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嵌入式实操----基于RT1170 移植memtester做SDRAM测试（二十五）
2022-08-05 08:36:00 【嵌入式实操】
本文主要是通过迁移的思维，记录本人初次使用NXP MCUXpresso SDK API进行BSP开发
1. 移植来源
reference:
https://blog.51cto.com/henjay724/2711883
https://github.com/JayHeng/cortex-m-apps
由于RT1170上面没有SDRAM的压力测试工具，所以通过移植memtester工程至SoC,用于SDRAM的测量。
2. 应用
复制memtester目前至工程
将相关文件添加入工程当中
将添加相关的头文件路径：
增加相关的测试代码如下：
diff --git a/SDK_2.8.0_MIMXRT1170-EAR3/boards/easyarm-rt1170-revb/driver_examples/gpio_bootloader/led_output/cm7/gpio_led_output.c b/SDK_2.8.0_MIMXRT1170-EAR3/boards/easyarm-rt1170-revb/driver_examples/gpio_bootloader/led_output/cm7/gpio_led_output.c
index 2a3c5cca..6be89002 100644
--- a/SDK_2.8.0_MIMXRT1170-EAR3/boards/easyarm-rt1170-revb/driver_examples/gpio_bootloader/led_output/cm7/gpio_led_output.c
+++ b/SDK_2.8.0_MIMXRT1170-EAR3/boards/easyarm-rt1170-revb/driver_examples/gpio_bootloader/led_output/cm7/gpio_led_output.c
@@ -12,7 +12,7 @@
#include "fsl_lpuart.h"
#include "fsl_flexspi.h"
#include "fsl_cache.h"
-
+#include "fsl_clock.h"
#include "evkmimxrt1170_flexspi_nor_config.h"
#include "pin_mux.h"
@@ -20,6 +20,7 @@
#include "bsp_sdram.h"
#include "bsp_sdram_test.h"
#include "app.h"
+#include "memtester.h"
/******************************************************************************* * Definitions ******************************************************************************/
@@ -42,7 +43,17 @@ extern void dump_build_info(void);
/******************************************************************************* * Variables ******************************************************************************/
+typedef struct _semc_test_config {
+ uint32_t baseAddr;
+ uint32_t testSize;
+ uint32_t loopNum;
+ uint32_t dramFreq;
+ uint32_t enableCache;
+} semc_test_config_t;
+
+int fail_stop = 1;
+char memsuffix = 'B';
/******************************************************************************* * Code ******************************************************************************/
@@ -478,6 +489,30 @@ int main(void)
SEMC_SDRAMReadWrite16Bit();
/* 8Bit data read and write. */
SEMC_SDRAMReadWrite8Bit();
+
+ semc_test_config_t testConfig;
+ testConfig.baseAddr = 0x80000000;
+ testConfig.testSize = 32 * 1024 * 1024;
+ testConfig.loopNum = 1;
+ testConfig.dramFreq = CLOCK_GetRootClockFreq(kCLOCK_Root_Semc);
+ testConfig.enableCache = 0;
+
+ if (!testConfig.enableCache) {
+ /* Disable D cache */
+ SCB_DisableDCache();
+ }
+
+ PRINTF("\r\n########## Print out from target board ##########\r\n");
+ PRINTF("\r\nSDRAM r/w test settings:\r\n");
+ PRINTF(" Base Addr: 0x%x;\r\n", testConfig.baseAddr);
+ PRINTF(" Test Size: %d Bytes;\r\n", testConfig.testSize);
+ PRINTF(" Test Loop: %d;\r\n", testConfig.loopNum);
+ PRINTF(" SDRAM Freq: %d Hz;\r\n",testConfig.dramFreq);
+ PRINTF(" Enable Cache: %d;\r\n\r\n", testConfig.enableCache);
+
+ /* Run memory stress test: 64KByte, loop=1, page_size = 1kbyte */
+ memtester_main(testConfig.baseAddr, testConfig.testSize, &memsuffix, testConfig.loopNum, (1*1024));
+
#endif // BSP_SDRAM_TEST
测试日记：
15:42:10:568--- RT1170 bootloader bootup
15:42:10:568---
15:42:10:569--- UTS_VERSION: 2022/05/30-15:41:50
15:42:10:569---
15:42:10:569--- RT1170FW_BOOT_COMPILE_TIME: 2022/05/30-15:41:50
15:42:10:569---
15:42:10:580--- RT1170FW_BOOT_COMPILE_BY: Administrator
15:42:10:580---
15:42:10:581--- RT1170FW_BOOT_COMPILER: Keil compiler
15:42:10:581---
15:42:10:591--- RT1170FW_BOOT_VERSION: e93c445c301351f048d71f5c349c45f0072c3e0a
15:42:10:591---
15:42:10:592--- RT1170FW_BOOT_HARDWARE_BOARD: rt1170 mcu
15:42:10:592---
15:42:10:592---FLEXSPI example started!
