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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017-2022 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
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "mboot.h"
#include "ports/stm32/boardctrl.h"
#if MBOOT_ENABLE_DEFAULT_UI
/******************************************************************************/
// LED
#if defined(MBOOT_LED1)
#define LED0 MBOOT_LED1
#elif defined(MICROPY_HW_LED1)
#define LED0 MICROPY_HW_LED1
#endif
#if defined(MBOOT_LED2)
#define LED1 MBOOT_LED2
#elif defined(MICROPY_HW_LED2)
#define LED1 MICROPY_HW_LED2
#endif
#if defined(MBOOT_LED3)
#define LED2 MBOOT_LED3
#elif defined(MICROPY_HW_LED3)
#define LED2 MICROPY_HW_LED3
#endif
#if defined(MBOOT_LED4)
#define LED3 MBOOT_LED4
#elif defined(MICROPY_HW_LED4)
#define LED3 MICROPY_HW_LED4
#endif
// For flashing states: bit 0 is "active", bit 1 is "inactive", bits 2-6 are flash rate.
typedef enum {
LED0_STATE_OFF = 0,
LED0_STATE_ON = 1,
LED0_STATE_SLOW_FLASH = (20 << 2) | 1,
LED0_STATE_FAST_FLASH = (2 << 2) | 1,
LED0_STATE_SLOW_INVERTED_FLASH = (20 << 2) | 2,
} led0_state_t;
static led0_state_t led0_cur_state = LED0_STATE_OFF;
static uint32_t led0_ms_interval = 0;
static int led0_toggle_count = 0;
void led_init(void) {
#if defined(MBOOT_BOARD_LED_INIT)
// Custom LED init function provided by the board.
MBOOT_BOARD_LED_INIT();
#else
// Init LEDs using GPIO calls.
mp_hal_pin_output(LED0);
#ifdef LED1
mp_hal_pin_output(LED1);
#endif
#ifdef LED2
mp_hal_pin_output(LED2);
#endif
#ifdef LED3
mp_hal_pin_output(LED3);
#endif
#endif
led0_cur_state = LED0_STATE_OFF;
}
static void led_state(uint32_t led, int val) {
#if defined(MBOOT_BOARD_LED_STATE)
// Custom LED state function provided by the board.
return MBOOT_BOARD_LED_STATE(led, val);
#else
// Set LEDs using GPIO calls.
if (val) {
MICROPY_HW_LED_ON(led);
} else {
MICROPY_HW_LED_OFF(led);
}
#endif
}
void led_state_all(unsigned int mask) {
led_state(LED0, mask & MBOOT_LED_STATE_LED0);
#ifdef LED1
led_state(LED1, mask & MBOOT_LED_STATE_LED1);
#endif
#ifdef LED2
led_state(LED2, mask & MBOOT_LED_STATE_LED2);
#endif
#ifdef LED3
led_state(LED3, mask & MBOOT_LED_STATE_LED3);
#endif
}
static void led0_state(led0_state_t state) {
led0_cur_state = state;
if (state == LED0_STATE_OFF || state == LED0_STATE_ON) {
led_state(LED0, state);
}
}
void mboot_ui_systick(void) {
if (led0_cur_state != LED0_STATE_OFF && systick_ms - led0_ms_interval > 50) {
uint8_t rate = (led0_cur_state >> 2) & 0x1f;
led0_ms_interval += 50;
if (++led0_toggle_count >= rate) {
led0_toggle_count = 0;
}
led_state(LED0, (led0_cur_state & (led0_toggle_count == 0 ? 1 : 2)));
}
}
/******************************************************************************/
// User button
#ifdef MICROPY_HW_USRSW_PIN
#define RESET_MODE_NUM_STATES (4)
#define RESET_MODE_TIMEOUT_CYCLES (8)
#ifdef LED2
#ifdef LED3
#define RESET_MODE_LED_STATES 0x8421
#else
#define RESET_MODE_LED_STATES 0x7421
#endif
#else
#define RESET_MODE_LED_STATES 0x3210
#endif
static void usrbtn_init(void) {
mp_hal_pin_config(MICROPY_HW_USRSW_PIN, MP_HAL_PIN_MODE_INPUT, MICROPY_HW_USRSW_PULL, 0);
}
static int usrbtn_state(void) {
return mp_hal_pin_read(MICROPY_HW_USRSW_PIN) == MICROPY_HW_USRSW_PRESSED;
}
int mboot_get_reset_mode_default(void) {
usrbtn_init();
int reset_mode = BOARDCTRL_RESET_MODE_NORMAL;
if (usrbtn_state()) {
// Cycle through reset modes while USR is held
// Timeout is roughly 20s, where reset_mode=1
systick_init();
led_init();
reset_mode = 0;
for (int i = 0; i < (RESET_MODE_NUM_STATES * RESET_MODE_TIMEOUT_CYCLES + 1) * 32; i++) {
if (i % 32 == 0) {
if (++reset_mode > RESET_MODE_NUM_STATES) {
reset_mode = BOARDCTRL_RESET_MODE_NORMAL;
}
uint8_t l = RESET_MODE_LED_STATES >> ((reset_mode - 1) * 4);
led_state_all(l);
}
if (!usrbtn_state()) {
break;
}
mp_hal_delay_ms(19);
}
// Flash the selected reset mode
for (int i = 0; i < 6; i++) {
led_state_all(0);
mp_hal_delay_ms(50);
uint8_t l = RESET_MODE_LED_STATES >> ((reset_mode - 1) * 4);
led_state_all(l);
mp_hal_delay_ms(50);
}
mp_hal_delay_ms(300);
}
return reset_mode;
}
#endif
/******************************************************************************/
// State change
void mboot_state_change_default(mboot_state_t state, uint32_t arg) {
switch (state) {
case MBOOT_STATE_DFU_START:
led_state_all(0);
led0_state(LED0_STATE_SLOW_FLASH);
break;
case MBOOT_STATE_DFU_END:
led_state_all(0);
break;
case MBOOT_STATE_FSLOAD_START:
break;
case MBOOT_STATE_FSLOAD_END:
// Flash LEDs based on success/failure of update
for (int i = 0; i < 4; ++i) {
if (arg == 0) {
led_state_all(MBOOT_LED_STATE_LED0 | MBOOT_LED_STATE_LED1 | MBOOT_LED_STATE_LED2);
} else {
led_state_all(MBOOT_LED_STATE_LED0);
}
mp_hal_delay_ms(100);
led_state_all(0);
mp_hal_delay_ms(100);
}
break;
case MBOOT_STATE_FSLOAD_PASS_START:
led_state_all(arg == 0 ? 2 : 4);
break;
case MBOOT_STATE_FSLOAD_PROGRESS:
break;
case MBOOT_STATE_ERASE_START:
led0_state(LED0_STATE_ON);
break;
case MBOOT_STATE_READ_START:
case MBOOT_STATE_WRITE_START:
led0_state(LED0_STATE_FAST_FLASH);
break;
case MBOOT_STATE_ERASE_END:
case MBOOT_STATE_READ_END:
case MBOOT_STATE_WRITE_END:
if (arg == 0) {
led0_state(LED0_STATE_SLOW_FLASH);
} else {
led0_state(LED0_STATE_SLOW_INVERTED_FLASH);
}
break;
}
}
#endif // MBOOT_ENABLE_DEFAULT_UI
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