File content as of revision 2:32ff86163041:
#include <ctype.h>
#include "mbed.h"
#include "SPI_MX25R.h"
DigitalOut myled3(LED3); //Red
DigitalOut myled1(LED1); //Blue
DigitalOut led_green(LED_GREEN);
DigitalOut led_red(LED_RED);
// 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 rdRange(unsigned long rd_start_address, unsigned long rd_end_address)
{
unsigned int i, j ;
unsigned char data[0x10] ;
unsigned long current_address = rd_start_address ;
printf("\n\r") ;
printf("rd_start_address = 0x%08X\n\r", rd_start_address) ;
printf("rd_end_address = 0x%08X\n\r", rd_end_address) ;
printf("\n\r") ;
printf(" ") ; // print header +0 to +F
for (i = 0 ; i < 0x10 ; i++ ) {
printf("+%X ",i) ;
}
printf("\n\r") ;
printf(" -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --") ;
printf("\n\r") ;
for (i = rd_start_address ; current_address < rd_end_address ; i++ ) {
printf("%06X : ", current_address ) ; // print start address :
for (j = 0 ; j <= 15 ; j++ ) {
data[j] = spi_mem.read8(current_address ) ;
printf("%02X ", data[j]) ;
current_address = current_address + 0x01 ;
}
printf(": ") ;
for (i = 0 ; i < 0x10 ; i++ ) {
if (isprint(data[i])) {
printf("%c", data[i]) ;
} else {
printf(".") ;
}
}
printf(" :\n\r") ;
}
printf("\n\r") ;
}
void rdSFDPRange(unsigned long rd_start_address, unsigned long rd_end_address)
{
unsigned int i, j ;
unsigned char data[0x10] ;
unsigned long current_address = rd_start_address ;
printf("\n\r") ;
printf("rd_start_address = 0x%08X\n\r", rd_start_address) ;
printf("rd_end_address = 0x%08X\n\r", rd_end_address) ;
printf("\n\r") ;
printf(" ") ; // print header +0 to +F
for (i = 0 ; i < 0x10 ; i++ ) {
printf("+%X ",i) ;
}
printf("\n\r") ;
printf(" -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --") ;
printf("\n\r") ;
for (i = rd_start_address ; current_address < rd_end_address ; i++ ) {
printf("%06X : ", current_address ) ; // print start address :
for (j = 0 ; j <= 15 ; j++ ) {
data[j] = spi_mem.readSFDP(current_address ) ;
printf("%02X ", data[j]) ;
current_address = current_address + 0x01 ;
}
printf(": ") ;
for (i = 0 ; i < 0x10 ; i++ ) {
if (isprint(data[i])) {
printf("%c", data[i]) ;
} else {
printf(".") ;
}
}
printf(" :\n\r") ;
}
printf("\n\r") ;
}
void rdFREADRange(unsigned long rd_start_address, unsigned long rd_end_address)
{
unsigned int i, j ;
unsigned char data[0x10] ;
unsigned long current_address = rd_start_address ;
printf("\n\r") ;
printf("rd_start_address = 0x%08X\n\r", rd_start_address) ;
printf("rd_end_address = 0x%08X\n\r", rd_end_address) ;
printf("\n\r") ;
printf(" ") ; // print header +0 to +F
for (i = 0 ; i < 0x10 ; i++ ) {
printf("+%X ",i) ;
}
printf("\n\r") ;
printf(" -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --") ;
printf("\n\r") ;
for (i = rd_start_address ; current_address < rd_end_address ; i++ ) {
printf("%06X : ", current_address ) ; // print start address :
for (j = 0 ; j <= 15 ; j++ ) {
data[j] = spi_mem.readFREAD(current_address ) ;
printf("%02X ", data[j]) ;
current_address = current_address + 0x01 ;
}
printf(": ") ;
for (i = 0 ; i < 0x10 ; i++ ) {
if (isprint(data[i])) {
printf("%c", data[i]) ;
} else {
printf(".") ;
}
}
printf(" :\n\r") ;
}
printf("\n\r") ;
}
void commandMenu(void) // TeraTerm Display (Enable Terminal Local Echo On).
