefile for custom MicroPython stm32 board.
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################################################################################
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# Define your settings here.
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# The board name.
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BOARD ?= CUSTOM_PYBV11
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# Location of MicroPython repository.
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MICROPY_TOP ?= $(abspath ../../lib/micropython)
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################################################################################
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# Define your targets here.
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all: firmware
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################################################################################
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# Items below this line do not generally need to be changed.
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BOARD_DIR = $(abspath .)
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BUILD = $(abspath build)
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include $(MICROPY_TOP)/py/mkenv.mk
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include $(MICROPY_TOP)/py/mkrules.mk
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firmware:
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$(Q)$(MAKE) -C $(MICROPY_TOP)/ports/stm32 \
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PROJECT_TOP=$(abspath ../..) \
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BOARD=$(BOARD) \
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BOARD_DIR=$(BOARD_DIR) \
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BUILD=$(BUILD)
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deploy:
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$(PYTHON) $(MICROPY_TOP)/tools/pydfu.py -u $(BUILD)/firmware.dfu

‎boards/CUSTOM_PYBV11/README.md

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This directory contains board definition files for an stm32-based board, which
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is based on the PYBV11 board definition.
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To build it:
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$ make
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To deploy the firmware to the board:
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$ make deploy

‎boards/CUSTOM_PYBV11/board_init.c

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#include "py/mphal.h"
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#include "boardctrl.h"
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int board_run_boot_py(boardctrl_state_t *state) {
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mp_printf(&mp_plat_print, "Starting custom board\n");
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return boardctrl_run_boot_py(state);
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}

‎boards/CUSTOM_PYBV11/manifest.py

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freeze("$(BOARD_DIR)/../../src/utils", "xxd.py")

‎boards/CUSTOM_PYBV11/mpconfigboard.h

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// Take PYBV11 as base configuration.
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#include "ports/stm32/boards/PYBV11/mpconfigboard.h"
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#undef MICROPY_HW_BOARD_NAME
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#undef MICROPY_HW_CLK_PLLM
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#undef MICROPY_HW_CLK_PLLN
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#undef MICROPY_HW_CLK_PLLP
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#undef MICROPY_HW_CLK_PLLQ
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#undef MICROPY_HW_FLASH_LATENCY
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#define MICROPY_HW_BOARD_NAME "Custom PYBv1.1"
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#define MICROPY_BOARD_RUN_BOOT_PY board_run_boot_py
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// HSE is 12MHz, run SYS at 48MHz
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#define MICROPY_HW_CLK_PLLM (12)
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#define MICROPY_HW_CLK_PLLN (192)
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#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV4)
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#define MICROPY_HW_CLK_PLLQ (4)
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#define MICROPY_HW_FLASH_LATENCY (FLASH_LATENCY_1)
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struct _boardctrl_state_t;
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int board_run_boot_py(struct _boardctrl_state_t *state);

‎boards/CUSTOM_PYBV11/mpconfigboard.mk

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# MCU settings
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MCU_SERIES = f4
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CMSIS_MCU = STM32F405xx
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AF_FILE = boards/stm32f405_af.csv
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LD_FILES = boards/stm32f405.ld boards/common_ifs.ld
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TEXT0_ADDR = 0x08000000
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TEXT1_ADDR = 0x08020000
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# MicroPython settings
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MICROPY_FLOAT_IMPL = double
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MICROPY_VFS_LFS1 = 1
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MICROPY_VFS_LFS2 = 1
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# Custom C modules
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USER_C_MODULES = $(PROJECT_TOP)/src/cmodules
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# PYBD-specific frozen modules
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FROZEN_MANIFEST = $(BOARD_DIR)/manifest.py

‎boards/CUSTOM_PYBV11/pins.csv

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X1,PA0
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X2,PA1
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X3,PA2
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X4,PA3
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X5,PA4
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X6,PA5
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X7,PA6
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X8,PA7
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X9,PB6
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X10,PB7
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X11,PC4
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X12,PC5
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X13,Reset
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X14,GND
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X15,3.3V
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X16,VIN
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X17,PB3
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X18,PC13
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X19,PC0
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X20,PC1
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X21,PC2
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X22,PC3
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X23,A3.3V
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X24,AGND
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Y1,PC6
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Y2,PC7
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Y3,PB8
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Y4,PB9
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Y5,PB12
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Y6,PB13
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Y7,PB14
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Y8,PB15
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Y9,PB10
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Y10,PB11
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Y11,PB0
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Y12,PB1
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Y13,Reset
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Y14,GND
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Y15,3.3V
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Y16,VIN
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SW,PB3
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LED_RED,PA13
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LED_GREEN,PA14
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LED_YELLOW,PA15
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LED_BLUE,PB4
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MMA_INT,PB2
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MMA_AVDD,PB5
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SD_D0,PC8
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SD_D1,PC9
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SD_D2,PC10
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SD_D3,PC11
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SD_CMD,PD2
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SD_CK,PC12
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SD,PA8
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SD_SW,PA8
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USB_VBUS,PA9
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USB_ID,PA10
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USB_DM,PA11
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USB_DP,PA12

‎boards/CUSTOM_PYBV11/stm32f4xx_hal_conf.h

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// Use PYBV11 configuration.
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#include "boards/PYBV11/stm32f4xx_hal_conf.h"

‎boards/README.md

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This directory contains all boards that can be built as part of this project.

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