boolean SEC_GetInput(SEC_Input_t signal)
{
boolean value=FALSE;
if (input_port) {
switch (signal) {
#ifdef BSP_BUTTON1
case SEC_DOOR_INPUT:
#ifdef SECEMAIL_TWRMCF51CN_STOP_ENABLED
lwgpio_set_functionality(&button1, BSP_BUTTON1_MUX_GPIO); /*Switch function as GPIO polling*/
lwgpio_set_attribute(&button1, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
value = !lwgpio_get_value(&button1);
break;
#endif
#ifdef BSP_BUTTON2
case SEC_WINDOW_INPUT:
#ifdef SECEMAIL_TWRMCF51CN_STOP_ENABLED
lwgpio_set_functionality(&button2, BSP_BUTTON2_MUX_GPIO);/*Switch function as GPIO polling*/
lwgpio_set_attribute(&button2, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
value = !lwgpio_get_value(&button2);
break;
#endif
}
}
return value;
}
/******************************************************************************
* @name GPIO_Init
*
* @brief This function init GPIO
*
* @return None
*
* @comment
*
*******************************************************************************/
void switch_init(void)
{
#ifdef BSP_BUTTON1
/* opening pins/signals for input */
if (!lwgpio_init(&btn1, BSP_BUTTON1, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE))
{
puts("\nSW initialization failed.\n");
_task_block();
}
lwgpio_set_functionality(&btn1, BSP_BUTTON1_MUX_GPIO);
lwgpio_set_attribute(&btn1, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
#ifdef BSP_BUTTON2
/* opening pins/signals for input */
if (!lwgpio_init(&btn2, BSP_BUTTON2, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE))
{
puts("\nSW initialization failed.\n");
_task_block();
}
lwgpio_set_functionality(&btn2, BSP_BUTTON2_MUX_GPIO);
lwgpio_set_attribute(&btn2, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
}
/****************************************************************
*
* Function Name : init_interrupt_btn
* Comments :
* Open the pin BSP_BTN1 for input, initialize interrupt and set
* interrupt handler.
*
*****************************************************************/
void init_interrupt_btn(void * button)
{
LWGPIO_STRUCT_PTR btn_ptr = (LWGPIO_STRUCT_PTR) button;
/* opening pins for input */
if (!lwgpio_init(btn_ptr, BSP_BUTTON1, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE))
{
printf("Initializing button GPIO as input failed.\n");
_task_block();
}
#ifdef BSP_BUTTON1_MUX_IRQ
lwgpio_set_functionality(btn_ptr, BSP_BUTTON1_MUX_IRQ);
#if defined(BSP_BUTTONS_ACTIVE_HIGH)
lwgpio_set_attribute(btn_ptr, LWGPIO_ATTR_PULL_DOWN, LWGPIO_AVAL_ENABLE);
#else
lwgpio_set_attribute(btn_ptr, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
/* enable gpio functionality for given pin, react on falling edge */
if (! lwgpio_int_init(btn_ptr, LWGPIO_INT_MODE_FALLING))
{
printf("Initializing button GPIO for interrupt failed.\n");
_task_block();
}
/* Install the interrupt directly to the vector table in the processor. */
if(! _int_install_kernel_isr(lwgpio_int_get_vector(btn_ptr), btn_kernel_isr))
{
printf("Install interrupt handler to hardware vector table failed.\n");
_task_block();
}
/* set the interrupt level, and unmask the interrupt in interrupt controller */
if(MQX_OK != _bsp_int_init(lwgpio_int_get_vector(btn_ptr), 3, 0, TRUE))
{
printf("Initialize interrupt failed.\n");
_task_block();
}
/* enable interrupt on GPIO peripheral module */
lwgpio_int_enable(btn_ptr, TRUE);
#else
printf("This platform does not support pin mux interrupt function\n");
_task_block();
#endif /* BSP_BUTTON1_MUX_IRQ */
}
void button_task
(
uint32_t initial_data
)
{
LWGPIO_STRUCT button;
LWGPIO_VALUE button_state = LWGPIO_VALUE_HIGH;
uint32_t button_integrator = BUTTON_INTEGRATOR_MAXIMUM;
/* set the pin to input */
if (!lwgpio_init(&button, BSP_BUTTON2, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE)) {
/* Button initialization failed. */
_task_block();
}
/* Set multiplexer to GPIO functionality */
lwgpio_set_functionality(&button, BSP_SW2_MUX_GPIO);
/* Enable pull up */
lwgpio_set_attribute(&button, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
while(1)
{
/* Update the integrator based on the input signal. */
if (LWGPIO_VALUE_LOW == lwgpio_get_value(&button)) {
if (button_integrator > 0) {
button_integrator--;
}
}
else if (button_integrator < BUTTON_INTEGRATOR_MAXIMUM) {
button_integrator++;
}
/* Defensive code if integrator got corrupted */
if (button_integrator > BUTTON_INTEGRATOR_MAXIMUM)
button_integrator = BUTTON_INTEGRATOR_MAXIMUM;
