yanhc

摘要： 最近参加ADI的UDC（University Design Competition）比赛，调试触摸屏，用的是BF533，调试SPI调试了半天，问亿旗，只是搪塞回答了一下，后来问中国ADI的DSP技术支持，他们还在开发板上调试了我的代码，真负责，原来是我没有加ssync();这条语句。不过，现在触摸屏还是有问题，BF533不能和它通信目前。//** file: spi.h//** target: ADSP-BF533//** creat time: 2008-8-19#ifndef _SPI_H#define _SPI_H#define SPI_SEL_LOW *pSPI_FLG ... 阅读全文

摘要： 问了一下亿旗，终于调出来了，下面是部分源代码：//************************************************////** file: spi.c//** target: ADSP-BF533//** creat time: 2008-8-19#include <ccblkfn.h>#include <cdefBF533.h>#include "sys_func.h"//SPI interface funtionvoid SPI_Init(void){ *pSPI_BAUD = (unsigned short)(G 阅读全文

摘要： C Language ReferenceC Bit FieldsIn addition to declarators for members of a structure or union, astructure declarator can also be a specified number of bits, called a"bit field." Its length is set off from the declarator for the fieldname by a colon. A bit field is interpreted as an integr 阅读全文