Revision 0:b2771f496313, committed 2015-07-08

Comitter:

alec1

Date:

Wed Jul 08 20:59:56 2015 +0000

Child:

1:550759f64702

Commit message:

Rev0

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SPI_MX25R.lib	Wed Jul 08 20:59:56 2015 +0000
@@ -0,0 +1,1 @@
+SPI_MX25R#a16ad6f5c788

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jul 08 20:59:56 2015 +0000
@@ -0,0 +1,236 @@
+#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() ;
+        }
+    }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Jul 08 20:59:56 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/7cff1c4259d7
\ No newline at end of file