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feat(openthread): support rcp based on USB Serial JTAG

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This commit is contained in:
Simonas Kazlauskas
2025-06-24 17:34:52 +03:00
committed by Xu Si Yu
parent 76cec451ce
commit 51bcec7ac6
10 changed files with 65 additions and 10 deletions
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2
components/openthread/CMakeLists.txt
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@@ -171,7 +171,7 @@ if(CONFIG_OPENTHREAD_ENABLED)
if(CONFIG_OPENTHREAD_NCP_VENDOR_HOOK)
list(APPEND src_dirs
"src/ncp")
if(CONFIG_OPENTHREAD_RCP_UART)
if(CONFIG_OPENTHREAD_RCP_UART OR CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG)
list(APPEND exclude_srcs
"src/ncp/esp_openthread_ncp_spi.cpp")
elseif(CONFIG_OPENTHREAD_RCP_SPI)

6
components/openthread/Kconfig
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@@ -196,6 +196,12 @@ menu "OpenThread"
select GPIO_CTRL_FUNC_IN_IRAM
help
Select this to enable SPI connection to host.
config OPENTHREAD_RCP_USB_SERIAL_JTAG
depends on ESP_CONSOLE_SECONDARY_USB_SERIAL_JTAG && !OPENTHREAD_CONSOLE_TYPE_USB_SERIAL_JTAG
bool "USB RCP"
help
Select this to enable connection to host over USB JTAG serial.
endchoice
config OPENTHREAD_NCP_VENDOR_HOOK

1
components/openthread/include/esp_openthread_types.h
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@@ -150,6 +150,7 @@ typedef enum {
HOST_CONNECTION_MODE_CLI_USB, /*!< CLI USB connection to the host */
HOST_CONNECTION_MODE_RCP_UART, /*!< RCP UART connection to the host */
HOST_CONNECTION_MODE_RCP_SPI, /*!< RCP SPI connection to the host */
HOST_CONNECTION_MODE_RCP_USB, /*!< RCP USB Serial JTAG connection to the host */
HOST_CONNECTION_MODE_MAX, /*!< Using for parameter check */
} esp_openthread_host_connection_mode_t;

14
components/openthread/private_include/esp_openthread_uart.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -64,6 +64,18 @@ esp_err_t esp_openthread_host_cli_usb_init(const esp_openthread_platform_config_
*/
esp_err_t esp_openthread_host_rcp_uart_init(const esp_openthread_platform_config_t *config);
/**
* @brief Initializes the RCP USB for OpenThread host connection.
*
* @param[in] config The platform configuration.
*
* @return
* - ESP_OK on success
* - ESP_ERROR on failure
*
*/
esp_err_t esp_openthread_host_rcp_usb_init(const esp_openthread_platform_config_t *config);
/**
* @brief Deintializes the uart for OpenThread host connection.
*

2
components/openthread/private_include/openthread-core-esp32x-radio-config.h
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@@ -91,7 +91,7 @@
#ifdef OPENTHREAD_CONFIG_NCP_HDLC_ENABLE
#error `OPENTHREAD_CONFIG_NCP_HDLC_ENABLE` is redefined.
#endif
#define OPENTHREAD_CONFIG_NCP_HDLC_ENABLE CONFIG_OPENTHREAD_RCP_UART
#define OPENTHREAD_CONFIG_NCP_HDLC_ENABLE (CONFIG_OPENTHREAD_RCP_UART || CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG)
/**
* @def OPENTHREAD_LIB_SPINEL_RX_FRAME_BUFFER_SIZE

8
components/openthread/src/esp_openthread_platform.cpp
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -106,6 +106,12 @@ static esp_err_t esp_openthread_host_interface_init(const esp_openthread_platfor
"esp_openthread_host_rcp_uart_init failed");
break;
#endif
#if CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG
case HOST_CONNECTION_MODE_RCP_USB:
ESP_RETURN_ON_ERROR(esp_openthread_host_rcp_usb_init(config), OT_PLAT_LOG_TAG,
"esp_openthread_host_rcp_usb_init failed");
break;
#endif
#if CONFIG_OPENTHREAD_CONSOLE_TYPE_UART
case HOST_CONNECTION_MODE_CLI_UART:
ESP_RETURN_ON_ERROR(esp_openthread_host_cli_uart_init(config), OT_PLAT_LOG_TAG,

