CUBEBITE
/
161006_BDK_SPIslave
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Dependencies: mbed
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Nucleo_SPIslave_F303K8_KSS
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CUBEBITE
Revision 0:24e90e3ca3f4, committed 2016-10-05
- Comitter:
- bcup
- Date:
- Wed Oct 05 07:02:51 2016 +0000
- Child:
- 1:3a338e553a54
- Commit message:
- 161005_K303K8
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Oct 05 07:02:51 2016 +0000
@@ -0,0 +1,113 @@
+#include "mbed.h"
+
+#define DEBUG_SPI
+
+#ifdef DEBUG_SPI
+#define PRINTD(arg1,arg2...) printf(arg1,##arg2)
+#endif
+
+SPISlave spislave(PA_7, PA_6, PA_5, PA_4); // MOSI, MISO, SCLK(CLK), SSEL(CS)=NC
+Serial pc(USBTX, USBRX);
+
+void SPI_SlaveInit()
+{
+ PRINTD("Set the SPI SLAVE format\n");
+ spislave.format(8,0); // setup 8bit 0 mode
+ PRINTD("Set the SPI SLAVE frequency\n");
+ spislave.frequency(); // default 1MHz
+}
+
+void SPI_SlaveWrite()
+{
+ char tx_buffer[255]={0};
+ char reply;
+ char i;
+ char temp;
+ char tx_cnt = 0;
+ int value;
+ PRINTD("Input Strging=");
+ while(1)
+ {
+
+ temp=getchar();
+ tx_buffer[tx_cnt++]=temp;
+ if(temp==0x0d)
+ {
+ tx_buffer[tx_cnt]=0;
+ PRINTD("\nData send Finish...\n");
+ for(i=0;i<=tx_cnt;++i)
+ {
+ PRINTD("%c[%02x]",tx_buffer[i],tx_buffer[i]);
+ }
+ PRINTD("\n\n");
+ for(i=0;i<=tx_cnt;++i)
+ {
+ value=tx_buffer[i];
+ PRINTD("write[%d]=%c[%02x]\n",i,value,value);
+ spislave.reply(value);
+ }
+ for(i=0;i<tx_cnt;++i)
+ {
+ tx_buffer[i]=0;
+ PRINTD("init_tx_buf[%d]=%c\n",i,tx_buffer[i]);
+ }
+ tx_cnt=0;
+ PRINTD("break\n");
+ break;
+ }
+ else
+ {
+ PRINTD("%c[%02x]",tx_buffer[tx_cnt],tx_buffer[tx_cnt]);
+ }
+ }
+ return;
+}
+
+int main()
+{
+ int i;
+ char valueFromMaster;
+ char rx_buffer[255]={0};
+ char rx_cnt = -1;
+ PRINTD("\n=========SLAVE=========\n");
+ SPI_SlaveInit();
+
+ while(1)
+ {
+
+ if(spislave.receive())
+ {
+ PRINTD("----1\n");
+ if(pc.readable())
+ {
+ SPI_SlaveWrite();
+ }
+ PRINTD("----2\n");
+ valueFromMaster = spislave.read();
+ PRINTD("----3\n");
+ //PRINTD("valueFromMaster=");
+ //PRINTD("[%c]%x\n",valueFromMaster,valueFromMaster);
+ rx_buffer[++rx_cnt]=valueFromMaster;
+ if(valueFromMaster==0)
+ {
+ PRINTD("rx_string=");
+ for(i=0;i<rx_cnt;i++)
+ {
+ PRINTD("%c",rx_buffer[i]);
+ }
+ PRINTD("\n");
+ for(i=0;i<=rx_cnt;i++)
+ {
+ rx_buffer[i]=0;
+ PRINTD("Init_rx_buf[%d]=%c\n",i,rx_buffer[i]);
+ }
+ rx_cnt=-1;
+
+ }//valueFromMaster if
+
+ }// spislave.receive() if
+ /*
+
+ */
+ }//end of while
+}//end of main
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Oct 05 07:02:51 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/abea610beb85 \ No newline at end of file