/* Post event if integrator reaches limit */
if ((button_integrator == 0) ) {
if (button_state == LWGPIO_VALUE_LOW) {
button_state = LWGPIO_VALUE_HIGH;
_lwevent_set(&app_event, SW_EVENT_MASK);
}
}
else {
button_state = LWGPIO_VALUE_LOW;
}
_time_delay(BUTTON_SAMPLE_PERIOD_MS);
}
}
static void button_led_init
(
void
)
{
static LWGPIO_STRUCT sw;
/* Set the pin to input */
if (!lwgpio_init(&sw, BSP_SW2, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE))
{
printf("\nSW initialization failed.\n");
_task_block();
}
/* Set functionality to GPIO mode */
lwgpio_set_functionality(&sw, BSP_SW2_MUX_GPIO);
/* Enable pull up */
lwgpio_set_attribute(&sw, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
/* Setup the pin interrupt mode */
if (!lwgpio_int_init(&sw, LWGPIO_INT_MODE_FALLING))
{
printf("Initializing SW for interrupt failed.\n");
_task_block();
}
/* Install gpio interrupt service routine */
_int_install_isr(lwgpio_int_get_vector(&sw), button_isr, (void *) &sw);
/* Set interrupt priority and enable interrupt source in the interrupt controller */
_bsp_int_init(lwgpio_int_get_vector(&sw), 3, 0, TRUE);
/* Enable interrupt for pin */
lwgpio_int_enable(&sw, TRUE);
/* Initialize LED pin for output */
if (!lwgpio_init(&led1, BSP_LED1, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_HIGH))
{
printf("\nLED1 initialization failed.\n");
_task_block();
}
/* Set LED pin to GPIO functionality */
lwgpio_set_functionality(&led1, BSP_LED1_MUX_GPIO);
}
/*TASK*-------------------------------------------------------------------
*
* Task Name : spi_read_task func
* Comments :
*
*END*----------------------------------------------------------------------*/
static void taskRead(uint32_t para)
{
MQX_FILE_PTR dev_file = (MQX_FILE_PTR)para;
SPI_CS_CALLBACK_STRUCT callback;
uint8_t tmp, *buf;
_lwsem_create(&IRQ_SEM, 0);
lwgpio_init(&SPI_IRQ_PIN, BSP_EM9301_IRQ_PIN, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
lwgpio_set_functionality(&SPI_IRQ_PIN, BSP_EM9301_IRQ_MUX_IRQ);
lwgpio_set_attribute(&SPI_IRQ_PIN, LWGPIO_ATTR_PULL_DOWN, LWGPIO_AVAL_ENABLE);
lwgpio_int_init(&SPI_IRQ_PIN, LWGPIO_INT_MODE_RISING);
_int_install_isr(lwgpio_int_get_vector(&SPI_IRQ_PIN), em9301_isr, &SPI_IRQ_PIN);
_bsp_int_init(lwgpio_int_get_vector(&SPI_IRQ_PIN), BSP_DSPI_INT_LEVEL, 0, TRUE);
lwgpio_int_enable(&SPI_IRQ_PIN, TRUE);
for(;;)
{
_lwsem_wait(&IRQ_SEM);
callback.CALLBACK = read_cs_callback;
callback.USERDATA = dev_file;
ioctl(dev_file, IO_IOCTL_SPI_SET_CS_CALLBACK, &callback);
buf = hciBuffer;
while(lwgpio_get_value(&SPI_IRQ_PIN))
{
if(IO_ERROR != fread(&tmp, 1, 1,dev_file))
*buf++ = tmp;
}
fflush(dev_file);
#if 1
uint8_t *start = hciBuffer;
SYSTEM_Log("--Rx:");
while(start < buf)
{
SYSTEM_Log(" %02X", *start++);
}
SYSTEM_Log("\n");
#endif
}
}
boolean HVAC_InitializeIO(void)
{
/* Init Gpio for Leds as output to drive LEDs (LED10 - LED13) */
#ifdef LED_1
output_port = lwgpio_init(&led1, LED_1, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE);
if(!output_port){
printf("Initializing LWGPIO for LED1 failed.\n");
}
lwgpio_set_functionality(&led1, BSP_LED1_MUX_GPIO);
/*Turn off Led */
lwgpio_set_value(&led1, LWGPIO_VALUE_LOW);
#endif
#ifdef LED_2
output_port = lwgpio_init(&led2, LED_2, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE);
if(!output_port){
printf("Initializing LWGPIO for LED2 failed.\n");
}
lwgpio_set_functionality(&led2, BSP_LED2_MUX_GPIO);
/*Turn off Led */
lwgpio_set_value(&led2, LWGPIO_VALUE_LOW);
#endif
#ifdef LED_3
output_port = lwgpio_init(&led3, LED_3, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE);
if(!output_port){
printf("Initializing LWGPIO for LED3 failed.\n");
}
lwgpio_set_functionality(&led3, BSP_LED3_MUX_GPIO);
/*Turn off Led */
lwgpio_set_value(&led3, LWGPIO_VALUE_LOW);
#endif
#ifdef LED_4
output_port = lwgpio_init(&led4, LED_4, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE);
if(!output_port){
printf("Initializing LWGPIO for LED4 failed.\n");
}
lwgpio_set_functionality(&led4, BSP_LED4_MUX_GPIO);
/*Turn off Led */
lwgpio_set_value(&led4, LWGPIO_VALUE_LOW);
#endif
#ifdef BSP_BUTTON1
/* Open and set port DD as input to read value from switches */
input_port = lwgpio_init(&button1, TEMP_PLUS, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
if(!input_port)
{
printf("Initializing LW GPIO for button1 as input failed.\n");
_task_block();
}
lwgpio_set_functionality(&button1 ,BSP_BUTTON1_MUX_GPIO);
