Diff: main.cpp

Revision:

0:b720fba8540a

diff -r 000000000000 -r b720fba8540a main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jul 28 17:20:58 2015 +0000
@@ -0,0 +1,102 @@
+/*
+
+Copyright (c) 2012-2014 RedBearLab
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+and associated documentation files (the "Software"), to deal in the Software without restriction, 
+including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
+subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+*/
+
+#include "mbed.h"
+#include "spi_master.h"
+
+DigitalOut spi_cs(P0_7);
+
+SPIClass SPI1(NRF_SPI1);
+
+Serial pc(USBTX, USBRX);
+
+void Flash_Buff_WriteBytes(uint16_t addr, uint8_t *pbuf, uint16_t len)
+{
+    uint16_t index;
+    
+    spi_cs = 0;
+    wait_us(200);
+    
+    SPI1.transfer(0x84);   
+    SPI1.transfer(0x00);    
+    SPI1.transfer((uint8_t)(addr>>8));    
+    SPI1.transfer((uint8_t)addr);     
+    for(index=0; index<len; index++)
+    {
+        SPI1.transfer(*pbuf);
+        pbuf++;        
+    }
+    
+    wait_us(200);
+    spi_cs = 1;
+}
+
+void Flash_Buff_ReadBytes(uint16_t addr, uint8_t *pbuf, uint16_t len)
+{
+    uint16_t index;
+    
+    spi_cs = 0;
+    wait_us(200);
+    
+    SPI1.transfer(0xD1);   
+    SPI1.transfer(0x00);    
+    SPI1.transfer((uint8_t)(addr>>8));    
+    SPI1.transfer((uint8_t)addr);     
+    for(index=0; index<len; index++)
+    {
+        *pbuf = SPI1.transfer(0x00);
+        pbuf++;        
+    }
+    
+    wait_us(200);
+    spi_cs = 1;
+}
+
+uint8_t i;
+uint8_t wt_buf[7] = {'H','e','l','l', 'o', '\r', '\n'};
+uint8_t rd_buf[7];
+
+int main(void)
+{   
+    pc.baud(9600);
+    wait(8);
+    spi_cs = 1;
+    pc.printf("SPI Demo Start \r\n");
+    
+    //SPI1.begin();
+    SPI1.begin(P0_6, P0_15, P0_29);//SCK, MOSI, MOSI
+    
+    wait(1);
+    Flash_Buff_WriteBytes(0, wt_buf, 7);
+    while(1)
+    {
+         memset(rd_buf, 0x00, 7);
+         Flash_Buff_ReadBytes(0, rd_buf, 7);
+         for(i=0; i<7; i++)
+            pc.putc(rd_buf[i]);
+         wait(1);
+    }
+}
+
+
+
+
+
+
+