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
main.cpp
- Committer:
- tamaki
- Date:
- 2016-10-17
- Revision:
- 1:a41c274f95e2
- Parent:
- 0:bdbd3d6fc5d5
- Child:
- 2:0ee1c0236a11
File content as of revision 1:a41c274f95e2:
#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
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();
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(" ");
}
}
}
#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);
// 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