mc_stm8s_clk.c

来自「STM8S105 BLDC源代码」· C语言 代码 · 共 42 行

/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name          : MC_stm8s_clk.c
* Author             : IMS Systems Lab 
* Date First Issued  : mm/dd/yyy
* Description        : Low level clock managament module
********************************************************************************
* History:
* mm/dd/yyyy ver. x.y.z
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* THIS SOURCE CODE IS PROTECTED BY A LICENSE.
* FOR MORE INFORMATION PLEASE CAREFULLY READ THE LICENSE AGREEMENT FILE LOCATED
* IN THE ROOT DIRECTORY OF THIS FIRMWARE PACKAGE.
*******************************************************************************/

/******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "stm8s_lib.h"
#include "MC_dev_clk.h"
#include "MC_stm8s_clk_param.h"

void dev_clkInit(void)
{
	CLK_DeInit();
	CLK_SYSCLKConfig(CLK_PRESCALER_CPUDIV1);
	#if (STM8_FREQ_MHZ > 16)
		// Set High Speed External 24MHz
		CLK_ClockSwitchConfig(CLK_SWITCHMODE_AUTO, CLK_SOURCE_HSE, DISABLE, DISABLE); 
	#else
		// Set High Speed Internal 16MHz
		CLK_SYSCLKConfig(CLK_PRESCALER_HSIDIV1);
	#endif
}
/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/