Revision 11:bccfd75e84a0, committed 2014-06-15

Comitter:

kenjiArai

Date:

Sun Jun 15 03:35:18 2014 +0000

Parent:

10:398f62bb41f7

Child:

12:1e21119688fe

Commit message:

Barometer program / Step by step approach -> 5th step,; baro_BMP180.c -> Separated LCD part and BMP180 part and use exsiting Lib.(LCD) and new Lib.(BMP180)

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BMP180.lib	Sun Jun 15 03:35:18 2014 +0000
@@ -0,0 +1,1 @@
+BMP180#9c1a7a1f0d97

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.lib	Sun Jun 15 03:35:18 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/wim/code/TextLCD/#986538f94abe

--- a/baro_BMP180.cpp	Sat Jun 14 01:37:54 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,303 +0,0 @@
-/*
- * mbed Application program for the mbed LPC1114F
- *  Control Bosch BMP180 Pressure Sensor, LCD "AQM0802A-RN-GBW"
- *
- *  Copyright (C) 2012,'13,'14 Kenji Arai/JH1PJL
- *  http://www.page.sannet.ne.jp/kenjia/index.html
- *  http://mbed.org/users/kenjiArai/
- *      September 30th, 2012    Change to STM32L
- *      August    14th, 2013
- *      May       24th, 2014    start mbed LPC1114
- *      June      13th, 2014
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
- * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
- * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-/*
- *---------------- REFERENCE ----------------------------------------------------------------------
- *      https://mbed.org/components/AQM0802A-RN-GBW/
- */
-/*
- *  LCD module "AQM0802A-RN-GBW" sample program
- *
- *  AQM0802A-RN-GBW is an I2C text LCD panel (Controller: Sitronix ST7032i)
- *  I bought this from AKIZUKI DENSHI TSUSHO CO.,LTD.
- *  http://akizukidenshi.com/catalog/g/gP-06669/ (Online shop page (Japanese))
- *  http://akizukidenshi.com/download/ds/sitronix/st7032.pdf (datasheet of the chip)
- *
- *  Original Arduino version was developed by
- *  Copyright (c) 2013 Masahiro WAKAYAMA at SWITCH SCIENCE
- *
- *  Copyright (c) 2013 Yoshihiro TSUBOI
- *  Released under the MIT License: http://mbed.org/license/mit
- *  revision 1.0  19-June-2013   a. 1st release
- */
-/*
- *---------------- REFERENCE ----------------------------------------------------------------------
- *      Bosch Sensortec BMP180 Datasheet : BST-BMP180-DS000-09 Revision: 2.5  Date: 5 April 2013
- */
-#include "mbed.h"
-
-I2C i2c(dp5,dp27);              // SDA, SCL
-
-//-------------------------------------------------------------------------------------------------
-//  LCD "AQM0802A-RN-GBW"
-//-------------------------------------------------------------------------------------------------
-// LCD fixed address
-const int AQCM0802_addr = 0x7C;
-// LCD contrast data
-unsigned char contrast = 0;     // 0-63
-char lcd_dt[2];
-
-//  LCD Control Program
-void lcd_cmd(char x) {      // Set command
-    lcd_dt[0] = 0x00; // CO = 0,RS = 0
-    lcd_dt[1] = x;
-    i2c.write(AQCM0802_addr, lcd_dt, 2);
-}
-
-void lcd_contdata(char x) {
-    lcd_dt[0] = 0xC0; //0b11000000 CO = 1, RS = 1
-    lcd_dt[1] = x;
-    i2c.write(AQCM0802_addr, lcd_dt, 2);
-}
-
-void lcd_lastdata(char x) {
-    lcd_dt[0] = 0x40; //0b10000000 CO = 0, RS = 1
-    lcd_dt[1] = x;
-    i2c.write(AQCM0802_addr, lcd_dt, 2);
-}
-
-void lcd_printStr(const char *s) {  // Print strings
-    while(*s) {
-        if(*(s + 1)) {
-          lcd_contdata(*s);
-        } else {
-          lcd_lastdata(*s);
-        }
-        s++;
-    }
-}
-
-void lcd_init() {       // Initialize LCD
-    wait(0.04);
-    // LCD initialize
-    lcd_cmd(0x38); // function set
-    lcd_cmd(0x39); // function set
-    lcd_cmd(0x04); // EntryModeSet
-    lcd_cmd(0x14); // interval osc
-    lcd_cmd(0x70 | (contrast & 0xF)); // contrast Low
-    lcd_cmd(0x5C | ((contrast >> 4) & 0x3)); // contast High/icon/power
-    lcd_cmd(0x6C); // follower control
-    wait(0.2);
-    lcd_cmd(0x38); // function set
-    lcd_cmd(0x0C); // Display On
-    lcd_cmd(0x01); // Clear Display
-    wait(0.2); // need additional wait to Clear Display
-}
-
-void lcd_setCursor(unsigned char x,unsigned char y) {   // Set cursor position
-    lcd_cmd(0x80 | (y * 0x40 + x));
-}
-
-void setContrast(unsigned char c) {
-    lcd_cmd(0x39);
-    lcd_cmd(0x70 | (c & 0x0f)); // contrast Low
-    lcd_cmd(0x5C | ((c >> 4) & 0x03)); // contast High/icon/power
-    lcd_cmd(0x38);
-}
-
-//-------------------------------------------------------------------------------------------------
-//  Barometer
-//-------------------------------------------------------------------------------------------------
-//  Barometer I2C ADDDRESS
-//  7bit address = 0b1110111(0x77) -> 8bit = 0b11101110(0xee) -> 0xef(Read) or 0xee(Write)
-#define BMP180ADDR  0xee                // No other choice
-
-// Over sampling Enable (1) or not(0)
-#define OSS_ON                  1
-
-//  Bosch barmeter ID
-#define BMP180_CHIP_ID          0x55
-#define UNKNOWN_ID              0
-
-//  register address
-#define BARO_PROM_ADDR          0xaa
-#define BARO_CHIP_ID_REG        0xd0
-#define BARO_VERSION_REG        0xd1
-#define BARO_CTRL_MEAS_REG      0xf4
-#define BARO_ADC_OUT_MSB_REG    0xf6
-#define BARO_ADC_OUT_LSB_REG    0xf7
-#define BARO_SOFT_RESET_REG     0xe0
-
-//  Calibration coefficients address
-#define B_AC1                   0xaa
-#define B_AC2                   0xac
-#define B_AC3                   0xae
-#define B_AC4                   0xb0
-#define B_AC5                   0xb2
-#define B_AC6                   0xb4
-#define B_B1                    0xb6
