tests: platform: added nonvolatile memory dump tool
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Silvano Seva
parent
0d249994cf
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acfffb13a9
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/***************************************************************************
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* Copyright (C) 2025 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <nvmem_access.h>
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#include <interfaces/nvmem.h>
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#include <interfaces/delays.h>
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#define LINE_LENGTH 16
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#define CHUNK_SIZE (LINE_LENGTH * 2)
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static void printChunk(size_t offset, void *chunk, size_t len)
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{
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uint8_t *ptr = ((uint8_t *) chunk);
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for(size_t j = 0; j < len / LINE_LENGTH; j++) {
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printf("%08x: ", offset + (j * LINE_LENGTH));
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for(size_t i = 0; i < LINE_LENGTH; i++)
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printf("%02x ", ptr[(j * LINE_LENGTH) + i]);
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for(size_t i = 0; i < LINE_LENGTH; i++) {
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char elem = (char) ptr[(j * LINE_LENGTH) + i];
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if((elem > 0x20) && (elem < 0x7f))
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putchar(elem);
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else
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putchar('.');
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}
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puts("\r");
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}
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}
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static void waitForPtt()
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{
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// Wait until PTT is pressed
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while(platform_getPttStatus() == false) {
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platform_ledOn(GREEN);
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sleepFor(0, 500);
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platform_ledOff(GREEN);
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sleepFor(0, 500);
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}
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// Resume execution on PTT release
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platform_ledOn(RED);
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while(platform_getPttStatus() == true) ;
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platform_ledOff(RED);
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}
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static bool pttLongPress()
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{
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static uint32_t timeout;
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bool ptt = platform_getPttStatus();
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if(ptt == false)
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timeout = 250;
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else
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timeout -= 1;
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return (timeout == 0);
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}
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int main()
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{
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platform_init();
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nvm_init();
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// Wait for user to be ready
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waitForPtt();
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size_t idx = 0;
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const struct nvmDescriptor *nvm = nvm_getDesc(0);
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if(nvm == NULL) {
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puts("No NVM areas available, end!\r\n");
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while(1) {
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platform_ledOn(RED);
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sleepFor(0, 500);
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platform_ledOff(RED);
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sleepFor(0, 500);
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}
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}
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while(nvm != NULL) {
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printf("NVM device %d:\r\n", idx);
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printf("\t - Name: %s\r\n", nvm->name);
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printf("\t - Size: %d\r\n", nvm->dev->size);
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printf("\t - Flags: %04lx\r\n", nvm->dev->info->device_info);
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puts("\r");
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idx += 1;
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nvm = nvm_getDesc(idx);
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}
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for(size_t i = 0; i < idx; i++) {
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nvm = nvm_getDesc(i);
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printf("\r\nNVM device %d: press PTT to dump\r\n", i);
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waitForPtt();
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for(size_t addr = 0; addr < nvm->dev->size; addr += CHUNK_SIZE) {
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uint8_t chunk[CHUNK_SIZE];
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nvm_devRead(nvm->dev, addr, chunk, sizeof(chunk));
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printChunk(addr, chunk, sizeof(chunk));
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// Exit in case of PTT press
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if(pttLongPress() == true)
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break;
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}
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}
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// Loop endlessly
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while(1) {
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platform_ledOn(RED);
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sleepFor(0, 500);
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platform_ledOff(RED);
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sleepFor(0, 500);
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}
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return 0;
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}
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@ -1,193 +0,0 @@
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/***************************************************************************
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* Copyright (C) 2020 - 2025 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <nvmem_access.h>
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#include <interfaces/nvmem.h>
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#include <interfaces/delays.h>
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#define FLASH_TEST_ADDR 0x10000
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#define EEPROM_TEST_ADDR 0x00000
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static void printChunk(void *chunk, size_t len)
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{
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printf("\n\r");
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uint8_t *ptr = ((uint8_t *) chunk);
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for(size_t j = 0; j < len / 16; j++)
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{
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for(size_t i = 0; i < 16; i++)
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printf("%02x ", ptr[j * 16 + i]);
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for(size_t i = 0; i < 16; i++)
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{
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if((ptr[i] > 0x22) && (ptr[i] < 0x7f)) printf("%c", ptr[j * 16 + i]);
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else printf(".");
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}
