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initial_pins: Add ability to configure output pins at mcu startup

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2019-03-17 20:41:52 -04:00
parent 0af89e4766
commit 4a35f927fc
5 changed files with 103 additions and 4 deletions
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25
src/initial_pins.c Normal file
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// Support setting gpio pins at mcu start
//
// Copyright (C) 2019 Kevin O'Connor <kevin@koconnor.net>
//
// This file may be distributed under the terms of the GNU GPLv3 license.
#include "autoconf.h" // CONFIG_INITIAL_PINS
#include "board/gpio.h" // gpio_out_setup
#include "board/pgm.h" // READP
#include "ctr.h" // DECL_CTR
#include "initial_pins.h" // initial_pins
#include "sched.h" // DECL_INIT
DECL_CTR("DECL_INITIAL_PINS " __stringify(CONFIG_INITIAL_PINS));
void
initial_pins_setup(void)
{
int i;
for (i=0; i<initial_pins_size; i++) {
const struct initial_pin_s *ip = &initial_pins[i];
gpio_out_setup(READP(ip->pin), READP(ip->flags) & IP_OUT_HIGH);
}
}
DECL_INIT(initial_pins_setup);