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Implement serial proxying to debug modem communication

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0xFEEDC0DE64
2023-06-20 15:55:41 +02:00
parent 8337221c75
commit e70b509e20
1 changed files with 89 additions and 1 deletions
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90
src/espwifistack.cpp
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@@ -2897,6 +2897,7 @@ esp_err_t modem_init()
constexpr gpio_num_t rxPin = GPIO_NUM_34;
constexpr gpio_num_t rtsPin = GPIO_NUM_19;
constexpr gpio_num_t ctsPin = GPIO_NUM_18;
const auto baudRate = 115200;
{
const gpio_config_t config {
@@ -2976,10 +2977,96 @@ esp_err_t modem_init()
ESP_LOGE(TAG, "gpio_config() failed %s", esp_err_to_name(result));
}
constexpr uart_port_t host_uart_num = UART_NUM_0;
constexpr uart_port_t uart_num = UART_NUM_1;
{
const uart_config_t uart_config = {
.baud_rate = baudRate,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
.rx_flow_ctrl_thresh = 122,
.source_clk = UART_SCLK_APB,
// .source_clk = UART_SCLK_REF_TICK,
};
if (const auto result = uart_param_config(uart_num, &uart_config); result != ESP_OK)
{
ESP_LOGE(TAG, "uart_param_config() failed with %s", esp_err_to_name(result));
return result;
}
}
if (const auto result = uart_set_pin(uart_num, txPin, rxPin, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE); result != ESP_OK)
{
ESP_LOGE(TAG, "uart_set_pin() failed with %s", esp_err_to_name(result));
return result;
}
const int uart_buffer_size = 1024 * 2;
if (const auto result = uart_driver_install(uart_num, uart_buffer_size, uart_buffer_size, 10, nullptr, 0); result != ESP_OK)
{
ESP_LOGE(TAG, "uart_driver_install() failed with %s", esp_err_to_name(result));
return result;
}
ESP_LOGI(TAG, "you now have the power to talk to the modem:");
while (true)
{
#if defined(CONFIG_ESP_TASK_WDT_PANIC) || defined(CONFIG_ESP_TASK_WDT)
if (const auto result = esp_task_wdt_reset(); result != ESP_OK)
ESP_LOGE(TAG, "esp_task_wdt_reset() failed with %s", esp_err_to_name(result));
#endif
size_t length{};
if (const auto result = uart_get_buffered_data_len(host_uart_num, &length); result != ESP_OK)
{
ESP_LOGW(TAG, "uart_get_buffered_data_len() failed with %s", esp_err_to_name(result));
}
else if (length)
{
char data[length];
length = uart_read_bytes(host_uart_num, data, length, 0);
if (const auto written = uart_write_bytes(uart_num, data, length); written < 0)
ESP_LOGE(TAG, "uart_write_bytes() failed with %i", written);
else if (written != length)
ESP_LOGW(TAG, "uart_write_bytes() did not write all bytes %i vs %i", written, length);
}
if (const auto result = uart_get_buffered_data_len(uart_num, &length); result != ESP_OK)
{
ESP_LOGE(TAG, "uart_get_buffered_data_len() failed with %s", esp_err_to_name(result));
vTaskDelay(0);
continue;
}
if (!length)
{
vTaskDelay(0);
continue;
}
char data[length];
length = uart_read_bytes(uart_num, data, length, 0);
if (!length)
{
vTaskDelay(0);
continue;
}
printf("%.*s", length, data);
}
return ESP_OK;
/* Configure and create the DTE */
esp_modem_dte_config_t dte_config = ESP_MODEM_DTE_DEFAULT_CONFIG();
/* setup UART specific configuration based on kconfig options */
dte_config.uart_config.baud_rate = 115200;
dte_config.uart_config.baud_rate = baudRate;
dte_config.uart_config.tx_io_num = txPin;
dte_config.uart_config.rx_io_num = rxPin;
dte_config.uart_config.rts_io_num = rtsPin;
@@ -3068,6 +3155,7 @@ esp_err_t modem_init()
};
work_between();
ESP_LOGI(TAG, "test0 %i", std::to_underlying(esp_modem::dce_commands::generic_command(dte.get(), "AT+DUALSIM?", "PASS", "ERROR", 50000)));
work_between();
ESP_LOGI(TAG, "test1 %i", std::to_underlying(esp_modem::dce_commands::generic_command(dte.get(), "AT+SWITCHSIM?", "PASS", "ERROR", 50000)));