lwgpio_set_attribute(&button1, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
#ifdef BSP_BUTTON2
input_port = lwgpio_init(&button2, TEMP_MINUS, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
if(!input_port)
{
printf("Initializing LW GPIO for button2 as input failed.\n");
_task_block();
}
lwgpio_set_functionality(&button2, BSP_BUTTON2_MUX_GPIO);
lwgpio_set_attribute(&button2, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
#ifdef BSP_BUTTON3
input_port = lwgpio_init(&button3, TEMP_MINUS, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
if(!input_port)
{
printf("Initializing LW GPIO for button3 as input failed.\n");
_task_block();
}
lwgpio_set_functionality(&button3, BSP_BUTTON3_MUX_GPIO);
lwgpio_set_attribute(&button3, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
#if BUTTONS
return (input_port!=0) && (output_port!=0);
#else
return (output_port!=0);
#endif
}
boolean SEC_InitializeIO(void)
{
/* Init Gpio for Leds as output to drive LEDs (LED10 - LED13) */
#ifdef LED_1
output_port = lwgpio_init(&led1, LED_1, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE);
if(!output_port){
printf("Initializing LWGPIO for LED1 failed.\n");
}
lwgpio_set_functionality(&led1, BSP_LED1_MUX_GPIO);
/*Turn off Led */
lwgpio_set_value(&led1, LWGPIO_VALUE_LOW);
#endif
#ifdef LED_2
output_port = lwgpio_init(&led2, LED_2, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE);
if(!output_port){
printf("Initializing LWGPIO for LED2 failed.\n");
}
lwgpio_set_functionality(&led2, BSP_LED2_MUX_GPIO);
/*Turn off Led */
lwgpio_set_value(&led2, LWGPIO_VALUE_LOW);
#endif
#ifdef LED_3
output_port = lwgpio_init(&led3, LED_3, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE);
if(!output_port){
printf("Initializing LWGPIO for LED3 failed.\n");
}
lwgpio_set_functionality(&led3, BSP_LED3_MUX_GPIO);
/*Turn off Led */
lwgpio_set_value(&led3, LWGPIO_VALUE_LOW);
#endif
#ifdef LED_4
output_port = lwgpio_init(&led4, LED_4, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE);
if(!output_port){
printf("Initializing LWGPIO for LED3 failed.\n");
}
lwgpio_set_functionality(&led4, BSP_LED4_MUX_GPIO);
/*Turn off Led */
lwgpio_set_value(&led4, LWGPIO_VALUE_LOW);
#endif
#ifdef BSP_BUTTON1
/* Open and set port DD as input to read value from switches */
input_port = lwgpio_init(&button1, DOOR_STATE, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
if(!input_port)
{
printf("Initializing LW GPIO for button1 as input failed.\n");
_task_block();
}
#if (defined BSP_BUTTON1_MUX_IRQ && defined SECEMAIL_TWRMCF51CN_STOP_ENABLED)
lwgpio_set_functionality(&button1 ,BSP_BUTTON1_MUX_IRQ);
lwgpio_set_attribute(&button1, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
if (!lwgpio_int_init(&button1, LWGPIO_INT_MODE_RISING))
{
printf("Initializing button GPIO for interrupt failed.\n");
}
#else
lwgpio_set_functionality(&button1 ,BSP_BUTTON1_MUX_GPIO);
lwgpio_set_attribute(&button1, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
/* install gpio interrupt service routine */
_int_install_isr(lwgpio_int_get_vector(&button1), kbi_callback, (void *) &button1);
_bsp_int_init(lwgpio_int_get_vector(&button1), 3, 0, TRUE);
lwgpio_int_enable(&button1, TRUE);
#endif
#ifdef BSP_BUTTON2
input_port = lwgpio_init(&button2, WINDOW_STATE, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
if(!input_port)
{
printf("Initializing LW GPIO for button2 as input failed.\n");
_task_block();
}
#if (defined BSP_BUTTON2_MUX_IRQ && defined SECEMAIL_TWRMCF51CN_STOP_ENABLED)
lwgpio_set_functionality(&button2 ,BSP_BUTTON2_MUX_IRQ);
lwgpio_set_attribute(&button2, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
if (!lwgpio_int_init(&button2, LWGPIO_INT_MODE_FALLING))
{
printf("Initializing button GPIO for interrupt failed.\n");
}
#else
lwgpio_set_functionality(&button2 ,BSP_BUTTON2_MUX_GPIO);
lwgpio_set_attribute(&button2, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
/* install gpio interrupt service routine */
_int_install_isr(lwgpio_int_get_vector(&button2), kbi_callback, (void *) &button2);
_bsp_int_init(lwgpio_int_get_vector(&button2), 3, 0, TRUE);
lwgpio_int_enable(&button2, TRUE);
#endif
return (input_port!=0) && (output_port!=0);
}
/*FUNCTION****************************************************************
*
* Function Name : _io_spi_install
* Returned Value : MQX error code
* Comments :
* Installs SPI device.
