diff options
| -rw-r--r-- | config/example-extras.cfg | 4 | ||||
| -rw-r--r-- | klippy/extras/tmc2130.py | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/config/example-extras.cfg b/config/example-extras.cfg index ffe0caa8..dd2c3b3f 100644 --- a/config/example-extras.cfg +++ b/config/example-extras.cfg @@ -461,6 +461,10 @@ #driver_TOFF: 4 #driver_HEND: 7 #driver_HSTRT: 0 +#driver_PWM_AUTOSCALE: True +#driver_PWM_FREQ: 1 +#driver_PWM_GRAD: 4 +#driver_PWM_AMPL: 128 #driver_SGT: 0 # Set the given register during the configuration of the TMC2130 # chip. This may be used to set custom motor parameters. The diff --git a/klippy/extras/tmc2130.py b/klippy/extras/tmc2130.py index 6f6bbed5..236050af 100644 --- a/klippy/extras/tmc2130.py +++ b/klippy/extras/tmc2130.py @@ -11,6 +11,7 @@ GCONF_EN_PWM_MODE=1<<2 GCONF_DIAG1_STALL=1<<8 REG_TCOOLTHRS=0x14 REG_COOLCONF=0x6d +REG_PWMCONF=0x70 class TMC2130: def __init__(self, config): @@ -45,6 +46,10 @@ class TMC2130: hend = config.getint('driver_HEND', 7, minval=0, maxval=15) hstrt = config.getint('driver_HSTRT', 0, minval=0, maxval=7) sgt = config.getint('driver_SGT', 0, minval=-64, maxval=63) & 0x7f + pwm_scale = config.getboolean('driver_PWM_AUTOSCALE', True) + pwm_freq = config.getint('driver_PWM_FREQ', 1, minval=0, maxval=3) + pwm_grad = config.getint('driver_PWM_GRAD', 4, minval=0, maxval=255) + pwm_ampl = config.getint('driver_PWM_AMPL', 128, minval=0, maxval=255) # Allow virtual endstop to be created self.diag1_pin = config.get('diag1_pin', None) ppins.register_chip("_".join(config.get_name().split()[:2]), self) @@ -73,6 +78,9 @@ class TMC2130: self.add_config_cmd(0x13, max(0, min(0xfffff, sc_threshold))) # configure COOLCONF self.add_config_cmd(REG_COOLCONF, sgt << 16) + # configure PWMCONF + self.add_config_cmd(REG_PWMCONF, pwm_ampl | (pwm_grad << 8) + | (pwm_freq << 16) | (pwm_scale << 18)) def add_config_cmd(self, addr, val): self.mcu.add_config_cmd("spi_send oid=%d data=%02x%08x" % ( self.oid, (addr | 0x80) & 0xff, val & 0xffffffff), is_init=True) |