-#define B_B2                    0xb8
-#define B_MB                    0xba
-#define B_MC                    0xbc
-#define B_MD                    0xbe
-
-#define CONST_MG                3038
-#define CONST_MH                7357
-#define CONST_MI                3791
-
-//  Control data
-#define BARO_PROM_DATA__LEN     22
-#define B_TEMP_MEASURE          0x2e    // temperature measurent
-#define B_PRES_MEASURE          0x34    // pressure measurement
-#define B_PRES_MEASURE_OSS3     0xf4    // pressure /over sampling #3
-#define B_RESET_CMD             0xb6    // Reset chip command
-
-const char BMP180_addr = BMP180ADDR;    // define the I2C Address
-
-//  Barometer
-uint32_t baro_pres_data;                // Barometer /normalized
-int16_t  baro_temp_data;
-uint32_t baro_pressure_ave_data;        // Temperature /normalized
-int16_t  baro_temp_ave_data;
-uint8_t  sensor_type;                   // Get sensor ID
-
-//  Raw data
-char     baro_dt[BARO_PROM_DATA__LEN];
-int32_t  raw_pres;
-int32_t  raw_temp;
-uint8_t  oss_setting;
-
-//  EEPROM Data (Coefficient data)
-int16_t  eep_ac1;
-int16_t  eep_ac2;
-int16_t  eep_ac3;
-uint16_t eep_ac4;
-uint16_t eep_ac5;
-uint16_t eep_ac6;
-int16_t  eep_b1;
-int16_t  eep_b2;
-int16_t  eep_mb;     // not use
-int16_t  eep_mc;
-int16_t  eep_md;
-
-//  Barometer Control Program
-void baro_st_conv_temp( void ){     //  Start Conversion / temperature
-    baro_dt[0] = BARO_CTRL_MEAS_REG;
-    baro_dt[1] = B_TEMP_MEASURE; 
-    i2c.write(BMP180_addr, baro_dt, 2);
-}
-
-void baro_rd_press( void ){         //  Read temperature
-    baro_dt[0] = BARO_ADC_OUT_MSB_REG;    
-    i2c.write(BMP180_addr, baro_dt, 1);
-    i2c.read(BMP180_addr,baro_dt,3);
-    raw_pres = ( baro_dt[0] << 16 | baro_dt[1] << 8 | baro_dt[2] ) >> (8 - oss_setting );
-}
-
-void baro_st_conv_press( void ){    //  Start Conversion / Pressure
-    oss_setting = 3;
-    baro_dt[0] = BARO_CTRL_MEAS_REG;
-    baro_dt[1] = B_PRES_MEASURE_OSS3; 
-    i2c.write(BMP180_addr, baro_dt, 2);
-}
-
-void baro_rd_temp( void ){          //  Read pressure
-    baro_dt[0] = BARO_ADC_OUT_MSB_REG;    
-    i2c.write(BMP180_addr, baro_dt, 1);
-    i2c.read(BMP180_addr,baro_dt,3);
-    raw_temp = baro_dt[0] << 8 | baro_dt[1];
-}
-
-void baro_rd_coefficient( void ){   //  Read Coefficient data
-uint16_t i;
-
-    for( i= 0; i < BARO_PROM_DATA__LEN; i++ ){
-        baro_dt[i] = 0;
-    }
-    baro_dt[0] = BARO_PROM_ADDR;
-    i2c.write(BMP180_addr, baro_dt, 1);
-    i2c.read(BMP180_addr,baro_dt,BARO_PROM_DATA__LEN);
-    // parameters AC1-AC6
-    eep_ac1 =  (baro_dt[0] << 8)  | baro_dt[1];
-    eep_ac2 =  (baro_dt[2] << 8)  | baro_dt[3];
-    eep_ac3 =  (baro_dt[4] << 8)  | baro_dt[5];
-    eep_ac4 =  (baro_dt[6] << 8)  | baro_dt[7];
-    eep_ac5 =  (baro_dt[8] << 8)  | baro_dt[9];
-    eep_ac6 =  (baro_dt[10] << 8) | baro_dt[11];
-    // parameters B1,B2
-    eep_b1  =  (baro_dt[12] << 8) | baro_dt[13];
-    eep_b2  =  (baro_dt[14] << 8) | baro_dt[15];
-    // parameters MB,MC,MD
-    eep_mb  =  (baro_dt[16] << 8) | baro_dt[17];
-    eep_mc  =  (baro_dt[18] << 8) | baro_dt[19];
-    eep_md  =  (baro_dt[20] << 8) | baro_dt[21];
-}
-
-void baro_rd_id( void ){            //  Read Chip ID
-    baro_dt[0] = BARO_CHIP_ID_REG;
-    i2c.write(BMP180_addr, baro_dt, 1);
-    i2c.read(BMP180_addr,baro_dt,1);
-    sensor_type = baro_dt[0];
-}
-
-/*
- *  Pressure Nomailzation
- *      Reference: Bosch Sensortec  BMP180  Datasheet=BST-BMP180-DS000-09
- *                  Revision: 2.5  Date: 5 April 2013  Page15   
- *      http://www.bosch-sensortec.com/homepage/products_3/environmental_sensors_1/bmp180_1/bmp180
- */
-void cal_pressure( void ){
-int32_t  dt_x1 = 0, dt_x2 = 0, dt_x3, dt_b3, dt_b5 = 0, dt_b6;
-uint32_t dt_b4, dt_b7;
-long long int d;
-
-    if ( sensor_type == BMP180_CHIP_ID ){
-        dt_x1 = ( ( raw_temp - (int32_t)eep_ac6 ) * (int32_t)eep_ac5 ) >> 15;
-        dt_x2 = ( (int32_t)eep_mc << 11 ) / ( dt_x1 + (int32_t)eep_md );
-        dt_b5 = dt_x1 + dt_x2;
-    }
-    baro_temp_data = ( ( dt_b5 + 8 ) >> 4 );// temperature in 0.1 degC
-    // Cal_pressure
-    dt_b6 = dt_b5 - 4000;
-    dt_x1 = ( dt_b6 * dt_b6 ) >> 12;
-    dt_x1 *= eep_b2;
-    dt_x1 >>= 11;
-    dt_x2 = ( eep_ac2 * dt_b6 );
-    dt_x2 >>= 11;
-    dt_x3 = dt_x1 + dt_x2;
-    dt_b3 = ( ((((long)eep_ac1) * 4 + dt_x3 ) << oss_setting ) + 2 ) >> 2;
-    dt_x1 = ( eep_ac3 * dt_b6 ) >> 13;
-    dt_x2 = ( eep_b1 * ( ( dt_b6 * dt_b6 ) >> 12 ) ) >> 16;
-    dt_x3 = ( ( dt_x1 + dt_x2 ) + 2 ) >> 2;
-    dt_b4 = ( eep_ac4 * (uint32_t)(dt_x3 + 32768)) >> 15;
-    dt_b7 = ( (uint32_t)( raw_pres - dt_b3 ) * ( 50000>> oss_setting ) );
-    if (dt_b7 < 0x80000000){
-        baro_pres_data = (dt_b7 << 1) / dt_b4;
-    } else {
-        baro_pres_data = (dt_b7 / dt_b4) << 1;
-    }
-    d = (long long int)baro_pres_data;
-    d *= d;
-    dt_x1 = (int32_t)( d / 65536 );
-    dt_x1 = ( dt_x1 * CONST_MG ) >> 16;
-    dt_x2 = ( CONST_MH * baro_pres_data ) >> 16;
-    dt_x2 *= -1;
-    // pressure in Pa
-    baro_pres_data += ( dt_x1 + dt_x2 + CONST_MI ) >> 4;
-    /* averaging */
-    if ( baro_pressure_ave_data == 0){
-        baro_pressure_ave_data = baro_pres_data;
-    } else {
-        baro_pressure_ave_data = (( baro_pressure_ave_data * 9 ) + ( baro_pres_data * 1 )) / 10;
-    }
-    if ( baro_temp_ave_data == 0){
-        baro_temp_ave_data = baro_temp_data;
-    } else {
-        baro_temp_ave_data = (( baro_temp_ave_data * 9 ) + ( baro_temp_data * 1 )) / 10;
-    }
-}

