【KL27 mini Board 开发】+ SPI_FLASH测试

超級稻草人 · 发表于 2016-4-2 19:57:33

本帖最后由超級稻草人于 2016-4-19 21:17 编辑

【KL27 mini Board 开发】+ SPI_FLASH测试

开发工具
      - KL27mini
      - Keil 5.15
      - ST_Link

实现功能：
      KL27 mini  开发板上SPI_FLASH测试，通过UART传输SPI_FLASH测试信息。

SPI_FLASH测试程式

SPI_FLASH测试结果

补发代码：

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

#include "gpio.h"
#include "common.h"
#include "lpuart.h"
#include "spi.h"
#include "w25qxx.h"

static uint32_t xfer(uint8_t *buf_in, uint8_t *buf_out, uint32_t len, uint8_t cs_state)
{
uint8_t dummy_in;

if(!buf_in)
      buf_in = &dummy_in;
GPIO_WriteBit(HW_GPIOC, 4, 0);
while(len--)
{
      *buf_in = SPI_ReadWriteByte(HW_SPI0, *buf_out);
      if(buf_out)
         buf_out++;
      if(buf_in != &dummy_in)
         buf_in++;
}
GPIO_WriteBit(HW_GPIOC, 4, cs_state);
return len;
}

static uint32_t _get_reamin(void)
{
return 0;
}

int cmd_spi(int argc, char * const argv[])
{
struct w25qxx_init_t init;

init.delayms = DelayMs;
init.get_reamin = _get_reamin;
init.xfer = xfer;

SPI_QuickInit(SPI0_SCK_PC05_MOSI_PC06_MISO_PC07, kSPI_CPOL1_CPHA1, 5*1000*1000);
GPIO_QuickInit(HW_GPIOC, 4, kGPIO_Mode_OPP);
GPIO_WriteBit(HW_GPIOC, 4, 1);

uint32_t i, block, buf_size,j;
static uint8_t buf[2*1024];
struct w25qxx_attr_t w25qxx;

w25qxx_init(&init);
w25qxx_get_attr(&w25qxx);
buf_size = sizeof(buf);
block = w25qxx.size/buf_size;

printf("%s found!\r\n", w25qxx.name);
printf("test unit count:%d\r\n", block);

/* erase chip */
printf("erase all chips...\r\n");
w25qxx_erase_chip();
printf("erase complete\r\n");

for(i=0; i<block; i++)
{
      printf("verify addr:0x%X(%d)...\r\n", i*buf_size, i);
      for(j=0;j<sizeof(buf);j++)
      {
         buf[j] = j % 0xFF;
      }
      w25qxx_write(i*block, buf, buf_size);
      memset(buf, buf_size, 0);
      w25qxx_read(i*block, buf, buf_size);

      /* varify */
      for(j=0;j<sizeof(buf);j++)
      {
         if(buf[j] != (j%0xFF))
         {
            printf("%d error\r\n", j);
         }
      }
}
return 0;
}

int main(void)
{

DelayInit();
GPIO_QuickInit(HW_GPIOC, 3, kGPIO_Mode_OPP);
LPUART_QuickInit(LPUART0_RX_D06_TX_D07, 115200);
printf("SPI_FLASH demo\r\n");
cmd_spi(0, NULL);

while(1)
{
      GPIO_ToggleBit(HW_GPIOC, 3);
      DelayMs(500);
}
}

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