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* stm32: add alternate pinouts for spi1/2Arne Jansen2020-01-231-3/+9
| | | | | | | In addition to spi3, spi1 and spi2 also have alternate pins. Add them as spi1a and spi2a, similar to spi3. Signed-off-by: Arne Jansen <arne@die-jansens.de>
* stm32: performance improvement for spi on stm32f0Arne Jansen2020-01-231-4/+8
| | | | | | | | | | The stm32 has a small queue for spi tx/rx. The current code only uses the spi with a single byte buffer, effectively waiting for each byte to complete before starting the next transfer. This patch changes the structure of spi_transfer() to make use of the queue and achieve back-to-back transfer of bytes on spi. Signed-off-by: Arne Jansen <arne@die-jansens.de>
* stm32: fix spi_transfer for stm32f0Arne Jansen2020-01-231-2/+8
| | | | | | | | | | The current code accesses the DR as 32 bit. This enabled data packing mode, effectively adding a 00 byte between each sent byte. The receive side had similar problems. To prevent this, all accesses are 8 bit now, even though this is not necessary on stmf[14]. Signed-off-by: Arne Jansen <arne@die-jansens.de>
* lpc176x: Add support for ssp1 (#2393)akatik2020-01-143-22/+39
| | | Signed-off-by: Andrey Kovalev <aka@pxe.ru>
* stm32f0: Remove hal based stm32f0 implementationEug Krashtan2020-01-1418-1827/+0
| | | | | Signed-off-by: Eug Krashtan <eug.krashtan@gmail.com> Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: STM32F0 CAN featureEug Krashtan2020-01-144-0/+290
| | | | | Signed-off-by: Eug Krashtan <eug.krashtan@gmail.com> Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: HSI selection fix; Pin swap rename; Add CAN selectionEug Krashtan2020-01-142-7/+11
| | | | | Signed-off-by: Eug Krashtan <eug.krashtan@gmail.com> Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* linux: implement i2cArksine2020-01-134-1/+112
| | | | Signed-off-by: Eric Callahan <arksine.code@gmail.com>
* avr: implement i2c_readArksine2020-01-132-2/+19
| | | | Signed-off-by: Eric Callahan <arksine.code@gmail.com>
* config: Fysetc S6 generic configuration (#2220)Tobias Weiß2019-12-182-5/+5
| | | Signed-off-by: Tobias Weiß <t.weiss@bk.ru>
* atsam: Fix typo causing chipid to not be fully readKevin O'Connor2019-11-271-2/+2
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Fix typo in setting of SMPR1 register on stm32f103Kevin O'Connor2019-11-271-1/+2
| | | | | | Only the stm32f4 has a SMP18 field; it's not present on the stm32f103. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Fix typo in adc startup delayKevin O'Connor2019-11-271-1/+6
| | | | | | Fix (harmless) typo and add comments on adc timing. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* lcd_hd44780: Minor change to timing delaysKevin O'Connor2019-11-261-2/+2
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* lcd_hd44780: Add proper timing delays around gpio updatesKevin O'Connor2019-11-261-0/+20
| | | | | | | A fast micro-controller may update the gpio pins faster than the hd44780 chip can handle. Add in the appropriate delays. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* lpc176x: Move chip id code from usbserial.c to new file chipid.cKevin O'Connor2019-11-263-38/+48
| | | | | | | Add a chipid.c file - this makes the code layout more similar to the other arm boards. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* usb_cdc: Report MCU type on all boardsKevin O'Connor2019-11-261-4/+0
| | | | | | | Always report the "product id" as the MCU type (instead of as "Klipper firmware"). Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* atsam: Enable chipid as usb serial numberKevin O'Connor2019-11-263-1/+76
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* atsamd: Enable chipid as usb serial numberKevin O'Connor2019-11-253-1/+47
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Enable chipid as usb serial numberKevin O'Connor2019-11-253-1/+35
| | | | | Signed-off-by: Matt Baker <baker.matt.j@gmail.com> Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* usb_cdc: Add a usb_fill_serial() helper functionKevin O'Connor2019-11-253-23/+32
| | | | | | | Add a helper function to fill the usb serial string descriptor. Use it in the lpc176x code. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Allow external crystal speed to be customized in KconfigKevin O'Connor2019-11-254-55/+60
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* usb_cdc: Report the MCU name instead of "Klipper firmware"Kevin O'Connor2019-11-211-0/+4
| | | | | | | | Change the "product id" from the redundant "Klipper firmware" to the CONFIG_MCU value. For now, only make this change on boards that have CONFIG_HAVE_CHIPID set. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* lpc176x: Minor rework of HAVE_CHIPID kconfigKevin O'Connor2019-11-212-13/+9
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* lpc176x: read chip id and use as usb serial. (#2184)Matt Baker2019-11-215-10/+82
| | | Signed-off-by: Matt Baker <baker.matt.j@gmail.com>
