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pvvx 2016-09-23 07:21:45 +03:00
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project/realtek_ameba1_va0_example/example_sources/efuse_mtp/readme.txt Normal file
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Example Description
This example describes how to read/write efuse in MTP.
MTP block has 32 bytes.
Requirement Components:
None

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project/realtek_ameba1_va0_example/example_sources/efuse_mtp/src/main.c Normal file
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#include "FreeRTOS.h"
#include "task.h"
#include "diag.h"
#include "hal_efuse.h"
#include "efuse_api.h"
#include "osdep_service.h"
#include "device_lock.h"
#define MTP_MAX_LEN 32 // The MTP max length is 32 bytes
static void efuse_mtp_task(void *param)
{
int ret;
u8 i, buf[MTP_MAX_LEN];
DBG_8195A("\nefuse MTP block: Test Start\n");
// read MTP content
_memset(buf, 0xFF, MTP_MAX_LEN);
device_mutex_lock(RT_DEV_LOCK_EFUSE);
efuse_mtp_read(buf);
device_mutex_unlock(RT_DEV_LOCK_EFUSE);
for(i=0; i<MTP_MAX_LEN; i+=8){
DBG_8195A("[%d]\t%02X %02X %02X %02X %02X %02X %02X %02X\n",
i, buf[i], buf[i+1], buf[i+2], buf[i+3], buf[i+4], buf[i+5], buf[i+6], buf[i+7]);
}
// write MTP content
_memset(buf, 0xFF, MTP_MAX_LEN);
if(0){ // fill your data
for(i=0; i<MTP_MAX_LEN; i++)
buf[i] = i;
}
if(0){ // write
device_mutex_lock(RT_DEV_LOCK_EFUSE);
ret = efuse_mtp_write(buf, MTP_MAX_LEN);
device_mutex_unlock(RT_DEV_LOCK_EFUSE);
if(ret < 0){
DBG_8195A("efuse MTP block: write length error\n");
goto exit;
}
DBG_8195A("\nWrite Done\n");
DBG_8195A("Remain %d\n", efuse_get_remaining_length());
}
DBG_8195A("\n");
// read MTP content
_memset(buf, 0xFF, MTP_MAX_LEN);
device_mutex_lock(RT_DEV_LOCK_EFUSE);
efuse_mtp_read(buf);
device_mutex_unlock(RT_DEV_LOCK_EFUSE);
for(i=0; i<MTP_MAX_LEN; i+=8){
DBG_8195A("[%d]\t%02X %02X %02X %02X %02X %02X %02X %02X\n",
i, buf[i], buf[i+1], buf[i+2], buf[i+3], buf[i+4], buf[i+5], buf[i+6], buf[i+7]);
}
DBG_8195A("efuse MTP block: Test Done\n");
vTaskDelete(NULL);
exit:
DBG_8195A("efuse MTP block: Test Fail!\n");
vTaskDelete(NULL);
}
void main(void)
{
if(xTaskCreate(efuse_mtp_task, ((const char*)"efuse_mtp_task"), 512, NULL, tskIDLE_PRIORITY + 1, NULL) != pdPASS)
printf("\n\r%s xTaskCreate(efuse_mtp_task) failed", __FUNCTION__);
/*Enable Schedule, Start Kernel*/
if(rtw_get_scheduler_state() == OS_SCHEDULER_NOT_STARTED)
vTaskStartScheduler();
else
vTaskDelete(NULL);
}