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ncv7356: add driver for ncv7356 SW CAN transceiver

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This commit is contained in:
Vincent Dupont 2016-12-15 11:58:01 +01:00
parent d6356bdc08
commit 42c5c40da9
4 changed files with 170 additions and 0 deletions
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5
drivers/Makefile.dep
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@ -357,6 +357,11 @@ ifneq (,$(filter my9221,$(USEMODULE)))
USEMODULE += xtimer
endif
ifneq (,$(filter nvc7356,$(USEMODULE)))
USEMODULE += can_trx
FEATURES_REQUIRED += periph_gpio
endif
ifneq (,$(filter nrfmin,$(USEMODULE)))
FEATURES_REQUIRED += radio_nrfmin
FEATURES_REQUIRED += periph_cpuid

87
drivers/include/ncv7356.h Normal file
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@ -0,0 +1,87 @@
/*
* 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.
*/
/**
* @defgroup drivers_ncv7356 NCV7356
* @ingroup drivers_can
* @ingroup drivers_can_trx
* @brief ncv7356 Single Wire CAN transceiver driver
*
* @{
*
* @file
* @brief ncv7356 generic CAN transceiver interface initialization
*
* @author Aurelien Gonce <aurelien.gonce@altran.com>
* @author Vincent Dupont <vincent@otakeys.com>
*/
#ifndef NCV7356_H
#define NCV7356_H
#include <stdio.h>
#include "periph/gpio.h"
#include "can/can_trx.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief ncv7356 trx descriptor
*/
typedef struct ncv7356_trx {
/**
* set mode interface
*/
can_trx_t trx;
/**
* Mode 0 pin of ncv7356 device
*/
gpio_t mode0_pin;
/**
* Mode 1 pin of ncv7356 device
*/
gpio_t mode1_pin;
} ncv7356_trx_t;
/**
* @brief Set mode interface
*
* @param[in] dev Pointer to the ncv7356 descriptor
* @param[in] mode mode to set
*
* @return 0 on success
* @return -1 on error
*/
int ncv7356_trx_set_mode(can_trx_t *dev, can_trx_mode_t mode);
/**
* @brief Initialize the given ncv7356
*
* @param[in] dev Pointer to the ncv7356 descriptor
*
* @return 0 on success
* @return -1 on error
*/
int ncv7356_trx_init(can_trx_t *dev);
/**
* @brief ncv7356 driver
*/
extern const trx_driver_t ncv7356_driver;
#ifdef __cplusplus
}
#endif
#endif /* NCV7356_H */
/** @} */

1
drivers/ncv7356/Makefile Normal file
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@ -0,0 +1 @@
include $(RIOTBASE)/Makefile.base

77
drivers/ncv7356/ncv7356.c Normal file
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@ -0,0 +1,77 @@
/*
* 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,
};