トランジスタ技術2014年2月号に付属のI2C実験基板を黄mbed(LPC11U24)で動かしてみました。

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
y_notsu
Date:
Mon Jan 13 12:34:19 2014 +0000
Commit message:
????????2014?2???????mbed???????

Changed in this revision

ADT7410.h Show annotated file Show diff for this revision Revisions of this file
LPS331.h 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
diff -r 000000000000 -r 3a0493cd3408 ADT7410.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ADT7410.h	Mon Jan 13 12:34:19 2014 +0000
@@ -0,0 +1,28 @@
+//**********************
+// ADT7410.h
+//
+// (C)Copyright 2013 All rights reserved by Y.Onodera
+// http://einstlab.web.fc2.com
+//**********************
+#include "mbed.h"
+#ifndef ADT7410_H_
+#define ADT7410_H_
+
+
+#define ADT7410_ADDR    0x90
+#define ADT7410_TEMP_H  0x00
+#define ADT7410_TEMP_L  0x01
+#define ADT7410_STATUS  0x02
+#define ADT7410_CONFIG  0x03
+#define ADT7410_THIGH_H 0x04
+#define ADT7410_THIGH_L 0x05
+#define ADT7410_TLOW_H  0x06
+#define ADT7410_TLOW_L  0x07
+#define ADT7410_TCRIT_H 0x08
+#define ADT7410_TCRIT_L 0x09
+#define ADT7410_THYST_H 0x0A
+#define ADT7410_ID  0x0B
+#define ADT7410_RESET   0x2F
+
+
+#endif /* ADT7410_H_ */
\ No newline at end of file
diff -r 000000000000 -r 3a0493cd3408 LPS331.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LPS331.h	Mon Jan 13 12:34:19 2014 +0000
@@ -0,0 +1,35 @@
+//**********************
+// LPS331.h
+//
+// (C)Copyright 2013 All rights reserved by Y.Onodera
+// http://einstlab.web.fc2.com
+//**********************
+#include "mbed.h"
+#ifndef LPS331_H_
+#define LPS331_H_
+
+#define LPS331_ADDR 0xB8
+#define LPS331_REF_P_XL 0x08
+#define LPS331_REF_P_L  0x09
+#define LPS331_REF_P_H  0x0A
+#define LPS331_WHO_AM_I 0x0F
+#define LPS331_RES_CONF 0x10
+#define LPS331_CTRL_REG1    0x20
+#define LPS331_CTRL_REG2    0x21
+#define LPS331_CTRL_REG3    0x22
+#define LPS331_INT_CFG_REG  0x23
+#define LPS331_INT_SOURCE_REG   0x24
+#define LPS331_THS_P_LOW_REG    0x25
+#define LPS331_THS_P_HIGH_REG   0x26
+#define LPS331_STATUS_REG   0x27
+#define LPS331_PRESS_POUT_XL_REH    0x28
+#define LPS331_PRESS_OUT_L  0x29
+#define LPS331_PRESS_OUT_H  0x2A
+#define LPS331_TEMP_OUT_L   0x2B
+#define LPS331_TEMP_OUT_H   0x2C
+#define LPS331_AMP_CTRL 0x2D
+#define LPS331_DELTA_PRESS_XL   0x3C
+#define LPS331_DELTA_PRESS_H    0x3D
+#define LPS331_DELTA_PRESS_L    0x3E
+
+#endif /* LPS331_H_ */
diff -r 000000000000 -r 3a0493cd3408 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jan 13 12:34:19 2014 +0000
@@ -0,0 +1,278 @@
+#include "mbed.h"
+#include "ADT7410.h"
+#include "LPS331.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+#define AQM0802_ADDR    0x7c
+#define CMD 0x00
+#define DAT 0x40
+
+DigitalOut myled(LED1);
+DigitalOut myled2(p29);
+I2C i2c(p28, p27);
+
+void LocateLCD(int x, int y)
+{
+
+    // 8x2
+    char cmd[2];
+    cmd[0]=CMD;
+    cmd[1]=0x80 + y*0x40 + x;
+    i2c.write(AQM0802_ADDR,cmd,2);
+
+}
+
+void PutsLCD(char *buffer)
+{
+
+    while(*buffer != '\0')
+    {
+        char cmd[2];
+        cmd[0]=DAT;
+        cmd[1]=*buffer;
