Toshihisa T / Mbed 2 deprecated ENVLogger

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Dependencies:   ChaNFSSD mbed BMP085 SHT2x

libT/mbed/libT_getAcc.c@1:83960ee4d9a2, 2012-01-13 (annotated)

Committer:
tosihisa
Date:
Fri Jan 13 10:15:08 2012 +0000
Revision:
1:83960ee4d9a2
Parent:
0:6089ae824f06 
add 5-sec wait before using CO2-sensor

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tosihisa 1:83960ee4d9a2 1 /*
tosihisa 1:83960ee4d9a2 2 * Copyright (c) 2011 Toshihisa T
tosihisa 1:83960ee4d9a2 3 * Released under the MIT License: http://mbed.org/license/mit
tosihisa 1:83960ee4d9a2 4 */
tosihisa 0:6089ae824f06 5
tosihisa 0:6089ae824f06 6 extern "C" {
tosihisa 0:6089ae824f06 7 static int libT_getAccTOmV(unsigned long Val,long *mV);
tosihisa 0:6089ae824f06 8 int libT_getAcc1dot5G(unsigned long ADval,long *g);
tosihisa 0:6089ae824f06 9 int libT_getAcc6G(unsigned long ADval,long *g);
tosihisa 0:6089ae824f06 10 }
tosihisa 0:6089ae824f06 11
tosihisa 0:6089ae824f06 12
tosihisa 0:6089ae824f06 13 static int libT_getAccTOmV(unsigned long Val,long *mV)
tosihisa 0:6089ae824f06 14 {
tosihisa 0:6089ae824f06 15 *mV = 0;
tosihisa 0:6089ae824f06 16
tosihisa 0:6089ae824f06 17 /* AnalogIn = 1mV = 19.85939393939394 */
tosihisa 0:6089ae824f06 18 if(Val >= 32767UL){
tosihisa 0:6089ae824f06 19 *mV = ((Val - 32767UL) * 100UL) / 1985UL;
tosihisa 0:6089ae824f06 20 *mV = 0 - *mV;
tosihisa 0:6089ae824f06 21 } else {
tosihisa 0:6089ae824f06 22 *mV = ((32767UL - Val) * 100UL) / 1985UL;
tosihisa 0:6089ae824f06 23 }
tosihisa 0:6089ae824f06 24 return 0;
tosihisa 0:6089ae824f06 25 }
tosihisa 0:6089ae824f06 26
tosihisa 0:6089ae824f06 27 int libT_getAcc1dot5G(unsigned long ADval,long *g)
tosihisa 0:6089ae824f06 28 {
tosihisa 0:6089ae824f06 29 long mV = 0;
tosihisa 0:6089ae824f06 30 libT_getAccTOmV(ADval,&mV); /* A/D value to mV */
tosihisa 0:6089ae824f06 31 *g = (long)(mV / 8); /* 0.01g units */
tosihisa 0:6089ae824f06 32 return 0;
tosihisa 0:6089ae824f06 33 }
tosihisa 0:6089ae824f06 34
tosihisa 0:6089ae824f06 35 int libT_getAcc6G(unsigned long ADval,long *g)
tosihisa 0:6089ae824f06 36 {
tosihisa 0:6089ae824f06 37 long mV = 0;
tosihisa 0:6089ae824f06 38 libT_getAccTOmV(ADval,&mV); /* A/D value to mV */
tosihisa 0:6089ae824f06 39 *g = (long)(mV / 2); /* 0.01g units */
tosihisa 0:6089ae824f06 40 return 0;
tosihisa 0:6089ae824f06 41 }
tosihisa 0:6089ae824f06 42
tosihisa 0:6089ae824f06 43 #if 0
tosihisa 0:6089ae824f06 44 int main(void)
tosihisa 0:6089ae824f06 45 {
tosihisa 0:6089ae824f06 46 long g;
tosihisa 0:6089ae824f06 47
tosihisa 0:6089ae824f06 48 libT_getAcc1dot5G(22767UL,&g);
tosihisa 0:6089ae824f06 49 if(g >= 0){
tosihisa 0:6089ae824f06 50 printf("1.5g g(DOWN)=%ld.%02ld\n",g/100,g%100);
tosihisa 0:6089ae824f06 51 } else {
tosihisa 0:6089ae824f06 52 g = g * -1;
tosihisa 0:6089ae824f06 53 printf("1.5g g(UP)=%ld.%02ld\n",g/100,g%100);
tosihisa 0:6089ae824f06 54 }
tosihisa 0:6089ae824f06 55 libT_getAcc6G(22767UL,&g);
tosihisa 0:6089ae824f06 56 if(g >= 0){
tosihisa 0:6089ae824f06 57 printf("6g g(DOWN)=%ld.%02ld\n",g/100,g%100);
tosihisa 0:6089ae824f06 58 } else {
tosihisa 0:6089ae824f06 59 g = g * -1;
tosihisa 0:6089ae824f06 60 printf("6g g(UP)=%ld.%02ld\n",g/100,g%100);
tosihisa 0:6089ae824f06 61 }
tosihisa 0:6089ae824f06 62 return 0;
tosihisa 0:6089ae824f06 63 }
tosihisa 0:6089ae824f06 64 #endif