From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Mon, 4 Jul 2011 20:52:54 +0200 Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011 it's sad to see that atmel doesn't publish their svn repo or has a centralized location or even puts proper version/release info into the library itself --- peripherals/wdt/wdt.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++ peripherals/wdt/wdt.dir | 36 ++++++++++++++++++++++++ peripherals/wdt/wdt.h | 60 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 170 insertions(+) create mode 100644 peripherals/wdt/wdt.c create mode 100644 peripherals/wdt/wdt.dir create mode 100644 peripherals/wdt/wdt.h (limited to 'peripherals/wdt') diff --git a/peripherals/wdt/wdt.c b/peripherals/wdt/wdt.c new file mode 100644 index 0000000..1b60de0 --- /dev/null +++ b/peripherals/wdt/wdt.c @@ -0,0 +1,74 @@ +/* ---------------------------------------------------------------------------- + * ATMEL Microcontroller Software Support + * ---------------------------------------------------------------------------- + * Copyright (c) 2008, Atmel Corporation + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * ---------------------------------------------------------------------------- + */ + +//------------------------------------------------------------------------------ +// Headers +//------------------------------------------------------------------------------ + +#include "wdt.h" +#include + +//------------------------------------------------------------------------------ +// Global functions +//------------------------------------------------------------------------------ + +//------------------------------------------------------------------------------ +/// Set Mode +//------------------------------------------------------------------------------ +void WDT_SetMode(AT91PS_WDTC pWDTC, unsigned int Mode) +{ + pWDTC->WDTC_WDMR = Mode; +} + +//------------------------------------------------------------------------------ +/// Restart +//------------------------------------------------------------------------------ +void WDT_Restart(AT91PS_WDTC pWDTC) +{ + pWDTC->WDTC_WDCR = 0xA5000001; +} + +//------------------------------------------------------------------------------ +/// Get status +//------------------------------------------------------------------------------ +unsigned int WDT_GetStatus(AT91PS_WDTC pWDTC) +{ + return(pWDTC->WDTC_WDSR & 0x3); +} + +//------------------------------------------------------------------------------ +/// Get period +//------------------------------------------------------------------------------ +unsigned int WDT_GetPeriod(unsigned int ms) +{ + if ((ms < 4) || (ms > 16000)) { + return 0; + } + return((ms << 8) / 1000); +} diff --git a/peripherals/wdt/wdt.dir b/peripherals/wdt/wdt.dir new file mode 100644 index 0000000..2f52a43 --- /dev/null +++ b/peripherals/wdt/wdt.dir @@ -0,0 +1,36 @@ +/* ---------------------------------------------------------------------------- + * ATMEL Microcontroller Software Support + * ---------------------------------------------------------------------------- + * Copyright (c) 2008, Atmel Corporation + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * ---------------------------------------------------------------------------- + */ + +//------------------------------------------------------------------------------ +/// \dir +/// +/// !!!Purpose +/// +/// Contains the peripheral API for the Watchdog (WDT). +//------------------------------------------------------------------------------ diff --git a/peripherals/wdt/wdt.h b/peripherals/wdt/wdt.h new file mode 100644 index 0000000..7c44adf --- /dev/null +++ b/peripherals/wdt/wdt.h @@ -0,0 +1,60 @@ +/* ---------------------------------------------------------------------------- + * ATMEL Microcontroller Software Support + * ---------------------------------------------------------------------------- + * Copyright (c) 2008, Atmel Corporation + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * ---------------------------------------------------------------------------- + */ + +//------------------------------------------------------------------------------ +/// \unit +/// +/// !Purpose +/// +/// Interface for configuration the watchdod (WDT) peripheral. +/// +//------------------------------------------------------------------------------ + +#ifndef WDT_H +#define WDT_H + +//------------------------------------------------------------------------------ +// Headers +//------------------------------------------------------------------------------ + +#include + +//------------------------------------------------------------------------------ +// Global Functions +//------------------------------------------------------------------------------ + +extern void WDT_SetMode(AT91PS_WDTC pWDTC, unsigned int Mode); + +extern void WDT_Restart(AT91PS_WDTC pWDTC); + +extern unsigned int WDT_GetStatus(AT91PS_WDTC pWDTC); + +extern unsigned int WDT_GetPeriod(unsigned int ms); + +#endif //#ifndef WDT_H -- cgit v1.2.3