15:42:10:592---Vendor ID: 0x17
15:42:10:599---Erasing Serial NOR over FlexSPI...
15:42:10:650---Erase data - successfully.
15:42:10:650---Program data - successfully.
15:42:10:650---
15:42:10:659--- SEMC SDRAM Write 32 bit Start, Start Address 0x80000000, Data Length 8388607 !
15:42:10:720---
15:42:10:720--- SEMC SDRAM Read 32 bit Data Start, Start Address 0x80000000, Data Length 8388607 !
15:42:10:978---
15:42:10:978--- SEMC SDRAM Write 32 bit Start, Start Address 0x80000001, Data Length 8388607 !
15:42:11:043---
15:42:11:043--- SEMC SDRAM Read 32 bit Data Start, Start Address 0x80000001, Data Length 8388607 !
15:42:11:327---
15:42:11:328--- SEMC SDRAM Write 32 bit Start, Start Address 0x80000002, Data Length 8388607 !
15:42:11:439---
15:42:11:439--- SEMC SDRAM Read 32 bit Data Start, Start Address 0x80000002, Data Length 8388607 !
15:42:11:722---
15:42:11:723--- SEMC SDRAM Write 32 bit Start, Start Address 0x80000003, Data Length 8388607 !
15:42:11:787---
15:42:11:788--- SEMC SDRAM Read 32 bit Data Start, Start Address 0x80000003, Data Length 8388607 !
15:42:12:070---
15:42:12:071--- SEMC SDRAM 32 bit Data Write and Read Compare Succeed!
15:42:12:071---
15:42:12:079--- SEMC SDRAM Write 16 bit Start, Start Address 0x80000000, Data Length 16777215 !
15:42:12:188---
15:42:12:188--- SEMC SDRAM Read 16 bit Data Start, Start Address 0x80000000, Data Length 16777215 !
15:42:12:479---
15:42:12:479--- SEMC SDRAM Write 16 bit Start, Start Address 0x80000001, Data Length 16777215 !
15:42:12:590---
15:42:12:590--- SEMC SDRAM Read 16 bit Data Start, Start Address 0x80000001, Data Length 16777215 !
15:42:12:915---
15:42:12:915--- SEMC SDRAM 16 bit Data Write and Read Compare Succeed!
15:42:12:915---
15:42:12:924--- SEMC SDRAM Memory 8 bit Write Start, Start Address 0x80000000, Data Length 33554432 !
15:42:13:034---
15:42:13:034--- SEMC SDRAM Read 8 bit Data Start, Start Address 0x80000000, Data Length 33554432 !
15:42:13:410---
15:42:13:411--- SEMC SDRAM 8 bit Data Write and Read Compare Succeed!
15:42:13:411---
15:42:13:411---########## Print out from target board ##########
15:42:13:411---
15:42:13:424---SDRAM r/w test settings:
15:42:13:424--- Base Addr: 0x80000000;
15:42:13:425--- Test Size: 33554432 Bytes;
15:42:13:425--- Test Loop: 1;
15:42:13:434--- SDRAM Freq: 163862064 Hz;
15:42:13:435--- Enable Cache: 0;
15:42:13:435---
15:42:13:435---memtester version 4.5.0 (32-bit)
15:42:13:435---Copyright (C) 2001-2020 Charles Cazabon.
15:42:13:449---Licensed under the GNU General Public License version 2 (only).
15:42:13:449---
15:42:13:449---want 32MB (33554432 bytes)
15:42:13:449---Loop 1/1:
15:42:37:926--- Stuck Address: ok
15:42:40:359--- Random Value: ok
15:42:44:230--- Compare XOR: ok
15:42:48:102--- Compare SUB: ok
15:42:51:973--- Compare MUL: ok
15:42:55:863--- Compare DIV: ok
15:42:59:736--- Compare OR: ok
15:43:03:603--- Compare AND: ok
15:43:06:187--- Sequential Increment: ok
15:45:43:992--- Solid Bits: ok
15:53:53:557--- Block Sequential: ok
15:55:55:904--- Checkerboard: ok
15:58:33:710--- Bit Spread: ok
16:09:04:552--- Bit Flip: ok
16:11:06:895--- Walking Ones: ok
16:13:09:239--- Walking Zeroes: ok
16:13:15:126--- 8-bit Writes: ok
16:13:20:738--- 16-bit Writes: ok
3. 总结
有比较过memtester 4.5.1与参考移植版本memtester 4.5.0 相关文件之间的区别
- 主要是printf函数的移植。
- 主要是注掉跨平台代码的判断。
- 去除一些flush exit等函数。
- 找到对应的main入口函数，重写mian函数，并增加相关的参数memtester_main。
希望对各位读者帮助。
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