--- a/lcd_AQM0802A.cpp	Sat Jun 14 01:37:54 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,217 +0,0 @@
-/*
- *  LCD module "AQM0802A-RN-GBW" sample program
- *
- *  AQM0802A-RN-GBW is an I2C text LCD panel (Controller: Sitronix ST7032i)
- *  I bought this from AKIZUKI DENSHI TSUSHO CO.,LTD.
- *  http://akizukidenshi.com/catalog/g/gP-06669/ (Online shop page (Japanese))
- *  http://akizukidenshi.com/download/ds/sitronix/st7032.pdf (datasheet of the chip)
- *
- *  Original Arduino version was developed by
- *  Copyright (c) 2013 Masahiro WAKAYAMA at SWITCH SCIENCE
- *
- *  Copyright (c) 2013 Yoshihiro TSUBOI
- *
- *  Released under the MIT License: http://mbed.org/license/mit
- *
- *  revision 1.0  19-June-2013   a. 1st release
- *
- */
-/*
- * CAUTION!!!!!!
- * NOT USE THIS FILE because most of functions were coppied into AQM0802A.h file
- *
- *  Modified by Kenji Arai/JH1PJL
- *  http://www.page.sannet.ne.jp/kenjia/index.html
- *  http://mbed.org/users/kenjiArai/
- */
-#if 0
- #include "mbed.h"
-
-I2C i2c(dp5, dp27); // sda, scl
-const int AQCM0802_addr = 0x7C;
-
-unsigned char mode;
-unsigned char contrast = 0; // 0-63
-unsigned char contrastFlag = false;
-int CGcounter;
-int FADEcounter;
-
-void lcd_cmd(char x) {
-  char data[2];
-  data[0] = 0x00; // CO = 0,RS = 0
-  data[1] = x;
-  i2c.write(AQCM0802_addr, data, 2);
-}
-
-void lcd_contdata(char x) {
-  char data[2];
-  data[0] = 0xC0; //0b11000000 CO = 1, RS = 1
-  data[1] = x;
-  i2c.write(AQCM0802_addr, data, 2);
-}
-
-void lcd_lastdata(char x) {
-  char data[2];
-  data[0] = 0x40; //0b11000000 CO = 0, RS = 1
-  data[1] = x;
-  i2c.write(AQCM0802_addr, data, 2);
-}
-
-void lcd_printStr(const char *s) {
-  while(*s) {
-    if(*(s + 1)) {
-      lcd_contdata(*s);
-    } else {
-      lcd_lastdata(*s);
-    }
-    s++;
-  }
-}
-
-void lcd_printHex(unsigned char num) {
-  lcd_contdata(num);
-}
-
-void lcd_init() {
-  wait(0.04);
-  // LCD initialize
-  lcd_cmd(0x38); // function set
-  lcd_cmd(0x39); // function set
-  lcd_cmd(0x04); // EntryModeSet
-  lcd_cmd(0x14); // interval osc
-  lcd_cmd(0x70 | (contrast & 0xF)); // contrast Low
-  lcd_cmd(0x5C | ((contrast >> 4) & 0x3)); // contast High/icon/power
-  lcd_cmd(0x6C); // follower control
-  wait(0.2);
-  lcd_cmd(0x38); // function set
-  lcd_cmd(0x0C); // Display On
-  lcd_cmd(0x01); // Clear Display
-  wait(0.2); // need additional wait to Clear Display
-}
-
-void lcd_setCursor(unsigned char x,unsigned char y) {
-  lcd_cmd(0x80 | (y * 0x40 + x));
-}
-
-unsigned char cg[13 * 8] = {
-/*
-  0b00001111,0b00010000,0b00010000,0b00001110,0b00000001,0b00000001,0b00011110,0b00000000,
-  0b00010001,0b00010001,0b00010001,0b00010101,0b00010101,0b00010101,0b00001010,0b00000000,
-  0b00001110,0b00000100,0b00000100,0b00000100,0b00000100,0b00000100,0b00001110,0b00000000,
-  0b00011111,0b00000100,0b00000100,0b00000100,0b00000100,0b00000100,0b00000100,0b00000000,
-  0b00001110,0b00010001,0b00010000,0b00010000,0b00010000,0b00010001,0b00001110,0b00000000,
-  0b00010001,0b00010001,0b00010001,0b00011111,0b00010001,0b00010001,0b00010001,0b00000000,
-*/
-  0x0F,0x10,0x10,0x0E,0x01,0x01,0x1E,0x00, // S
-  0x11,0x11,0x11,0x15,0x15,0x15,0x0A,0x00, // W
-  0x0E,0x40,0x40,0x40,0x40,0x40,0x0E,0x00, // I
-  0x1F,0x40,0x40,0x40,0x40,0x40,0x40,0x00, // T
-  0x0E,0x11,0x10,0x10,0x10,0x11,0x0E,0x00, // C
-  0x11,0x11,0x11,0x1F,0x11,0x11,0x11,0x00, // H
-/*
-  0b00001111,0b00010000,0b00010000,0b00001110,0b00000001,0b00000001,0b00011110,0b00000000,
