00001 /*This file has been prepared for Doxygen automatic documentation generation.*/ 00013 00014 /* Copyright (c) 2007, 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 * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED 00030 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00031 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND 00032 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, 00033 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00034 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00035 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00036 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00037 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 00038 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00039 */ 00040 00041 00042 #ifndef PLL_DRV_H 00043 #define PLL_DRV_H 00044 00045 //_____ I N C L U D E S ____________________________________________________ 00046 00050 //_____ M A C R O S ________________________________________________________ 00051 00055 #define PLLx06 ( (0<<PLLP2) | (0<<PLLP1) | (0<<PLLP0) ) 00056 #define PLLx03 ( (0<<PLLP2) | (0<<PLLP1) | (1<<PLLP0) ) 00057 00058 00063 #define Start_pll(clockfactor) \ 00064 (PLLCSR = ( clockfactor | (1<<PLLE) )) 00065 00067 #define Is_pll_ready() (PLLCSR & (1<<PLOCK) ) 00068 00070 #define Wait_pll_ready() while (!(PLLCSR & (1<<PLOCK))) 00071 00073 #define Stop_pll() (PLLCSR &= (~(1<<PLLE)),PLLCSR=0 ) 00074 00075 // Start the PLL in autofactor mode 00076 // regarding FOSC define 00077 #if (FOSC==8000) 00080 #define Pll_start_auto() Start_pll(PLLx06) 00081 #elif (FOSC==16000) 00082 #define Pll_start_auto() Start_pll(PLLx03) 00083 #else 00084 #error "FOSC should be defined in config.h" 00085 #endif 00086 00088 00090 #endif // PLL_DRV_H 00091 00092