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SD Card 的代码
sd卡的写操作.c
unsigned char SD_write_sector(unsigned long address,unsigned char$Burfer)
unsigned char rddata[1],wrdata[1];
unsigned int i;
unsigned char cmd24[]={0x58,0x00,0x00,0x00,0x00,0xff);
//CMD24命
sd卡的读操作.c
urlsigned char SD_read_sector(unsigned long address,unsigned char{buffer)
//SD卡读函数
unsigned char rddata[1],wrdata[1];
unsigned int j;
unsigned char cmdl7[]={0x51,0x00,0x00,0x00,0x00,0xff};//CM
sd卡的复位操作.c
unsigned char SD_Reset() //SD卡复位函数,进入SPI模式
{
unslgned Char i;
unsigned char rddata[1],wrdata[1];
unsigned char cmd0[]=(0x40,0x00,0x00,0x00,0x00,0x95);
CS_EN=1; //CS_EN置为高电平,屏蔽SPI内核的SS_n
sd卡的写操作.c
unsigned char SD_write_sector(unsigned long address,unsigned char$Burfer)
unsigned char rddata[1],wrdata[1];
unsigned int i;
unsigned char cmd24[]={0x58,0x00,0x00,0x00,0x00,0xff);
//CMD24命
sd卡的读操作.c
urlsigned char SD_read_sector(unsigned long address,unsigned char{buffer)
//SD卡读函数
unsigned char rddata[1],wrdata[1];
unsigned int j;
unsigned char cmdl7[]={0x51,0x00,0x00,0x00,0x00,0xff};//CM
sd卡的复位操作.c
unsigned char SD_Reset() //SD卡复位函数,进入SPI模式
{
unslgned Char i;
unsigned char rddata[1],wrdata[1];
unsigned char cmd0[]=(0x40,0x00,0x00,0x00,0x00,0x95);
CS_EN=1; //CS_EN置为高电平,屏蔽SPI内核的SS_n
mvd_dm_var_sd.h
// ---------------------------------------
// MVD DM variable address C definitions
// Jupiter MVD Assembler Version 1.2
// Firmware Version 349
//----------------------------------------
#def
test_count_ones_sd.v
module t_count_ones_SD();
parameter counter_size = 3;
parameter word_size = 4;
wire [counter_size -1 : 0] bit_count;
wire done;
reg [word_size-1: 0] data;
reg start, clk, re
count_ones_sd_0.v
module count_ones_SD_0 (bit_count, start, done, data, clk, reset);
// This model differs form the one in the text. Here, Start is an output.
parameter data_width = 4;
parameter count_width =