-  0b00001110,0b00010001,0b00010000,0b00010000,0b00010000,0b00010001,0b00001110,0b00000000,
-  0b00001110,0b00000100,0b00000100,0b00000100,0b00000100,0b00000100,0b00001110,0b00000000,
-  0b00011111,0b00010000,0b00010000,0b00011110,0b00010000,0b00010000,0b00011111,0b00000000,
-  0b00010001,0b00010001,0b00011001,0b00010101,0b00010011,0b00010001,0b00010001,0b00000000,
-  0b00001110,0b00010001,0b00010000,0b00010000,0b00010000,0b00010001,0b00001110,0b00000000,
-  0b00011111,0b00010000,0b00010000,0b00011110,0b00010000,0b00010000,0b00011111,0b00000000,
-*/
-  0x0F,0x10,0x10,0x0E,0x01,0x01,0x1E,0x00, // S
-  0x0E,0x11,0x10,0x10,0x10,0x11,0x0E,0x00, // C
-  0x0E,0x40,0x40,0x40,0x40,0x40,0x0E,0x00, // I
-  0x1F,0x10,0x10,0x1E,0x10,0x10,0x1F,0x00, // E
-  0x11,0x11,0x19,0x15,0x13,0x11,0x11,0x00, // N
-  0x0E,0x11,0x10,0x10,0x10,0x11,0x0E,0x00, // C
-  0x1F,0x10,0x10,0x1E,0x10,0x10,0x1F,0x00  // E
-};
-
-void setCG(int src,int dst,int len) {
-  lcd_cmd(0x38);
-  lcd_cmd(0x40 + dst);
-  if (src >= 0) {
-    for (int i = 0;i < len;i++) lcd_printHex(cg[src + i]);
-  } else {
-    for (int i = 0;i < len;i++) lcd_printHex(0);
-  }
-}
-
-void setContrast(unsigned char c) {
-  lcd_cmd(0x39);
-  lcd_cmd(0x70 | (c & 0x0f)); // contrast Low
-  lcd_cmd(0x5C | ((c >> 4) & 0x03)); // contast High/icon/power
-  lcd_cmd(0x38);
-}
-
-int main() {
-    lcd_init();
-    while(1) {
-      switch(mode) {
-        case 0:  // init
-          lcd_setCursor(0, 0);
-          for (int i = 0;i < 6;i++) lcd_printHex(i);
-          lcd_setCursor(1, 1);
-          lcd_printStr("       ");
-          setCG(-1,0,6 * 8);
-          contrast = 35;
-          setContrast(contrast);
-          CGcounter = 0;
-          mode++;
-          break;
-        case 1:  // SWITCH
-          if(CGcounter <= (6 * 8)) {
-            setCG((CGcounter / 8) * 8,((CGcounter / 8) * 8) + 7 - (CGcounter % 8),CGcounter % 8);
-            CGcounter++;
-          } else {
-            lcd_setCursor(0, 0);
-            lcd_printStr("SWITCH");
-            setCG(-1,0,3 * 8);
-            lcd_setCursor(1, 1);
-            for (int i = 0;i < 3;i++) lcd_printHex(i);
-            CGcounter = 0;
-            mode++;
-          }
-          break;
-        case 2:  // SCI
-          if(CGcounter <= (3 * 8)) {
-            setCG(((CGcounter / 8) + 6) * 8,((CGcounter / 8) * 8) + 7 - (CGcounter % 8),CGcounter % 8);
-            CGcounter++;
-          } else {
-            lcd_setCursor(1, 1);
-            lcd_printStr("SCI");
-            setCG(-1,0,4 * 8);
-            lcd_setCursor(4, 1);
-            for (int i = 0;i < 4;i++) lcd_printHex(i);
-            CGcounter = 0;
-            mode++;
-          }
-          break;
-        case 3:  // ENCE
-          if(CGcounter <= (4 * 8)) {
-            setCG(((CGcounter / 8) + 9) * 8,((CGcounter / 8) * 8) + 7 - (CGcounter % 8),CGcounter % 8);
-            CGcounter++;
-          } else {
-            lcd_setCursor(4, 1);
-            lcd_printStr("ENCE");
-            FADEcounter = 0;
-            mode++;
-          }
-          break;
-        case 4:
-          if (contrastFlag == false) {
-            if (++contrast >= 54) contrastFlag = true;
-          } else {
-            if (--contrast <= 17) {
-              contrastFlag = false;
-              if(++FADEcounter >= 2) {
-                mode = 0;
-              }
-            }
-          }
-          setContrast(contrast);
-          break;
-      }
-      wait(0.05);
-    }
-}
-#endif

