Hello world code for PCT2075 and LM75B component class library. The PCT2075 is a temperature-to-digital converter featuring +/-1 degree-C accuracy over -25 degree-C to +100 degree-C range. It uses an on-chip band gap temperature sensor and Sigma-Delta A-to-D conversion technique with an overtemperature detection output that is a drop-in replacement for other LM75 series thermal sensors.
main.cpp@0:3c3d4c5ac8e9, 2015-02-27 (annotated)
- Committer:
- okano
- Date:
- Fri Feb 27 10:47:24 2015 +0000
- Revision:
- 0:3c3d4c5ac8e9
- Child:
- 2:edd678dcf504
cannot built
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
okano | 0:3c3d4c5ac8e9 | 1 | /** Hello code for "test_LM75B" */ |
okano | 0:3c3d4c5ac8e9 | 2 | |
okano | 0:3c3d4c5ac8e9 | 3 | #include "mbed.h" |
okano | 0:3c3d4c5ac8e9 | 4 | #include "PCT2075.h" |
okano | 0:3c3d4c5ac8e9 | 5 | |
okano | 0:3c3d4c5ac8e9 | 6 | PCT2075 temp0( p28, p27 ); |
okano | 0:3c3d4c5ac8e9 | 7 | |
okano | 0:3c3d4c5ac8e9 | 8 | I2C i2c( p28, p27 ); |
okano | 0:3c3d4c5ac8e9 | 9 | PCT2075 temp1( i2c ); |
okano | 0:3c3d4c5ac8e9 | 10 | |
okano | 0:3c3d4c5ac8e9 | 11 | |
okano | 0:3c3d4c5ac8e9 | 12 | int main() |
okano | 0:3c3d4c5ac8e9 | 13 | { |
okano | 0:3c3d4c5ac8e9 | 14 | float t0; |
okano | 0:3c3d4c5ac8e9 | 15 | float t1; |
okano | 0:3c3d4c5ac8e9 | 16 | |
okano | 0:3c3d4c5ac8e9 | 17 | i2c.frequency( 400 * 1000 ); |
okano | 0:3c3d4c5ac8e9 | 18 | |
okano | 0:3c3d4c5ac8e9 | 19 | while(1) { |
okano | 0:3c3d4c5ac8e9 | 20 | t0 = temp0; |
okano | 0:3c3d4c5ac8e9 | 21 | t1 = temp1; |
okano | 0:3c3d4c5ac8e9 | 22 | printf( "temp = %7.3f, %7.3f\r\n", t0, t1 ); |
okano | 0:3c3d4c5ac8e9 | 23 | wait( 1 ); |
okano | 0:3c3d4c5ac8e9 | 24 | } |
okano | 0:3c3d4c5ac8e9 | 25 | } |