*
*END**********************************************************************/
_mqx_int _io_spi_install
(
/* [IN] A string that identifies the device for fopen */
char *identifier,
/* [IN] Pointer to driver initialization data */
SPI_INIT_STRUCT_CPTR init_data_ptr
)
{
SPI_DRIVER_DATA_STRUCT_PTR driver_data;
_mqx_int error_code = MQX_OK;
if ((init_data_ptr->DEVIF->SETPARAM == NULL) || (init_data_ptr->DEVIF->TX_RX == NULL))
{
/* Missing mandatory low level driver function */
return IO_ERROR_DEVICE_INVALID;
}
driver_data = (SPI_DRIVER_DATA_STRUCT_PTR)_mem_alloc_system_zero((_mem_size)sizeof(SPI_DRIVER_DATA_STRUCT));
if (driver_data == NULL)
{
return MQX_OUT_OF_MEMORY;
}
_mem_set_type(driver_data, MEM_TYPE_IO_SPI_POLLED_DEVICE_STRUCT);
driver_data->CS_CALLBACK = init_data_ptr->CS_CALLBACK;
driver_data->CS_USERDATA= init_data_ptr->CS_USERDATA;
driver_data->PARAMS = init_data_ptr->PARAMS;
driver_data->DEVIF = init_data_ptr->DEVIF;
/* initialize low level driver */
if (driver_data->DEVIF->INIT)
error_code = driver_data->DEVIF->INIT(init_data_ptr->DEVIF_INIT, &(driver_data->DEVIF_DATA));
if (error_code != MQX_OK)
{
_mem_free(driver_data);
return error_code;
}
_lwsem_create(&driver_data->BUS_LOCK, 1);
/********************************************/
/*special for em9301 IRQ*/
_lwsem_create(&driver_data->IRQ_SEM, 0);
lwgpio_init(&driver_data->SPI_IRQ_PIN, BSP_EM9301_IRQ_PIN, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
lwgpio_set_functionality(&driver_data->SPI_IRQ_PIN, BSP_EM9301_IRQ_MUX_IRQ);
lwgpio_set_attribute(&driver_data->SPI_IRQ_PIN, LWGPIO_ATTR_PULL_DOWN, LWGPIO_AVAL_ENABLE);
lwgpio_int_init(&driver_data->SPI_IRQ_PIN, LWGPIO_INT_MODE_RISING);
_int_install_isr(lwgpio_int_get_vector(&driver_data->SPI_IRQ_PIN), _dspi_em9301_isr, driver_data);
_bsp_int_init(lwgpio_int_get_vector(&driver_data->SPI_IRQ_PIN), BSP_DSPI_INT_LEVEL, 0, TRUE);
lwgpio_int_enable(&driver_data->SPI_IRQ_PIN, TRUE);
/********************************************/
error_code = _io_dev_install_ext(identifier,
_io_spi_open, _io_spi_close,
_io_spi_read, _io_spi_write,
_io_spi_ioctl,
_io_spi_uninstall,
(void *)driver_data);
if (error_code)
{
/* deinitialize low level driver */
if (driver_data->DEVIF->DEINIT)
driver_data->DEVIF->DEINIT(driver_data->DEVIF_DATA);
_lwsem_destroy(&driver_data->BUS_LOCK);
_mem_free(driver_data);
return error_code;
}
return MQX_OK;
}
/*TASK*-----------------------------------------------------------------
*
* Function Name : sdcard_task
* Returned Value : void
* Comments :
*
*END------------------------------------------------------------------*/
void sdcard_task(uint_32 temp)
{
boolean inserted = TRUE, readonly = FALSE, last = FALSE;
_mqx_int error_code;
_mqx_uint param;
MQX_FILE_PTR com_handle, sdcard_handle, filesystem_handle, partman_handle;
char filesystem_name[] = "a:";// 文件系统 名字
char partman_name[] = "pm:";// 分区管理 名字
#if defined BSP_SDCARD_GPIO_DETECT
#if ! BSP_SDCARD_GPIO_DETECT_INT
LWGPIO_STRUCT sd_detect;
#else
LWGPIO_STRUCT sd_detect;
/************************dx 20121210**********************************************
*/
GPIO_PIN_STRUCT sd_detect_int[] = {
BSP_SDCARD_GPIO_DETECT | GPIO_PIN_IRQ_FALLING | GPIO_PIN_IRQ_RISING,
GPIO_LIST_END
};
MQX_FILE_PTR port_file_sd_detect_int;
/***********************************************************************************/
#endif
#endif
#if defined BSP_SDCARD_GPIO_PROTECT
LWGPIO_STRUCT sd_protect;
#endif
#ifdef BSP_SDCARD_GPIO_CS
LWGPIO_STRUCT sd_cs;
SPI_CS_CALLBACK_STRUCT callback;
#endif
/* Open low level communication device */
com_handle = fopen (SDCARD_COM_CHANNEL, NULL);// 打开"esdhc:"模块底层驱动
if (NULL == com_handle)
{
printf("Error installing communication handle.\n");
_task_block();
}
#ifdef BSP_SDCARD_GPIO_CS
/* Open GPIO file for SPI CS signal emulation */
error_code = lwgpio_init(&sd_cs, BSP_SDCARD_GPIO_CS, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE);// 安装简单引脚用于spi片选
if (!error_code)
{
printf("Initializing GPIO with associated pins failed.\n");
_task_block();