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printf("\n\r");
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}
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}
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static int flashTest(const struct nvmArea *nvm, const size_t address)
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{
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const struct nvmParams *params = nvmArea_params(nvm);
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char *buffer1 = (char *) malloc(params->erase_size);
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char *buffer2 = (char *) malloc(params->erase_size);
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// Read one block
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int ret = nvmArea_read(nvm, address, buffer1, params->erase_size);
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printf("Flash area read returned value %d\r\n", ret);
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if(ret < 0)
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return ret;
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printChunk(buffer1, params->erase_size);
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// Erase one block
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ret = nvmArea_erase(nvm, address, params->erase_size);
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printf("Flash erase returned value %d\r\n", ret);
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if(ret < 0)
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return ret;
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// Read back to confirm Erase
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ret = nvmArea_read(nvm, address, buffer2, params->erase_size);
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if(ret < 0)
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return ret;
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for(size_t i = 0; i < params->erase_size; i++)
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{
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if (buffer2[i] != 0xff)
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{
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printf("Flash test fail! Offset %d was not erased!\r\n", i);
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printChunk(buffer2, params->erase_size);
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return -1;
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}
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}
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// Write one block
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ret = nvmArea_write(nvm, address, buffer1, params->erase_size);
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printf("Flash area write returned value %d\r\n", ret);
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if(ret < 0)
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return ret;
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// Read back to confirm Write
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ret = nvmArea_read(nvm, address, buffer2, params->erase_size);
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printf("Flash area readback returned value %d\r\n", ret);
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if(ret < 0)
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return ret;
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if(memcmp(buffer1, buffer2, params->erase_size))
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{
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puts("Error in flash device write, content to write and written differ!\r\n");
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printChunk(buffer2, params->erase_size);
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return -1;
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}
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puts("Flash test passed\r\n");
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return 0;
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}
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static int eepromTest(const struct nvmArea *nvm, const size_t address)
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{
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uint8_t chunk[128];
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int ret = nvmArea_read(nvm, address, chunk, sizeof(chunk));
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printf("EEPROM read operation returned %d\r\n", ret);
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if(ret < 0)
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return ret;
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printChunk(chunk, sizeof(chunk));
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for(size_t i = 0; i < sizeof(chunk); i += 2)
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{
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chunk[i] = 0x55;
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chunk[i + 1] = 0xAA;
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}
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ret = nvmArea_write(nvm, address, chunk, sizeof(chunk));
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printf("EEPROM write operation returned %d\r\n", ret);
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if(ret < 0)
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return ret;
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memset(chunk, 0x00, sizeof(chunk));
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ret = nvmArea_read(nvm, address, chunk, sizeof(chunk));
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printf("EEPROM readback operation returned %d\r\n", ret);
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if(ret < 0)
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return ret;
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for(size_t i = 0; i < sizeof(chunk); i += 2)
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{
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if((chunk[i] != 0x55) || (chunk[i + 1] != 0xAA))
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{
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printf("Check error around index %d: memory[i] = %02x, memory[i + 1] = %02x\r\n",
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i, chunk[i], chunk[i + 1]);
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return -1;
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}
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}
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puts("EEPROM test passed\r\n");
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return 0;
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}
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int main()
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{
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platform_init();
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delayMs(2000);
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// This is generally called in platform_init()
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nvm_init();
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const struct nvmArea *nvm;
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size_t num = nvm_getMemoryAreas(&nvm);
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if(num == 0)
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{
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puts("Error: no NVM areas available\r\n");
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while(1) ;
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}
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for(size_t i = 0; i < num; i++)
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{
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const struct nvmParams *params = nvmArea_params(&nvm[i]);
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if(params->type == NVM_FLASH)
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{
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printf("Found flash area at index %d, performing test...\r\n", i);
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flashTest(&nvm[i], FLASH_TEST_ADDR);
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}
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if(params->type == NVM_EEPROM)
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{
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printf("Found EEPROM area at index %d, performing test...\r\n", i);
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eepromTest(&nvm[i], EEPROM_TEST_ADDR);
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}
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}
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// Loop endlessly
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while(1) ;
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return 0;
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}
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