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esp_modem: Extend modem_console example with USB DTE

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This commit is contained in:
Tomas Rezucha
2022-03-17 12:13:10 +01:00
parent 1f5eb396c5
commit 74040cfd1a
13 changed files with 447 additions and 7 deletions
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1
components/esp_modem/examples/modem_console/main/CMakeLists.txt
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@@ -2,4 +2,5 @@ idf_component_register(SRCS "modem_console_main.cpp"
"console_helper.cpp"
"httpget_handle.c"
"ping_handle.c"
REQUIRES console esp_http_client nvs_flash esp_modem esp_modem_usb_dte
INCLUDE_DIRS ".")

17
components/esp_modem/examples/modem_console/main/Kconfig.projbuild Normal file
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@@ -0,0 +1,17 @@
menu "Example Configuration"
choice EXAMPLE_SERIAL_CONFIG
prompt "Type of serial connection to the modem"
default EXAMPLE_SERIAL_CONFIG_UART
config EXAMPLE_SERIAL_CONFIG_UART
bool "UART"
help
Connect to modem via UART.
config EXAMPLE_SERIAL_CONFIG_USB
bool "USB"
depends on IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
help
Connect to modem via USB (CDC-ACM class). For IDF version >= 4.4.
endchoice
endmenu

24
components/esp_modem/examples/modem_console/main/modem_console_main.cpp
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@@ -18,6 +18,10 @@
#include "cxx_include/esp_modem_dte.hpp"
#include "esp_modem_config.h"
#include "cxx_include/esp_modem_api.hpp"
#if defined(CONFIG_USB_OTG_SUPPORTED)
#include "esp_modem_usb_config.h"
#include "cxx_include/esp_modem_usb_api.hpp"
#endif
#include "esp_log.h"
#include "console_helper.hpp"
#include "my_module_dce.hpp"
@@ -53,13 +57,29 @@ extern "C" void app_main(void)
ESP_ERROR_CHECK(esp_event_loop_create_default());
// init the netif, DTE and DCE respectively
esp_modem_dte_config_t dte_config = ESP_MODEM_DTE_DEFAULT_CONFIG();
esp_modem_dce_config_t dce_config = ESP_MODEM_DCE_DEFAULT_CONFIG(DEFAULT_APN);
esp_netif_config_t ppp_netif_config = ESP_NETIF_DEFAULT_PPP();
esp_netif_t *esp_netif = esp_netif_new(&ppp_netif_config);
assert(esp_netif);
#if defined(CONFIG_EXAMPLE_SERIAL_CONFIG_UART)
esp_modem_dte_config_t dte_config = ESP_MODEM_DTE_DEFAULT_CONFIG();
auto uart_dte = create_uart_dte(&dte_config);
esp_modem_dce_config_t dce_config = ESP_MODEM_DCE_DEFAULT_CONFIG(DEFAULT_APN);
auto dce = create_shiny_dce(&dce_config, uart_dte, esp_netif);
#elif defined(CONFIG_EXAMPLE_SERIAL_CONFIG_USB)
struct esp_modem_usb_term_config usb_config = ESP_MODEM_DEFAULT_USB_CONFIG(0x2C7C, 0x0296); // VID and PID of BG96 modem
// BG96 modem implements Vendor Specific class, that is CDC-ACM like. Interface for AT commands has index no. 2.
usb_config.interface_idx = 2;
esp_modem_dte_config_t dte_config = ESP_MODEM_DTE_DEFAULT_USB_CONFIG(usb_config);
ESP_LOGI(TAG, "Waiting for USB device connection...");
auto dte = create_usb_dte(&dte_config);
std::unique_ptr<DCE> dce = create_BG96_dce(&dce_config, dte, esp_netif);
#else
#error Invalid serial connection to modem.
#endif
assert(dce != nullptr);
// init console REPL environment