MeshTalos-Client/managed_components/espressif__esp-serial-flasher/test/serial_io_mock.cpp
2025-12-03 14:20:11 +08:00

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3.3 KiB
C++

/* Copyright 2018-2023 Espressif Systems (Shanghai) CO LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <limits>
#include <vector>
#include <iterator>
#include <algorithm>
#include <iostream>
#include <stdio.h>
#include "esp_loader_io.h"
#include "serial_io_mock.h"
using namespace std;
static vector<int8_t> write_buffer;
static vector<int8_t> read_buffer;
static uint32_t receive_delay = 0;
static int32_t timer = 0;
esp_loader_error_t loader_port_mock_init(const loader_serial_config_t *config)
{
return ESP_LOADER_SUCCESS;
}
void loader_port_mock_deinit()
{
}
esp_loader_error_t loader_port_write(const uint8_t *data, uint16_t size, uint32_t timeout)
{
copy(&data[0], &data[size], back_inserter(write_buffer));
return ESP_LOADER_SUCCESS;
}
esp_loader_error_t loader_port_read(uint8_t *data, uint16_t size, uint32_t timeout)
{
if (read_buffer.size() < size) {
return ESP_LOADER_ERROR_TIMEOUT;
}
if (receive_delay != 0 && timeout != 0) {
if (receive_delay > timeout) {
receive_delay -= timeout;
return ESP_LOADER_ERROR_TIMEOUT;
}
receive_delay = 0;
}
copy_n(read_buffer.begin(), size, data);
read_buffer.erase(read_buffer.begin(), read_buffer.begin() + size);
return ESP_LOADER_SUCCESS;
}
void loader_port_enter_bootloader()
{
// GPIO0 and GPIO2 must be LOW
// Then Reset
}
void loader_port_reset_target()
{
}
void loader_port_delay_ms(uint32_t ms)
{
}
void loader_port_start_timer(uint32_t ms)
{
timer = (int32_t)ms;
}
uint32_t loader_port_remaining_time(void)
{
return (timer > 0) ? timer : 0;
}
// ---------- For testing purposes only ----------
static void SLIP_encode(const int8_t *in_buff, size_t size, vector<int8_t> &encoded_buff)
{
encoded_buff.push_back('\xc0');
for (uint32_t i = 0; i < size; i++) {
if (in_buff[i] == '\xc0') {
encoded_buff.push_back('\xdb');
encoded_buff.push_back('\xdc');
} else if (in_buff[i] == '\xdb') {
encoded_buff.push_back('\xdb');
encoded_buff.push_back('\xdd');
} else {
encoded_buff.push_back(in_buff[i]);
}
}
encoded_buff.push_back('\xc0');
}
void clear_buffers()
{
write_buffer.clear();
read_buffer.clear();
}
int8_t *write_buffer_data()
{
return write_buffer.data();
}
size_t write_buffer_size()
{
return write_buffer.size();
}
void set_read_buffer(const void *data, size_t size)
{
SLIP_encode((const int8_t *)data, size, read_buffer);
}
void print_array(int8_t *data, uint32_t size)
{
for (uint32_t i = 0; i < size; i++) {
printf("%02x, ", (uint8_t)data[i]);
}
printf("\n");
}
void write_buffer_print()
{
print_array(write_buffer.data(), write_buffer.size());
}
void serial_set_time_delay(uint32_t miliseconds)
{
receive_delay = miliseconds;
}