Tsungta Wu / Mbed OS mbed_SPIS_multiByte_example

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Diff: spi_api_multibyte.c

Revision:
1:58f0712d9aa2
Parent:
0:b7415ae44dac
Child:
2:c520d7c7739d
diff -r b7415ae44dac -r 58f0712d9aa2 spi_api_multibyte.c
--- a/spi_api_multibyte.c	Wed May 24 10:17:56 2017 +0000
+++ b/spi_api_multibyte.c	Wed May 31 07:39:37 2017 +0000
@@ -80,7 +80,8 @@
 #endif
 } spi_info_t;
 
-    #define TEST_STRING "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"  //Tsungta, handle 32 bytes per SPI CS cycle
+//    #define TEST_STRING "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"  //Tsungta, handle 32 bytes per SPI CS cycle
+    #define TEST_STRING "012"  //Tsungta, handle 32 bytes per SPI CS cycle    
     uint8_t       m_tx_buf[] = TEST_STRING;           /**< TX buffer. */
     uint8_t       m_rx_buf[sizeof(TEST_STRING)+1];    /**< RX buffer. */
     const uint8_t m_length = sizeof(m_tx_buf);        /**< Transfer length. */
@@ -187,7 +188,8 @@
 
     if (event.evt_type == NRF_DRV_SPIS_XFER_DONE) {
         // Signal that there is some data received that could be read.
-        p_spi_info->flag.readable = true;
+        if(event.rx_amount == 3)//Tsungta
+            p_spi_info->flag.readable = true;
 
         // And prepare for the next transfer.
         // Previous data set in 'spi_slave_write' (if any) has been transmitted,