www.pudn.com > Bit1611_demo_code.rar > MCU.C

/* ********************************************************************** 
 
         Copyright (c) 2002-2006 Beyond Innovation Technology Co., Ltd 
 
        All rights are reserved. Reproduction in whole or in parts is 
    prohibited without the prior written consent of the copyright owner. 
   ---------------------------------------------------------------------- 
 
    Module: MCU.C 
 
    Purpose: Implementation of MCU. 
 
    Version: 0.01                                   07:16PM  2005/05/13 
 
    Compiler: Keil 8051 C Compiler v8.01 
 
    Reference: 
    [1] BIT5101 8051 MICROCONTROLLER WITH 64K FLASH AND ISP Version 0.01, 
        2004/10/25, Beyond Innovation Technology 
    [2] TP2804  8051 MICROCONTROLLER WITH 64K FLASH AND ISP Version 1.2, 
        June 2004, TOPRO 
 
   ---------------------------------------------------------------------- 
    Modification: 
 
    R0.01 07:16PM  2005/05/13 Jeffrey Chang 
    Reason: 
        1. Original. 
    Solution: 
 
   ********************************************************************** */ 
 
 
#define  _MCU_C_ 
 
/* ------------------------------------ 
    Header Files 
   ------------------------------------ */ 
#include "mcu.h" 
#include "timer.h" 
 
/* ------------------------------------ 
    Macro Definitions 
   ------------------------------------ */ 
 
/* ------------------------------------ 
    Type Definitions 
   ------------------------------------ */ 
 
 
/* ------------------------------------ 
    Variables Definitions 
   ------------------------------------ */ 
 
/* ------------------------------------ 
    Function Prototypes 
   ------------------------------------ */ 
 
/* ------------------------------------------------------------------- 
    Name: MCU_Init - 
    Purpose: To initialize MCU module. 
    Passed: None. 
    Returns: None. 
    Notes: 
   ------------------------------------------------------------------- */ 
void MCU_Init (void) 
{ 
    /* [4]87 Disable interrupts */ 
    IE0 = 0; 
    IE1 = 0; 
 
    /* Initiate I/O PORTs */ 
    P0 = 0xFF; 
    P1 = 0xFF; 
    P2 = 0xFF; 
    P3 = 0xFF; 
 
    // PANEL POWER should be turned off 
    MCU_PANEL_OFF; 
 
 
    // Backlight should be turned off 
    MCU_BL_OFF; 
 
 
 
    #if (MCU_CFG == BIT5101)        ||  \ 
        (MCU_CFG == TP2804) 
 
    P4 = 0x0F; 
 
    /* Interrupt Priority Level [5]18,19, [8]19,20, [9]19,20 */ 
    IP      = 0x08;     // Timer 1 priority level 3 
 
    /* [5]7 Power control */ 
    PCON    = 0xC0;     // [3]77 Baud rate is double (SMOD = 1) 
                        // Disable power-down and idle modes 
 
    // To use Timer 0 (ET0) as System Timer 
    ET0     = 1;        // To confirm TIMER_CFG in TIMER module 
 
    // To use Timer 2 (ET2) as UART baud rate generator 
    ET2     = 1;        // To confirm UART_TIMER_CFG in UART module 
 
    CHPCON  = 0x10;     // To enable on-chip AUX-RAM 
 
 
    #else 
        #error MCU.C - Invalid MCU_CFG ! 
    #endif /* MCU_CFG */ 
 
 
} /* MCU_Init */ 
 
 
 
/* ********************************************************************** 
 
    Description: 
 
 
   ********************************************************************** */ 
 
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