+        i2c.write(AQM0802_ADDR,cmd,2);
+        buffer++;
+    }
+
+}
+
+
+int main() {
+
+    char msg[10];
+    int temp;
+    int l;
+    long press;
+    char cmd[2];
+    char recv[10];
+
+    // set 16bit resolution of ADT7410
+    
+    cmd[0] = ADT7410_CONFIG;
+    cmd[1] = 0xC0;
+    i2c.write(ADT7410_ADDR,cmd,2);
+    
+    // Power ON Cycle=1Hz of LPS331
+    cmd[0]=LPS331_CTRL_REG1;
+    cmd[1]=0x90;
+    i2c.write(LPS331_ADDR,cmd,2);
+    
+    //init LCD
+    // Wait 40ms
+    wait_ms(40);
+    // Function set = 0x38
+    cmd[0]=CMD;
+    cmd[1]=0x38;
+    i2c.write(AQM0802_ADDR,cmd,2);
+    // Wait 26.3us
+    wait_us(26.3);
+    // Function set = 0x39
+    cmd[0]=CMD;
+    cmd[1]=0x39;
+    i2c.write(AQM0802_ADDR,cmd,2);
+    // Wait 26.3us
+    wait_us(26.3);
+    // Internal OSC frequency = 0x14
+    cmd[0]=CMD;
+    cmd[1]=0x14;
+    i2c.write(AQM0802_ADDR,cmd,2);
+    // Wait 26.3us
+    wait_us(26.3);
+    // Contrast set = 0x70
+    cmd[0]=CMD;
+    cmd[1]=0x70;
+    i2c.write(AQM0802_ADDR,cmd,2);
+    // Wait 26.3us
+    wait_us(26.3);
+    // Power/ICON/Contrast control = 0x56
+    cmd[0]=CMD;
+    cmd[1]=0x56;
+    i2c.write(AQM0802_ADDR,cmd,2);
+    // Wait 26.3us
+    wait_us(26.3);
+    // Follower control = 0x6C
+    cmd[0]=CMD;
+    cmd[1]=0x6C;
+    i2c.write(AQM0802_ADDR,cmd,2);
+    // Wait 200ms
+    wait_ms(200);
+    // Function set = 0x38
+    cmd[1]=0x38;
+    i2c.write(AQM0802_ADDR,cmd,2);
+    // Wait 26.3us
+    wait_us(26.3);
+    // Display ON/OFF control = 0x0C
+    cmd[1]=0x0C;
+    i2c.write(AQM0802_ADDR,cmd,2);
+    // Wait 26.3us
+    wait_us(26.3);
+    // Clear Display = 0x01
+    cmd[1]=0x01;
+    i2c.write( AQM0802_ADDR,cmd,1);
+    // Wait 1.08ms
+    wait_ms(1.08);
+
+#define PCF8591_ADDR 0x92
+#define M24LC64_ADDR 0xA0
+#define EEPROM
+#define ADC
+#define TEMP
+#define BAR
+
+    while(1)
+    {
+
+
+#ifdef EEPROM
+        
+        // Clear Display = 0x01
+        cmd[0]=CMD;
+        cmd[1]=0x01;
+        i2c.write(AQM0802_ADDR,cmd,2);
+        // Wait 2ms
+        wait_ms(2);
+        // EEPROM 0x0002=0x5A
+        char EEPROM_CMD[3];
+        EEPROM_CMD[0]=0x00;
+        EEPROM_CMD[1]=0x02;
+        EEPROM_CMD[2]=0x5A;
+        i2c.write(M24LC64_ADDR,EEPROM_CMD,3);
+        wait_us(131.5);
+
+        //for(l=0;l<0x1FFF;l++){
+        for(l=0;l<0x10;l++){
+            // EEPROM for 24LC64
+            EEPROM_CMD[0]=l>>8;
+            EEPROM_CMD[1]=l&0xFF;
+            i2c.write(M24LC64_ADDR,EEPROM_CMD,2);
+            i2c.read(M24LC64_ADDR,EEPROM_CMD,1);
+            temp=EEPROM_CMD[0];
+            LocateLCD(0,0);
+            PutsLCD("ADR=");
+            //itoa(l,msg,16);
+            sprintf(msg,"%x",l);
+            PutsLCD(msg);
+            LocateLCD(0,1);
+            PutsLCD("DAT=");
+            //itoa(temp,msg,16);
+            sprintf(msg,"%x",temp);
+            PutsLCD(msg);
+            PutsLCD(" ");
+            myled2=1;
+            wait_ms(100);
+            myled2=0;
+            wait_ms(1000);
+        }
+#endif
+
+
+#ifdef ADC
