00001 /*This file is prepared for Doxygen automatic documentation generation.*/ 00013 00014 /* Copyright (c) 2009 Atmel Corporation. All rights reserved. 00015 * 00016 * Redistribution and use in source and binary forms, with or without 00017 * modification, are permitted provided that the following conditions are met: 00018 * 00019 * 1. Redistributions of source code must retain the above copyright notice, 00020 * this list of conditions and the following disclaimer. 00021 * 00022 * 2. Redistributions in binary form must reproduce the above copyright notice, 00023 * this list of conditions and the following disclaimer in the documentation 00024 * and/or other materials provided with the distribution. 00025 * 00026 * 3. The name of Atmel may not be used to endorse or promote products derived 00027 * from this software without specific prior written permission. 00028 * 00029 * 4. This software may only be redistributed and used in connection with an Atmel 00030 * AVR product. 00031 * 00032 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED 00033 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00034 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE EXPRESSLY AND 00035 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, 00036 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00037 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00038 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00039 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00040 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 00041 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00042 */ 00043 00044 00045 #ifndef PLL_DRV_H 00046 #define PLL_DRV_H 00047 00048 //_____ I N C L U D E S ____________________________________________________ 00049 00053 //_____ M A C R O S ________________________________________________________ 00054 00058 #define PLLx06 ( (0<<PLLP2) | (0<<PLLP1) | (0<<PLLP0) ) 00059 #define PLLx03 ( (0<<PLLP2) | (0<<PLLP1) | (1<<PLLP0) ) 00060 00061 00066 #define Start_pll(clockfactor) \ 00067 (PLLCSR = ( clockfactor | (1<<PLLE) )) 00068 00070 #define Is_pll_ready() (PLLCSR & (1<<PLOCK) ) 00071 00073 #define Wait_pll_ready() while (!(PLLCSR & (1<<PLOCK))) 00074 00076 #define Stop_pll() (PLLCSR &= (~(1<<PLLE)),PLLCSR=0 ) 00077 00078 // Start the PLL in autofactor mode 00079 // regarding FOSC define 00080 00081 #ifdef CUSTOM_PLL_START_AUTO 00082 #define Pll_start_auto() CUSTOM_PLL_START_AUTO 00083 #else 00084 #if (FOSC==8000) 00087 #define Pll_start_auto() Start_pll(PLLx06) 00088 #elif (FOSC==16000) 00089 #define Pll_start_auto() Start_pll(PLLx03) 00090 #else 00091 #error "FOSC should be defined in config.h" 00092 #endif 00093 #endif 00095 00097 #endif // PLL_DRV_H 00098 00099