Revision 1:a41c274f95e2, committed 2016-10-17

Comitter:

tamaki

Date:

Mon Oct 17 00:20:38 2016 +0000

Parent:

0:bdbd3d6fc5d5

Child:

2:0ee1c0236a11

Commit message:

mbed board check program for SD card(read, write)

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ACM1602NI.cpp	Mon Oct 17 00:20:38 2016 +0000
@@ -0,0 +1,130 @@
+/* An I2C text LCD library for Displaytronic ACM1602NI-FLW-FBW-M01
+ * Copyright 2013, Takuo WATANABE (wtakuo)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#include "mbed.h"
+#include "ACM1602NI.h"
+ 
+#define I2C_SUCCESS 0
+#define I2C_FAILURE 1
+ 
+ACM1602NI::ACM1602NI(PinName sda, PinName scl) : _i2c(sda, scl)
+{
+    init();
+}
+ 
+ACM1602NI::ACM1602NI(I2C &i2c) : _i2c(i2c)
+{
+    init();
+}
+ 
+void ACM1602NI::init()
+{
+    writeCommand(0x01);
+    wait_ms(i2c_command_wait_ms);
+    writeCommand(0x38);
+    wait_ms(i2c_command_wait_ms);
+    writeCommand(0x0f);
+    wait_ms(i2c_command_wait_ms);
+    writeCommand(0x06);
+    wait_ms(i2c_command_wait_ms);
+    locate(0, 0);
+}
+ 
+int ACM1602NI::writeBytes(const char *data, int length, bool repeated)
+{
+    wait_us(i2c_bit_wait_us);
+    _i2c.start();
+    for (int i = 0; i < length; i++) {
+        wait_us(i2c_bit_wait_us);
+        if (_i2c.write(data[i]) != 1) {
+            wait_us(i2c_bit_wait_us);
+            _i2c.stop();
+            return I2C_FAILURE;
+        }
+    }
+    if (!repeated) {
+        wait_us(i2c_bit_wait_us);
+        _i2c.stop();
+    }
+    return I2C_SUCCESS;
+}
+ 
+void ACM1602NI::character(int column, int row, int c)
+{
+    writeCommand(address(column, row));
+    writeData(c);
+}
+ 
+void ACM1602NI::cls()
+{
+    writeCommand(0x01);
+    wait_ms(i2c_command_wait_ms);
+    locate(0, 0);
+}
+ 
+void ACM1602NI::locate(int column, int row)
+{
+    _column = column;
+    _row = row;
+}
+ 
+int ACM1602NI::_putc(int value)
+{
+    if (value == '\n') {
+        _column = 0;
+        _row = (_row + 1) % rows();
+    } else {
+        character(_column, _row, value);
+        _column++;
+        if (_column >= columns()) {
+            _column = 0;
+            _row = (_row + 1) % rows();
+        }
+    }
+    return value;
+}
+ 
+int ACM1602NI::_getc()
+{
+    return -1;
+}
+ 
+void ACM1602NI::writeCommand(int command)
+{
+    char bs[3] = { i2c_addr, 0x00, command };
+    writeBytes(bs, 3);
+}
+ 
+void ACM1602NI::writeData(int data)
+{
+    char bs[3] = { i2c_addr, 0x80, data };
+    writeBytes(bs, 3);
+}
+ 
+int ACM1602NI::address(int column, int row)
+{
+    return 0x80 + row * 0x40 + column;
+}
+ 
+int ACM1602NI::columns()
+{
+    return display_columns;
+}
+ 
+int ACM1602NI::rows()
+{
+    return display_rows;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ACM1602NI.h	Mon Oct 17 00:20:38 2016 +0000
@@ -0,0 +1,95 @@
+/* An I2C text LCD library for Displaytronic ACM1602NI-FLW-FBW-M01
+ * Copyright 2013, Takuo WATANABE (wtakuo)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#ifndef ACM1602NI_H
+#define ACM1602NI_H
+ 
+#include "mbed.h"
+ 
+/** An I2C text LCD library for Displaytronic ACM1602NI-FLW-FBW-M01.
+ * The device does not work with default I2C library due to its slow I2C responce.
+ * This library adds some extra waits so that the device can answer to the I2C commands.
+ * The interface is basically the same as TextLCD by Simon Ford.
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "ACM1602NI.h"
+ *
+ * // p9: sda, p10: scl
+ * ACM1602NI lcd(p9, p10);
+ *
+ * int main() {
+ *     lcd.printf("Hello, World!\n");
+ *     lcd.printf("ACM1602NI\n");
+ * }
+ * @endcode
+ */
+class ACM1602NI : public Stream
+{
+public:
+    /** Create an ACM1602NI object connected to the specified I2C pins.
+     *
+     * @param sda   The I2C data pin
+     * @param scl   The I2C clock pin
+     */
+    ACM1602NI(PinName sda, PinName scl);
+ 
+    /** Create an ACM1602NI object connected to the specified I2C port.
+     *
+     * @param i2c   The I2C port to connect to
+     */
+    ACM1602NI(I2C &i2c);
+ 
+    /** Initialize the device and clear screen
+     */
+    void init();
+ 
+    /** Locate to a screen column and row
+     *
+     * @param column  The horizontal position from the left, indexed from 0
+     * @param row     The vertical position from the top, indexed from 0
+     */
+    void locate(int column, int row);
+ 
+    /** Clear the screen and locate to 0,0 */
+    void cls();
+ 
+    int rows();
+    int columns();
+ 
+protected:
+    virtual int _putc(int value);
+    virtual int _getc();
+ 
+    int address(int column, int raw);
+    void character(int column, int row, int c);
+    int writeBytes(const char *data, int length, bool repeated = false);
+    void writeCommand(int command);
+    void writeData(int data);
+ 
+    static const int i2c_addr = 0x50 << 1;
+    static const int i2c_bit_wait_us = 20;
+    static const int i2c_command_wait_ms = 4;
+ 
+    static const int display_columns = 16;
+    static const int display_rows = 2;
+ 
+    I2C _i2c;
+    int _column, _row;
+};
+ 
+#endif
+ 

--- a/SDFileSystem.lib	Fri Dec 07 11:25:01 2012 +0000
+++ b/SDFileSystem.lib	Mon Oct 17 00:20:38 2016 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/SDFileSystem/#c8f66dc765d4
+http://developer.mbed.org/users/mbed_official/code/SDFileSystem/#8db0d3b02cec

--- 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

--- a/mbed.bld	Fri Dec 07 11:25:01 2012 +0000
+++ b/mbed.bld	Mon Oct 17 00:20:38 2016 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/63cdd78b2dc1
\ No newline at end of file
+http://mbed.org/users/mbed_official/code/mbed/builds/25aea2a3f4e3
\ No newline at end of file