Cone Smith
Freescale FRDM-K64F development platform with external Macronix Serial NOR Flash used to perform SPI Read, Program, and Erase.
Fork of
MX25Rxx35F_Serial_NOR_Flash_Testbench
by 
alec cohen
main.cpp
- Committer:
- alec1
- Date:
- 2015-07-08
- Revision:
- 0:b2771f496313
- Child:
- 1:550759f64702
File content as of revision 0:b2771f496313:
#include <ctype.h>
#include "mbed.h"
#include "SPI_MX25R.h"
DigitalOut myled3(LED3); //Red
DigitalOut myled1(LED1); //Blue
DigitalOut led_green(LED_GREEN);
// SPI_MX25R(PinName mosi, PinName miso, PinName sclk, PinName cs) ;
// FRDM-K64F
// D13 SPI0_SCK (PTD1) J2<12>
// D12 SPI0_MISO (PTD3) J2<10>
// D11 SPI0_MOSI (PTD2) J2<8>
// D10 SPI0_PCS0 (PTD0) J2<6>
// Vdd =3.3V = J3<4>
// Gnd =0.0V = J2<14>
SPI_MX25R spi_mem(PTD2, PTD3, PTD1, PTD0) ;
void usage(void)
{
printf("==== List of Commands =============================================================\n\r") ;
printf("\n\r") ;
printf("rdid (Read Manu and Dev ID, 9Fh)\n\r") ;
printf("wren (Write Enable, set WEL=1, 06h)\n\r") ;
printf("wrdi (Write Disable, set WEL=0, 04h)\n\r") ;
printf("rdsr (Read Status Register, 05h + 00h)\n\r") ;
printf("reset (ResetEnable + SoftwareReset = 66h + 99h)\n\r") ;
printf("hp (Enter HP mode = WREN=06h + WRSR= 01h 00 00 02h )\n\r") ;
printf("lp (Enter LP mode = WREN=06h + WRSR= 01h 00 00 00h )\n\r") ;
printf("rdcr (Read Config Register, 15h + 00 00h)\n\r") ;
printf("read address (read 1 byte of data, ex: read 0x0000)\n\r") ;
printf("rd4 address (read 4 bytes of data, ex: read 0x0000)\n\r") ;
printf("rd256 address (read 256 bytes of data, ex: read 0x0000)\n\r") ;
printf("pp address (256B Page Program, ex: pp 0x00 <- note: routine sets WEL)\n\r") ;
printf("se address (4KB Sector Erase, ex: be 0x00 <- note: routine sets WEL)\n\r") ;
printf("be address (64KB Block Erase, ex: be 0x00 <- note: routine sets WEL)\n\r") ;
printf("32Kbe address (32KB Block Erase, ex: 32kbe 0x00 <- note: routine sets WEL)\n\r") ;
printf("ce (Chip Erase = C7h, ex: ce <- note: routine sets WEL)\n\r") ;
printf("\n\r") ;
printf("===================================================================================\n\r") ;
}
void rd256(unsigned long address)
{
unsigned int i, j ;
unsigned char data[0x10] ;
printf(" : ") ;
for (i = 0 ; i < 0x10 ; i++ ) {
printf("+%X ",i) ;
}
printf("\n\r") ;
for (j = 0 ; j < 0x10 ; j++ ) {
printf("%06X : ", address + (0x10 * j)) ;
for (i = 0 ; i < 0x10 ; i++ ) {
data[i] = spi_mem.read8(address + 0x10 * j + i) ;
printf("%02X ", data[i]) ;
}
printf(": ") ;
for (i = 0 ; i < 0x10 ; i++ ) {
if (isprint(data[i])) {
printf("%c", data[i]) ;
} else {
printf(".") ;
}
}
printf(" :\n\r") ;
}
printf("\n\r") ;
}
int main() {
char cmd[32] ;
//int tmp = 0 ;
int i ;
int numData = 256 ;
unsigned long address = 0 ;
unsigned char data[256] ;
extern serial_t stdio_uart ;
serial_baud(&stdio_uart, 9600) ;
printf("\n\r") ;
printf("\n\r") ;
printf("\n\r") ;
printf("\n\r") ;
printf("\n\r ####################################################\n\r") ;
printf(" # #\n\r") ;
printf(" # Macronix MX25Rxx35F Serial NOR Flash Testbench #\n\r") ;
printf(" # #\n\r") ;
printf(" ####################################################\n\r") ;
printf("\n\r") ;
usage() ;
myled3 = 1;
myled1 = 1;
led_green = 0;
while(1){
printf("> ") ;
scanf("%s", cmd) ;
if (strcmp(cmd, "read") == 0) {
scanf("%X", &address) ;
data[0] = spi_mem.read8(address) ;
printf("%01X : 0x%02X\n\r", address, data[0]) ;
} else if (strcmp(cmd, "rd4") == 0) {
scanf("%X", &address) ;
printf(" 4B data = 0x%08X\n\r", spi_mem.rd32(address)) ;
