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/*
* Copyright (c) 2022-2024, Xiaohua Semiconductor Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-12-30 CDT first version
*/
/*
* 程序清单：NAND 设备使用例程，例程导出了nand_sample命令到控制终端
* 命令调用格式：nand_sample
* 程序功能：对整个Nand存储空间进行擦除、写和读操作，比较数据是否一致
*
* 注意:
* F4A0: 修改函数SystemClock_Config，调用函数CLK_SetClockDiv参数，CLK_EXCLK_DIV2改为CLK_EXCLK_DIV4;
*
* menuconfig:
* Hardware Drivers Config ---> Onboard Peripheral Drivers ----> Enable EXMC ----> Using SDRAM or NAND ----> Using NAND
*/
#include <stdlib.h>
#include <rtthread.h>
#include <rtdevice.h>
#include <board.h>
#if defined(BSP_USING_EXMC) && defined(BSP_USING_NAND)
#include "nand_port.h"
#define NAND_DEVICE_NAME "nand"
static rt_err_t nand_read_id(struct rt_mtd_nand_device *mtd_nand)
{
if (mtd_nand == RT_NULL)
{
rt_kprintf("mtd_nand pointer = NULL!\n");
return -RT_ERROR;
}
return rt_mtd_nand_read_id(mtd_nand);
}
static rt_err_t nand_read(struct rt_mtd_nand_device *mtd_nand, int block, rt_off_t page, rt_uint8_t *data)
{
rt_err_t result;
if ((mtd_nand == RT_NULL) || (block >= mtd_nand->block_total) || (data == RT_NULL))
{
rt_kprintf("%s: parameters invallid!\n", __func__);
return -RT_ERROR;
}
/* calculate the page number */
page = block * mtd_nand->pages_per_block + page;
result = rt_mtd_nand_read(mtd_nand, page, data, mtd_nand->page_size, RT_NULL, mtd_nand->oob_size);
return result;
}
static rt_err_t nand_read_oob_free(struct rt_mtd_nand_device *mtd_nand, int block, rt_off_t page, rt_uint8_t *oob_free_data)
{
rt_err_t result;
if ((mtd_nand == RT_NULL) || (block >= mtd_nand->block_total) || (oob_free_data == RT_NULL))
{
rt_kprintf("%s: parameters invallid!\n", __func__);
return -RT_ERROR;
}
/* calculate the page number */
page = block * mtd_nand->pages_per_block + page;
result = rt_mtd_nand_read(mtd_nand, page, RT_NULL, 0UL, oob_free_data, mtd_nand->oob_free);
return result;
}
static rt_err_t nand_write(struct rt_mtd_nand_device *mtd_nand, int block, rt_off_t page,
rt_uint8_t *data, rt_uint8_t *oob_free_data)
{
rt_err_t result;
if ((mtd_nand == RT_NULL) || (block >= mtd_nand->block_total) || ((data == RT_NULL) && (oob_free_data == RT_NULL)))
{
rt_kprintf("%s: parameters invallid!\n", __func__);
return -RT_ERROR;
}
/* calculate the page number */
page = block * mtd_nand->pages_per_block + page;
result = rt_mtd_nand_write(mtd_nand, page, data, mtd_nand->page_size, oob_free_data, mtd_nand->oob_free);
if (result != RT_MTD_EOK)
{
rt_kprintf("write page failed!, rc=%d\n", result);
}
return result;
}
static rt_err_t nand_erase(struct rt_mtd_nand_device *mtd_nand, int block)
{
if ((mtd_nand == RT_NULL) || (block >= mtd_nand->block_total))
{
rt_kprintf("%s: parameters invallid!\n", __func__);
return -RT_ERROR;
}
return rt_mtd_nand_erase_block(mtd_nand, block);
}
static void nand_thread_entry(void *parameter)
{
rt_err_t result;
rt_uint32_t i;
rt_uint32_t block = 0UL;
rt_uint32_t page = 0UL;
rt_uint32_t err_count = 0UL;
rt_uint8_t *page_rbuf;
rt_uint8_t *page_wbuf;
rt_uint8_t *page_oob_free_wbuf;
rt_uint8_t *page_oob_free_rbuf;
struct rt_mtd_nand_device *mtd_nand;
mtd_nand = RT_MTD_NAND_DEVICE(rt_device_find(NAND_DEVICE_NAME));
if (mtd_nand == RT_NULL)
{
rt_kprintf("no nand device found!\n");
return;
}
/* read UID */
if (nand_read_id(mtd_nand) != RT_EOK)
