diff options
Diffstat (limited to 'Sprinter/Sprinter.pde')
| -rw-r--r-- | Sprinter/Sprinter.pde | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/Sprinter/Sprinter.pde b/Sprinter/Sprinter.pde index d4124aa..706910f 100644 --- a/Sprinter/Sprinter.pde +++ b/Sprinter/Sprinter.pde @@ -88,6 +88,14 @@ - calculate feedrate without extrude before planner block is set - New Board --> GEN7 @ 20 Mhz … - ENDSTOPS_ONLY_FOR_HOMING Option ignore Endstop always --> fault is cleared + + Version 1.3.11T +- fix for broken include in store_eeprom.cpp --> Thanks to kmeehl (issue #145) +- Make fastio & Arduino pin numbering consistent for AT90USB128x. --> Thanks to lincomatic +- Select Speedtable with F_CPU +- Use same Values for Speedtables as Marlin +- + */ @@ -188,7 +196,7 @@ void __cxa_pure_virtual(){}; // M603 - Show Free Ram -#define _VERSION_TEXT "1.3.10T / 14.03.2012" +#define _VERSION_TEXT "1.3.11T / 19.03.2012" //Stepper Movement Variables char axis_codes[NUM_AXIS] = {'X', 'Y', 'Z', 'E'}; @@ -2720,8 +2728,8 @@ FORCE_INLINE unsigned short calc_timer(unsigned short step_rate) step_loops = 1; } - if(step_rate < 32) step_rate = 32; - step_rate -= 32; // Correct for minimal speed + if(step_rate < (F_CPU/500000)) step_rate = (F_CPU/500000); + step_rate -= (F_CPU/500000); // Correct for minimal speed if(step_rate >= (8*256)) // higher step rate { // higher step rate @@ -3046,6 +3054,12 @@ void st_init() // output mode = 00 (disconnected) TCCR1A &= ~(3<<COM1A0); TCCR1A &= ~(3<<COM1B0); + + // Set the timer pre-scaler + // Generally we use a divider of 8, resulting in a 2MHz timer + // frequency on a 16MHz MCU. If you are going to change this, be + // sure to regenerate speed_lookuptable.h with + // create_speed_lookuptable.py TCCR1B = (TCCR1B & ~(0x07<<CS10)) | (2<<CS10); // 2MHz timer OCR1A = 0x4000; |