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/*
* Copyright (C) Freie Universität Berlin
*
* 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.
*/
/**
* @{
*
* @file
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#include <inttypes.h>
#include "cpu.h"
#include "led.h"
#include "mutex.h"
#include "periph/gpio.h"
#include "periph/hwrng.h"
#include "xtimer.h"
#include "target.h"
#include "bsp.h"
static mutex_t critical_mutex = MUTEX_INIT;
void hal_enterCritical(void)
{
mutex_lock(&critical_mutex);
}
void hal_exitCritical(void)
{
mutex_unlock(&critical_mutex);
}
int8_t hal_init(void)
{
/* Should have happened long before emb6 started, so nothing to do */
return 1;
}
uint8_t hal_getrand(void)
{
#if RANDOM_NUMOF
uint8_t res;
hwnrg_read((char *)&res, sizeof(res));
return res;
#elif defined(MODULE_RANDOM)
return (uint8_t)(genrand_uint32() % UINT8_MAX);
#else
return 4; /* keeping the meme alive ;-) */
#endif
}
void hal_ledOn(uint16_t ui_led)
{
switch (ui_led) {
case E_BSP_LED_RED:
LED0_ON;
break;
case E_BSP_LED_YELLOW:
LED1_ON;
break;
case E_BSP_LED_GREEN:
LED2_ON;
break;
default:
break;
}
}
void hal_ledOff(uint16_t ui_led)
{
switch (ui_led) {
case E_BSP_LED_RED:
LED0_OFF;
break;
case E_BSP_LED_YELLOW:
LED1_OFF;
break;
case E_BSP_LED_GREEN:
LED2_OFF;
break;
default:
break;
}
}
uint8_t hal_extIntInit(en_targetExtInt_t e_extInt, pfn_intCallb_t pfn_intCallback)
{
/* RIOT does this in netdev2 initialization so nothing to do here. */
return 0;
}
void hal_delay_us(uint32_t i_delay)
{
xtimer_usleep(i_delay);
}
uint8_t hal_gpioPinInit(uint8_t c_pin, uint8_t c_dir, uint8_t c_initState)
{
/* Only used in board init code => not needed */
(void)c_pin;
(void)c_dir;
(void)c_initState;
return 0;
}
void *hal_ctrlPinInit(en_targetExtPin_t e_pinType)
{
(void)e_pinType;
return NULL;
}
void hal_pinSet(void *p_pin)
{
/* Only used in board/driver-related code code => not needed */
}
void hal_pinClr(void *p_pin)
{
/* Only used in board/driver-related code code => not needed */
}
uint8_t hal_pinGet(void *p_pin)
{
/* Only used in board/driver-related code code => not needed */
return 0;
}
void *hal_spiInit(void)
{
/* Only used in board/driver-related code code => not needed */
return 0;
}
/*----------------------------------------------------------------------------*/
/** \brief This function selects slave with which we will work
* \param p_spi Pointer to spi description entity
* \param action true or false
*
* \return 0 if failed, 1 id ok
*/
/*---------------------------------------------------------------------------*/
uint8_t hal_spiSlaveSel(void *p_spi, bool action)
{
/* Only used in board/driver-related code code => not needed */
return 0;
}
uint8_t hal_spiTransceive( uint8_t *txData, uint8_t *p_reg)
{
/* Only used in board/driver-related code code => not needed */
return 0;
}
uint8_t hal_spiRead(uint8_t *p_reg, uint16_t i_length)
{
/* Only used in board/driver-related code code => not needed */
return 0;
}
/*----------------------------------------------------------------------------*/
/** \brief This function writes a new value via given SPI interface
* registers.
*
*
* \param value Pointer to a value.
* \param i_length Length of a data to be received
*/
/*----------------------------------------------------------------------------*/
void hal_spiWrite(uint8_t *value, uint16_t i_length)
{
/* Only used in board/driver-related code code => not needed */
}
void hal_watchdogReset(void)
{
/* WDT and tick-less scheduling don't make much sense */
}
void hal_watchdogStart(void)
{
/* WDT and tick-less scheduling don't make much sense */
}
void hal_watchdogStop(void)
{
/* WDT and tick-less scheduling don't make much sense */
}
clock_time_t hal_getTick(void)
{
return (clock_time_t)xtimer_now_usec();
}
clock_time_t hal_getSec(void)
{
return (clock_time_t)xtimer_now_usec() / US_PER_SEC;
}
clock_time_t hal_getTRes(void)
{
return US_PER_SEC;
}
/** @} */