A

Dependencies:   mbed

Fork of STM32-NRF-SPI_07112016 by Adem Bayraktar

Revision:
4:9df69d134631
Parent:
3:b4887e2837ab
--- a/main.cpp	Mon Nov 14 14:23:03 2016 +0000
+++ b/main.cpp	Mon Nov 21 13:57:49 2016 +0000
@@ -4,66 +4,29 @@
 //# MOSI    P0_20
 //# MISO    P0_22
 //# CS      P0_7
-DigitalOut spi_cs(P0_7);
-SPIClass SPI1(NRF_SPI1);
+SPISlave device(p20,p22,p25,p7);
 Serial pc(USBTX, USBRX);
 
-uint8_t i,izin=1;
-uint8_t wt_buf[] = "DENEMEE";
-uint8_t rd_buf[7];
-uint32_t x=0;
-
-
-uint8_t DATA_1[50]={0x07,0xdd,0xcc,0xee,0x15,0x23,0x56,0x11,0x33};
-
-
-void WriteBytes(uint16_t addr, uint8_t *pbuf, uint16_t len)
-{
-    uint16_t index;
-    spi_cs = 0;
-    wait_us(20);     
-    for(index=0; index<len; index++)
-    {
-        SPI1.transfer(*pbuf);
-        pbuf++;        
-    }
-    
-    wait_us(20);
-    spi_cs = 1;
-}
-
-void ReadBytes(uint16_t addr, uint8_t *pbuf, uint16_t len)
-{
-    uint16_t index;
-    
-    spi_cs = 0;
-    wait_us(5);   
-    for(index=0; index<len; index++)
-    {
-        *pbuf = SPI1.transfer(0x00);
-        pbuf++;        
-    }
-    spi_cs = 1;
-}
-
 int main(void)
 {   
     pc.baud(9600);
-    SPI1.begin(); //SPI1.begin(P0_6, P0_15, P0_29);//SCK, MOSI, MOSI
     pc.printf("SPI Demo Start\r\n");
-    while(1)
-    {
+     
+    device.format(8,0);        
+    device.frequency(4000000); // 4MHz
+ 
+    uint8_t reply = 20;
+    device.reply(reply);              // Bu satiri commentleyince çalışmıyor doğru, nedenini anlamadim.
  
-         WriteBytes(0, DATA_1, sizeof(DATA_1));
-         for(i=0; i<sizeof(DATA_1); i++)
-         {
-             pc.printf("%02x",DATA_1[i]);
-         }
-         pc.printf("  %d \r\n",x);
-   
-         
-         wait(1);
-         
-         
-    }
+    pc.printf("======================================================\r\n");
+    pc.printf("Startup Next reply will be %d\r\n", reply);
+ 
+    while (1) {
+        if (device.receive()) 
+        {
+            int valueFromMaster = device.read();
+            device.reply(reply++);     // Prime SPI with next reply
+            pc.printf("Received value from Master (%d) Next reply will be %d \r\n", valueFromMaster, reply);
+        }
+    } 
 }
\ No newline at end of file