140 lines
3.2 KiB
C
140 lines
3.2 KiB
C
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
#include "w25q64.h"
|
|
|
|
#define SPI_CHANNEL 0 // /dev/spidevX.0
|
|
//#define SPI_CHANNEL 1 // /dev/spidevX.0
|
|
|
|
#define SPI_PORT 0
|
|
//#define SPI_PORT 1
|
|
|
|
void dump(uint8_t *dt, uint32_t n) {
|
|
uint32_t sz;
|
|
char buf[64];
|
|
uint16_t clm = 0;
|
|
uint8_t data;
|
|
uint8_t sum;
|
|
uint8_t vsum[16];
|
|
uint8_t total =0;
|
|
uint32_t saddr =0;
|
|
uint32_t eaddr =n-1;
|
|
sz = eaddr -saddr;
|
|
|
|
printf("----------------------------------------------------------\n");
|
|
uint16_t i;
|
|
for (i=0;i<16;i++) vsum[i]=0;
|
|
uint32_t addr;
|
|
for (addr = saddr; addr <= eaddr; addr++) {
|
|
data = dt[addr];
|
|
if (clm == 0) {
|
|
sum =0;
|
|
printf("%05x: ",addr);
|
|
}
|
|
|
|
sum+=data;
|
|
vsum[addr % 16]+=data;
|
|
|
|
printf("%02x ",data);
|
|
clm++;
|
|
if (clm == 16) {
|
|
printf("|%02x \n",sum);
|
|
clm = 0;
|
|
}
|
|
}
|
|
printf("----------------------------------------------------------\n");
|
|
printf(" ");
|
|
for (i=0; i<16;i++) {
|
|
total+=vsum[i];
|
|
printf("%02x ",vsum[i]);
|
|
}
|
|
printf("|%02x \n\n",total);
|
|
}
|
|
|
|
void main() {
|
|
uint8_t buf[256];
|
|
uint8_t wdata[16];
|
|
uint8_t i;
|
|
uint16_t n;
|
|
|
|
// Start SPI channel 0 with 2MHz
|
|
|
|
//if (wiringPiSPISetup(SPI_CHANNEL, 2000000) < 0) {
|
|
if (wiringPiSPISetupMode(SPI_CHANNEL, SPI_PORT, 2000000, 0) < 0) {
|
|
printf("SPISetup failed:\n");
|
|
}
|
|
|
|
// Start Flush Memory
|
|
W25Q64_begin(SPI_CHANNEL);
|
|
|
|
// JEDEC ID Get
|
|
W25Q64_readManufacturer(buf);
|
|
printf("JEDEC ID : ");
|
|
for (i=0; i< 3; i++) {
|
|
printf("%x ",buf[i]);
|
|
}
|
|
printf("\n");
|
|
|
|
// Unique ID Get
|
|
W25Q64_readUniqieID(buf);
|
|
printf("Unique ID : ");
|
|
for (i=0; i< 7; i++) {
|
|
printf("%x ",buf[i]);
|
|
}
|
|
printf("\n");
|
|
|
|
// Read 256 byte data from Address=0
|
|
memset(buf,0,256);
|
|
n = W25Q64_read(0, buf, 256);
|
|
printf("Read Data: n=%d\n",n);
|
|
dump(buf,256);
|
|
|
|
// First read 256 byte data from Address=0
|
|
memset(buf,0,256);
|
|
n = W25Q64_fastread(0, buf, 256);
|
|
printf("Fast Read Data: n=%d\n",n);
|
|
dump(buf,256);
|
|
|
|
// Erase data by Sector
|
|
n = W25Q64_eraseSector(0,true);
|
|
printf("Erase Sector(0): n=%d\n",n);
|
|
memset(buf,0,256);
|
|
n = W25Q64_read (0, buf, 256);
|
|
dump(buf,256);
|
|
|
|
// Write data to Sector=0 Address=10
|
|
for (i=0; i < 26;i++) {
|
|
wdata[i]='A'+i; // A-Z
|
|
}
|
|
n = W25Q64_pageWrite(0, 10, wdata, 26);
|
|
printf("page_write(0,10,d,26): n=%d\n",n);
|
|
|
|
// Read 256 byte data from Address=0
|
|
memset(buf,0,256);
|
|
n = W25Q64_read(0, buf, 256);
|
|
printf("Read Data: n=%d\n",n);
|
|
dump(buf,256);
|
|
|
|
// Write data to Sector=0 Address=0
|
|
for (i=0; i < 10;i++) {
|
|
wdata[i]='0'+i; // 0-9
|
|
}
|
|
n = W25Q64_pageWrite(0, 0, wdata, 10);
|
|
printf("page_write(0,0,d,10): n=%d\n",n);
|
|
|
|
// First read 256 byte data from Address=0
|
|
memset(buf,0,256);
|
|
n = W25Q64_fastread(0,buf, 256);
|
|
printf("Fast Read Data: n=%d\n",n);
|
|
dump(buf,256);
|
|
|
|
// Get fron Status Register1
|
|
buf[0] = W25Q64_readStatusReg1();
|
|
printf("Status Register-1: %x\n",buf[0]);
|
|
|
|
// Get fron Status Register2
|
|
buf[0] = W25Q64_readStatusReg2();
|
|
printf("Status Register-2: %x\n",buf[0]);
|
|
}
|