Revision 2:2e5c85275706, committed 2021-01-08

Comitter:

Yanagihara

Date:

Fri Jan 08 08:02:37 2021 +0000

Parent:

1:6dd6e4386a7e

Commit message:

v3

Changed in this revision

--- a/spi_slave.cpp	Thu Jan 07 10:23:02 2021 +0000
+++ b/spi_slave.cpp	Fri Jan 08 08:02:37 2021 +0000
@@ -1,50 +1,53 @@
 #include "mbed.h"
 
-#include "mcp3208.h"
-
 SPISlave to_cdh(p5,p6,p7,p8); // mosi, miso, sclk, ssel
 Serial pc(USBTX,USBRX);
-
 /*DigitalOut myleds[4] = {LED1,LED2,LED3,LED4}; // mbed動作目視確認用LED
 DigitalOut ADC_on(p21); // ADC用のスイッチをONにするピン
 DigitalOut ADC_off(p22); // ADC用のスイッチをOFFにするピン
 DigitalOut COM_on(p23);
 DigitalOut COM_off(p24);
 DigitalOut myled(LED1);
-
+ 
 AnalogIn v(p16);
 SPI spi(p11,p12,p13);
 MCP3208 mcp3208(spi,p14);
 DigitalOut dyn(p25);*/
-
+ 
 /*float v_bat[5], EPS_cur[5], ADC_cur[5], dyn_cur[5];
 int data;*/
 
 int main()
 {
     pc.printf("--Hi,this is eps(slave).\r\n");
-    to_cdh.format(8,0);
+    to_cdh.format(8,3);
     to_cdh.frequency(1000000);
-    int sdummy = 0xAA;
-    to_cdh.reply(sdummy);
+    
+    int sdummy = 0x0F;
+    to_cdh.reply(sdummy); // set dummy data (通信前に事前にセット)
+    
     while(1) {
         if(to_cdh.receive()) {
             int rcmd = to_cdh.read();
+            
             if(rcmd == 0x01){
-                int sdata = 0x10;
+                int sdata = 0x99;
                 to_cdh.reply(sdata);
                 pc.printf("rcmd: %02x, ",rcmd);
+                pc.printf("send data: %02x\r\n",sdata);
             }
-            if(rcmd == 0x02){
+            
+            // 2byte data
+            else if(rcmd == 0x02){
                 int sdata1 = 0x21;
                 int sdata2 = 0x22;
                 to_cdh.reply(sdata1);
                 to_cdh.reply(sdata2);
                 pc.printf("rcmd: %02x, ",rcmd);
+                pc.printf("send data: %02x, %02x\r\n",sdata1,sdata2);
             }
-            if(rcmd == 0x00){
+            else if(rcmd == 0xFF){
                 to_cdh.reply(sdummy);
-                pc.printf("dummy: %02x\r\n",rcmd);
             }
         }
     }