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505 Commits

Author SHA1 Message Date
Kevin O'Connor 899b6726fa stm32f4: Improve serial baud rate calculation 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-26 08:01:31 -04:00
Kevin O'Connor f3d7287a28 stm32f4: Add support for external 8Mhz crystal 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-26 07:51:12 -04:00
Kevin O'Connor 1487f8a257 stm32f4: Add support for GPIO 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-25 18:13:06 -04:00
Kevin O'Connor d501ca6b0b stm32f4: Add initial support for STM32F446 chip 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-25 18:08:28 -04:00
Kevin O'Connor 52dd6f0b57 atsamd: Fix comment typo in serial.c 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-25 12:18:21 -04:00
Kevin O'Connor 634ec46813 initial_pins: Only build when CONFIG_HAVE_GPIO is enabled 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-24 01:09:45 -04:00
Kevin O'Connor 79bd13dba7 armcm_timer: Support micro-controllers faster than 160Mhz 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-24 01:08:18 -04:00
Kevin O'Connor 4e5ddff00b neopixel: Update to more flexible bit-banging timing 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-23 22:00:12 -04:00
Kevin O'Connor 893acdb56b lib: Update stm32f1 code to version 1.8.0 
Update the stm32f1 code to the latest from ST.  Merge the
lib/cmsis-stm32f1/ and lib/hal-stm32f1/ into a single lib/stm32f1/
directory.  Document all the differences from the pristine upstream
code.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-21 22:40:56 -04:00
Kevin O'Connor 1a387ad509 stm32f0: Remove trailing tab from Makefile 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-21 21:49:22 -04:00
Kevin O'Connor d5cc2a7b7b neopixel: Improve timing of gpio bit-banging 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-17 16:36:28 -04:00
Kevin O'Connor 0af5b9ff6d neopixel: Be sure to set the line low on a failed write 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-13 00:00:57 -04:00
Kevin O'Connor be2d0abbab neopixel: Optimize the update loop 
Optimize the transmit code so it can run on some slower ARM cpus.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-12 23:39:00 -04:00
Kevin O'Connor b7bc96c3b2 neopixel: Add initial support for "neopixel" leds 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-12 21:44:01 -04:00
Kevin O'Connor 28aa2f507a endstop: Rename mcu end_stop commands to endstop 
Rename the commands.

The main reason for this change is to force a micro-controller code
updated (due to important bugfix in 7fefe52d).

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-12 08:10:53 -04:00
Kevin O'Connor 7fefe52df7 stepper: Don't update SF_LAST_DIR if SF_NEED_RESET 
If the move is not added to the move queue, then the SF_LAST_DIR
setting must not be changed.  Otherwise, it could result in an
incorrect direction being set on the stepper after a homing operation.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-12 07:54:24 -04:00
Kevin O'Connor b77375e955 lpc176x: Reset LPC_UART0->FDR when using serial 
The popular "LPC17xx-DFU-Bootloader" alters the LPC_UART0->FDR
register, so be sure to reset it back to its default when using serial
in Klipper.

Reported by @b-vs.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-07-10 20:00:58 -04:00
Arksine 0f1d42466b buttons: initialize mcu buttons based on inverted state 
Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
 2019-07-05 20:01:07 -04:00
Kevin O'Connor 8951dc3d51 lpc176x: Add more filtering to workaround adc hardware defect 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-06-20 08:57:24 -04:00
Kevin O'Connor 8d029ad652 lpc176x: Fix adc clock divisor 
Commit 1096075d changed CONFIG_CLOCK_FREQ to the actual cpu frequency,
but that commit failed to update adc.c accordingly.  That made the adc
run 4 times slower.  Make the corresponding change to adc.c.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-06-19 21:21:01 -04:00
Kevin O'Connor 700e35c6ac armcm_timer: Unify udelay() implementation 
Move the udelay() code from various arm board directories into the
src/generic/armcm_timer.c code.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-06-09 20:27:57 -04:00
Kevin O'Connor 3910a44cc9 atsam: Add support for "timer" controlled hardware pwm pins 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-06-02 10:59:33 -04:00
Kevin O'Connor e2e4a5d4e6 atsamd: Add build support for SAMD21E15 chip 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-06-01 13:43:37 -04:00
Kevin O'Connor 9e7ef3cf89 atsamd: Reduce the compile size of the hard_pwm pin list 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-05-30 14:05:31 -04:00
Kevin O'Connor 8532e2123e gpiocmds: Specify soft pwm duration in clock ticks 
Improve the precision of soft pwm pulses by allowing the host to
directly specify the clock duration of the pulse.  This improvement in
precision may be noticeable when controller servos (and bltouch).

