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Tautvydas Belgeras 2018-06-05 16:16:17 +03:00
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project/realtek_amebaz_va0_example/example_sources/flash_setstatus/Makefile Normal file
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.PHONY: all copy clean
#*****************************************************************************#
# Source FILE LIST #
#*****************************************************************************#
CSRC = src inc
#*****************************************************************************#
# RULES TO GENERATE TARGETS #
#*****************************************************************************#
# Define the Rules to build the core targets
all: copy
copy:
for cpf in $(CSRC); do \
cp -rf $$cpf ../..; \
done

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project/realtek_amebaz_va0_example/example_sources/flash_setstatus/readme.txt Normal file
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Example Description
This example demonstrates how to configure the status register to protect certain blocks. Note that the status register should be reset
if users want to reload code.

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project/realtek_amebaz_va0_example/example_sources/flash_setstatus/src/main.c Normal file
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#include "diag.h"
#include "main.h"
#include "objects.h"
#include "flash_api.h"
// Decide starting flash address for storing application data
// User should pick address carefully to avoid corrupting image section
#define FLASH_APP_BASE 0x1F0000//the start address of the last block((for MX25L1606E, please refer to datasheets for different flash))
#define length 256
void main(void)
{
flash_t flash;
uint32_t address = FLASH_APP_BASE;
int result = 1;
int i = 0;
//int length = 256;
char data[length];
char buff[length];
flash_erase_sector(&flash, address);
for(i = 0; i<length;i++){
data[i] = i;
}
flash_burst_write(&flash, address, length, &data[0]);
flash_stream_read(&flash, address, length, &buff[0]);
for(i = 0; i<length;i++){
if(data[i] != buff[i]){
DBG_8195A(ANSI_COLOR_YELLOW"Error Addr %x, Write Data is = %x, Read Data is %x\n"ANSI_COLOR_RESET, address, data[i],buff[i]);
result = 0;
}
}
if(result == 1)
DBG_8195A("Success 1\n");
result = 1;
DBG_8195A("Status Register Before Setting= %x\n", flash_get_status(&flash));
flash_set_status(&flash, 0x4);//Protect hte last block (for MX25L1606E, please refer to datasheets for different flash)
flash_erase_sector(&flash, address); //This erase should be ignored due to block protect
for(i = 0; i<length;i++){
data[i] = ~i;
}
flash_burst_write(&flash, address, length, &data[0]);
flash_stream_read(&flash, address, length, &buff[0]);
for(i = 0; i<length;i++){
if(data[i] != buff[i]){
DBG_8195A(ANSI_COLOR_YELLOW"Error Addr %x, Write Data is = %x, Read Data is %x\n"ANSI_COLOR_RESET, address, data[i],buff[i]);
result = 0;
}
}
if(result == 1)
DBG_8195A("Success 2\n");
result = 1;
DBG_8195A("Status Register Before Setting= %x\n", flash_get_status(&flash));
flash_set_status(&flash, flash_get_status(&flash) & (~0x4)); //Unlock the protected block
flash_erase_sector(&flash, address);//Now the erase operation should be valid
flash_burst_write(&flash, address, length, &data[0]);
flash_stream_read(&flash, address, length, &buff[0]);
for(i = 0; i<length;i++){
if(data[i] != buff[i]){
DBG_8195A(ANSI_COLOR_YELLOW"Error Addr %x, Write Data is = %x, Read Data is %x\n"ANSI_COLOR_RESET, address, data[i],buff[i]);
result = 0;
}
}
if(result == 1)
DBG_8195A("Success 3\n");
flash_reset_status(&flash);//make sure the status register is reset if users would like to reload code
DBG_8195A("Status Register After Reset= %x\n", flash_get_status(&flash));
DBG_8195A("Test Done\n");
for(;;);
}