Mark Turner
/
lightsense_kl46z_basic_v1
Basic fading in and out of leds with light sensor.
main.cpp@0:cf7af2656659, 2016-09-19 (annotated)
- Committer:
- mturner5
- Date:
- Mon Sep 19 03:24:58 2016 +0000
- Revision:
- 0:cf7af2656659
Basic v1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mturner5 | 0:cf7af2656659 | 1 | #include "mbed.h" |
mturner5 | 0:cf7af2656659 | 2 | #include "SLCD.h" |
mturner5 | 0:cf7af2656659 | 3 | |
mturner5 | 0:cf7af2656659 | 4 | |
mturner5 | 0:cf7af2656659 | 5 | #define PROGNAME "lightsense_kl46z_basic v1\n\r" |
mturner5 | 0:cf7af2656659 | 6 | #define DATATIME 400 // milliseconds |
mturner5 | 0:cf7af2656659 | 7 | #define LCDLEN 10 |
mturner5 | 0:cf7af2656659 | 8 | #define LIGHTSENSORPORT PTE22 |
mturner5 | 0:cf7af2656659 | 9 | |
mturner5 | 0:cf7af2656659 | 10 | |
mturner5 | 0:cf7af2656659 | 11 | |
mturner5 | 0:cf7af2656659 | 12 | SLCD slcd; //define LCD display globally define |
mturner5 | 0:cf7af2656659 | 13 | Serial pc(USBTX, USBRX); |
mturner5 | 0:cf7af2656659 | 14 | Timer LEDTimer; |
mturner5 | 0:cf7af2656659 | 15 | |
mturner5 | 0:cf7af2656659 | 16 | void LCDMess(char *lMess){ |
mturner5 | 0:cf7af2656659 | 17 | slcd.Home(); |
mturner5 | 0:cf7af2656659 | 18 | slcd.clear(); |
mturner5 | 0:cf7af2656659 | 19 | slcd.printf(lMess); |
mturner5 | 0:cf7af2656659 | 20 | } |
mturner5 | 0:cf7af2656659 | 21 | |
mturner5 | 0:cf7af2656659 | 22 | |
mturner5 | 0:cf7af2656659 | 23 | int main() { |
mturner5 | 0:cf7af2656659 | 24 | AnalogIn LightSensor(LIGHTSENSORPORT); |
mturner5 | 0:cf7af2656659 | 25 | float lightData; |
mturner5 | 0:cf7af2656659 | 26 | char lcdData[LCDLEN]; |
mturner5 | 0:cf7af2656659 | 27 | PwmOut gled(LED_GREEN); |
mturner5 | 0:cf7af2656659 | 28 | PwmOut rled(LED_RED); |
mturner5 | 0:cf7af2656659 | 29 | |
mturner5 | 0:cf7af2656659 | 30 | int timeToChangeDF = DATATIME; |
mturner5 | 0:cf7af2656659 | 31 | LEDTimer.start(); |
mturner5 | 0:cf7af2656659 | 32 | LEDTimer.reset(); |
mturner5 | 0:cf7af2656659 | 33 | pc.printf(PROGNAME); |
mturner5 | 0:cf7af2656659 | 34 | |
mturner5 | 0:cf7af2656659 | 35 | while(true) { |
mturner5 | 0:cf7af2656659 | 36 | if (LEDTimer.read_ms() > timeToChangeDF){ // check for timer time out transtion |
mturner5 | 0:cf7af2656659 | 37 | lightData = (1.0 - LightSensor.read()); // show as increasiing with increasing intensity |
mturner5 | 0:cf7af2656659 | 38 | sprintf(lcdData,"%4.3f",lightData); |
mturner5 | 0:cf7af2656659 | 39 | LCDMess(lcdData); |
mturner5 | 0:cf7af2656659 | 40 | gled = 1.0 - lightData; |
mturner5 | 0:cf7af2656659 | 41 | rled = 1.0 - lightData; |
mturner5 | 0:cf7af2656659 | 42 | timeToChangeDF = DATATIME; |
mturner5 | 0:cf7af2656659 | 43 | LEDTimer.reset(); |
mturner5 | 0:cf7af2656659 | 44 | } |
mturner5 | 0:cf7af2656659 | 45 | }// emd while |
mturner5 | 0:cf7af2656659 | 46 | } |