}
lwgpio_set_functionality(&sd_cs,BSP_SDCARD_CS_MUX_GPIO);
lwgpio_set_attribute(&sd_cs, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
/* Set CS callback */
callback.MASK = BSP_SDCARD_SPI_CS;
callback.CALLBACK = set_CS;
callback.USERDATA = &sd_cs;
if (SPI_OK != ioctl (com_handle, IO_IOCTL_SPI_SET_CS_CALLBACK, &callback))
{
printf ("Setting CS callback failed.\n");
_task_block();
}
#endif
#if defined BSP_SDCARD_GPIO_DETECT
#if ! BSP_SDCARD_GPIO_DETECT_INT
/* Init GPIO pins for other SD card signals */
error_code = lwgpio_init(&sd_detect, BSP_SDCARD_GPIO_DETECT, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);// 安装简单引脚用于插入检测
if (!error_code)
{
printf("Initializing GPIO with sdcard detect pin failed.\n");
_task_block();
}
/*Set detect and protect pins as GPIO Function */
lwgpio_set_functionality(&sd_detect,BSP_SDCARD_DETECT_MUX_GPIO);
lwgpio_set_attribute(&sd_detect, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#else
/******************dx 20121210***********************************************/
if (NULL == (port_file_sd_detect_int = fopen("gpio:read", (char_ptr) &sd_detect_int )))
{
printf("Opening port_file_sd_detect_int GPIO with associated button1_int failed.\n");
_task_block();
}
ioctl(port_file_sd_detect_int, GPIO_IOCTL_SET_IRQ_FUNCTION, (pointer)sd_detect_int__callback);
_lwevent_create(&SD_Event,0); // 创建轻量级事件用于检测SD插入
/****************************************************************************/
#endif
#endif
#if defined BSP_SDCARD_GPIO_PROTECT
/* Init GPIO pins for other SD card signals */
error_code = lwgpio_init(&sd_protect, BSP_SDCARD_GPIO_PROTECT, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);// 安装简单引脚用于只读检测
if (!error_code)
{
printf("Initializing GPIO with sdcard protect pin failed.\n");
_task_block();
}
/*Set detect and protect pins as GPIO Function */
lwgpio_set_functionality(&sd_protect,BSP_SDCARD_PROTECT_MUX_GPIO);
lwgpio_set_attribute(&sd_protect, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
/* Install SD card device */
error_code = _io_sdcard_install("sdcard:", (pointer)&_bsp_sdcard0_init, com_handle);// 安装SD卡驱动，基于"esdhc:"模块
if ( error_code != MQX_OK )
{
printf("Error installing SD card device (0x%x)\n", error_code);
_task_block();
}
/*使用内部IOCTL命令测试SD卡是否已经插入 dx20121223*/
uint_32 sd_param;
sd_param = 0;
if (ESDHC_OK != ioctl (com_handle, IO_IOCTL_ESDHC_GET_CARD, &sd_param))
{
printf("Error get SD card device type.\n");
_task_block();
}
if (ESDHC_CARD_NONE != sd_param)
{
inserted = TRUE; // 已插入SD卡
printf("inserted = 1 -> %d\n",(int)sd_param);
}else
{
inserted = FALSE; // 无SD卡
printf("inserted = 0 -> %d\n",(int)sd_param);
}
for (;;)/////////////////////////////////////////////////////////////////////////////循环
{
#if defined BSP_SDCARD_GPIO_PROTECT
/* Get value of protect pin */
readonly = lwgpio_get_value(&sd_protect);// 检测磁盘是否只读////////////////////////////////////////
#endif
#ifdef BSP_MPC8308RDB
/* Set function as SD_CD which indicate that card is present in Present State Register */
lwgpio_set_functionality(&sd_detect,BSP_SDCARD_DETECT_MUX_SD_CD);
lwgpio_set_attribute(&sd_detect, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
if (last != inserted)
{
if (inserted)// 插入磁盘
{
// _time_delay (200);// 将活动的任务挂起指定的毫秒数
/* Open the device which MFS will be installed on */
sdcard_handle = fopen("sdcard:", 0);// 打开SD卡层驱动
if ( sdcard_handle == NULL )
{
printf("Unable to open SD card device.\n");
_task_block();
}
/* Set read only flag as needed */
param = 0;
if (readonly)
{
param = IO_O_RDONLY;
}
if (IO_OK != ioctl(sdcard_handle, IO_IOCTL_SET_FLAGS, (char_ptr) ¶m))
{
printf("Setting device read only failed.\n");
_task_block();
}
/* Install partition manager over SD card driver */
error_code = _io_part_mgr_install(sdcard_handle, partman_name, 0);// 分区管理
if (error_code != MFS_NO_ERROR)
{
printf("Error installing partition manager: %s\n", MFS_Error_text((uint_32)error_code));
_task_block();
}
/* Open partition manager */
partman_handle = fopen(partman_name, NULL);// 打开分区
