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Merge pull request #992 from Grogyan/patch-1

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temperature.cpp fixes for SD card and MAX6675
This commit is contained in:
Erik van der Zalm 2014-08-28 16:27:14 +02:00
commit 8340ca6e05
2 changed files with 19 additions and 12 deletions
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6
Marlin/pins.h
View File

@ -823,9 +823,9 @@
#ifndef SDSUPPORT
// these pins are defined in the SD library if building with SD support
#define MAX_SCK_PIN 52
#define MAX_MISO_PIN 50
#define MAX_MOSI_PIN 51
#define SCK_PIN 52
#define MISO_PIN 50
#define MOSI_PIN 51
#define MAX6675_SS 53
#else
#define MAX6675_SS 49

25
Marlin/temperature.cpp
View File

@ -34,6 +34,9 @@
#include "temperature.h"
#include "watchdog.h"
#include "Sd2PinMap.h"
//===========================================================================
//=============================public variables============================
//===========================================================================
@ -748,18 +751,22 @@ void tp_init()
#ifdef HEATER_0_USES_MAX6675
#ifndef SDSUPPORT
SET_OUTPUT(MAX_SCK_PIN);
WRITE(MAX_SCK_PIN,0);
SET_OUTPUT(SCK_PIN);
WRITE(SCK_PIN,0);
SET_OUTPUT(MAX_MOSI_PIN);
WRITE(MAX_MOSI_PIN,1);
SET_OUTPUT(MOSI_PIN);
WRITE(MOSI_PIN,1);
SET_INPUT(MAX_MISO_PIN);
WRITE(MAX_MISO_PIN,1);
SET_INPUT(MISO_PIN);
WRITE(MISO_PIN,1);
#endif
/* Using pinMode and digitalWrite, as that was the only way I could get it to compile */
SET_OUTPUT(MAX6675_SS);
WRITE(MAX6675_SS,1);
//Have to toggle SD card CS pin to low first, to enable firmware to talk with SD card
pinMode(SS_PIN, OUTPUT);
digitalWrite(SS_PIN,0);
pinMode(MAX6675_SS, OUTPUT);
digitalWrite(MAX6675_SS,1);
#endif
// Set analog inputs
@ -1045,7 +1052,7 @@ void bed_max_temp_error(void) {
#ifdef HEATER_0_USES_MAX6675
#define MAX6675_HEAT_INTERVAL 250
long max6675_previous_millis = -HEAT_INTERVAL;
long max6675_previous_millis = MAX6675_HEAT_INTERVAL;
int max6675_temp = 2000;
int read_max6675()