upsd_init.c

来自「DK3200开发板上的ADC开发出的AD和PWM应用程序」· C语言 代码 · 共 40 行

/*------------------------------------------------------------------------------
Title: upsd_init
Date: September 2004

DK3200 Initialization Code
09/2004 Ver 2.0 - Initial Version

Copyright (c) 2004 STMicroelectronics Inc.

This code is used to initialize the uPSD3200 MCU.  The file "upsd3200_hardware.h"
is used to specify the hardware configurable items such as crystal speed, 
memory addresses, etc.  The user MUST EDIT the "upsd3200_hardware.h" to match 
their physical hardware configuration AND as also defined in PSDsoft.

LIMITATION OF LIABILITY:   NEITHER STMicroelectronics NOR ITS VENDORS OR 
AGENTS SHALL BE LIABLE FOR ANY LOSS OF PROFITS, LOSS OF USE, LOSS OF DATA,
INTERRUPTION OF BUSINESS, NOR FOR INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES OF ANY KIND WHETHER UNDER THIS AGREEMENT OR
OTHERWISE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
------------------------------------------------------------------------------*/
#include "upsd3200.h"
#include "upsd3200_hardware.h"


void upsd_Init(void)
{
                  // Load pre-scalars with large value
  ASCL = 0xFE;    // Slow down ADC logic
  PSCL0L = 0xFE;  // Slow down PWM logic
  PSCL0H = 0xFE;  // 
  PSCL1L = 0xFE;  // 
  PSCL1H = 0xFE;  // 
  USCL = 0xFE;    // Slow down USB logic

  WDKEY = 0x55;   // Disable watch dog timer

  return;
}