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-05-26 11:09:32 -04:00
Kevin O'Connor 2469356861 stm32f1: Add support for building with a 0x7000 code offset 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-05-23 13:36:15 -04:00
Kevin O'Connor edb679b83d atsam: Enable pullup on i2c SDA line 
The internal pullup helps ensure i2c errors are detected properly.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-05-23 09:32:10 -04:00
Kevin O'Connor 24b1638c25 atsam: Improve i2c timeout detection 
Unify timeout detection in i2c_write() and i2c_read().

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-05-23 09:32:10 -04:00
Kevin O'Connor 5fe5f09244 atsam: Minor whitespace changes to i2c.c 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-05-23 09:13:55 -04:00
Kevin O'Connor bcfd101867 spi_software: Minor simplification to spi_software_prepare() 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-05-22 11:40:30 -04:00
Kevin O'Connor ab5238317b avr: Simplify spi mode setting 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-05-07 23:02:20 -04:00
Matt Baker c95705ba3a spi_software: save mode setting in config structure. 
Signed-off-by: Matt Baker <baker.matt.j@gmail.com>
 2019-05-07 00:03:17 -04:00
Matt Baker 38f3d65ac5 lpc176x: refactor usbserial to use udelay helper. 
Signed-off-by: Matt Baker <baker.matt.j@gmail.com>
 2019-04-06 20:53:15 -04:00
Matt Baker e83071c9fe lpc176x: force minimum usb disconnect time 
Fixes GitHub Issue #1499. Resolves USB hang by forcing a minimum
USB disconnection time at boot.

Signed-off-by: Matt Baker <baker.matt.j@gmail.com>
 2019-04-06 20:53:15 -04:00
Janne Grunau aab89e7f85 linux: add support for Linux hardware PWM 
The replicape servo pins (P9_14/P9_16) are muxed to the SOCs hardware
PWM unit driven by a 13MHz GP timer. They have to be driven by the
linux host mcu. This commits adds hardware PWM support using the linux
sysfs user space interface.

Signed-off-by: Janne Grunau <janne-3d@jannau.net>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-04-05 19:06:15 -04:00
Janne Grunau e6c3eeafd7 pwmcmds: allow 16-bit resolution 
Signed-off-by: Janne Grunau <janne-3d@jannau.net>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-04-05 19:02:48 -04:00
Kevin O'Connor e6157c1600 atsamd: Minor whitespace changes to sercom.c 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-04-04 18:30:05 -04:00
Kevin O'Connor f8bde6b1ef linux: Convert SPI to use enumerations 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-04-04 18:29:31 -04:00
Kevin O'Connor 3e71a57f67 lpc176x: Use enumerations for buses and reserve pins 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-04-04 18:29:31 -04:00
Kevin O'Connor bc9fd03dab atsamd: Use enumerations for buses and reserve pins 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-04-04 18:29:31 -04:00
Kevin O'Connor 7e8ecfe177 atsam: Use enumerations for buses and reserve pins 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-04-04 18:29:31 -04:00
Kevin O'Connor 7765653d83 avr: Use enumerations for buses and reserve pins 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-04-04 18:29:31 -04:00
Kevin O'Connor 4c3d50693e bus: Change bus parameter in config_spi/config_i2c 
Be explicit when using an spi_bus vs i2c_bus in the parameter name.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-04-04 18:29:31 -04:00
Kevin O'Connor 2c851e1621 avr: Add enumerations for the atmega168/328 analog only pins 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-03-31 21:47:27 -04:00
smark- eedc773d69 stm32f1: Fix ADC (#1474) 
The sampling time of the ADC was too slow (239 ADC clock cycles), causing the reading of the next ADC channel to have cross talk as per issue #1261. Sampling time updated to 41 ADC clock cycles.

Signed-off-by: Marco D'Alessio <marco@wrecklab.com>
 2019-03-31 14:32:27 -04:00
Kevin O'Connor d1eefba453 pru: The TMR_CNT is cleared by writing all ones 
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-03-31 13:48:50 -04:00
Kevin O'Connor 72d0c770d3 pru: Avoid using a timer wake time of exactly zero 
It appears the PRU timer will not trigger on a match of exactly zero.
If the next timer happened to be set to exactly zero, it could cause
software timers to get stuck and result in "move queue empty" errors.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-03-31 13:37:05 -04:00
Kevin O'Connor fbbe2cf9d6 lpc176x: Explicitly disconnect USB on a bootloader request 
It appears some host machines may not recognize that the USB device
has disconnected upon start of bootloader mode.  Explicitly disable
USB and add a 5ms delay to help signal the host of the upcoming
change.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 2019-03-31 13:37:01 -04:00
Eugene Krashtan 8c7f1546ab stm32f0: Wrong port definition for GPIOF (#1463) 
Signed-off-by: Eugene Krashtan <eug.krashtan@gmail.com>
 2019-03-29 09:41:05 -04:00
Eugene Krashtan 5913170b6b stm32f0: minor i2c bugfix (#1461) 
Signed-off-by: Eugene Krashtan <eug.krashtan@gmail.com>
 2019-03-28 12:27:57 -04:00