mirror of
https://github.com/MarlinFirmware/Marlin.git
synced 2024-11-27 22:08:02 +00:00
Slower SPI speed for MAX31855
This commit is contained in:
parent
30f6b84561
commit
fad7680605
@ -1138,10 +1138,12 @@ void Temperature::disable_all_heaters() {
|
||||
uint32_t max6675_temp = 2000;
|
||||
#define MAX6675_ERROR_MASK 7
|
||||
#define MAX6675_DISCARD_BITS 18
|
||||
#define MAX6675_SPEED_BITS (_BV(SPR1)) // clock ÷ 64
|
||||
#else
|
||||
uint16_t max6675_temp = 2000;
|
||||
#define MAX6675_ERROR_MASK 4
|
||||
#define MAX6675_DISCARD_BITS 3
|
||||
#define MAX6675_SPEED_BITS (_BV(SPR0)) // clock ÷ 16
|
||||
#endif
|
||||
|
||||
int Temperature::read_max6675() {
|
||||
@ -1161,7 +1163,7 @@ void Temperature::disable_all_heaters() {
|
||||
PRR0
|
||||
#endif
|
||||
, PRSPI);
|
||||
SPCR = _BV(MSTR) | _BV(SPE) | _BV(SPR0);
|
||||
SPCR = _BV(MSTR) | _BV(SPE) | MAX6675_SPEED_BITS;
|
||||
|
||||
WRITE(MAX6675_SS, 0); // enable TT_MAX6675
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user