forked from xuos/xiuos
107 lines
2.9 KiB
C
Executable File
107 lines
2.9 KiB
C
Executable File
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file: test_extsram.c
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* @brief: a extsram test application
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* @version: 2.0
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* @author: AIIT XUOS Lab
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* @date: 2022/9/26
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*
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*/
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#include <transform.h>
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/* parameters for sram peripheral */
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// /* stm32f4 Bank3:0X68000000 */
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// #define SRAM_BANK_ADDR ((uint32_t)0X68000000)
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/* OK-1052 semc:0X80000000 */
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#define SRAM_BANK_ADDR ((uint32_t)0X80000000)
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/* data width: 8, 16, 32 */
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#define SRAM_DATA_WIDTH 16
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/* sram size */
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#define SRAM_SIZE ((uint32_t)0x2000000)
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#define TICK_PER_SECOND 100
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int ExtsramTest(void)
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{
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int i = 0;
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uint32_t start_time = 0, time_cast = 0;
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#if SRAM_DATA_WIDTH == 8
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char data_width = 1;
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uint8_t data = 0;
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#elif SRAM_DATA_WIDTH == 16
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char data_width = 2;
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uint16_t data = 0;
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#else
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char data_width = 4;
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uint32_t data = 0;
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#endif
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/* write data */
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printf("Writing the %ld bytes data, waiting....", SRAM_SIZE);
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start_time = PrivGetTickTime();
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for (i = 0; i < SRAM_SIZE / data_width; i++)
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{
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#if SRAM_DATA_WIDTH == 8
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*(volatile uint8_t *)(SRAM_BANK_ADDR + i * data_width) = (uint8_t)0x55;
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#elif SRAM_DATA_WIDTH == 16
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*(volatile uint16_t *)(SRAM_BANK_ADDR + i * data_width) = (uint16_t)0x5555;
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#else
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*(volatile uint32_t *)(SRAM_BANK_ADDR + i * data_width) = (uint32_t)0x55555555;
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#endif
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}
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time_cast = PrivGetTickTime() - start_time;
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printf("Write data success, total time: %ld.%03ldS.\n", time_cast / TICK_PER_SECOND,
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time_cast % TICK_PER_SECOND / ((TICK_PER_SECOND * 1 + 999) / 1000));
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/* read data */
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printf("start Reading and verifying data, waiting....\n");
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for (i = 0; i < SRAM_SIZE / data_width; i++)
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{
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#if SRAM_DATA_WIDTH == 8
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data = *(volatile uint8_t *)(SRAM_BANK_ADDR + i * data_width);
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if (data != 0x55)
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{
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printf("SRAM test failed!");
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break;
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}
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#elif SRAM_DATA_WIDTH == 16
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data = *(volatile uint16_t *)(SRAM_BANK_ADDR + i * data_width);
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if (data != 0x5555)
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{
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printf("SRAM test failed! data = 0x%x\n",data);
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break;
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}
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#else
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data = *(volatile uint32_t *)(SRAM_BANK_ADDR + i * data_width);
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if (data != 0x55555555)
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{
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printf("SRAM test failed!");
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break;
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}
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#endif
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}
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if (i >= SRAM_SIZE / data_width)
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{
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printf("SRAM test success!\n");
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}
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return 0;
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}
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PRIV_SHELL_CMD_FUNCTION(ExtsramTest, a extsram test sample, PRIV_SHELL_CMD_MAIN_ATTR);
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