Diff: spi_slave.cpp

Revision:

15:67fbed00edf2

Parent:

12:c7a8a7fe76fd

Child:

16:79b149aae10a

--- a/spi_slave.cpp	Fri Oct 07 10:10:17 2016 +0000
+++ b/spi_slave.cpp	Tue Oct 11 09:49:14 2016 +0000
@@ -12,7 +12,7 @@
   *
   ******************************************************************************
   */
-
+ 
 /******************************************************************************/
 /* Include Files*/
 /******************************************************************************/
@@ -20,22 +20,22 @@
 #include "spi_slave.h"
 #include "ble_types.h"
 #include "ble_msg_handler.h"
-
-
+ 
+ 
 /******************************************************************************/
 /* Local Defines                                                              */
 /******************************************************************************/
 #define SPI_DUMMY_BYTE      0x00
-
+ 
 #define SPI_TX_BUF_SIZE     64
 #define SPI_TX_EMPTY_DATA   0xFF
-
+ 
 /******************************************************************************/
 /* Extern Variable/functions                                                  */
 /******************************************************************************/
 extern bool toggle_led_flag;
 extern void spi_rx_Data_Callback(uint8_t *rx_data, uint8_t len);
-
+ 
 /******************************************************************************/
 /* Static Variables                                                           */
 /******************************************************************************/
@@ -43,13 +43,13 @@
 SPISlave device(P0_9, P0_11,P0_8, P0_10); // mosi, miso, sclk, ssel
 DigitalOut  spi_rqst(P0_28);
 DigitalOut  spi_rdy(P0_29); 
-
+ 
 static spi_data_ready_callback_t  spi_data_ready_cb; 
-
+ 
 uint8_t spi_tx_buf[SPI_TX_BUF_SIZE];
 uint8_t spi_tx_ptr;
 uint8_t spi_bytes_to_send;
-
+ 
 /******************************************************************************/
 /* Global Functions                                                              */
 /******************************************************************************/
@@ -83,7 +83,7 @@
     spi_bytes_to_send = 0;
     memset(spi_tx_buf, SPI_TX_EMPTY_DATA, SPI_TX_BUF_SIZE);
 }
-
+ 
 /**
  * @brief  Receive data from Master
  * @param  
@@ -105,9 +105,10 @@
             if (spi_bytes_to_send > 0) {
                 //device.reply(rx_buf[byte_cnt]);
                 device.reply(spi_tx_buf[send_ptr++]);                
-                if (spi_tx_ptr++ > SPI_TX_BUF_SIZE) {
-                    spi_tx_ptr= 0;
-                }
+             //   if (spi_tx_ptr++ > SPI_TX_BUF_SIZE) {
+             //       spi_tx_ptr= 0;
+             //   }
+             //   send_ptr++;
                 spi_bytes_to_send--;
                 if(spi_bytes_to_send ==0)
                 {
@@ -127,7 +128,7 @@
         }
     } 
 }
-
+ 
 /**
  * @brief  Send data to Master
  * @param  
@@ -150,7 +151,7 @@
     }
    
 }
-
+ 
 /**
  * @brief  Function used to register spi data receive callback 
  * @param  none
@@ -160,15 +161,15 @@
 {
     spi_data_ready_cb = data_rx_callback;
 }
-
-
+ 
+ 
 void init_interrupt_line(void )
 {
     spi_rqst =0;
     spi_rdy =0;
 }
-
-
+ 
+ 
 /******************************************************************************/
 /* END OF FILE                                                                */
-/******************************************************************************/
+/******************************************************************************/
\ No newline at end of file