Revision 0:0cbd0489395a, committed 2016-06-08

Comitter:

aktk

Date:

Wed Jun 08 14:16:58 2016 +0000

Commit message:

Sample Program for LPC1768. This works with LPC1114 DistanceSensorUnitProgram.

Changed in this revision

diff -r 000000000000 -r 0cbd0489395a main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jun 08 14:16:58 2016 +0000
@@ -0,0 +1,126 @@
+#include "mbed.h"
+#include <cmath>
+
+DigitalOut myled(LED1);
+Serial pc(USBTX, USBRX);
+Serial com_lpc1114(p13, p14);
+
+LocalFileSystem local("local");  // define Mount Point(which becomes Direcory Path)
+
+void echoback()
+{
+    char str[6] = "HELLO";
+
+    com_lpc1114.putc(0x11); //Functional
+    com_lpc1114.putc(6);    //size of echo
+    pc.printf("echoback: ");
+    for(char ch = 0; ch < 6; ch++) {
+        com_lpc1114.putc(str[ch]);
+        pc.printf("%c",com_lpc1114.getc());
+    }
+    pc.putc('\n');
+
+}
+
+int main()
+{
+    FILE* fp;
+    char cfp;
+    unsigned short dtc;
+    char ctmp;
+    unsigned short dtmp;
+
+    pc.printf("\nPROGRAM BEGIN\n");
+
+    pc.printf("\nselect ch.0\n");
+    com_lpc1114.putc(0);
+
+    cfp = pc.getc();
+    if(cfp == 'l') {
+        fp = fopen("/local/SENSOR00.SAV", "rb");
+        if (fp == NULL) pc.printf("\nfopen failured\n");
+
+        pc.printf("\nload save data to lpc1114\n");
+        com_lpc1114.putc('l');
+        pc.printf("ACK recieved :");
+        //for(int i = 0; i < 9 * 256 + 3 + 6 * 5; i++) {
+        int i = 0;
+
+        while(1) {
+            fread(&cfp, sizeof(char), 1, fp);
+            com_lpc1114.putc(cfp);
+            if(i % 3 == 2) {
+                cfp = com_lpc1114.getc();
+                if (cfp == 0x06) {
+                    for(double j = 0.0; j < log10(static_cast<double>(i / 3 + 1)); j += 1.0)
+                        pc.putc(0x08);
+                    pc.printf("%d", i / 3 + 1);
+                    //pc.getc();
+                }//
+                else if (cfp == 0x04) {
+                    //cfp = com_lpc1114.getc();
+                    //if (cfp == 0x04) {
+                    pc.printf("\nSUCCESSED");
+                    break;
+                    //}
+                }
+            }
+            i++;
+        }
+        fclose(fp);
+    }
+
+    else if (cfp == 'c') {
+        fp = fopen("/local/SENSOR00.SAV", "wb");
+        if (fp == NULL) pc.printf("\nfopen failured\n");
+
+        com_lpc1114.putc('c');
+        pc.printf("sampling:0");
+        for(int i = 0; i < 5; i++){
+            pc.putc(0x08);
+            pc.printf("%d", com_lpc1114.getc());
+        }
+        pc.putc('\n');
+        pc.printf("\nsave data from lpc1114\n");
+        while(1) {
+            ctmp = com_lpc1114.getc();
+            if(ctmp == 0x04)break;
+            dtmp = (static_cast<unsigned short>(ctmp) << 8);
+            ctmp = com_lpc1114.getc();
+            dtmp = dtmp | ctmp;
+            ctmp = com_lpc1114.getc();
+            com_lpc1114.putc(0x06);
+            fwrite(&dtmp, sizeof(unsigned short), 1, fp);
+            fwrite(&ctmp, sizeof(char), 1, fp);
+        }
+        pc.printf("\nSUCCESSED");
+
+        fclose(fp);
+    }
+
+
+
+    pc.printf("\nLOOP\n");
+
+    echoback();
+
+    printf("dtc: 000");
+    while(1) {
+        myled = 1;
+        wait(0.2);
+        com_lpc1114.putc(0x12);//Functional
+        dtc = com_lpc1114.getc();
+        dtc = ((dtc << 8) | com_lpc1114.getc());
+        for(int j = 0; j < 3; j++)
+            pc.putc(0x08);
+        printf("%3d", dtc);
+        myled = 0;
+        wait(0.2);
+        if(pc.readable()) {
+            pc.getc();
+            pc.putc('\n');
+            break;
+        }
+    }
+
+}

diff -r 000000000000 -r 0cbd0489395a mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Jun 08 14:16:58 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/6c34061e7c34
\ No newline at end of file