2015-06-03 18:23:01 +02:00
|
|
|
/*
|
2016-02-08 19:04:28 +01:00
|
|
|
* Copyright (C) 2015-2016 Freie Universität Berlin
|
2015-06-03 18:23:01 +02:00
|
|
|
*
|
|
|
|
* 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 cpu_samd21
|
|
|
|
* @{
|
|
|
|
*
|
|
|
|
* @file
|
|
|
|
* @brief CPU specific definitions for internal peripheral handling
|
|
|
|
*
|
|
|
|
* @author Hauke Petersen <hauke.peterse@fu-berlin.de>
|
|
|
|
*/
|
|
|
|
|
2016-02-08 19:04:28 +01:00
|
|
|
#ifndef CPU_PERIPH_H
|
|
|
|
#define CPU_PERIPH_H
|
2015-06-03 18:23:01 +02:00
|
|
|
|
2016-02-08 19:04:28 +01:00
|
|
|
#include "periph_cpu_common.h"
|
2015-06-03 18:23:01 +02:00
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
extern "C" {
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @brief Available ports on the SAMD21
|
|
|
|
*/
|
|
|
|
enum {
|
|
|
|
PA = 0, /**< port A */
|
|
|
|
PB = 1, /**< port B */
|
|
|
|
PC = 2, /**< port C */
|
|
|
|
};
|
|
|
|
|
2015-10-23 11:40:41 +02:00
|
|
|
/**
|
|
|
|
* @brief PWM channel configuration data structure
|
|
|
|
*/
|
|
|
|
typedef struct {
|
|
|
|
gpio_t pin; /**< GPIO pin */
|
|
|
|
gpio_mux_t mux; /**< pin function multiplex value */
|
|
|
|
uint8_t chan; /**< TCC channel to use */
|
|
|
|
} pwm_conf_chan_t;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @brief PWM device configuration data structure
|
|
|
|
*/
|
|
|
|
typedef struct {
|
2015-11-19 16:08:38 +01:00
|
|
|
Tcc *dev; /**< TCC device to use */
|
2016-02-19 16:33:57 +01:00
|
|
|
pwm_conf_chan_t chan[3]; /**< channel configuration */
|
2015-10-23 11:40:41 +02:00
|
|
|
} pwm_conf_t;
|
|
|
|
|
2015-09-14 17:20:01 +02:00
|
|
|
/**
|
|
|
|
* @brief UART device configuration
|
|
|
|
*/
|
|
|
|
typedef struct {
|
|
|
|
SercomUsart *dev; /**< pointer to the used UART device */
|
|
|
|
gpio_t rx_pin; /**< pin used for RX */
|
|
|
|
gpio_t tx_pin; /**< pin used for TX */
|
|
|
|
gpio_mux_t mux; /**< alternative function for pins */
|
|
|
|
} uart_conf_t;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @brief Return the numeric id of a SERCOM device derived from its address
|
|
|
|
*
|
|
|
|
* @param[in] sercom SERCOM device
|
|
|
|
*
|
|
|
|
* @return numeric id of the given SERCOM device
|
|
|
|
*/
|
|
|
|
static inline int _sercom_id(SercomUsart *sercom)
|
|
|
|
{
|
|
|
|
return ((((uint32_t)sercom) >> 10) & 0x7) - 2;
|
|
|
|
}
|
|
|
|
|
2015-06-03 18:23:01 +02:00
|
|
|
#ifdef __cplusplus
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2016-02-08 19:04:28 +01:00
|
|
|
#endif /* CPU_PERIPH_H */
|
2015-06-03 18:23:01 +02:00
|
|
|
/** @} */
|