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feat(usj): support set interrupt priority

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This commit is contained in:
Hu Rui
2026-07-06 19:08:13 +08:00
parent e4a269d793
commit 048630bd9a
2 changed files with 15 additions and 2 deletions
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components/esp_driver_usb_serial_jtag/include/driver/usb_serial_jtag.h
+2
View File
@@ -20,11 +20,13 @@ extern "C" {
typedef struct {
uint32_t tx_buffer_size; /* Size of the buffer (in bytes) for the TX direction */
uint32_t rx_buffer_size; /* Size of the buffer (in bytes) for the RX direction */
int intr_priority; /*!< USB-Serial-JTAG interrupt priority, if set to 0, the driver will try to allocate an interrupt with a relative low priority (1,2,3) */
} usb_serial_jtag_driver_config_t;
#define USB_SERIAL_JTAG_DRIVER_CONFIG_DEFAULT() (usb_serial_jtag_driver_config_t) {\
.tx_buffer_size = 256,\
.rx_buffer_size = 256,\
.intr_priority = 0,\
}
/**
components/esp_driver_usb_serial_jtag/src/usb_serial_jtag.c
+13 -2
View File
@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -30,6 +30,8 @@
#define USB_SER_JTAG_ENDP_SIZE (64)
#define USB_SER_JTAG_RX_MAX_SIZE (USB_SER_JTAG_ENDP_SIZE)
#define USB_SER_JTAG_ALLOW_INTR_PRIORITY_MASK ESP_INTR_FLAG_LOWMED
typedef struct {
intr_handle_t intr_handle; /*!< USB-SERIAL-JTAG interrupt handler */
@@ -160,6 +162,10 @@ esp_err_t usb_serial_jtag_driver_install(usb_serial_jtag_driver_config_t *usb_se
ESP_RETURN_ON_FALSE((usb_serial_jtag_config->rx_buffer_size > 0), ESP_ERR_INVALID_ARG, USB_SERIAL_JTAG_TAG, "RX buffer is not prepared");
ESP_RETURN_ON_FALSE((usb_serial_jtag_config->rx_buffer_size > USB_SER_JTAG_RX_MAX_SIZE), ESP_ERR_INVALID_ARG, USB_SERIAL_JTAG_TAG, "RX buffer prepared is so small, should larger than 64");
ESP_RETURN_ON_FALSE((usb_serial_jtag_config->tx_buffer_size > 0), ESP_ERR_INVALID_ARG, USB_SERIAL_JTAG_TAG, "TX buffer is not prepared");
if (usb_serial_jtag_config->intr_priority) {
ESP_RETURN_ON_FALSE((usb_serial_jtag_config->intr_priority > 0) && ((1 << usb_serial_jtag_config->intr_priority) & USB_SER_JTAG_ALLOW_INTR_PRIORITY_MASK),
ESP_ERR_INVALID_ARG, USB_SERIAL_JTAG_TAG, "invalid interrupt priority:%d", usb_serial_jtag_config->intr_priority);
}
p_usb_serial_jtag_obj = (usb_serial_jtag_obj_t*) heap_caps_calloc(1, sizeof(usb_serial_jtag_obj_t), MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
if (p_usb_serial_jtag_obj == NULL) {
ESP_LOGE(USB_SERIAL_JTAG_TAG, "memory allocate error");
@@ -222,7 +228,12 @@ esp_err_t usb_serial_jtag_driver_install(usb_serial_jtag_driver_config_t *usb_se
//Assume tx is idle; if any we have nothing in the ringbuffer so this is probably true.
xSemaphoreGive(p_usb_serial_jtag_obj->tx_idle_sem);
err = esp_intr_alloc(ETS_USB_SERIAL_JTAG_INTR_SOURCE, 0, usb_serial_jtag_isr_handler_default, NULL, &p_usb_serial_jtag_obj->intr_handle);
int isr_flags = 0;
if (usb_serial_jtag_config->intr_priority) {
isr_flags |= 1 << (usb_serial_jtag_config->intr_priority);
}
err = esp_intr_alloc(ETS_USB_SERIAL_JTAG_INTR_SOURCE, isr_flags, usb_serial_jtag_isr_handler_default, NULL, &p_usb_serial_jtag_obj->intr_handle);
if (err != ESP_OK) {
goto _exit;
}