--- a/main.cpp	Sat Jun 14 01:37:54 2014 +0000
+++ b/main.cpp	Sun Jun 15 03:35:18 2014 +0000
@@ -14,17 +14,19 @@
  * DAMAGES OR OTHER  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
-#include "mbed.h"
-#include "RHT03.h" //Include neede to use the RHT03 lib
 
-#define DEBUG_L1       1        // 1=Debug, 0=Normal
-#define DEBUG_L2       1        // 1=Debug, 0=Normal
+#include "mbed.h"
+#include "BMP180.h"             // Pressure sensor             
+#include "RHT03.h"              // Humidity sensor
+#include "TextLCD.h"
 
-#define VREF_VOLT   2.482       // TA76431F Vref real measued data
-#define R_FIX       9930        // 10K ohm <- real measued data
-#define VOL_OFFSET  4           // Offset data ,= real measured data
+#define VREF_VOLT       2.482   // TA76431F Vref real measued data
+#define R_FIX           9930    // 10K ohm <- real measued data
+#define VOL_OFFSET      4       // Offset data ,= real measured data
 #define CDS_TBL_SIZE    13
 
+
+I2C         i2c(dp5,dp27);      // SDA, SCL
 DigitalOut  myled0(dp28);       // LED for Debug
 DigitalOut  myled1(dp14);       // Indicate state transition
 DigitalOut  analog_pwr(dp6);    // VCC for analog interface (vol, cds and vref)
@@ -35,7 +37,9 @@
 AnalogIn    vref(dp9);          // Input / Bandgap 2.5V
 AnalogIn    vol(dp10);          // Input / contrast volume
 RHT03       humtemp(dp26);      // RHT03 interface
-Serial      pc(dp16,dp15);
+Serial      pc(dp16,dp15);      // UART (vertual COM)
+BMP180      bmp180(i2c);        // Bosch sensor
+TextLCD_I2C_N i2clcd(&i2c, 0x7c, TextLCD::LCD8x2);
 
 typedef enum {CDS = 0, VREF, VOL} ADC_Select;
 
@@ -44,16 +48,6 @@
 float r_cds, lux;
 uint32_t nor_vol;
 
-//  LCD
-extern unsigned char contrast;
-char buf[16];
-
-//  Barometer
-extern uint32_t baro_pressure_ave_data; // Temperature /normalized
-extern int16_t  baro_temp_ave_data;
-extern uint32_t baro_pres_data;         // Barometer /normalized
-extern int16_t  baro_temp_data;
-
 //  Humidity Sensor
 float humidity_temp, humidity;
 
@@ -63,195 +57,37 @@
     {{50,21194},{100,8356},{200,3294},{400,1299},{800,512},{1600,202},{3200,79.6},{6400,31.4},
     {12800,12.4},{25600,4.88},{51200,1.92},{102400,0.758},{409600,0.118}};
 
