naoto tanaka / Mbed 2 deprecated sample_for_shinshu_u

sample

Dependencies:   SDFileSystem USBDevice mbed

Files at this revision

API Documentation at this revision

Revision 0:0b48f20e6d6e, committed 2014-09-12

Comitter:
NT32
Date:
Fri Sep 12 05:12:02 2014 +0000
Commit message:
sample

Changed in this revision

SDFileSystem.lib Show annotated file Show diff for this revision Revisions of this file
USBDevice.lib Show annotated file Show diff for this revision Revisions of this file
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/SDFileSystem.lib	Fri Sep 12 05:12:02 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/mbed/code/SDFileSystem/#7b35d1709458

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDevice.lib	Fri Sep 12 05:12:02 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/USBDevice/#5bf05f9b3c7b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Sep 12 05:12:02 2014 +0000
@@ -0,0 +1,97 @@
+#include "mbed.h"
+#include "USBSerial.h"
+#include "SDFileSystem.h"
+
+#define     CW      0x01
+#define     CCW     0x02
+#define     STOP    0x03
+#define     FREE    0x00
+
+DigitalOut  led(P1_28);
+DigitalOut  cs0(P0_20);
+
+DigitalIn   sw(P0_1);
+
+PwmOut      pwm(P1_26);
+
+USBSerial   vcom;
+
+Timer t;
+
+SPI         spi(P1_22, NC, P1_15);
+BusOut      mdrive0(P1_19, P1_25);
+
+SDFileSystem sd(P0_9, P0_8, P1_29, P1_31, "sd");
+
+union MCP4922
+{
+    uint16_t command;
+    struct
+    {
+        //DAC data bits
+        uint16_t    D   :12;
+        //Output power down control bit
+        uint8_t     SHDN:1;
+        //Outout gain select bit
+        uint8_t     GA  :1;
+        //Vref input buffer Control bit
+        uint8_t     BUF :1;
+        //DACa or DACb select bit
+        uint8_t     AB  :1;
+    }bit;
+};
+union MCP4922 dac = {0xF7F};
+
+void systeminit();
+
+int main(){
+    uint16_t velocity = 0;
+    char str[64];
+    systeminit();
+    mdrive0 = CW;
+    pwm = 0.2;
+    while(1){
+        led = !led;
+        velocity += 100;
+        if(velocity > 4095) velocity = 0;
+        dac.bit.D = velocity;
+        cs0 = 0;
+        spi.write(dac.command);
+        cs0 = 1;
+        if(sw == 0){
+            mkdir("/sd/mydir", 0777);
+            
+            FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
+            if(fp == NULL)
+            {
+                vcom.printf("Could not open file for write\n");
+                break;
+            }
+            t.start();
+            fprintf(fp, "Hello fun SD");
+            t.stop();
+            fclose(fp);
+            vcom.printf("The time taken was %d micro seconds\n", t.read_us());
+            vcom.printf("goodbye\n");
+            
+            while(sw == 0){}
+        }
+        wait(0.1);
+    }
+}
+
+void systeminit(){
+    sw.mode(PullUp);
+    wait(0.1);
+    cs0 = 1;
+    dac.bit.AB = 0;
+    dac.bit.BUF = 1;
+    dac.bit.GA = 1;
+    dac.bit.SHDN = 1;
+    dac.bit.D = 1024;
+    spi.format(16,0);
+    spi.frequency(20000000);
+    cs0 = 0;
+    spi.write(dac.command);
+    cs0 = 1;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Sep 12 05:12:02 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9327015d4013
\ No newline at end of file