{
printf("== Commands =========== (Comments) ===============================================\n\r") ;
printf("\n\r") ;
printf(" wren (Write Enable, set WEL=1, 06h)\n\r") ;
printf(" wrdi (Write Disable, set WEL=0, 04h)\n\r") ;
printf(" rdid (Read Manu & JEDEC Dev ID, 9Fh)\n\r") ;
printf(" rems (Read Elect. Manu & Dev ID,90h)\n\r") ;
printf(" res (Read Elect. Signiture, ABh)\n\r") ;
printf(" rdsr (Read Status Register, 05h)\n\r") ;
printf(" rdcr (Read Config Register, 15h)\n\r") ;
printf(" rdscr (Read Security Register, 2Bh)\n\r") ;
printf(" enso (Enter Secure OTP Area, B1h)\n\r") ;
printf(" exso (Exit Secure OTP Area, C1h)\n\r") ;
printf(" reset (ResetEnable + SoftwareReset = 66h + 99h)\n\r") ;
printf(" hp (Enter HP mode = WREN=06h + WRSR= 01h 000002h)\n\r") ;
printf(" lp (Enter LP mode = WREN=06h + WRSR= 01h 000000h)\n\r") ;
printf(" wrsr data_3B (Write SR 01h +3B data,ex: wrsr 000002h, set wren 1st)\n\r") ;
printf(" wrscr data_1B (Write Security Reg 2Fh +1B data, caution LDSO bit OTP!)\n\r") ;
printf(" se address (4KB Sector Erase, ex: be 0x00 <- note: sets WEL)\n\r") ;
printf(" be address (64KB Block Erase, ex: be 0x00 <- note: sets WEL)\n\r") ;
printf(" 32Kbe address (32KB Block Erase, ex: 32kbe 0x00 <- note: sets WEL)\n\r") ;
printf(" ce (Chip Erase = C7h, ex: ce <- note: sets WEL)\n\r") ;
printf(" pp address (256B Page Program, ex: pp 0x00 <- note: sets WEL)\n\r") ;
printf(" read address (read 1 byte of data, ex: read 0x0000)\n\r") ;
printf(" rd1 startadr endadr (read range of data, ex: rd1 0x00 0x10)\n\r") ;
printf(" fread startadr endadr (read range of data, ex: sfdp 0x00 0x10)\n\r") ;
printf(" sfdp startadr endadr (read range of SFDP, ex: sfdp 0x00 0x10)\n\r") ;
printf("==================================================================================\n\r") ;
printf("\n\r") ;
}
int main() {
char cmd[32] ;
int i ;
int numData = 256 ;
unsigned long address = 0 ;
unsigned long rd_start_address = 0 ;
unsigned long rd_end_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") ;
printf("\n\r") ;
commandMenu() ;
myled3 = 1;
myled1 = 1;
led_green = 0;
led_red = 1;
while(1){
printf("Enter command from list, or type menu.\n\r") ;
printf("> ") ;
scanf("%s", cmd) ;
if (strcmp(cmd, "read") == 0) { // Read Byte
scanf("%X", &address) ;
data[0] = spi_mem.read8(address) ;
printf("%01X : 0x%02X\n\r", address, data[0]) ;
} else if (strcmp(cmd, "rd1") == 0) { // Read Range
scanf("%X", &rd_start_address) ;
scanf("%X", &rd_end_address) ;
rdRange(rd_start_address, rd_end_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") ;
} else if (strcmp(cmd, "rdscr") == 0) { // Read Security Register
data[0] = spi_mem.readSecurity() ;
printf(" security register = 0x%02X\n\r", data[0]) ;
printf("RDSR = 05h done\n\r") ;
} else if (strcmp(cmd, "reset") == 0) { // ResetEnable + Software Reset
spi_mem.resetEnable() ;
spi_mem.reset() ;
printf("Software ResestEnable 66h + Reset 99h completed\n\r") ;
} 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") ;