4
components/openthread/src/ncp/esp_openthread_ncp.cpp
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@@ -13,11 +13,11 @@
#include "esp_coex_i154.h"
#endif
#if CONFIG_OPENTHREAD_RCP_UART
#if (CONFIG_OPENTHREAD_RCP_UART || CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG)
#include "utils/uart.h"
#endif
#if CONFIG_OPENTHREAD_RCP_UART
#if (CONFIG_OPENTHREAD_RCP_UART || CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG)
extern "C" {
static int NcpSend(const uint8_t *aBuf, uint16_t aBufLength)
{

27
components/openthread/src/port/esp_openthread_uart.c
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@@ -31,7 +31,7 @@ static int s_uart_fd;
static uint8_t s_uart_buffer[ESP_OPENTHREAD_UART_BUFFER_SIZE];
static const char *uart_workflow = "uart";
#if (CONFIG_OPENTHREAD_CLI || (CONFIG_OPENTHREAD_RADIO && CONFIG_OPENTHREAD_RCP_UART))
#if (CONFIG_OPENTHREAD_CLI || (CONFIG_OPENTHREAD_RADIO && (CONFIG_OPENTHREAD_RCP_UART || CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG)))
otError otPlatUartEnable(void)
{
return OT_ERROR_NONE;
@@ -116,6 +116,7 @@ esp_err_t esp_openthread_host_cli_uart_init(const esp_openthread_platform_config
}
#endif
#if CONFIG_OPENTHREAD_RCP_UART
esp_err_t esp_openthread_host_rcp_uart_init(const esp_openthread_platform_config_t *config)
{
esp_err_t ret = ESP_OK;
@@ -135,6 +136,28 @@ esp_err_t esp_openthread_host_rcp_uart_init(const esp_openthread_platform_config
return ret;
}
#endif
#if CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG
esp_err_t esp_openthread_host_rcp_usb_init(const esp_openthread_platform_config_t *config)
{
esp_err_t ret = ESP_OK;
usb_serial_jtag_vfs_set_rx_line_endings(ESP_LINE_ENDINGS_LF);
usb_serial_jtag_vfs_set_tx_line_endings(ESP_LINE_ENDINGS_LF);
ESP_ERROR_CHECK(usb_serial_jtag_driver_install((usb_serial_jtag_driver_config_t *)&config->host_config.host_usb_config));
ESP_ERROR_CHECK(usb_serial_jtag_vfs_register());
usb_serial_jtag_vfs_use_driver();
s_uart_fd = open("/dev/usbserjtag", O_RDWR | O_NONBLOCK);
ESP_RETURN_ON_FALSE(s_uart_fd >= 0, ESP_FAIL, OT_PLAT_LOG_TAG, "open usbserjtag failed");
ret = esp_openthread_platform_workflow_register(&esp_openthread_uart_update, &esp_openthread_uart_process,
uart_workflow);
return ret;
}
#endif
void esp_openthread_uart_deinit()
{
@@ -159,7 +182,7 @@ esp_err_t esp_openthread_uart_process(otInstance *instance, const esp_openthread
int rval = read(s_uart_fd, s_uart_buffer, sizeof(s_uart_buffer));
if (rval > 0) {
#if (CONFIG_OPENTHREAD_CLI || (CONFIG_OPENTHREAD_RADIO && CONFIG_OPENTHREAD_RCP_UART))
#if (CONFIG_OPENTHREAD_CLI || (CONFIG_OPENTHREAD_RADIO && (CONFIG_OPENTHREAD_RCP_UART || CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG)))
otPlatUartReceived(s_uart_buffer, (uint16_t)rval);
#endif
} else if (rval < 0) {

10
examples/openthread/ot_rcp/main/esp_ot_config.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*
@@ -52,7 +52,7 @@
.tx_pin = OPENTHREAD_RCP_UART_TX_PIN, \
}, \
}
#else // CONFIG_OPENTHREAD_RCP_SPI
#elif CONFIG_OPENTHREAD_RCP_SPI // CONFIG_OPENTHREAD_RCP_SPI
#define ESP_OPENTHREAD_DEFAULT_HOST_CONFIG() \
{ \
.host_connection_mode = HOST_CONNECTION_MODE_RCP_SPI, \
@@ -75,6 +75,12 @@
.intr_pin = 9, \
}, \
}
#else // CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG
#define ESP_OPENTHREAD_DEFAULT_HOST_CONFIG() \
{ \
.host_connection_mode = HOST_CONNECTION_MODE_RCP_USB, \
.host_usb_config = USB_SERIAL_JTAG_DRIVER_CONFIG_DEFAULT(), \
}
#endif
#define ESP_OPENTHREAD_DEFAULT_PORT_CONFIG() \

1
examples/openthread/ot_rcp/sdkconfig.ci.rcp_usb Normal file
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@@ -0,0 +1 @@
CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG=y