{
rt_kprintf("fail nand_read_id!\n");
return;
}
/* memory buffer */
page_rbuf = rt_malloc(mtd_nand->page_size);
if (page_rbuf == RT_NULL)
{
rt_kprintf("out of memory!");
return;
}
page_wbuf = rt_malloc(mtd_nand->page_size);
if (page_wbuf == RT_NULL)
{
rt_free(page_rbuf);
rt_kprintf("out of memory!");
return;
}
page_oob_free_rbuf = rt_malloc(mtd_nand->oob_free);
if (page_oob_free_rbuf == RT_NULL)
{
rt_free(page_rbuf);
rt_free(page_wbuf);
rt_kprintf("out of memory!");
return;
}
page_oob_free_wbuf = rt_malloc(mtd_nand->oob_free);
if (page_oob_free_wbuf == RT_NULL)
{
rt_free(page_rbuf);
rt_free(page_wbuf);
rt_free(page_oob_free_rbuf);
rt_kprintf("out of memory!");
return;
}
while (1)
{
for (block = 0UL; block < mtd_nand->block_total; block++)
{
for (i = 0UL; i < mtd_nand->page_size; i++)
{
page_rbuf[i] = 0U;
page_wbuf[i] = (rt_uint8_t)rand();
}
for (i = 0UL; i < mtd_nand->oob_free; i++)
{
page_oob_free_rbuf[i] = 0;
page_oob_free_wbuf[i] = (rt_uint8_t)rand();
}
result = nand_erase(mtd_nand, block);
if (result == RT_EOK)
{
rt_kprintf("mtd_nand_erase block=0x%08X: ok !\r\n", block);
}
else
{
err_count++;
rt_kprintf("mtd_nand_erase block=0x%08X: error !\r\n", block);
}
for (page = 0UL; page < mtd_nand->pages_per_block; page++)
{
rt_thread_mdelay(500);
result = nand_write(mtd_nand, block, page, page_wbuf, page_oob_free_wbuf);
if (result == RT_EOK)
{
rt_kprintf("nand_write block=0x%08X page=%d(include oob free area): ok !\r\n", block, page);
}
else
{
err_count++;
rt_kprintf("nand_write block=0x%08X page=%d(include oob free area): error !\r\n", block, page);
break;
}
result = nand_read(mtd_nand, block, page, page_rbuf);
if (result == RT_EOK)
{
rt_kprintf("nand_read block=0x%08X page=%d: ok !\r\n", block, page);
}
else
{
err_count++;
rt_kprintf("nand_read block=0x%08X page=%d: error !\r\n", block, page);
break;
}
if (rt_memcmp(page_rbuf, page_wbuf, mtd_nand->page_size) == 0)
{
rt_kprintf("nand_write and nand_read block=0x%08X page=0x%d data consistency: ok !\r\n", block, page);
}
else
{
err_count++;
rt_kprintf("nand_write and nand_read block=0x%08X page=0x%d data consistency: error !\r\n", block, page);
break;
}
result = nand_read_oob_free(mtd_nand, block, page, page_oob_free_rbuf);
if (result == RT_EOK)
{
rt_kprintf("nand_read_oob_free block=0x%08X page=%d: ok !\r\n", block, page);
}
else
{
err_count++;
rt_kprintf("nand_read_oob_free block=0x%08X page=%d: error !\r\n", block, page);
break;
}
if (rt_memcmp(page_oob_free_rbuf, page_oob_free_wbuf, mtd_nand->oob_free) == 0)
{
rt_kprintf("nand_write and nand_read_oob_free block=0x%08X page=0x%d data consistency: ok !\r\n", block, page);
}
else
{
err_count++;
rt_kprintf("nand_write and nand_read_oob_free block=0x%08X page=0x%d data consistency: error !\r\n", block, page);
break;
}
rt_kprintf("mtd_nand block=0x%08X, page=%d test result: ok...... !\r\n", block, page);
}
}
rt_kprintf("mtd_nand test result: %s !\r\n", err_count ? "err" : "ok");
rt_thread_mdelay(500);
}
}
static void nand_sample(int argc, char *argv[])
{
rt_thread_t thread = rt_thread_create("nand", nand_thread_entry, RT_NULL, 2048, 15, 10);
if (thread != RT_NULL)
{
rt_thread_startup(thread);
}
}
MSH_CMD_EXPORT(nand_sample, nand sample);
#endif
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