-#if DEBUG_L2
-char *const imsg0 = "-->Control Reg.";
-char *const imsg1 = "-->Status Reg.";
-char *const imsg2 = "-->Data Reg.";
-char *const imsg3 = "-->Clock control Reg.";
-static char *const io_port_name0 = "PIO0_";
-static char *const iomsg0 = "Func->select ";
-static char *const iomsg1 = "IO";
-static char *const iomsg2 = "Reserved";
-static char *const iomsg3 = "Std/F-md I2C";
-#endif  // DEBUG_L2
-
-// Functions
-//      Barometer
-void baro_st_conv_temp( void );         // Start Conversion
-void baro_st_conv_press( void );        // Start Conversion
-void baro_rd_temp( void );              // Receive Press. & Temp.
-void baro_rd_press( void );             // Receive Press. & Temp.
-void baro_rd_coefficient( void );       // Receive Coefficient data
-void baro_rd_id( void );                // Receive Chip ID 
-void cal_pressure( void );              // Calculate Pressure
-//      LCD
-void lcd_init();                        // Initialize LCD
-void lcd_printStr(const char *s);       // Put strings
-void lcd_setCursor(unsigned char x,unsigned char y);    // Set cursor position
-void setContrast(unsigned char c);      // Set contrast
-
 //-------------------------------------------------------------------------------------------------
 //  Control Program
 //-------------------------------------------------------------------------------------------------
-#if DEBUG_L2
-//  Put \r\n
-void put_rn ( void ){
-    pc.putc('\r');
-    pc.putc('\n');
-}
-
-//  Put \r
-void put_r ( void ){
-    pc.putc('\r');
-}
-
-// Put ", "
-void put_lin ( void ){
-    pc.printf(", ");
-}
-
-void debug_port_check( void ){
-uint32_t r0,r1,r2,r3,r4,r5,r6,r7;
-    // Show registers
-    put_rn();
-    pc.printf( "------- Show Registers -------" );
-    put_rn(); 
-    pc.printf( "**** P0_4,P0_5 Port usage ****" );
-    put_rn();
-    // P0_4
-    r0 = LPC_IOCON->PIO0_4;
-    pc.printf( "%s4(dp27)",io_port_name0 );
-    pc.printf( " 0x%08x", r0 );
-    put_rn();
-    pc.printf( iomsg0 );
-    switch ( r0 & 0x7 ){
-    case 0:        pc.printf( iomsg1 );     break;
-    case 1:        pc.printf("SCL");        break;
-    }
-    put_lin();
-    switch ( ( r0 >> 8 ) & 0x3 ){
-    case 0:        pc.printf( iomsg3 );     break;
-    case 1:        pc.printf( iomsg1);      break;
-    case 2:        pc.printf("Fast md");    break;
-    case 3:        pc.printf( iomsg2 );     break;
-    }
-    put_rn();
-    // P0_5
-    r0 = LPC_IOCON->PIO0_5;
-    pc.printf( "%s5(dp5)",io_port_name0 );
-    pc.printf( " 0x%08x", r0 );
-    put_rn();
-    pc.printf( iomsg0 );
-    switch ( r0 & 0x7 ){
-    case 0:        pc.printf( iomsg1 );     break;
-    case 1:        pc.printf("SDA");        break;
-    }
-    put_lin();
-    switch ( ( r0 >> 8 ) & 0x3 ){
-    case 0:        pc.printf( iomsg3 );     break;
-    case 1:        pc.printf( iomsg1 );     break;
-    case 2:        pc.printf("Fast md");    break;
-    case 3:        pc.printf( iomsg2 );     break;
-    }
-    put_rn();
-    // I2C Control register
-    r0 = LPC_I2C->CONSET;
-    r1 = LPC_I2C->STAT;
-    r2 = LPC_I2C->DAT;
-    r3 = LPC_I2C->SCLH;
-    r4 = LPC_I2C->SCLL;
-    r5 = LPC_I2C->CONCLR;
-    r6 = LPC_I2C->MMCTRL;
-    r7 = LPC_I2C->DATA_BUFFER;
-    pc.printf( "**** Show I2C Registers ****" );
-    put_rn();
-    pc.printf( "CONSET" );
-    pc.printf( imsg0 );
-    pc.printf( " 0x%08x", r0 );
-    put_rn();
-    pc.printf( "STAT" );
-    pc.printf( imsg1 );
-    pc.printf( " 0x%08x", r1 );
-    put_rn();
-    pc.printf( "DAT" );
-    pc.printf( imsg2 );
-    pc.printf( " 0x%08x", r2 );
-    put_rn();
-    pc.printf( "ADR0--Not support" );
-    put_rn();
-    pc.printf( "SCLH" );
-    pc.printf( imsg0 );
-    pc.printf( " 0x%08x", r3 );
-    put_rn();
-    pc.printf( "SCLL" );
-    pc.printf( imsg0 );
-    pc.printf( " 0x%08x", r4 );
-    put_rn();
-    pc.printf( "CONCLR" );
-    pc.printf( imsg0 );
-    pc.printf( " 0x%08x", r5 );
-    put_rn();
-    pc.printf( "MMCTRL" );
-    pc.printf( imsg0 );
-    pc.printf( " 0x%08x", r6 );
-    put_rn();
-    pc.printf( "ADR1,2,3--Not support" );
-    put_rn();
-    pc.printf( "DATA_BUFFER" );
-    pc.printf( imsg3 );
-    pc.printf( " 0x%08x", r7 );
-    put_rn();
-    pc.printf( "MASK0,1,2,3--Not support" );
-    put_rn();
-}
-#endif  // DEBUG_L2
-
+// Normalize ADC data
 void adc_normalize( ADC_Select n ){
 int i;
 float x1,y1,dx;
 
