Grigori Goronzy ebd9035325 SPI: introduce spi_prepare function ... The SPI interface needs to be enabled and configured to the correct settings of a given oid before CS is asserted. The new function spi_prepare() allows ports to do that. This port only introduces the new function in all ports with no implementation and adds the call to the Klipper generic firmware code. That means everything still works as before. Ports need to be changed to fix the underlying issue. Discussion about the motivation here: https://github.com/KevinOConnor/klipper/pull/453#issuecomment-403131149 Signed-off-by: Grigori Goronzy <greg@chown.ath.cx>		2018-07-08 09:25:11 -04:00
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gpio.c	SPI: introduce spi_prepare function	2018-07-08 09:25:11 -04:00
gpio.h	SPI: introduce spi_prepare function	2018-07-08 09:25:11 -04:00
irq.h	avr: Do not use Idle mode	2018-04-28 21:26:42 -04:00
Kconfig	avr: Clean up serial port register aliases	2018-04-25 10:55:18 -04:00
main.c	command: Prefer uint8_t* for buffers; prefer uint8_fast_t for lengths	2018-05-28 10:43:39 -04:00
Makefile	serial_irq: Add new generic/serial_irq.c code	2018-04-20 11:19:37 -04:00
pgm.h	Initial commit of source code.	2016-05-25 11:37:40 -04:00
serial.c	avr: Clean up serial port register aliases	2018-04-25 10:55:18 -04:00
timer.c	avr: Clear the TCNT1 register on timer startup	2018-01-07 22:22:08 -05:00
usbserial.c	command: Add command_find_and_dispatch() helper	2018-05-28 10:43:39 -04:00
watchdog.c	build: Use compile_time_request system for init, tasks, and shutdown	2017-05-26 12:39:34 -04:00