rt-thread/bsp/efm32/application.c

/***************************************************************************//**
 * @file 	application.c
 * @brief 	application tasks
 * 	COPYRIGHT (C) 2011, RT-Thread Development Team
 * @author 	Bernard, onelife
 * @version 0.4 beta
 *******************************************************************************
 * @section License
 * The license and distribution terms for this file may be found in the file 
 * LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
 *******************************************************************************
 * @section Change Logs
 * Date			Author		Notes
 * 2009-01-05 	Bernard 	first version
 * 2010-12-29	onelife		Modify for EFM32
 * 2011-05-06	onelife		Add SPI Flash DEMO
 ******************************************************************************/
 
/***************************************************************************//**
 * @addtogroup efm32
 * @{
 ******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include <board.h>

#if defined(RT_USING_DFS)
/* dfs init */
#include <dfs_init.h>
/* dfs filesystem:ELM filesystem init */
#include <dfs_elm.h>
/* dfs Filesystem APIs */
#include <dfs_fs.h>
#endif

#include "dev_led.h"
#if defined(EFM32_USING_SFLASH)
#include "dev_sflash.h"
#endif
#if defined(EFM32_USING_SPISD)
#include "drv_sdcard.h"
#endif
#if defined(EFM32_USING_ETHERNET)
#include "drv_ethernet.h"
#endif

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
rt_uint32_t	rt_system_status = 0;

/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
void rt_demo_thread_entry(void* parameter)
{
#if defined(RT_USING_DFS)
	/* Filesystem Initialization */
	dfs_init();

 #if defined(RT_USING_DFS_ELMFAT)
	/* init the elm chan FatFs filesystam*/
	elm_init();

  #if defined(EFM32_USING_SPISD)
	/* mount sd card fat partition 1 as root directory */
	if (dfs_mount(SPISD_DEVICE_NAME, "/", "elm", 0, 0) == 0)
	{
		rt_kprintf("FatFs init OK\n");
	}
	else
	{
		rt_kprintf("FatFs init failed!\n");
	}
  #endif
 #endif
#endif

#ifdef EFM32_USING_SFLASH
{
	rt_uint8_t i;
	rt_uint8_t test[] = "123456789ABCDEF";
	rt_uint8_t buf[30], buf2[30];

	efm_spiFlash_cmd(sflash_inst_rdid_l, EFM32_NO_DATA, buf, sizeof(buf));
	rt_kprintf("Manuf ID: %x\n", buf[0]);
	rt_kprintf("Memory type: %x\n", buf[1]);
	rt_kprintf("Memory capacity: %x\n", buf[2]);
	rt_kprintf("CFD length: %x\n", buf[3]);
	rt_kprintf("CFD: %x%x%x...%x%x\n", buf[4], buf[5], buf[6], buf[18], buf[19]);

	efm_spiFlash_cmd(sflash_inst_wren, EFM32_NO_DATA, EFM32_NO_POINTER, EFM32_NO_DATA);
	do
	{
		efm_spiFlash_cmd(sflash_inst_rdsr, EFM32_NO_DATA, buf2, sizeof(buf2));
		rt_kprintf("Status: %x\n", buf2[0]);
	} while (buf2[0] == 0xFF);
	rt_kprintf("Status: %x\n", buf2[0]);

	//efm_spiFash_cmd(sflash_inst_pp, 0x000003F8, test, sizeof(test) - 1);

	efm_spiFlash_cmd(sflash_inst_rdsr, EFM32_NO_DATA, buf2, sizeof(buf2));
	rt_kprintf("Status: %x\n", buf2[0]);
	
	efm_spiFlash_cmd(sflash_inst_read, 0x00000300, buf, sizeof(buf));
	rt_kprintf("READ: \n");
	for (i = 0; i < sizeof(buf); i++)
	{
		rt_kprintf("%c\n", buf[i]);
	}

	//efm_spiFlash_deinit();
}
#endif

#if defined(EFM32_USING_ETHERNET)
	rt_device_t eth = RT_NULL;

	eth = rt_device_find(ETH_DEVICE_NAME);
	if (eth != RT_NULL)
	{
		eth->init(eth);
	}
	else
	{
		rt_kprintf("%s is not found\n"), ETH_DEVICE_NAME;
	}
#endif
	rt_kprintf("Demo End\n");
}

void rt_led_thread_entry(void* parameter)
{
	rt_uint8_t n = 0;

	rt_hw_led_on(0);
	rt_hw_led_on(1);
	rt_hw_led_on(2);
	rt_hw_led_on(3);

	while(1)
	{
		/* Toggle a led per second */
		rt_hw_led_toggle(n++);
		if (n == LEDS_MAX_NUMBER)
		{
			n =0;
		}
		rt_thread_delay(100);
	}
}

int rt_application_init()
{
	rt_thread_t demo_thread, led_thread;

#if defined(EFM32_USING_SFLASH)
	if (efm_spiFlash_init() != RT_EOK)
	{
		rt_kprintf("*** Init SPI Flash driver failed!");
		while(1); //Or do something?
	}
#endif

#if defined(EFM32_USING_SPISD)
	if (efm_spiSd_init() != RT_EOK)
	{
		rt_kprintf("*** Init SD card driver failed!");
		while(1); //Or do something?
	}
#endif

	/* Initialize all device drivers (dev_?.c) */
	if (rt_hw_led_init() != RT_EOK)
	{
		rt_kprintf("*** Init LED driver failed!");
		while(1); //Or do something?
	}
#if defined(RT_USING_ADC0)
	if (rt_hw_misc_init() != RT_EOK)
	{
		rt_kprintf("*** Init miscellaneous driver failed!");
		while(1); //Or do something?
	}
#endif

#if defined(RT_USING_LWIP)
	{
		extern void lwip_sys_init(void);
		extern void httpd_init(void);

		/* Create Ethernet Threads */
		if (eth_system_device_init() != RT_EOK)
		{
			rt_kprintf("*** Create Ethernet threads failed!");
			while(1); //Or do something?
		}
 #if defined(EFM32_USING_ETHERNET)
		if (efm_hw_eth_init() != RT_EOK)
		{
			rt_kprintf("*** Init Ethernet driver failed!");
			while(1); //Or do something?
		}
 #endif
		/* init lwip system */
		lwip_sys_init();
		httpd_init();
		rt_kprintf("TCP/IP stack init OK!\n");
	}
#endif

#if (RT_THREAD_PRIORITY_MAX == 32)
	demo_thread = rt_thread_create(
		"demo",
		rt_demo_thread_entry, 
		RT_NULL,
		512, 
		3, 
		20);

	led_thread = rt_thread_create(
		"led",
		rt_led_thread_entry, 
		RT_NULL,
		256,
		3, 
		20);
#else
#endif

	if(demo_thread != RT_NULL)
	{
		rt_kprintf("demo sp:%x\n", demo_thread->sp);
		rt_thread_startup(demo_thread);
	}

	if(led_thread != RT_NULL)
	{
		rt_thread_startup(led_thread);
	}

	return 0;
}

/***************************************************************************//**
 * @}
 ******************************************************************************/