Revert "Optimize UART data transmission. (#60)

Author: lihuanhuan

app/main.c

@@ -1916,7 +1916,20 @@ static uint8_t calcXor(uint8_t* buf, uint8_t len)
 }
 static void uart_put_data(uint8_t* pdata, uint8_t lenth)
 {
-    app_uart_put_data(pdata, lenth);
+    uint32_t err_code;
+
+    while ( lenth-- )
+    {
+        do
+        {
+            err_code = app_uart_put(*pdata++);
+            if ( (err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_BUSY) )
+            {
+                APP_ERROR_CHECK(err_code);
+            }
+        }
+        while ( err_code == NRF_ERROR_BUSY );
+    }
 }
 
 static void send_stm_data(uint8_t* pdata, uint8_t lenth)

ble-firmware/components/libraries/uart/app_uart.h

@@ -251,7 +251,7 @@ uint32_t app_uart_flush(void);
  */
 uint32_t app_uart_close(void);
 
-uint32_t app_uart_put_data(uint8_t* pdata, uint8_t lenth);
+
 
 #ifdef __cplusplus
 }

ble-firmware/components/libraries/uart/app_uart_fifo.c

@@ -43,7 +43,6 @@
 #include "app_fifo.h"
 #include "nrf_drv_uart.h"
 #include "nrf_assert.h"
-#include "nrf_delay.h"
 
 static nrf_drv_uart_t app_uart_inst = NRF_DRV_UART_INSTANCE(APP_UART_DRIVER_INSTANCE);
 
@@ -244,22 +243,6 @@ uint32_t app_uart_put(uint8_t byte)
     return err_code;
 }
 
-uint32_t app_uart_put_data(uint8_t* pdata, uint8_t lenth)
-{
-    uint32_t count = 0;
-    while (nrf_drv_uart_tx_in_progress(&app_uart_inst))
-    {
-        nrf_delay_ms(10);
-        count++;
-    }
-    if (count > 50)
-    {
-        return NRF_ERROR_BUSY;
-    }
-    ret_code_t ret =  nrf_drv_uart_tx(&app_uart_inst, pdata, lenth);
-    return ret;
-}
-
 
 uint32_t app_uart_close(void)
 {