添加 znrf_serial_tx 方法，支持直接通过日志串口输出数据

components/libraries/log/nrf_log_backend_uart.h

@@ -66,6 +66,9 @@ typedef struct {
 
 void nrf_log_backend_uart_init(void);
 
+void znrf_serial_tx(char const * p_buffer, size_t len);
+
+
 #ifdef __cplusplus
 }
 #endif

components/libraries/log/src/nrf_log_backend_uart.c

@@ -88,6 +88,15 @@ static void serial_tx(void const * p_context, char const * p_buffer, size_t len)
     }
 
 }
+void znrf_serial_tx(char const * p_buffer, size_t len){
+    m_xfer_done = false;
+    uint8_t len8 = (uint8_t)(len & 0x000000FF);
+    ret_code_t err_code = nrf_drv_uart_tx(&m_uart, (uint8_t *)p_buffer, len8);
+    while (m_async_mode && (m_xfer_done == false))
+    {
+    }
+}
+
 
 static void nrf_log_backend_uart_put(nrf_log_backend_t const * p_backend,
                                      nrf_log_entry_t * p_msg)