+        // Clear Display = 0x01
+        cmd[0]=CMD;
+        cmd[1]=0x01;
+        i2c.write(AQM0802_ADDR,cmd,2);
+        // Wait 2ms
+        wait_ms(2);
+        // A/D for PCF8591
+        //GetI2C(0x40, PCF8591_ADDR); // ch0 with D/A enable
+        cmd[0]=0x40;
+        i2c.write(PCF8591_ADDR,cmd,1);
+        i2c.read(PCF8591_ADDR,cmd,1);
+//      GetI2C(0x01, PCF8591_ADDR); // ch1
+//      GetI2C(0x02, PCF8591_ADDR); // ch2
+//      GetI2C(0x03, PCF8591_ADDR); // ch3
+        temp=cmd[0];
+        //itoa(temp,msg,10);
+        sprintf(msg,"%d",temp);
+        LocateLCD(0,0);
+        PutsLCD("A/D=");
+        PutsLCD(msg);
+        PutsLCD("    ");
+        myled2=1;
+        // D/A for PCF8591
+        //PutI2C(0x40, temp, PCF8591_ADDR);
+        cmd[0]=0x40;
+        cmd[1]=temp;
+        i2c.write(PCF8591_ADDR,cmd,2);
+        wait_ms(1000);
+        myled2=0;
+        wait_ms(1000);
+#endif
+
+#ifdef TEMP
+        // Temperature
+        // RDY?
+        // Clear Display = 0x01
+        cmd[0]=CMD;
+        cmd[1]=0x01;
+        i2c.write(AQM0802_ADDR,cmd,2);
+        // Wait 2ms
+        wait_ms(2);
+        do{
+            //GetI2C(ADT7410_STATUS, ADT7410_ADDR);
+            
+            cmd[0]=ADT7410_STATUS;
+            
+            i2c.write(ADT7410_ADDR, cmd,1);
+            i2c.read(ADT7410_ADDR, recv,1);
+            temp=recv[0];
+        }while(temp & 0x80);
+
+        // get temp_high
+        cmd[0]=ADT7410_TEMP_H;
+        i2c.write(ADT7410_ADDR,cmd,1);
+        i2c.read(ADT7410_ADDR,recv,1);
+        temp=recv[0]*0x100;
+        // get temp_low
+        cmd[0]=ADT7410_TEMP_L;
+        i2c.write(ADT7410_ADDR,cmd,1);
+        i2c.read(ADT7410_ADDR,recv,1);
+        temp+=recv[0];
+//      temp/=128;  // for C
+        temp/=13;
+        //itoa(temp,msg,10);
+        sprintf(msg,"%d",temp);
+        l=strlen(msg);
+        msg[l]=msg[l-1];
+        msg[l-1]='.';
+        msg[l+1]=0;
+        LocateLCD(0,0);
+        PutsLCD(msg);
+        PutsLCD("C   ");
+        myled2=1;
+        wait_ms(1000);
+#endif
+
+#ifdef BAR
+        // Barometer
+        // get press_high
+        cmd[0]=LPS331_PRESS_OUT_H;
+        i2c.write(LPS331_ADDR,cmd,1);
+        i2c.read(LPS331_ADDR,recv,1);
+        press=recv[0]*0x10000;
+        // get tpress_low
+        cmd[0]=LPS331_PRESS_OUT_L;
+        i2c.write(LPS331_ADDR,cmd,1);
+        i2c.read(LPS331_ADDR,recv,1);
+        press+=recv[0]*0x100;
+        // get press_xl
+        cmd[0]=LPS331_PRESS_POUT_XL_REH;
+        i2c.write(LPS331_ADDR,cmd,1);
+        i2c.read(LPS331_ADDR,recv,1);
+        press+=recv[0];
+//      press/=4096;    // for hPa
+        press/=41;
+        //itoa(press,msg,10);
+        sprintf(msg,"%d",press);
+        LocateLCD(0,1);
+        PutsLCD(msg);
+        PutsLCD("Pa ");
+        myled2=0;
+        wait_ms(1000);
+#endif
+
+    }
+
+}
+
diff -r 000000000000 -r 3a0493cd3408 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Jan 13 12:34:19 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/a9913a65894f
\ No newline at end of file