#include <stdint.h>
#include <string.h>
#include <stdio.h>

#include "printf.h"

#include "user_tasks.h"

// SDRAM BANK 2, default mapping
#define SDRAM_START 0xD0000000
#define SDRAM_END   0xD4000000

osThreadId_t g_sdram_task_handle;
osThreadAttr_t g_sdram_task_attributes = {
    .name = "SDRAMT",
    .stack_size = 256 * 4,
    .priority = (osPriority_t) osPriorityNormal,
};

void sdram_task(void * argument) {
    printf("SDRAM test started...\r\n");
    
    for(uint32_t i = SDRAM_START; i < SDRAM_END; i += 4) {
        *(uint32_t *)i = i;
        if(i % 0x10000 == 0) {
            printf("Write: 0x%08lx\r\n", i);
        }
    }
    for(uint32_t i = SDRAM_START; i < SDRAM_END; i += 4) {
        if(*(uint32_t *)i != i) {
            printf("Verify err: 0x%08lx\r\n", i);
            break;
        }
        if(i % 0x10000 == 0) {
            printf("Verify: 0x%08lx\r\n", i);
        }
    }
    printf("SDRAM test completed.\r\n");

    osThreadExit();
}