} else if (strcmp(cmd, "rdsr") == 0) { // Read Status Register
data[0] = spi_mem.readStatus() ;
printf(" status register = 0x%02X\n\r", data[0]) ;
printf("RDSR = 05h done\n\r") ;
led_green = 1;
} else if (strcmp(cmd, "reset") == 0) { // ResetEnable + Software Reset
spi_mem.resetEnable() ;
spi_mem.reset() ;
printf("Software ResestEnable 66h + Reset 99h completed\n\r") ;
led_green = 1;
} else if (strcmp(cmd, "rdcr") == 0) { // Read Configuration Register
printf(" configuration register = 0x%04X\n\r", spi_mem.readConfig()) ;
printf("RDCR = 15h done\n\r") ;
led_green = 1;
} else if (strcmp(cmd, "rdid") == 0) { // Read ID
printf(" ID = 0x%06X\n\r", spi_mem.readID()) ;
printf("RDID = 9Fh done\n\r") ;
led_green = 1;
} else if (strcmp(cmd, "wren") == 0) { // Write Enable
spi_mem.writeEnable() ;
printf(" WREN = 06h set\n\r") ;
led_green = 1;
} else if (strcmp(cmd, "wrdi") == 0) { // Write Disable
spi_mem.writeDisable() ;
printf(" done\n\r") ;
} else if (strcmp(cmd, "pp") == 0) { // Page Program
scanf("%X", &address) ;
printf("writing %d bytes to 0x%X\n\r",numData, address) ;
spi_mem.writeEnable() ; // send WREN 1st
for (i = 0 ; i < numData ; i++ ) {
data[i] = i & 0xFF ;
}
spi_mem.programPage(address, data, numData) ;
data[0] = 0 ;
while((data[0] & 0x01) != 0x01 ) {
printf(".") ;
data[0] = spi_mem.readStatus() ;
wait(0.01) ;
}
printf("\n\r") ;
printf(" PP = 02h done\n\r") ;
led_green = 1;
} else if (strcmp(cmd, "ce") == 0) { // Chip Erase
spi_mem.writeEnable() ; // send WREN 1st
spi_mem.chipErase() ;
data[0] = 0x01 ; // poll if WIP bit SR<0>=1
while((data[0] & 0x01) != 0 ) {
printf("wait, chip erase in progress") ;
data[0] = spi_mem.readStatus() ;
printf(" --> status register = 0x%02X\n\r", data[0]) ;
wait(5) ;
} // end poll
printf("CE = C7h done\n\r") ;
led_green = 0;
} else if (strcmp(cmd, "se") == 0) { // Sector Erase
scanf("%X", &address) ;
printf("Eraseing address 0x%X\n\r", address) ;
spi_mem.writeEnable() ; // send WREN 1st
spi_mem.sectorErase(address) ;
data[0] = 0x01 ; // poll if WIP bit SR<0>=1
while((data[0] & 0x01) != 0 ) {
printf(".") ;
data[0] = spi_mem.readStatus() ;
wait(0.1) ;
} // end poll
printf("SE = 20h done\n\r") ;
led_green = 0;
} else if (strcmp(cmd, "be") == 0) { // 64KB Block Erase
scanf("%X", &address) ;
printf("Eraseing address 0x%X\n\r", address) ;
spi_mem.writeEnable() ; // send WREN 1st
spi_mem.blockErase(address) ;
data[0] = 0x01 ; // poll if WIP bit SR<0>=1
while((data[0] & 0x01) != 0 ) {
printf(".") ;
data[0] = spi_mem.readStatus() ;
wait(0.1) ;
} // end poll
printf("BE = D8h done\n\r") ;
led_green = 0;
} else if (strcmp(cmd, "32kbe") == 0) { // 32KB Block Erase
scanf("%X", &address) ;
printf("Eraseing address 0x%X\n\r", address) ;
spi_mem.writeEnable() ; // send WREN 1st
spi_mem.blockErase(address) ;
data[0] = 0x01 ; // poll if WIP bit SR<0>=1
while((data[0] & 0x01) != 0 ) {
printf(".") ;
data[0] = spi_mem.readStatus() ;
wait(0.1) ;
} // end poll
printf("32KBE = 52h done\n\r") ;
led_green = 0;
} else if (strcmp(cmd, "hp") == 0) { // Enter High Performance Mode
spi_mem.writeEnable() ; // send WREN 1st
spi_mem.hpmode() ;
printf(" You are now in High Performance mode\n\r") ;
led_green = 0;
} else if (strcmp(cmd, "lp") == 0) { // Enter Low Power Mode
spi_mem.writeEnable() ; // send WREN 1st
spi_mem.lpmode() ;
printf(" You are now in Low Power mode\n\r") ;
led_green = 0;
} else if (strcmp(cmd, "rd256") == 0) {
scanf("%X", &address) ;
rd256(address) ;
} else if (strcmp(cmd, "help") == 0) {
usage() ;
} else {
printf("Command NOT Recognized [ %s ]\n\r", cmd) ;
usage() ;
}
}
}