Lerking/micropython
1
0
Fork 0
mirror of https://github.com/micropython/micropython.git synced 2026-01-06 12:10:13 +01:00
Code Issues Actions 27 Packages Projects Releases Wiki Activity

stm32: Add MICROPY_BOARD calls in various places in stm32_main.

Browse Source 
For a board to have full configurability of the soft reset loop.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2020-10-28 00:44:18 +11:00
parent 1e297c8898
commit 4c3976bbca
4 changed files with 298 additions and 130 deletions
Download Patch File Download Diff File Expand all files Collapse all files

164
ports/stm32/main.c
View File

@@ -3,7 +3,7 @@
*
* The MIT License (MIT)
*
* Copyright (c) 2013-2018 Damien P. George
* Copyright (c) 2013-2020 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@@ -53,6 +53,7 @@
#include "extmod/modbluetooth.h"
#endif
#include "boardctrl.h"
#include "mpu.h"
#include "rfcore.h"
#include "systick.h"
@@ -95,18 +96,6 @@ STATIC pyb_uart_obj_t pyb_uart_repl_obj;
STATIC uint8_t pyb_uart_repl_rxbuf[MICROPY_HW_UART_REPL_RXBUF];
#endif
void flash_error(int n) {
for (int i = 0; i < n; i++) {
led_state(PYB_LED_RED, 1);
led_state(PYB_LED_GREEN, 0);
mp_hal_delay_ms(250);
led_state(PYB_LED_RED, 0);
led_state(PYB_LED_GREEN, 1);
mp_hal_delay_ms(250);
}
led_state(PYB_LED_GREEN, 0);
}
void NORETURN __fatal_error(const char *msg) {
for (volatile uint delay = 0; delay < 10000000; delay++) {
}
@@ -310,83 +299,6 @@ STATIC bool init_sdcard_fs(void) {
}
#endif
#if !MICROPY_HW_USES_BOOTLOADER
STATIC uint update_reset_mode(uint reset_mode) {
#if MICROPY_HW_HAS_SWITCH
if (switch_get()) {
// The original method used on the pyboard is appropriate if you have 2
// or more LEDs.
#if defined(MICROPY_HW_LED2)
for (uint i = 0; i < 3000; i++) {
if (!switch_get()) {
break;
}
mp_hal_delay_ms(20);
if (i % 30 == 29) {
if (++reset_mode > 3) {
reset_mode = 1;
}
led_state(2, reset_mode & 1);
led_state(3, reset_mode & 2);
led_state(4, reset_mode & 4);
}
}
// flash the selected reset mode
for (uint i = 0; i < 6; i++) {
led_state(2, 0);
led_state(3, 0);
led_state(4, 0);
mp_hal_delay_ms(50);
led_state(2, reset_mode & 1);
led_state(3, reset_mode & 2);
led_state(4, reset_mode & 4);
mp_hal_delay_ms(50);
}
mp_hal_delay_ms(400);
#elif defined(MICROPY_HW_LED1)
// For boards with only a single LED, we'll flash that LED the
// appropriate number of times, with a pause between each one
for (uint i = 0; i < 10; i++) {
led_state(1, 0);
for (uint j = 0; j < reset_mode; j++) {
if (!switch_get()) {
break;
}
led_state(1, 1);
mp_hal_delay_ms(100);
led_state(1, 0);
mp_hal_delay_ms(200);
}
mp_hal_delay_ms(400);
if (!switch_get()) {
break;
}
if (++reset_mode > 3) {
reset_mode = 1;
}
}
// Flash the selected reset mode
for (uint i = 0; i < 2; i++) {
for (uint j = 0; j < reset_mode; j++) {
led_state(1, 1);
mp_hal_delay_ms(100);
led_state(1, 0);
mp_hal_delay_ms(200);
}
mp_hal_delay_ms(400);
}
#else
#error Need a reset mode update method
#endif
}
#endif
return reset_mode;
}
#endif
void stm32_main(uint32_t reset_mode) {
#if !defined(STM32F0) && defined(MICROPY_HW_VTOR)
// Change IRQ vector table if configured differently
@@ -552,22 +464,17 @@ void stm32_main(uint32_t reset_mode) {
MP_STATE_PORT(pyb_uart_obj_all)[MICROPY_HW_UART_REPL - 1] = &pyb_uart_repl_obj;
