
SPI EEPROM Nucleo F767ZI 25LC1024 Serial Read Write Erase
Revision 0:f9b337f472e3, committed 2018-06-01
- Comitter:
- shivanandgowdakr
- Date:
- Fri Jun 01 12:57:29 2018 +0000
- Commit message:
- SPI EEPROM Nucleo F767ZI 25LC1024 Serial Read Write Erase
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Fri Jun 01 12:57:29 2018 +0000 @@ -0,0 +1,4 @@ +.build +.mbed +projectfiles +*.py*
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EE25LC1024.lib Fri Jun 01 12:57:29 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/shivanandgowdakr/code/EE25LC1024/#81848bf6dd4a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Fri Jun 01 12:57:29 2018 +0000 @@ -0,0 +1,57 @@ +# Getting started with Blinky on mbed OS + +This guide reviews the steps required to get Blinky working on an mbed OS platform. + +Please install [mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli). + +## Import the example application + +From the command-line, import the example: + +``` +mbed import mbed-os-example-blinky +cd mbed-os-example-blinky +``` + +### Now compile + +Invoke `mbed compile`, and specify the name of your platform and your favorite toolchain (`GCC_ARM`, `ARM`, `IAR`). For example, for the ARM Compiler 5: + +``` +mbed compile -m K64F -t ARM +``` + +Your PC may take a few minutes to compile your code. At the end, you see the following result: + +``` +[snip] ++----------------------------+-------+-------+------+ +| Module | .text | .data | .bss | ++----------------------------+-------+-------+------+ +| Misc | 13939 | 24 | 1372 | +| core/hal | 16993 | 96 | 296 | +| core/rtos | 7384 | 92 | 4204 | +| features/FEATURE_IPV4 | 80 | 0 | 176 | +| frameworks/greentea-client | 1830 | 60 | 44 | +| frameworks/utest | 2392 | 512 | 292 | +| Subtotals | 42618 | 784 | 6384 | ++----------------------------+-------+-------+------+ +Allocated Heap: unknown +Allocated Stack: unknown +Total Static RAM memory (data + bss): 7168 bytes +Total RAM memory (data + bss + heap + stack): 7168 bytes +Total Flash memory (text + data + misc): 43402 bytes +Image: .\.build\K64F\ARM\mbed-os-example-blinky.bin +``` + +### Program your board + +1. Connect your mbed device to the computer over USB. +1. Copy the binary file to the mbed device. +1. Press the reset button to start the program. + +The LED on your platform turns on and off. + +## Troubleshooting + +If you have problems, you can review the [documentation](https://os.mbed.com/docs/latest/tutorials/debugging.html) for suggestions on what could be wrong and how to fix it.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Jun 01 12:57:29 2018 +0000 @@ -0,0 +1,78 @@ + +// SPI Single IO NOR eeprom Library for Nucleo F767ZI Interfacing + + + +#include "mbed.h" +#include "EE25LC1024.h" +#include <string> + +Serial pc(USBTX, USBRX); // tx, rx +DigitalOut WP(D7); +int main() +{ + + char str2[24] = {0}; + char str3[24] = {0}; + char str4[24] = {0}; + + + WP=1; + EE25LC1024 eeprom(PA_7, PA_6, PA_5, PA_4); + pc.printf("SPI init done\r\n\r\n"); + + // Read Identification information Related to chip. + + int ID = eeprom.ReleaseDPD_ReadSign(); + printf("ID and Signature is :%d",ID); + + wait(1); + // Reading eeprom Memory Status Register contents. + + + + eeprom.readStream(0x00, str2, 23); + pc.printf("After Read 1 String Here: %s\r\n",str2); + eeprom.readStream(23, str4, 23); + pc.printf("After Read 2 String Here: %s\r\n",str2); + eeprom.readStream(46, str3, 23); + pc.printf("After Read 3 String Here: %s\r\n",str2); + +// write a stream of characters to arbitrary address 0x168 + char stri[] = "Shivanand Gowda Ramaiah"; + + pc.printf("Writing String Here: %s\r\n",stri); + eeprom.writeStream(0x00, stri, 23); //Writing Strings in three Differnt addresses. + eeprom.writeStream(23, stri, 23); + eeprom.writeStream(46, stri, 23); + +// +// uint8_t a=eeprom.readRegister(); +// read stream from 0x168 + + pc.printf("Before String Here: %s\r\n",str2); + eeprom.readStream(0x00, str2, 23); + pc.printf("After Read 1 String Here: %s\r\n",str2); + eeprom.readStream(23, str4, 23); + pc.printf("After Read 2 String Here: %s\r\n",str2); + eeprom.readStream(46, str3, 23); + pc.printf("After Read 3 String Here: %s\r\n",str2); +// +// for(int i=0; i<20;i++) +// pc.printf("Printing byte by byte %c\r\n",str2[i]); + + + // eeprom.sectorErase(0x00); +// while(1) { +// uint8_t busy=eeprom.checkIfBusy(); +// if(busy==0) { +// pc.printf("Not Busy any More \r\n"); +// break; +// } else if (busy==1) +// pc.printf("Busy Now \r\n"); +// } + + pc.printf("Exited from program \r\n"); + return 0; + +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Fri Jun 01 12:57:29 2018 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#367dbdf5145f4d6aa3e483c147fe7bda1ce23a36