Revision 2:32ff86163041, committed 2015-07-23
- Comitter:
- alec1
- Date:
- Thu Jul 23 17:11:38 2015 +0000
- Parent:
- 1:550759f64702
- Commit message:
- added support for cmds REMS, RES, RDSCUR, WRSCUR
Changed in this revision
diff -r 550759f64702 -r 32ff86163041 SPI_MX25R.lib
--- a/SPI_MX25R.lib Mon Jul 20 20:56:50 2015 +0000
+++ b/SPI_MX25R.lib Thu Jul 23 17:11:38 2015 +0000
@@ -1,1 +1,1 @@
-https://developer.mbed.org/users/alec1/code/SPI_MX25R/#8403da5975cb
+https://developer.mbed.org/users/alec1/code/SPI_MX25R/#f72110475fec
diff -r 550759f64702 -r 32ff86163041 main.cpp
--- a/main.cpp Mon Jul 20 20:56:50 2015 +0000
+++ b/main.cpp Thu Jul 23 17:11:38 2015 +0000
@@ -5,7 +5,7 @@
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>
@@ -15,8 +15,8 @@
// 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 ;
@@ -52,7 +52,7 @@
}
printf("\n\r") ;
}
-
+
void rdSFDPRange(unsigned long rd_start_address, unsigned long rd_end_address)
{
unsigned int i, j ;
@@ -88,7 +88,7 @@
}
printf("\n\r") ;
}
-
+
void rdFREADRange(unsigned long rd_start_address, unsigned long rd_end_address)
{
unsigned int i, j ;
@@ -124,22 +124,26 @@
}
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 and Dev ID, 9Fh)\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(" enso (Enter Secure OTP Area, B1h)\n\r") ;
- printf(" exso (Exit Secure OTP Area, C1h)\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") ;
@@ -152,7 +156,7 @@
printf("==================================================================================\n\r") ;
printf("\n\r") ;
}
-
+
int main() {
char cmd[32] ;
int i ;
@@ -202,6 +206,11 @@
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() ;
@@ -212,10 +221,19 @@
printf(" configuration register = 0x%04X\n\r", spi_mem.readConfig()) ;
printf("RDCR = 15h done\n\r") ;
- } else if (strcmp(cmd, "rdid") == 0) { // Read ID
+ } 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") ;
@@ -300,11 +318,17 @@
} // end poll
printf("32KBE = 52h done\n\r") ;
- } else if (strcmp(cmd, "wrsr") == 0) { // Write to Status and Configuration Reg 1 and 2
+ } 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
alec cohen
Macronix MX25Rxx35F Serial NOR Flash