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Merge pull request #2723 from jgillick/jgillick/circuitpython/stm32f411
Add new STM board: Thunderpack
2 parents 385ea9d + 8ed4dee commit f414f2b

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‎.github/workflows/build.yml

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@@ -229,6 +229,7 @@ jobs:
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- "stringcar_m0_express"
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- "teensy40"
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- "teknikio_bluebird"
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- "thunderpack"
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- "trellis_m4_express"
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- "trinket_m0"
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- "trinket_m0_haxpress"

‎ports/stm/boards/STM32F411VETx_nvm_FLASH.ld

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/*
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GNU linker script for STM32F411 via Micropython
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*/
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/* Specify the memory areas */
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K /* entire flash */
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FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 16K /* sector 0 */
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FLASH_FS (rx) : ORIGIN = 0x08004000, LENGTH = 32K /* sectors 1,2 are 16K */
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FLASH_NVM (rwx) : ORIGIN = 0x0800C000, LENGTH = 16K /* sector 3 is 16K */
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FLASH_TEXT (rx) : ORIGIN = 0x08010000, LENGTH = 448K /* sector 4 is 64K, sectors 5,6,7 are 128K */
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
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}
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/* produce a link error if there is not this amount of RAM for these sections */
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_minimum_stack_size = 2K;
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_minimum_heap_size = 16K;
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/* Define the top end of the stack. The stack is full descending so begins just
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above last byte of RAM. Note that EABI requires the stack to be 8-byte
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aligned for a call. */
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_estack = ORIGIN(RAM) + LENGTH(RAM);
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/* RAM extents for the garbage collector */
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_ram_start = ORIGIN(RAM);
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_ram_end = ORIGIN(RAM) + LENGTH(RAM);
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_heap_start = _ebss; /* heap starts just after statically allocated memory */
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_heap_end = 0x2001c000; /* tunable */
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ENTRY(Reset_Handler)
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/* define output sections */
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SECTIONS
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{
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/* The startup code goes first into FLASH */
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.isr_vector :
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{
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. = ALIGN(4);
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KEEP(*(.isr_vector)) /* Startup code */
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/* This first flash block is 16K annd the isr vectors only take up
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about 400 bytes. Micropython pads this with files, but this didn't
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work with the size of Circuitpython's ff object. */
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. = ALIGN(4);
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} >FLASH_ISR
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/* Non-volitile memory */
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.nvm_data :
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{
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. = ALIGN(4);
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KEEP(*(.nvm_data))
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. = ALIGN(4);
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} >FLASH_NVM
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/* The program code and other data goes into FLASH */
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.text :
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{
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. = ALIGN(4);
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*(.text*) /* .text* sections (code) */
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*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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/* *(.glue_7) */ /* glue arm to thumb code */
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/* *(.glue_7t) */ /* glue thumb to arm code */
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. = ALIGN(4);
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_etext = .; /* define a global symbol at end of code */
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} >FLASH_TEXT
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/* used by the startup to initialize data */
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_sidata = LOADADDR(.data);
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/* This is the initialized data section
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The program executes knowing that the data is in the RAM
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but the loader puts the initial values in the FLASH (inidata).
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It is one task of the startup to copy the initial values from FLASH to RAM. */
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.data :
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{
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. = ALIGN(4);
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_sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */
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*(.data*) /* .data* sections */
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. = ALIGN(4);
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_edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */
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} >RAM AT> FLASH_TEXT
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/* Uninitialized data section */
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.bss :
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{
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. = ALIGN(4);
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_sbss = .; /* define a global symbol at bss start; used by startup code */
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = .; /* define a global symbol at bss end; used by startup code and GC */
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} >RAM
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/* this is to define the start of the heap, and make sure we have a minimum size */
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.heap :
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{
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. = ALIGN(4);
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. = . + _minimum_heap_size;
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. = ALIGN(4);
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} >RAM
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/* this just checks there is enough RAM for the stack */
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.stack :
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{
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. = ALIGN(4);
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. = . + _minimum_stack_size;
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. = ALIGN(4);
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} >RAM
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.ARM.attributes 0 : { *(.ARM.attributes) }
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}
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‎ports/stm/boards/thunderpack/board.c

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "boards/board.h"
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void board_init(void) {
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}
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bool board_requests_safe_mode(void) {
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return false;
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}
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void reset_board(void) {
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}