if (partman_handle == NULL)
{
error_code = ferror(partman_handle);
printf("Error opening partition manager: %s\n", MFS_Error_text((uint_32)error_code));
_task_block();
}
/* Validate partition 1 */
param = 1;
error_code = _io_ioctl(partman_handle, IO_IOCTL_VAL_PART, ¶m);// 控制分区
if (error_code == MQX_OK)
{
/* Install MFS over partition 1 */
error_code = _io_mfs_install(partman_handle, filesystem_name, param);/////安装文件系统，基于分区
if (error_code != MFS_NO_ERROR)
{
printf("Error initializing MFS over partition: %s\n", MFS_Error_text((uint_32)error_code));
_task_block();
}
} else {
/* Install MFS over SD card driver */
error_code = _io_mfs_install(sdcard_handle, filesystem_name, (_file_size)0);////////安装文件系统，无分区
if (error_code != MFS_NO_ERROR)
{
printf("Error initializing MFS: %s\n", MFS_Error_text((uint_32)error_code));
_task_block();
}
}
/* Open file system */
filesystem_handle = fopen(filesystem_name, NULL);// 打开文件系统
error_code = ferror (filesystem_handle);
if ((error_code != MFS_NO_ERROR) && (error_code != MFS_NOT_A_DOS_DISK))
{
printf("Error opening filesystem: %s\n", MFS_Error_text((uint_32)error_code));
_task_block();
}
if ( error_code == MFS_NOT_A_DOS_DISK )
{
printf("NOT A DOS DISK! You must format to continue.\n");
}
printf ("SD card installed to %s\n", filesystem_name);
if (readonly)
{
printf ("SD card is locked (read only).\n");
}
}
else // 拔出磁盘
{
/* Close the filesystem */
if (MQX_OK != fclose (filesystem_handle))
{
printf("Error closing filesystem.\n");
_task_block();
}
filesystem_handle = NULL;
/* Uninstall MFS */
error_code = _io_dev_uninstall(filesystem_name);
if (error_code != MFS_NO_ERROR)
{
printf("Error uninstalling filesystem.\n");
_task_block();
}
/* Close partition manager */
if (MQX_OK != fclose (partman_handle))
{
printf("Unable to close partition manager.\n");
_task_block();
}
partman_handle = NULL;
/* Uninstall partition manager */
error_code = _io_dev_uninstall(partman_name);
if (error_code != MFS_NO_ERROR)
{
printf("Error uninstalling partition manager.\n");
_task_block();
}
/* Close the SD card device */
if (MQX_OK != fclose (sdcard_handle))
{
printf("Unable to close SD card device.\n");
_task_block();
}
sdcard_handle = NULL;
printf ("SD card uninstalled.\n");
printf ("sd unOK dx.\n");/////////////////////////dx
}
}
last = inserted;
// _time_delay (200);// 将活动的任务挂起指定的毫秒数
// #if defined BSP_SDCARD_GPIO_DETECT
// #if BSP_SDCARD_GPIO_DETECT_INT
// /****************dx 20121211************************************************************/
// _lwevent_wait_ticks(&SD_Event,SD_EVENT_DETECT,FALSE,0);///////////等待事件USB_EVENT
// _lwevent_clear(&SD_Event,SD_EVENT_DETECT);
// /****************************************************************************************/
// #endif
// #endif
/*使用SD外部端口测试SD卡是否已经插入*/
#if defined BSP_SDCARD_GPIO_DETECT
#ifdef BSP_MPC8308RDB
/* Set function as GPIO to detect sdcard */
lwgpio_set_functionality(&sd_detect,BSP_SDCARD_DETECT_MUX_GPIO);
lwgpio_set_attribute(&sd_detect, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
#if ! BSP_SDCARD_GPIO_DETECT_INT
inserted = !lwgpio_get_value(&sd_detect);// 检测磁盘是否插入/////////////////////////////////////////
#else
/****************dx 20121211************************************************************/
_lwevent_wait_ticks(&SD_Event,SD_EVENT_DETECT,FALSE,0);///////////等待事件USB_EVENT
_lwevent_clear(&SD_Event,SD_EVENT_DETECT);
ioctl(port_file_sd_detect_int, GPIO_IOCTL_READ, (char_ptr) &sd_detect_int);
inserted = !( sd_detect_int[0] & GPIO_PIN_STATUS);
/****************************************************************************************/
#endif
#endif
}/////////////////////////////////////////////////////////////////////////////循环
}
/*TASK*-----------------------------------------------------------------
*
* Function Name : Sdcard_task
* Returned Value : void
* Comments :
*
*END------------------------------------------------------------------*/
void Sdcard_task
(
uint_32 temp
)
{
boolean inserted = TRUE, last = FALSE;
_mqx_int error_code;
