Kevin O'Connor 7aec52dfb3 avr: Don't set SS high on spi_init() ... The AVR requires that the SS pin be an output pin for correct SPI operation. Some boards use the SS pin to control devices separate from SPI, however. Don't change the output level if the pin is already an output, and prefer setting it low if it is not already an output pin. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>		2018-06-27 12:10:25 -04:00
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Kconfig	avr: Clean up serial port register aliases	2018-04-25 10:55:18 -04:00
Makefile	serial_irq: Add new generic/serial_irq.c code	2018-04-20 11:19:37 -04:00
gpio.c	avr: Don't set SS high on spi_init()	2018-06-27 12:10:25 -04:00
gpio.h	stepper: Introduce and use gpio_out_toggle_noirq()	2018-05-15 17:09:11 -04:00
irq.h	avr: Do not use Idle mode	2018-04-28 21:26:42 -04:00
main.c	command: Prefer uint8_t* for buffers; prefer uint8_fast_t for lengths	2018-05-28 10:43:39 -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