‎ports/stm/boards/thunderpack/mpconfigboard.h

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Lucian Copeland for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#define MICROPY_HW_BOARD_NAME "THUNDERPACK"
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#define MICROPY_HW_MCU_NAME "STM32F411CE"
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// Non-volatile memory config
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#define CIRCUITPY_INTERNAL_NVM_SIZE (0x4000)
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#define CIRCUITPY_INTERNAL_NVM_START_ADDR (0x0800C000)
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#define CIRCUITPY_INTERNAL_NVM_SECTOR FLASH_SECTOR_3
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// Putting the entire flash sector in the NVM byte array buffer
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// would take up too much RAM. This limits how much of the sector we use.
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#define NVM_BYTEARRAY_BUFFER_SIZE 512
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// Flash config
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#define FLASH_SIZE (0x80000)
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#define FLASH_PAGE_SIZE (0x4000)
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#define BOARD_FLASH_SIZE (FLASH_SIZE - CIRCUITPY_INTERNAL_NVM_SIZE- 0x2000 - 0xC000)
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#define BOARD_OSC_DIV (24)
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#define BOARD_OVERWRITE_SWD (1)
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#define BOARD_NO_VBUS_SENSE (1)
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// Status LEDs
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#define MICROPY_HW_LED_STATUS (&pin_PA02)
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#define DEFAULT_I2C_BUS_SCL (&pin_PB06)
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#define DEFAULT_I2C_BUS_SDA (&pin_PB07)

‎ports/stm/boards/thunderpack/mpconfigboard.mk

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USB_VID = 0x239A
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USB_PID = 0x806A
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USB_PRODUCT = "Thunderpack STM32F411"
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USB_MANUFACTURER = "Jeremy Gillick"
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USB_DEVICES = "CDC,MSC"
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INTERNAL_FLASH_FILESYSTEM = 1
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LONGINT_IMPL = NONE
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CIRCUITPY_NVM = 1
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MCU_SERIES = m4
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MCU_VARIANT = stm32f4
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MCU_SUB_VARIANT = stm32f411xe
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MCU_PACKAGE = 48
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CMSIS_MCU = STM32F411xE
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LD_FILE = boards/STM32F411VETx_nvm_FLASH.ld
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STARTUP_FILE = startup_stm32f411xe.s
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‎ports/stm/boards/thunderpack/pins.c

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#include "shared-bindings/board/__init__.h"
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STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_PA0), MP_ROM_PTR(&pin_PA00) },
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{ MP_ROM_QSTR(MP_QSTR_PA1), MP_ROM_PTR(&pin_PA01) },
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{ MP_ROM_QSTR(MP_QSTR_PA2), MP_ROM_PTR(&pin_PA02) },
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{ MP_ROM_QSTR(MP_QSTR_PA3), MP_ROM_PTR(&pin_PA03) },
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{ MP_ROM_QSTR(MP_QSTR_PA4), MP_ROM_PTR(&pin_PA04) },
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{ MP_ROM_QSTR(MP_QSTR_PA5), MP_ROM_PTR(&pin_PA05) },
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{ MP_ROM_QSTR(MP_QSTR_PA6), MP_ROM_PTR(&pin_PA06) },
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{ MP_ROM_QSTR(MP_QSTR_PA7), MP_ROM_PTR(&pin_PA07) },
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{ MP_ROM_QSTR(MP_QSTR_PA8), MP_ROM_PTR(&pin_PA08) },
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{ MP_ROM_QSTR(MP_QSTR_PA9), MP_ROM_PTR(&pin_PA09) },
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{ MP_ROM_QSTR(MP_QSTR_PA10), MP_ROM_PTR(&pin_PA10) },
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{ MP_ROM_QSTR(MP_QSTR_PA13), MP_ROM_PTR(&pin_PA13) },
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{ MP_ROM_QSTR(MP_QSTR_PA14), MP_ROM_PTR(&pin_PA14) },
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{ MP_ROM_QSTR(MP_QSTR_PB5), MP_ROM_PTR(&pin_PB05) },
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{ MP_ROM_QSTR(MP_QSTR_PB6), MP_ROM_PTR(&pin_PB06) },
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{ MP_ROM_QSTR(MP_QSTR_PB7), MP_ROM_PTR(&pin_PB07) },
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{ MP_ROM_QSTR(MP_QSTR_LED1), MP_ROM_PTR(&pin_PA00) },
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{ MP_ROM_QSTR(MP_QSTR_LED2), MP_ROM_PTR(&pin_PA01) },
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{ MP_ROM_QSTR(MP_QSTR_LED3), MP_ROM_PTR(&pin_PA02) },
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{ MP_ROM_QSTR(MP_QSTR_LED4), MP_ROM_PTR(&pin_PA03) },
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{ MP_ROM_QSTR(MP_QSTR_BUTTON), MP_ROM_PTR(&pin_PB04) },
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{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_PB06) },
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{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_PB07) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

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