MQX_FILE_PTR com_handle;
//#if defined BSP_SDCARD_GPIO_DETECT
// LWGPIO_STRUCT sd_detect;
//#endif
#if defined BSP_SDCARD_GPIO_PROTECT
LWGPIO_STRUCT sd_protect;
#endif
#ifdef BSP_SDCARD_GPIO_CS
LWGPIO_STRUCT sd_cs;
SPI_CS_CALLBACK_STRUCT callback;
#endif
_task_id player_task_id, sd_walker_id;
_mqx_int sd_event_value;
_mqx_uint wait_state;
#ifdef USB_ACCESSORY_PLAY
connect_msg_t msg;
int delaySetp = 0;
#endif
if (MQX_OK !=_lwevent_create(&(sddetect_event), LWEVENT_AUTO_CLEAR)) {
printf("\n_lwevent_create sddetect_event failed\n");
_task_block();
}
/* Open low level communication device */
com_handle = fopen (SDCARD_COM_CHANNEL, NULL);
if (NULL == com_handle)
{
printf("Error installing communication handle.\n");
_task_block();
}
#ifdef BSP_SDCARD_GPIO_CS
/* Open GPIO file for SPI CS signal emulation */
error_code = lwgpio_init(&sd_cs, BSP_SDCARD_GPIO_CS, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE);
if (!error_code)
{
printf("Initializing GPIO with associated pins failed.\n");
_task_block();
}
lwgpio_set_functionality(&sd_cs,BSP_SDCARD_CS_MUX_GPIO);
lwgpio_set_attribute(&sd_cs, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
/* Set CS callback */
callback.MASK = BSP_SDCARD_SPI_CS;
callback.CALLBACK = set_CS;
callback.USERDATA = &sd_cs;
if (SPI_OK != ioctl (com_handle, IO_IOCTL_SPI_SET_CS_CALLBACK, &callback))
{
printf ("Setting CS callback failed.\n");
_task_block();
}
#endif
#if defined BSP_SDCARD_GPIO_DETECT
/* Init GPIO pins for other SD card signals */
error_code = lwgpio_init(&sd_detect, BSP_SDCARD_GPIO_DETECT, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
if (!error_code)
{
printf("Initializing GPIO with sdcard detect pin failed.\n");
_task_block();
}
/*Set detect and protect pins as GPIO Function */
lwgpio_set_functionality(&sd_detect,BSP_SDCARD_DETECT_MUX_GPIO);
lwgpio_set_attribute(&sd_detect, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#ifndef SD_DETECT_POLLING // init sd detcet pin interrupt
lwgpio_int_init(&sd_detect,LWGPIO_INT_MODE_RISING | LWGPIO_INT_MODE_FALLING /* LWGPIO_INT_MODE_HIGH*/); /* falling,raising mode = 3 */
/* install gpio interrupt service routine */
_int_install_isr(lwgpio_int_get_vector(&sd_detect), EXT_SDDETECT_ISR, (void *) &sd_detect);
_bsp_int_init(lwgpio_int_get_vector(&sd_detect), 5, 0, TRUE);
lwgpio_int_enable(&sd_detect, TRUE);
#endif
#endif
#if defined BSP_SDCARD_GPIO_PROTECT
/* Init GPIO pins for other SD card signals */
error_code = lwgpio_init(&sd_protect, BSP_SDCARD_GPIO_PROTECT, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
if (!error_code)
{
printf("Initializing GPIO with sdcard protect pin failed.\n");
_task_block();
}
/*Set detect and protect pins as GPIO Function */
lwgpio_set_functionality(&sd_protect,BSP_SDCARD_PROTECT_MUX_GPIO);
lwgpio_set_attribute(&sd_protect, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
/* Install SD card device */
error_code = _io_sdcard_install("sdcard:", (pointer)&_bsp_sdcard0_init, com_handle);
if ( error_code != MQX_OK )
{
printf("Error installing SD card device (0x%x)\n", error_code);
_task_block();
}
_lwevent_set(&sddetect_event,SD_ATTACHED_EVENT); // set attached event at mode manager
_time_delay(1000); /* wait otg main task ready */
printf("start sd card task\n");
// use sd detect interrupt
for (;;) {
#ifdef SD_DETECT_POLLING
wait_state = _lwevent_wait_ticks(&sddetect_event,SD_EVENT_MASK, FALSE, 4/* 0*/);
#else
wait_state = _lwevent_wait_ticks(&sddetect_event,SD_EVENT_MASK, FALSE, 0);
#endif
//if (wait_state == LWEVENT_WAIT_TIMEOUT/* MQX_OK*/) {
if (wait_state != MQX_OK ) {
#ifndef SD_DETECT_POLLING
printf("waiting sddetect_event fail\n");
// _task_block(); // _lwevent_destroy(&sddetect_event);
//-goto wait_timeout;
continue;
#else
_lwevent_set(&sddetect_event,SD_ATTACHED_EVENT);
#endif
}
//else
sd_event_value = _lwevent_get_signalled();
if (sd_event_value == SD_ATTACHED_EVENT ) {
_time_delay (200);
inserted = !lwgpio_get_value(&sd_detect);
if(!inserted) // mount sd fs ,must attached sd card !