     switch (n){
     case CDS:
-        // v_adc = Rfix / (Rcds + Rfix)
-        // Rcds = ( Rfix / v_adc ) - Rfix 
+        // v_adc = Rfix / (Rcds + Rfix) ->  Rcds = ( Rfix / v_adc ) - Rfix 
         r_cds = (R_FIX / av_cds) - R_FIX;
         // CDS resistance to Lux conversion using convertion table (luc_cds[][])
-        //  with Linear interpolation method
-        for (i =0; i < CDS_TBL_SIZE; i++){
-            if ( r_cds <= lux_cds[i][0]){
+        for (i =0; i < CDS_TBL_SIZE; i++){  // search table
+            if ( r_cds <= lux_cds[i][0]){ break; }
+        }
+        // Check table position
+        if (i == 0){
+            lux = lux_cds[0][1];
+            break;
+        } else if ( i == CDS_TBL_SIZE ){
+            if ( r_cds <= lux_cds[i][0] ){
+                lux = lux_cds[i-1][1];
                 break;
             }
         }
-#if DEBUG_L1
-        pc.printf( "i=%d, ", i );
-#endif  // DEBUG_L1
-        if (i == 0){
-            lux = lux_cds[0][1];
-#if DEBUG_L1
-            pc.printf( "range over!\r\n" );
-#endif // DEBUG_L1
-        } else if ( i == CDS_TBL_SIZE ){
-            if ( r_cds <= lux_cds[i][0] ){
-                lux = lux_cds[i-1][1];
-            }
-        } else {
-            if ( i == CDS_TBL_SIZE ){
-                if ( r_cds <= lux_cds[i][0] ){
-                    lux = lux_cds[i-1][1];
-#if DEBUG_L1
-                    pc.printf("range over!\r\n");
-#endif // DEBUG_L1
-                    break;
-                }
-            }
-            y1 = lux_cds[i-1][1] - lux_cds[i][1];
-            x1 = lux_cds[i][0] - lux_cds[i-1][0];
-            dx = r_cds - lux_cds[i-1][0];
-            lux = lux_cds[i-1][1] - ((dx/x1) * y1);
-#if DEBUG_L1
-            pc.printf( "y1:%f, x1:%f, dx:%f, lux_tbl:%f\r\n", y1, x1, dx, lux_cds[i-1][1] );
-#endif // DEBUG_L1
-        }
+        //  Linear interpolation
+        y1 = lux_cds[i-1][1] - lux_cds[i][1];
+        x1 = lux_cds[i][0] - lux_cds[i-1][0];
+        dx = r_cds - lux_cds[i-1][0];
+        lux = lux_cds[i-1][1] - ((dx/x1) * y1);
         break;
     case VREF:
         //  vref = VREF_VOLT / VCC -> VCC = VREF_VOLT / vref
@@ -264,83 +100,64 @@
     }
 }
 
+//  Read adc data and averaging
 void adc_all_read( void){
-    if ( av_cds == 0 ){
-        av_cds = cds.read();
-    } else {
-        av_cds = av_cds *0.5 + cds.read() * 0.5;
+    if (av_cds == 0){   av_cds = cds.read();
+    } else {            av_cds = av_cds *0.5 + cds.read() * 0.5;
     }
-    if ( av_vref == 0 ){
-        av_vref = vref.read();
-    } else {    
-        av_vref = av_vref *0.9 + vref.read() * 0.1;
+    if (av_vref == 0){  av_vref = vref.read();
+    } else {            av_vref = av_vref *0.9 + vref.read() * 0.1;
     }
-    if ( av_vol == 0 ){        
-        av_vol = vol.read();
-    } else {  
-        av_vol = av_vol *0.2 + vol.read() * 0.8;
+    if (av_vol == 0){   av_vol = vol.read();
+    } else {            av_vol = av_vol *0.2 + vol.read() * 0.8;
     } 
 }
 
+// Read Humidity sensor data
 void hum_RHT03_read( void){
-    while (true){
-        if ( humtemp.readData() == RHT_ERROR_NONE ){ //Request data from the RHT03
-            break;
-        }
+    while (true){   // wait data
+        if ( humtemp.readData() == RHT_ERROR_NONE ){ break; }
     }
-    if ( humidity_temp == 0 ){
-        humidity_temp = humtemp.getTemperatureC();
-    } else {           
-        humidity_temp = humidity_temp * 0.9 + humtemp.getTemperatureC() * 0.1;
+    if (humidity_temp == 0){humidity_temp = humtemp.getTemperatureC();
+    } else {                humidity_temp = humidity_temp * 0.9 + humtemp.getTemperatureC() * 0.1;
     }
-    if ( humidity == 0 ){
-        humidity = humtemp.getHumidity();
-    } else {   
-        humidity = humidity * 0.9 + humtemp.getHumidity() * 0.1;
+    if ( humidity == 0 ){   humidity = humtemp.getHumidity();
+    } else {                humidity = humidity * 0.9 + humtemp.getHumidity() * 0.1;
     }
 }
 
