SDK(main)/example/cherry_usb/cdc_acm_uart 通信会死机.
e[32m[I/TOUCH] Regist touch screen driver, probe=1202627d e[0m
call par CFG1(3313)
fc 9, xtal 2000, pll 2047
call par CFG1(3313)
fc 9, xtal 2000, pll 2046
[I/main] USB-UART Bridge starting…
[I/usb_uart] UART initialized successfully
[I/usb_uart] USB-UART bridge initialized
[I/main] USB-UART Bridge ready
msh />
[22:39:02.393]收←◆[I/usb_uart] USB Configured
[I/usb_uart] Set baud rate: 1000000
[22:39:10.552]收←◆[I/usb_uart] Set baud rate: 115200
[I/usb_uart] Set baud rate: 115200
[22:39:13.325]收←◆Function[rt_mutex_take] shall not be used in ISR
Assertion failed at function:rt_mutex_take, line number:659 ,(0)
Previous ISR enable 1
/* USB CDC ACM Bulk OUT callback - called when USB receives data */
void usbd_cdc_acm_bulk_out(uint8_t busid, uint8_t ep, uint32_t nbytes)
{
if (nbytes > 0)
{
/\* Buffer received data \*/
rt_mutex_take(&buffer_mutex, RT_WAITING_FOREVER);
rt_size_t written = rt_ringbuffer_put(&usb_to_uart_rb, usb_read_buffer, nbytes);
rt_mutex_release(&buffer_mutex);
if (written < nbytes)
{
LOG_W("USB RX buffer overflow: %u bytes lost", nbytes - written);
}
/\* Signal thread to process data \*/
rt_sem_release(&usb_rx_sem);
}
/\* Start next read \*/
usbd_ep_start_read(busid, CDC_OUT_EP, usb_read_buffer, sizeof(usb_read_buffer));
} 应该是这个函数上使用了 metux？这函数是在中断上吗？如何改到不是中断上？
