static int DO_SPI_FLASH(int argc, char * const argv[])
{
uint32_t i;
int x,y;
#define SPI_FLASH_TEST_LEN (1024*512)
volatile uint8_t* buf_test = SRAM_START_ADDRESS;
uint32_t ret;
static struct spi_bus bus;
ret = kinetis_spi_bus_init(&bus, HW_SPI2);
ret = ads7843_init(&bus, 0);
ret = w25qxx_init(&bus, 1);
for(i=0;i<100;i++)
{
ads7843_readX(&x);
ads7843_readY(&y);
printf("X:%04d Y:%04d\r", x, y);
DelayMs(10);
}
/* probe w25qxx */
if(w25qxx_probe())
{
printf("no w25qxx deived found\r\n");
return 1;
}
printf("%s detected!\r\n", w25qxx_get_name());
/*
for(i=0;i<SPI_FLASH_TEST_LEN;i++)
{
buf_test[i] = i;
}
if(w25qxx_write(0, (uint8_t*)buf_test, SPI_FLASH_TEST_LEN))
{
printf("w25qxx write failed\r\n");
return 1;
}
memset((uint8_t*)buf_test,0, SPI_FLASH_TEST_LEN);
if(w25qxx_read(0, (uint8_t*)buf_test, SPI_FLASH_TEST_LEN))
{
printf("w25qxx read failed\r\n");
return 1;
}
for(i=0;i<SPI_FLASH_TEST_LEN;i++)
{
if(buf_test[i] != i%256)
{
printf("error:[0x%X]:%d\r\n", i, buf_test[i]);
}
}
*/
printf("spi flash test finish!\r\n");
return 0;
}
//芯片初始化
int w25qxx_init(struct w25qxx_init_t* init)
{
memcpy(&w25_dev.ops, init, sizeof(struct w25qxx_init_t));
return w25qxx_probe();
}
