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Fix MAX6675 SPI init, conflicts (#20086)

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LinFor 2020-11-12 01:27:45 +03:00 committed by GitHub
parent 40d442fde2
commit f4e9f3654e
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2 changed files with 9 additions and 18 deletions
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8
Marlin/src/MarlinCore.cpp
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@ -991,6 +991,14 @@ void setup() {
SETUP_RUN(HAL_init());
// Init and disable SPI thermocouples
#if HEATER_0_USES_MAX6675
OUT_WRITE(MAX6675_SS_PIN, HIGH); // Disable
#endif
#if HEATER_1_USES_MAX6675
OUT_WRITE(MAX6675_SS2_PIN, HIGH); // Disable
#endif
#if HAS_L64XX
SETUP_RUN(L64xxManager.init()); // Set up SPI, init drivers
#endif

19
Marlin/src/module/temperature.cpp
View File

@ -1799,22 +1799,7 @@ void Temperature::init() {
INIT_FAN_PIN(CONTROLLER_FAN_PIN);
#endif
#if MAX6675_SEPARATE_SPI
OUT_WRITE(SCK_PIN, LOW);
OUT_WRITE(MOSI_PIN, HIGH);
SET_INPUT_PULLUP(MISO_PIN);
max6675_spi.init();
OUT_WRITE(SS_PIN, HIGH);
OUT_WRITE(MAX6675_SS_PIN, HIGH);
#endif
#if HEATER_1_USES_MAX6675
OUT_WRITE(MAX6675_SS2_PIN, HIGH);
#endif
TERN_(MAX6675_SEPARATE_SPI, max6675_spi.init());
HAL_adc_init();
@ -2277,9 +2262,7 @@ void Temperature::disable_all_heaters() {
spiInit(MAX6675_SPEED_BITS);
#endif
MAX6675_SET_OUTPUT();
MAX6675_WRITE(LOW); // enable TT_MAX6675
DELAY_NS(100); // Ensure 100ns delay
// Read a big-endian temperature value