* atsamd: Add support for SAMD51 overclockingLars R. Hansen2019-11-182-6/+22
| | | | | Signed-off-by: Lars R. Hansen <popshansen@hotmail.com> Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32f0: Initial support for i2c on stm32f0Kevin O'Connor2019-11-144-6/+100
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: adc for new stm32f0 common code (#2120)clearchris2019-11-054-3/+144
| | | | | | | Derived from stm32/adc.c and stm32f0/adc.c with additional changes. Tested on Monoprice Mini Delta (malyan) stm32f070xb board. Signed-off-by: Chris Lombardi <clearchris@hotmail.com>
* stm32: Define PGx pins on stm32f103Kevin O'Connor2019-11-021-2/+7
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* flash_usb: Pass -t $CONFIG_MCU to flash_usb on all targetsKevin O'Connor2019-10-264-11/+4
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* flash_usb: Use "-s" option to specify flash offset on atsamdKevin O'Connor2019-10-261-1/+1
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Add support for flashing over usb on stm32f042Kevin O'Connor2019-10-262-0/+16
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: stm32f4 usb boot check only needed when CONFIG_USBSERIALKevin O'Connor2019-10-261-2/+2
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32f4: Add support for flashing over USBKevin O'Connor2019-10-262-1/+15
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* atsam: sysio support is only available on sam4sKevin O'Connor2019-10-241-0/+2
| | | | | | Fix sam4e build error introduced in commit f723a314. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* atsam: Allow PB4-PB7,PB10-PB12 to be used as gpio on sam4Kevin O'Connor2019-10-241-0/+3
| | | | | | | A separate "sysio" register must be set in order to use some port B pins on the sam4 mcu. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Implement armcm_main() in arch specific codeKevin O'Connor2019-10-246-30/+40
| | | | | | | Move armcm_main() to stm32f0.c, stm32f1.c, and stm32f4.c. This gives the arch specific code more control on the early boot setup. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* armcm_boot: Use armcm_main() instead of main() to start board codeKevin O'Connor2019-10-246-25/+27
| | | | | | | | | | The main() function has a special meaning to gcc and using it can result in different code generation. Use armcm_main() to avoid that. Also, invoke SystemInit() from the board specific armcm_main() code. This gives the board code more control over board initialization. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Support PA11/PA12 pin remap on stm32f042 tsop20 chipKevin O'Connor2019-10-232-0/+12
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Support stm32f042 build from stm32/ directoryKevin O'Connor2019-10-234-4/+41
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Initial support for stm32f070Kevin O'Connor2019-10-239-21/+390
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32f0: Rename internal build symbol from MACH_STM32F0 to MACH_STM32F0_HALKevin O'Connor2019-10-232-3/+3
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Support 16bit packet memory access on usbfs controllerKevin O'Connor2019-10-231-9/+15
| | | | | | | The stm32f0 line uses 16bit packet memory reads/writes (as opposed to the goofy 32bit accesses required on the stm32f103). Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Be explicit in layout of gpio banks in digital_regs variableKevin O'Connor2019-10-231-3/+7
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Use stm32f103xe header for stm32f103 lineKevin O'Connor2019-10-231-1/+1
| | | | | | Use the "e" revision so that the SPI3 device is available for use. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Make sure to turn on the usb clock before writing to the packet memoryKevin O'Connor2019-10-131-4/+4
| | | | | | | The USB clock needs to be enabled prior to writing to the USB packet memory. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* avr: List 20Mhz option below 16Mhz option in KconfigKevin O'Connor2019-09-301-2/+2
| | | | | | | | When enabling "low level options" in Kconfig, selecting a chip that is 20Mhz capable would result in 20Mhz being the default. A 16Mhz speed is the preferred default, so list that first in the menu. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* lpc176x: Use FIOPIN to set start value on gpio_out_reset()Kevin O'Connor2019-09-291-4/+1
| | | | | | | | The FIOSET and FIOCLR registers may not set an initial value if the pin is not in an output mode. So, use FIOPIN to set the initial value. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Only prompt for a bootloader on stm32f103 and stm32f407Kevin O'Connor2019-09-181-2/+2
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* atsam: No need to call SystemInit() from main()Kevin O'Connor2019-09-181-2/+1
| | | | | | The SystemInit() is already called from armcm_boot.c. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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