#include <stdint.h> #include <rthw.h> #include <rtthread.h> #define printf rt_kprintf void mem_test(uint32_t address, uint32_t size ) { uint32_t i; printf("memtest,address: 0x%08X size: 0x%08X\r\n", address, size); /**< 8bit test */ { uint8_t * p_uint8_t = (uint8_t *)address; for(i=0; i<size/sizeof(uint8_t); i++) { *p_uint8_t++ = (uint8_t)i; } p_uint8_t = (uint8_t *)address; for(i=0; i<size/sizeof(uint8_t); i++) { if( *p_uint8_t != (uint8_t)i ) { printf("8bit test fail @ 0x%08X\r\nsystem halt!!!!!",(uint32_t)p_uint8_t); while(1); } p_uint8_t++; } printf("8bit test pass!!\r\n"); } /**< 16bit test */ { uint16_t * p_uint16_t = (uint16_t *)address; for(i=0; i<size/sizeof(uint16_t); i++) { *p_uint16_t++ = (uint16_t)i; } p_uint16_t = (uint16_t *)address; for(i=0; i<size/sizeof(uint16_t); i++) { if( *p_uint16_t != (uint16_t)i ) { printf("16bit test fail @ 0x%08X\r\nsystem halt!!!!!",(uint32_t)p_uint16_t); while(1); } p_uint16_t++; } printf("16bit test pass!!\r\n"); } /**< 32bit test */ { uint32_t * p_uint32_t = (uint32_t *)address; for(i=0; i<size/sizeof(uint32_t); i++) { *p_uint32_t++ = (uint32_t)i; } p_uint32_t = (uint32_t *)address; for(i=0; i<size/sizeof(uint32_t); i++) { if( *p_uint32_t != (uint32_t)i ) { printf("32bit test fail @ 0x%08X\r\nsystem halt!!!!!",(uint32_t)p_uint32_t); while(1); } p_uint32_t++; } printf("32bit test pass!!\r\n"); } /**< 32bit Loopback test */ { uint32_t * p_uint32_t = (uint32_t *)address; for(i=0; i<size/sizeof(uint32_t); i++) { *p_uint32_t = (uint32_t)p_uint32_t; *p_uint32_t++; } p_uint32_t = (uint32_t *)address; for(i=0; i<size/sizeof(uint32_t); i++) { if( *p_uint32_t != (uint32_t)p_uint32_t ) { printf("32bit Loopback test fail @ 0x%08X", (uint32_t)p_uint32_t); printf(" data:0x%08X \r\n", (uint32_t)*p_uint32_t); printf("system halt!!!!!",(uint32_t)p_uint32_t); while(1); } p_uint32_t++; } printf("32bit Loopback test pass!!\r\n"); } } #ifdef RT_USING_FINSH #include <finsh.h> FINSH_FUNCTION_EXPORT(mem_test, mem_test(0xA0000000, 0x00100000) ); #endif