M tamaki
mbed base board 2016 Check program check for SD card read&write (3 switches, 6 leds, I2C LCD, SD card)
Dependencies: SDFileSystem mbed
Fork of
SDFileSystem_HelloWorld
by 
mbed official
Diff: main.cpp
- Revision:
- 1:a41c274f95e2
- Parent:
- 0:bdbd3d6fc5d5
- Child:
- 2:0ee1c0236a11
--- a/main.cpp Fri Dec 07 11:25:01 2012 +0000
+++ b/main.cpp Mon Oct 17 00:20:38 2016 +0000
@@ -1,19 +1,274 @@
+#define CPP1 0
+#define C1 1
+
+
+#if CPP1
#include "mbed.h"
#include "SDFileSystem.h"
-
+#include "ACM1602NI.h"
+DigitalOut led1(p21);
+DigitalOut led2(p22);
+DigitalOut led3(p23);
+DigitalOut led4(p24);
+DigitalOut led5(p25);
+DigitalOut led6(p26);
+//DigitalIn sw1(p14);
+//DigitalIn sw2(p15);
+//DigitalIn sw3(p16);
+AnalogIn vr(p17);
+
+FILE *fp;
SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
-
-int main() {
- printf("Hello World!\n");
-
- mkdir("/sd/mydir", 0777);
+ACM1602NI lcd(p28, p27); //sda scl
+
+class cChkSw
+{
+public:
+ int st[3];
+ int counter[3];//past counter
+ cChkSw(PinName, PinName, PinName);
+ DigitalIn *sw1;
+ DigitalIn *sw2;
+ DigitalIn *sw3;
+ void init();
+ void chksw();
- FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
- if(fp == NULL) {
- error("Could not open file for write\n");
+protected:
+};
+
+void cChkSw::init()
+{
+}
+
+cChkSw::cChkSw(PinName s1, PinName s2, PinName s3)
+{
+ sw1 = new DigitalIn(s1);
+ sw2 = new DigitalIn(s2);
+ sw3 = new DigitalIn(s3);
+ sw1->mode(PullUp);
+ sw2->mode(PullUp);
+ sw3->mode(PullUp);
+}
+
+void cChkSw::chksw()
+//switch status 0:off, 1:posEdge, 2:on, 3:negEdge
+{
+ static int ssw[3], psw[3], cnt[3], tcnt[3];
+ int i;
+ psw[0] = sw1->read();
+ psw[1] = sw2->read();
+ psw[2] = sw3->read();
+//switch status 0:off, 1:posEdge, 2:on, 3:negEdge
+ for(i = 0; i < 3; i++){
+ if((ssw[i] == 0)&&(psw[i] == 0)){
+ st[i] = 2;//on
+ tcnt[i] ++;
+ counter[i] = tcnt[i];
+ }
+ if((ssw[i] == 0)&&(psw[i] == 1)){
+ st[i] = 3;//negEdge
+ cnt[i] = tcnt[i];
+ tcnt[i] = 0;
+ counter[i] = tcnt[i];
+ }
+ if((ssw[i] == 1)&&(psw[i] == 1)){
+ st[i] = 0;//off
+ tcnt[i] ++;
+ }
+ if((ssw[i] == 1)&&(psw[i] == 0)){
+ st[i] = 1;//posEdge
+ cnt[i] = tcnt[i];
+ tcnt[i] = 0;
+ counter[i] = tcnt[i];
+ }
+ ssw[i] = psw[i];
+ }
+}
+
+int main() {
+ char str[80];
+
+
+ lcd.cls();
+ lcd.locate(0,0);
+ lcd.printf("SD Card chkpgm");
+ lcd.locate(0,1);
+
+// mkdir("/sd/mydir", 0777);
+ led1=led2=led3=led4=led5=led6 = 0;
+ int counter = 0;
+
+ cChkSw cs(p14,p15,p16);
+ while(1){
+ cs.chksw();
+ led6 = 1;
+
+ if(cs.st[0] == 1){
+ led1=led2=led3=led4=led5=led6 = 0;
+ led4 = 1;
+ counter++;
+ FILE *fp = fopen("/sd/sdtest.txt", "w");
+ if(fp == NULL) {
+ error("Could not open file for write\n");
+ led2 = 1;
+ }else{
+ fprintf(fp, "SDcard#%d\n", counter);
+ fclose(fp);
+ lcd.locate(0,1);
+ lcd.printf(" ");
+ lcd.locate(0,1);
+ lcd.printf("counter = %d", counter);
+ led1 = 1;
+ }
+ }
+ if(cs.st[1] == 1){
+ led1=led2=led3=led4=led5=led6 = 0;
+ led5 = 1;