#endif
#if !MICROPY_HW_USES_BOOTLOADER
// check if user switch held to select the reset mode
reset_mode = update_reset_mode(1);
#endif
boardctrl_state_t state;
state.reset_mode = reset_mode;
state.run_boot_py = false;
state.run_main_py = false;
state.last_ret = 0;
MICROPY_BOARD_BEFORE_SOFT_RESET_LOOP(&state);
soft_reset:
#if defined(MICROPY_HW_LED2)
led_state(1, 0);
led_state(2, 1);
#else
led_state(1, 1);
led_state(2, 0);
#endif
led_state(3, 0);
led_state(4, 0);
MICROPY_BOARD_TOP_SOFT_RESET_LOOP(&state);
// Python threading init
#if MICROPY_PY_THREAD
@@ -656,29 +563,19 @@ soft_reset:
// reset config variables; they should be set by boot.py
MP_STATE_PORT(pyb_config_main) = MP_OBJ_NULL;
MICROPY_BOARD_BEFORE_BOOT_PY(&state);
// run boot.py, if it exists
// TODO perhaps have pyb.reboot([bootpy]) function to soft-reboot and execute custom boot.py
if (reset_mode == 1 || reset_mode == 3) {
if (state.run_boot_py) {
const char *boot_py = "boot.py";
int ret = pyexec_file_if_exists(boot_py);
if (ret & PYEXEC_FORCED_EXIT) {
state.last_ret = pyexec_file_if_exists(boot_py);
if (state.last_ret & PYEXEC_FORCED_EXIT) {
goto soft_reset_exit;
}
if (!ret) {
flash_error(4);
}
}
// turn boot-up LEDs off
#if !defined(MICROPY_HW_LED2)
// If there is only one LED on the board then it's used to signal boot-up
// and so we turn it off here. Otherwise LED(1) is used to indicate dirty
// flash cache and so we shouldn't change its state.
led_state(1, 0);
#endif
led_state(2, 0);
led_state(3, 0);
led_state(4, 0);
MICROPY_BOARD_AFTER_BOOT_PY(&state);
// Now we initialise sub-systems that need configuration from boot.py,
// or whose initialisation can be safely deferred until after running
@@ -713,23 +610,24 @@ soft_reset:
// At this point everything is fully configured and initialised.
MICROPY_BOARD_BEFORE_MAIN_PY(&state);
// Run the main script from the current directory.
if ((reset_mode == 1 || reset_mode == 3) && pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
if (state.run_main_py) {
const char *main_py;
if (MP_STATE_PORT(pyb_config_main) == MP_OBJ_NULL) {
main_py = "main.py";
} else {
main_py = mp_obj_str_get_str(MP_STATE_PORT(pyb_config_main));
}
int ret = pyexec_file_if_exists(main_py);
if (ret & PYEXEC_FORCED_EXIT) {
state.last_ret = pyexec_file_if_exists(main_py);
if (state.last_ret & PYEXEC_FORCED_EXIT) {
goto soft_reset_exit;
}
if (!ret) {
flash_error(3);
}
}
MICROPY_BOARD_AFTER_MAIN_PY(&state);
#if MICROPY_ENABLE_COMPILER
// Main script is finished, so now go into REPL mode.
// The REPL mode can change, or it can request a soft reset.
@@ -750,12 +648,19 @@ soft_reset_exit:
// soft reset
MICROPY_BOARD_START_SOFT_RESET(&state);
#if MICROPY_HW_ENABLE_STORAGE
printf("MPY: sync filesystems\n");
if (state.log_soft_reset) {
mp_printf(&mp_plat_print, "MPY: sync filesystems\n");
}
storage_flush();
#endif
printf("MPY: soft reboot\n");
if (state.log_soft_reset) {
mp_printf(&mp_plat_print, "MPY: soft reboot\n");
}
#if MICROPY_PY_BLUETOOTH
mp_bluetooth_deinit();
#endif
@@ -774,10 +679,9 @@ soft_reset_exit:
pyb_thread_deinit();
#endif
gc_sweep_all();
MICROPY_BOARD_END_SOFT_RESET(&state);
// Set reset_mode to normal boot.
reset_mode = 1;
gc_sweep_all();
goto soft_reset;
}