mch2022-template-app/main/rp2040_updater.c

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#include <stdio.h>
#include <string.h>
#include <sdkconfig.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <freertos/queue.h>
#include <esp_system.h>
#include <esp_err.h>
#include <esp_log.h>
#include "driver/uart.h"
#include "hardware.h"
#include "managed_i2c.h"
#include "pax_gfx.h"
#include "rp2040.h"
#include "rp2040bl.h"
#include "system_wrapper.h"
#include "graphics_wrapper.h"
#include "esp32/rom/crc.h"
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extern const uint8_t rp2040_firmware_bin_start[] asm("_binary_rp2040_firmware_bin_start");
extern const uint8_t rp2040_firmware_bin_end[] asm("_binary_rp2040_firmware_bin_end");
void display_rp2040_update_state(pax_buf_t* pax_buffer, ILI9341* ili9341, const char* text) {
pax_noclip(pax_buffer);
const pax_font_t* font = pax_get_font("sky mono");
pax_background(pax_buffer, 0xFFFFFF);
pax_vec1_t title_size = pax_text_size(font, 18, "Co-processor update");
pax_draw_text(pax_buffer, 0xFF000000, font, 18, (320 / 2) - (title_size.x / 2), 120 - 30, "Co-processor update");
pax_vec1_t size = pax_text_size(font, 18, text);
pax_draw_text(pax_buffer, 0xFF000000, font, 18, (320 / 2) - (size.x / 2), 120 + 10, text);
ili9341_write(ili9341, pax_buffer->buf);
}
void rp2040_updater(RP2040* rp2040, pax_buf_t* pax_buffer, ILI9341* ili9341) {
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size_t firmware_size = rp2040_firmware_bin_end - rp2040_firmware_bin_start;
char message[64];
uint8_t fw_version;
if (rp2040_get_firmware_version(rp2040, &fw_version) != ESP_OK) {
pax_noclip(pax_buffer);
pax_background(pax_buffer, 0xa85a32);
snprintf(message, sizeof(message) - 1, "RP2040 error");
pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 18, 0, 20*0, message);
snprintf(message, sizeof(message) - 1, "Failed to read firmware version");
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pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 13, 0, 20*1, message);
ili9341_write(ili9341, pax_buffer->buf);
restart();
}
if (fw_version < 0x02) { // Update required
display_rp2040_update_state(pax_buffer, ili9341, "Starting bootloader...");
rp2040_reboot_to_bootloader(rp2040);
esp_restart();
}
if (fw_version == 0xFF) { // RP2040 is in bootloader mode
display_rp2040_update_state(pax_buffer, ili9341, "Starting update...");
uint8_t bl_version;
if (rp2040_get_bootloader_version(rp2040, &bl_version) != ESP_OK) {
pax_noclip(pax_buffer);
pax_background(pax_buffer, 0xa85a32);
snprintf(message, sizeof(message) - 1, "RP2040 update failed");
pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 18, 0, 20*0, message);
snprintf(message, sizeof(message) - 1, "Communication error (1)");
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pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 13, 0, 20*1, message);
ili9341_write(ili9341, pax_buffer->buf);
restart();
}
if (bl_version != 0x01) {
pax_background(pax_buffer, 0xa85a32);
snprintf(message, sizeof(message) - 1, "RP2040 update failed");
pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 18, 0, 20*0, message);
snprintf(message, sizeof(message) - 1, "Unsupported bootloader version");
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pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 13, 0, 20*1, message);
ili9341_write(ili9341, pax_buffer->buf);
restart();
}
rp2040_bl_install_uart();
display_rp2040_update_state(pax_buffer, ili9341, "Preparing...");
while (true) {
vTaskDelay(1 / portTICK_PERIOD_MS);
uint8_t bl_state;
if (rp2040_get_bootloader_state(rp2040, &bl_state) != ESP_OK) {
pax_noclip(pax_buffer);
pax_background(pax_buffer, 0xa85a32);
snprintf(message, sizeof(message) - 1, "RP2040 update failed");
pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 18, 0, 20*0, message);
snprintf(message, sizeof(message) - 1, "Communication error (2)");
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pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 13, 0, 20*1, message);
ili9341_write(ili9341, pax_buffer->buf);
restart();
}
if (bl_state == 0xB0) {
break;
}
if (bl_state > 0xB0) {
pax_noclip(pax_buffer);
pax_background(pax_buffer, 0xa85a32);
snprintf(message, sizeof(message) - 1, "RP2040 update failed");
pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 18, 0, 20*0, message);
snprintf(message, sizeof(message) - 1, "Unknown bootloader state");
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pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 13, 0, 20*1, message);
ili9341_write(ili9341, pax_buffer->buf);
restart();
}
}
display_rp2040_update_state(pax_buffer, ili9341, "Synchronizing...");
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while (true) {
if (rp2040_bl_sync()) break;
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vTaskDelay(100 / portTICK_PERIOD_MS);
}
uint32_t flash_start = 0, flash_size = 0, erase_size = 0, write_size = 0, max_data_len = 0;
bool success = rp2040_bl_get_info(&flash_start, &flash_size, &erase_size, &write_size, &max_data_len);
if (!success) {
pax_noclip(pax_buffer);
pax_background(pax_buffer, 0xa85a32);
snprintf(message, sizeof(message) - 1, "RP2040 update failed");
pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 18, 0, 20*0, message);
snprintf(message, sizeof(message) - 1, "Failed to read information");
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pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 13, 0, 20*1, message);
ili9341_write(ili9341, pax_buffer->buf);
restart();
}
display_rp2040_update_state(pax_buffer, ili9341, "Erasing...");
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uint32_t erase_length = firmware_size;
erase_length = erase_length + erase_size - (erase_length % erase_size); // Round up to erase size
if (erase_length > flash_size - erase_size) {
erase_length = flash_size - erase_size;
}
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bool eraseSuccess = rp2040_bl_erase(flash_start, flash_size - erase_size);//erase_length); < erase whole flash as workaround for a yet to be fixed bug in the calculation of erase_length
if (!eraseSuccess) {
pax_noclip(pax_buffer);
pax_background(pax_buffer, 0xa85a32);
snprintf(message, sizeof(message) - 1, "RP2040 update failed");
pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 18, 0, 20*0, message);
snprintf(message, sizeof(message) - 1, "Failed to erase flash");
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pax_draw_text(pax_buffer, 0xFFFFFFFF, NULL, 13, 0, 20*1, message);
ili9341_write(ili9341, pax_buffer->buf);
vTaskDelay(1000 / portTICK_PERIOD_MS);
restart();
}
uint32_t position = 0;
uint32_t txSize = write_size;
uint8_t* txBuffer = malloc(write_size);
uint32_t blockCrc = 0;
uint32_t totalCrc = 0;
uint32_t totalLength = 0;
while (true) {
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if ((firmware_size - position) < txSize) {
txSize = firmware_size - position;
}
if (txSize == 0) break;
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uint8_t percentage = position * 100 / firmware_size;
pax_noclip(pax_buffer);
pax_background(pax_buffer, 0x325aa8);
snprintf(message, sizeof(message) - 1, "Writing... %u%%", percentage);
display_rp2040_update_state(pax_buffer, ili9341, message);
uint32_t checkCrc = 0;
memset(txBuffer, 0, write_size);
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memcpy(txBuffer, &rp2040_firmware_bin_start[position], txSize);
blockCrc = crc32_le(0, txBuffer, write_size);
totalCrc = crc32_le(totalCrc, txBuffer, write_size);
totalLength += write_size;
bool writeSuccess = rp2040_bl_write(0x10010000 + position, write_size, txBuffer, &checkCrc);
if (writeSuccess && (blockCrc == checkCrc)) {
position += txSize;
} else {
display_rp2040_update_state(pax_buffer, ili9341, "CRC mismatch");
while (!rp2040_bl_sync()) {
vTaskDelay(20 / portTICK_PERIOD_MS);
}
}
}
free(txBuffer);
display_rp2040_update_state(pax_buffer, ili9341, "Finalizing...");
bool sealRes = rp2040_bl_seal(0x10010000, 0x10010000, totalLength, totalCrc);
if (sealRes) {
vTaskDelay(2000 / portTICK_PERIOD_MS);
pax_noclip(pax_buffer);
pax_background(pax_buffer, 0xCCCCCC);
memset(message, 0, sizeof(message));
display_rp2040_update_state(pax_buffer, ili9341, "Update completed");
rp2040_bl_go(0x10010000);
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} else {
display_rp2040_update_state(pax_buffer, ili9341, "Update failed");
vTaskDelay(1000 / portTICK_PERIOD_MS);
restart();
}
while (true) {
vTaskDelay(1000 / portTICK_PERIOD_MS);
}
}
}