} else if (strcmp(cmd, "rdid") == 0) { // Read Manufacturer and JEDEC Device ID
printf(" ID = 0x%06X\n\r", spi_mem.readID()) ;
printf("RDID = 9Fh done\n\r") ;
} else if (strcmp(cmd, "rems") == 0) { // Read Electronic Munufacturer and Device ID
printf(" ID = 0x%04X\n\r", spi_mem.readREMS()) ;
printf("REMS = 90h done\n\r") ;
} else if (strcmp(cmd, "res") == 0) { // Read Electronic Signiture
data[0] = spi_mem.readRES() ;
printf(" Electronic Signiture = 0x%02X\n\r", data[0]) ;
printf("RES = ABh done\n\r") ;
} else if (strcmp(cmd, "wren") == 0) { // Write Enable
spi_mem.writeEnable() ;
printf(" WREN = 06h set\n\r") ;
} else if (strcmp(cmd, "wrdi") == 0) { // Write Disable
spi_mem.writeDisable() ;
printf(" done\n\r") ;
} else if (strcmp(cmd, "enso") == 0) { // Enter Secure OTP Area
spi_mem.enterSecureOTP() ;
printf(" Entered Secure OTP Area\n\r") ;
} else if (strcmp(cmd, "exso") == 0) { // Exit Secure OTP Area
spi_mem.exitSecureOTP() ;
printf(" Entered Secure OTP Area\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") ;
} 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") ;
} 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") ;
} 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") ;
} 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") ;
} else if (strcmp(cmd, "wrsr") == 0) { // Write to Status and Configuration Reg 1 and 2
scanf("%X", &address) ;
spi_mem.writeStatusreg(address) ; // Write SR cmd 01h +SRdata 00h +CR1data 00h +CR2data 02h, (CR2<1> = 1 to Enter HP Mode)
wait(0.5) ;
printf(" You wrote 0x%X to Staus and Config Register 1 and 2 \n\r", address) ;
} else if (strcmp(cmd, "wrscr") == 0) { // Write to Security Reg
scanf("%X", &address) ;
spi_mem.writeSecurityreg(address) ; // WRSCUR cmd 2Fh + 1B of data
wait(0.5) ;
printf(" You wrote 0x%X to Security Register \n\r", address) ;
} else if (strcmp(cmd, "hp") == 0) { // Enter High Performance Mode
spi_mem.writeEnable() ; // send WREN 1st
spi_mem.writeStatusreg(0x000002) ; // Write SR cmd 01h +SRdata 00h +CR1data 00h +CR2data 02h, (CR2<1> = 1 to Ernter HP Mode)
printf(" You are now in High Performance mode (Red LED on)\n\r") ;
led_red = 0;
led_green = 1;
} else if (strcmp(cmd, "lp") == 0) { // Enter Low Power Mode
spi_mem.writeEnable() ; // send WREN 1st
spi_mem.writeStatusreg(0x000000) ; // Write SR cmd 01h +SRdata 00h +CR1data 00h +CR2data 00h, (CR2<1> = 0 to Ernter LP Mode)
printf(" You are now in Low Power mode (Green LED on)\n\r") ;
led_green = 0;
led_red = 1;
} else if (strcmp(cmd, "fread") == 0) { // Read SFDP Range
scanf("%X", &rd_start_address) ;
scanf("%X", &rd_end_address) ;
rdFREADRange(rd_start_address, rd_end_address) ;
} else if (strcmp(cmd, "sfdp") == 0) { // Read SFDP Range
scanf("%X", &rd_start_address) ;
scanf("%X", &rd_end_address) ;
rdSFDPRange(rd_start_address, rd_end_address) ;
} else if (strcmp(cmd, "help") == 0) {
commandMenu() ;
} else if (strcmp(cmd, "menu") == 0) {
commandMenu() ;
} else {
printf("Command NOT Recognized [ %s ]\n\r", cmd) ;
commandMenu() ;
}
}
}
alec cohen
Macronix MX25Rxx35F Serial NOR Flash