+ fp = fopen("/sd/sdtest.txt", "r");
+ if(fp == NULL) {
+ error("Could not open file for write\n\r");
+ led2 = 1;
+ }else{
+ fscanf(fp, "%s\n", str);//read from SD card
+ lcd.locate(0,1);
+ lcd.printf(" ");//output string to LCD
+ lcd.locate(0,1);
+ lcd.printf("text = %s", str);//output string to USB serial
+ fclose(fp);
+ led1 = 1;
+ }
+ }
+ if(cs.st[2] == 1){
+ led1=led2=led3=led4=led5=led6 = 0;
+ led6 = 1;
+ counter = 0;
+ lcd.locate(0,1);
+ lcd.printf(" ");
+ }
}
- fprintf(fp, "Hello fun SD Card World!");
- fclose(fp);
+}
+#endif
+
+#if C1
+//
+//
+//
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include "ACM1602NI.h"
+
+DigitalOut led1(p21);
+DigitalOut led2(p22);
+DigitalOut led3(p23);
+DigitalOut led4(p24);
+DigitalOut led5(p25);
+DigitalOut led6(p26);
+DigitalIn sw1(p14);
+DigitalIn sw2(p15);
+DigitalIn sw3(p16);
+AnalogIn vr(p17);
+
+FILE *fp;
+SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
+ACM1602NI lcd(p28, p27); //sda scl
+
+//switch status 0:off, 1:posEdge, 2:on, 3:negEdge
+int sw_st[3];
+int sw_cnt[3];//past counter
+
+void chksw(void)
+{
+ static int ssw[3], psw[3], cnt[3], tcnt[3];
+ int i;
+ psw[0] = sw1;
+ psw[1] = sw2;
+ psw[2] = sw3;
+//switch status 0:off, 1:posEdge, 2:on, 3:negEdge
+ for(i = 0; i < 3; i++){
+ if((ssw[i] == 0)&&(psw[i] == 0)){
+ sw_st[i] = 2;//on
+ tcnt[i] ++;
+ sw_cnt[i] = tcnt[i];
+ }
+ if((ssw[i] == 0)&&(psw[i] == 1)){
+ sw_st[i] = 3;//negEdge
+ cnt[i] = tcnt[i];
+ tcnt[i] = 0;
+ sw_cnt[i] = tcnt[i];
+ }
+ if((ssw[i] == 1)&&(psw[i] == 1)){
+ sw_st[i] = 0;//off
+ tcnt[i] ++;
+ }
+ if((ssw[i] == 1)&&(psw[i] == 0)){
+ sw_st[i] = 1;//posEdge
+ cnt[i] = tcnt[i];
+ tcnt[i] = 0;
+ sw_cnt[i] = tcnt[i];
+ }
+ ssw[i] = psw[i];
+ }
+}
+
+int main() {
+ char str[80];
+
+
+ lcd.cls();
+ lcd.locate(0,0);
+ lcd.printf("SD Card chkpgm");
+ lcd.locate(0,1);
- printf("Goodbye World!\n");
+// mkdir("/sd/mydir", 0777);
+ led1=led2=led3=led4=led5=led6 = 0;
+ int counter = 0;
+
+ while(1){
+ chksw();
+ led6 = 1;
+
+ if(sw_st[0] == 1){
+ led1=led2=led3=led4=led5=led6 = 0;
+ led4 = 1;
+ counter++;
+ FILE *fp = fopen("/sd/sdtest.txt", "w");
+ if(fp == NULL) {
+ error("Could not open file for write\n");
+ led2 = 1;
+ }else{
+ fprintf(fp, "SDcard#%d\n", counter);
+ fclose(fp);
+ lcd.locate(0,1);
+ lcd.printf(" ");
+ lcd.locate(0,1);
+ lcd.printf("counter = %d", counter);
+ led1 = 1;
+ }
+ }
+ if(sw_st[1] == 1){
+ led1=led2=led3=led4=led5=led6 = 0;
+ led5 = 1;
+ fp = fopen("/sd/sdtest.txt", "r");
+ if(fp == NULL) {
+ error("Could not open file for write\n\r");
+ led2 = 1;
+ }else{
+ fscanf(fp, "%s\n", str);//read from SD card
+ lcd.locate(0,1);
+ lcd.printf(" ");//output string to LCD
+ lcd.locate(0,1);
+ lcd.printf("text = %s", str);//output string to USB serial
+ fclose(fp);
+ led1 = 1;
+ }
+ }
+ if(sw_st[2] == 1){
+ led1=led2=led3=led4=led5=led6 = 0;
+ led6 = 1;
+ counter = 0;
+ lcd.locate(0,1);
+ lcd.printf(" ");
+ }
+ }
}
+#endif