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RIOT/drivers/ncv7356/ncv7356.c
2019-08-21 11:05:51 +02:00

78 lines
1.6 KiB
C

/*
* Copyright (C) 2016-2018 OTA keys S.A.
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup drivers_ncv7356
* @{
*
* @file
* @brief generic can transceiver implementation for ncv7356
*
* @author Aurelien GONCE <aurelien.gonce@altran.com>
* @author Vincent Dupont <vincent@otakeys.com>
*
* @}
*/
#include "ncv7356.h"
int ncv7356_trx_set_mode(can_trx_t *dev, can_trx_mode_t mode)
{
ncv7356_trx_t *ncv7356 = (ncv7356_trx_t *)dev;
int ret;
switch (mode) {
case TRX_NORMAL_MODE:
case TRX_SILENT_MODE:
gpio_set(ncv7356->mode0_pin);
gpio_set(ncv7356->mode1_pin);
ret = 0;
break;
case TRX_HIGH_SPEED_MODE:
gpio_set(ncv7356->mode0_pin);
gpio_clear(ncv7356->mode1_pin);
ret = 0;
break;
case TRX_HIGH_VOLTAGE_WAKE_UP_MODE:
gpio_clear(ncv7356->mode0_pin);
gpio_set(ncv7356->mode1_pin);
ret = 0;
break;
case TRX_SLEEP_MODE:
gpio_clear(ncv7356->mode0_pin);
gpio_clear(ncv7356->mode1_pin);
ret = 0;
break;
default:
ret = -1;
break;
}
return ret;
}
int ncv7356_trx_init(can_trx_t *dev)
{
ncv7356_trx_t *ncv7356 = (ncv7356_trx_t *)dev;
gpio_init(ncv7356->mode0_pin, GPIO_OUT);
gpio_init(ncv7356->mode1_pin, GPIO_OUT);
ncv7356_trx_set_mode((can_trx_t *)dev, TRX_NORMAL_MODE);
return 0;
}
const trx_driver_t ncv7356_driver = {
.init = ncv7356_trx_init,
.set_mode = ncv7356_trx_set_mode,
};