yasuyuki onodera
/
mbed_Ampere
USB current meter for TG-LPC11U35-501
main.cpp@2:d6fcc8bfc037, 2015-09-26 (annotated)
- Committer:
- yasuyuki
- Date:
- Sat Sep 26 13:14:29 2015 +0000
- Revision:
- 2:d6fcc8bfc037
- Parent:
- 0:4286edef4003
revised
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
yasuyuki | 0:4286edef4003 | 1 | //********************** |
yasuyuki | 0:4286edef4003 | 2 | // USB current meter for mbed |
yasuyuki | 0:4286edef4003 | 3 | // |
yasuyuki | 0:4286edef4003 | 4 | // LPC1768 flash=512KB, ADC=12bits |
yasuyuki | 0:4286edef4003 | 5 | // LPC11U35 flash=64KB, ADC=10bits |
yasuyuki | 0:4286edef4003 | 6 | // Nucleo ADC=12bits |
yasuyuki | 0:4286edef4003 | 7 | // |
yasuyuki | 0:4286edef4003 | 8 | // (C)Copyright 2014 All rights reserved by Y.Onodera |
yasuyuki | 0:4286edef4003 | 9 | // http://einstlab.web.fc2.com |
yasuyuki | 0:4286edef4003 | 10 | //********************** |
yasuyuki | 0:4286edef4003 | 11 | #include "mbed.h" |
yasuyuki | 0:4286edef4003 | 12 | #include "AQM0802.h" |
yasuyuki | 0:4286edef4003 | 13 | |
yasuyuki | 0:4286edef4003 | 14 | //#pragma O0 |
yasuyuki | 0:4286edef4003 | 15 | //#pragma O1 |
yasuyuki | 2:d6fcc8bfc037 | 16 | //#pragma O2 |
yasuyuki | 2:d6fcc8bfc037 | 17 | //#pragma O3 // default |
yasuyuki | 2:d6fcc8bfc037 | 18 | //#pragma Otime // default |
yasuyuki | 0:4286edef4003 | 19 | //#pragma Ospace |
yasuyuki | 0:4286edef4003 | 20 | |
yasuyuki | 0:4286edef4003 | 21 | |
yasuyuki | 0:4286edef4003 | 22 | #if defined(TARGET_LPC1768) |
yasuyuki | 0:4286edef4003 | 23 | I2C i2c(p28,p27); |
yasuyuki | 0:4286edef4003 | 24 | AnalogIn ain(p15); |
yasuyuki | 0:4286edef4003 | 25 | #endif |
yasuyuki | 0:4286edef4003 | 26 | // for TG-LPC11U35-501 |
yasuyuki | 0:4286edef4003 | 27 | #if defined(TARGET_LPC11U35_501) |
yasuyuki | 0:4286edef4003 | 28 | I2C i2c(P0_5,P0_4); |
yasuyuki | 0:4286edef4003 | 29 | AnalogIn ain(P0_11); |
yasuyuki | 0:4286edef4003 | 30 | #endif |
yasuyuki | 0:4286edef4003 | 31 | // for Nucleo |
yasuyuki | 0:4286edef4003 | 32 | #if defined(TARGET_NUCLEO_F401RE) |
yasuyuki | 0:4286edef4003 | 33 | I2C i2c(D14,D15); |
yasuyuki | 0:4286edef4003 | 34 | AnalogIn ain(PA_0); |
yasuyuki | 0:4286edef4003 | 35 | #endif |
yasuyuki | 0:4286edef4003 | 36 | |
yasuyuki | 0:4286edef4003 | 37 | AQM0802 lcd(i2c); |
yasuyuki | 2:d6fcc8bfc037 | 38 | Ticker tic; |
yasuyuki | 0:4286edef4003 | 39 | |
yasuyuki | 2:d6fcc8bfc037 | 40 | |
yasuyuki | 2:d6fcc8bfc037 | 41 | void display() |
yasuyuki | 2:d6fcc8bfc037 | 42 | { |
yasuyuki | 2:d6fcc8bfc037 | 43 | |
yasuyuki | 0:4286edef4003 | 44 | char msg[10]; |
yasuyuki | 0:4286edef4003 | 45 | int mA; |
yasuyuki | 2:d6fcc8bfc037 | 46 | static int mAh=0; |
yasuyuki | 0:4286edef4003 | 47 | |
yasuyuki | 2:d6fcc8bfc037 | 48 | // current |
yasuyuki | 2:d6fcc8bfc037 | 49 | mA = ain.read()*3.3*1000; |
yasuyuki | 2:d6fcc8bfc037 | 50 | mAh+=mA; |
yasuyuki | 2:d6fcc8bfc037 | 51 | if(mAh/3600>99999)mAh=0; // overflow |
yasuyuki | 2:d6fcc8bfc037 | 52 | |
yasuyuki | 2:d6fcc8bfc037 | 53 | sprintf(msg," %4dmA ",mA); |
yasuyuki | 0:4286edef4003 | 54 | lcd.locate(0,0); |
yasuyuki | 0:4286edef4003 | 55 | lcd.print(msg); |
yasuyuki | 2:d6fcc8bfc037 | 56 | |
yasuyuki | 2:d6fcc8bfc037 | 57 | sprintf(msg,"%5dmAh",mAh/3600); |
yasuyuki | 2:d6fcc8bfc037 | 58 | lcd.locate(0,1); |
yasuyuki | 0:4286edef4003 | 59 | lcd.print(msg); |
yasuyuki | 0:4286edef4003 | 60 | |
yasuyuki | 2:d6fcc8bfc037 | 61 | } |
yasuyuki | 0:4286edef4003 | 62 | |
yasuyuki | 2:d6fcc8bfc037 | 63 | int main() { |
yasuyuki | 2:d6fcc8bfc037 | 64 | |
yasuyuki | 2:d6fcc8bfc037 | 65 | tic.attach(&display,1); // Do not exceed 2147sec |
yasuyuki | 2:d6fcc8bfc037 | 66 | |
yasuyuki | 2:d6fcc8bfc037 | 67 | while(true) { |
yasuyuki | 0:4286edef4003 | 68 | } |
yasuyuki | 0:4286edef4003 | 69 | |
yasuyuki | 0:4286edef4003 | 70 | } |