+//-------------------------------------
+// Application program starts here
+//-------------------------------------
 int main() {
-uint16_t dt;
-
     pc.baud(9600);
-    pc.printf( "\r\nmbed LPC1114FN28 test program by JH1PJL created on "__DATE__"\r\n" );
-    // Initialize LCD
-    lcd_init();
-    contrast = 25;
-    setContrast(contrast);
-    //Initial screen shot
-    lcd_setCursor(0, 0);
-    //            12345678
-    lcd_printStr("LPC1114F");
-    lcd_setCursor(0, 1);
-    //            12345678
-    lcd_printStr(" JH1PJL ");
-    // Read BMP180 data / only once
-    baro_rd_id();
-    baro_rd_coefficient();
-    // Show initial screen
-    wait(5.0);
+    pc.printf("\r\nmbed LPC1114FN28 test program by JH1PJL created on "__DATE__"\r\n");
+    i2clcd.setContrast(25);
+    i2clcd.locate(0, 0);
+    i2clcd.printf("LPC1114F");
+    i2clcd.locate(0, 1);
+    i2clcd.printf(" JH1PJL ");
     // Initialize data
     av_cds = 0;
     av_vref = 0;
     av_vol = 0;
     humidity_temp = 0;
     humidity = 0;
+    // Show initial screen
+    wait(5.0);
     while(1) {
-        //  ---------- Cds Sensor, Vref, Volume ---------------------------------------------------
+    //  ---------- Cds Sensor, Vref, Volume ---------------------------------------------------
         // Power on / Analog sensor
         analog_pwr = 1;
         vref_pwr = 1;
         wait(0.2);
         adc_all_read();
         // Power off / Analog sensor
-        analog_pwr = 0;
-        //vref_pwr = 0; 
+        analog_pwr = 0; 
         // Normalize
-        adc_normalize( CDS );
-        adc_normalize( VREF );
-        adc_normalize( VOL );       
+        adc_normalize(CDS);
+        adc_normalize(VREF);
+        adc_normalize(VOL);       
         myled0 = 1;
         if (sw_chng == 1){  // SW Off
             pc.printf( "\r\nCds:%.0fohm -> %.1flux, Vcc:%.3fV, Vol:%d\r\n",
@@ -349,54 +166,32 @@
             pc.printf( "\r\nCds:%f, Vref:%f, Vol:%f\r\n", av_cds, av_vref, av_vol );
         }
         myled0 = 0;
-        lcd_setCursor(0, 0);    // 1st line top
-        dt = (uint16_t)(lux * 10);
-        //sprintf( buf,"l: %4.1f ", lux );
-        sprintf( buf,"L:%4d.%01d ", dt / 10, dt % 10 );
-        lcd_printStr(buf);
-        lcd_setCursor(0, 1);    // 2nd line top
-        sprintf( buf,"V: %1.3f ", cal_vcc );
-        lcd_printStr(buf);
+        i2clcd.locate(0, 0);    // 1st line top
+        //             12345678
+        i2clcd.printf("L: %4.1f", lux);
+        i2clcd.locate(0, 1);    // 2nd line top
+        i2clcd.printf("V: %1.3f", cal_vcc);
         wait(2.0);
-        //  ---------- Barometer Sensor / BMP180 --------------------------------------------------
-        baro_st_conv_temp();    // start temprerature measurment
-        wait(0.25);       // wait for convertion
-        baro_rd_temp();         // read it
-        baro_st_conv_press();   // start pressure measurement
-        wait(0.5);       // wait for convertion
-        baro_rd_press();        // read it
-        cal_pressure();         // Calculate baro & temp.
-        lcd_setCursor(0, 0);    // 1st line top
-        sprintf( buf,"P:%4d.%01d  ", baro_pres_data / 100, ( baro_pres_data % 100 ) /10 );
-        lcd_printStr(buf);
-        lcd_setCursor(0, 1);    // 2nd line top
-        if (sw_chng == 0){      // SW ON
-            baro_temp_data = -100;  // Dummy -10.0 degC -> Test printf() minus display
-        }
-        sprintf( buf,"T: %\+-d.%01d ", baro_temp_data / 10, baro_temp_data% 10 );
-        lcd_printStr(buf);
+    //  ---------- Barometer Sensor / BMP180 --------------------------------------------------
+        bmp180.normalize();
+        i2clcd.locate(0, 0);    // 1st line top
+        i2clcd.printf("P:%4.1f", bmp180.read_pressure());
+        i2clcd.locate(0, 1);    // 2nd line top
+        i2clcd.printf("T: %\+-0.1f", bmp180.read_temperature());
         myled1 = 1;
-        pc.printf( "Pres:%4d.%01dhPa, Temp:%\+-d.%01ddegC\r\n",
-             baro_pres_data / 100, ( baro_pres_data % 100 ) /10,
-             baro_temp_data / 10, baro_temp_data% 10 );
+        pc.printf("Pres:%4.1fhPa, Temp:%\+-0.1fdegC\r\n",
+                    bmp180.read_pressure(), bmp180.read_temperature());
         myled1 = 0;
         wait(4.0);
-        //  ---------- Humidity Sensor / RHT03 ----------------------------------------------------
+    //  ---------- Humidity Sensor / RHT03 ----------------------------------------------------
         hum_RHT03_read();       // Read Humidity data then avaraging
-        lcd_setCursor(0, 0);    // 1st line top
-        dt = (uint16_t)(lux * 10);
-        //sprintf( buf,"l: %4.1f ", lux );
-        sprintf( buf,"H:  %2.1f ", humidity );
-        lcd_printStr(buf);
-        lcd_setCursor(0, 1);    // 2nd line top
-        sprintf( buf,"T: %\+-0.1f", humidity_temp );
-        lcd_printStr(buf);
+        i2clcd.locate(0, 0);    // 1st line top
+        i2clcd.printf("H:  %2.1f", humidity);
+        i2clcd.locate(0, 1);    // 2nd line top
+        i2clcd.printf("T: %\+-0.1f", humidity_temp);
         myled1 = 1;
-        pc.printf( "Humid: %0.1f%cRH, Temp:%\+-0.1fdegC\r\n", humidity, '%', humidity_temp );        
+        pc.printf("Humid: %0.1f%cRH, Temp:%\+-0.1fdegC\r\n", humidity, '%', humidity_temp);        
         myled1 = 0;  
         wait(2.0);
-#if DEBUG_L2
-        debug_port_check();
-#endif  // DEBUG_L2     
     }
 }