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Merge branch 'Marlin_v1' of github.com:ErikZalm/Marlin into Marlin_v1

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Erik van der Zalm 2012-03-03 20:41:22 +01:00
commit e509bbf636
1 changed files with 4 additions and 6 deletions
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10
Marlin/temperature.cpp
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@ -397,7 +397,7 @@ float analog2temp(int raw, uint8_t e) {
// For bed temperature measurement. // For bed temperature measurement.
float analog2tempBed(int raw) { float analog2tempBed(int raw) {
#ifdef BED_USES_THERMISTOR #ifdef BED_USES_THERMISTOR
int celsius = 0; float celsius = 0;
byte i; byte i;
raw = (1023 * OVERSAMPLENR) - raw; raw = (1023 * OVERSAMPLENR) - raw;
@ -408,9 +408,8 @@ float analog2tempBed(int raw) {
{ {
celsius = PGM_RD_W(bedtemptable[i-1][1]) + celsius = PGM_RD_W(bedtemptable[i-1][1]) +
(raw - PGM_RD_W(bedtemptable[i-1][0])) * (raw - PGM_RD_W(bedtemptable[i-1][0])) *
(PGM_RD_W(bedtemptable[i][1]) - PGM_RD_W(bedtemptable[i-1][1])) / (float)(PGM_RD_W(bedtemptable[i][1]) - PGM_RD_W(bedtemptable[i-1][1])) /
(PGM_RD_W(bedtemptable[i][0]) - PGM_RD_W(bedtemptable[i-1][0])); (float)(PGM_RD_W(bedtemptable[i][0]) - PGM_RD_W(bedtemptable[i-1][0]));
break; break;
} }
} }
@ -419,13 +418,12 @@ float analog2tempBed(int raw) {
if (i == bedtemptable_len) celsius = PGM_RD_W(bedtemptable[i-1][1]); if (i == bedtemptable_len) celsius = PGM_RD_W(bedtemptable[i-1][1]);
return celsius; return celsius;
#elif defined BED_USES_AD595 #elif defined BED_USES_AD595
return ((raw * ((5.0 * 100.0) / 1024.0) / OVERSAMPLENR) * TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET; return ((raw * ((5.0 * 100.0) / 1024.0) / OVERSAMPLENR) * TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET;
#else #else
#warning No heater-type defined for the bed. #warning No heater-type defined for the bed.
#endif
return 0; return 0;
#endif
} }
void tp_init() void tp_init()