continue;
// printf("mount sd card...\n");
// mount_sdcard();
#ifndef USB_ACCESSORY_PLAY
/* create player and sd_walker task*/
player_task_id = _task_create(0, PLAYER_TASK, 0);
printf("Creating sd player task................");
if (player_task_id == MQX_NULL_TASK_ID) {
printf("[FAIL]\n");
}
else {
printf("[OK]\n");
}
sd_walker_id = _task_create(0, SD_WALKER_TASK, 0);
printf("Creating sd walker task................");
if (sd_walker_id == MQX_NULL_TASK_ID) {
printf("[FAIL]\n");
}
else {
printf("[OK]\n");
}
#else
msg.conct_source = mp_for_TF;
msg.conct_action = mp_plugIn; /* post message, TFcard plug in*/
if (LWMSGQ_FULL == _lwmsgq_send(connect_taskq, (uint_32 *) &msg, 0)) {
printf("Could not inform about TFCard device attached\n");
}
//_time_delay (1); // give mode manager task some times to cancel play ,if sd task high than mode task
#endif
// _lwevent_set(&player_event, PLAYER_EVENT_MSK_SD_FS_MOUNTED); //auto play event
last = inserted;
} // SD_ATTACHED_EVENT
else if (sd_event_value == SD_DETTACHED_EVENT ) {
// _time_delay (100);
//inserted = !lwgpio_get_value(&sd_detect);
//if(inserted)
// continue;
#ifndef USB_ACCESSORY_PLAY
_lwevent_set(&player_event, PLAYER_EVENT_MSK_SD_FS_UNMOUNTED);
_lwevent_wait_ticks(&player_event,
PLAYER_EVENT_MSK_PLAYER_TASK_KILLED,
TRUE, 0);
_lwevent_clear(&player_event, PLAYER_EVENT_MSK_PLAYER_TASK_KILLED);
/* And the destroy play_task and sd_walker task */
_task_destroy(sd_walker_id);
_task_destroy(player_task_id);
#else
/* post message, TFcard plug out*/
msg.conct_source = mp_for_TF;
msg.conct_action = mp_plugOut; /* post message, TFcard plug out*/
if (LWMSGQ_FULL == _lwmsgq_send(connect_taskq, (uint_32 *) &msg, 0)) {
printf("Could not inform about TFCard device de-attached\n");
}
//_time_delay (1); // give mode manager task some times to cancel play ,if sd task high than mode task
#endif
// printf("unmount sd card...\n");
// unmount_sdcard();
// printf ("SD card uninstalled.\n");
}
}
}
/*TASK*-----------------------------------------------------------------
*
* Function Name : localPlay_init_task
* Returned Value : void
* Comments :
*
*END------------------------------------------------------------------*/
void localPlay_init_task
(
uint_32 temp
)
{
MQX_TICK_STRUCT time;
_mqx_int errcode = 0;
/* Install MQX default unexpected ISR routines */
_int_install_unexpected_isr();
if(_lwevent_create(&player_event, 0)!= MQX_OK)
{
printf("\nMake event failed");
}
/* Setup time */
printf("Setting up time......................");
time.TICKS[0] = 0L;
time.TICKS[1] = 0L;
time.HW_TICKS = 0;
_time_set_ticks(&time);
printf("[OK]\n");
/* Init GPIOs */
lwgpio_init(&btn_next, BSP_SW1, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
lwgpio_set_functionality(&btn_next,BSP_SW1_MUX_GPIO);
lwgpio_set_attribute(&btn_next, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
lwgpio_int_init(&btn_next, LWGPIO_INT_MODE_RISING);
_int_install_isr(lwgpio_int_get_vector(&btn_next), int_service_routine_btn_pause, (void *) &btn_next);
hmi_init();
sgtl5000_power_on();
hmi_install(1, int_service_routine_btn_prev);
_bsp_int_init(lwgpio_int_get_vector(&btn_next), BTN_ISR_PRIORITY, 0, TRUE);
lwgpio_init(&btn_prev, BSP_SW2, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
lwgpio_set_functionality(&btn_prev, BSP_SW2_MUX_GPIO);
lwgpio_set_attribute(&btn_prev, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#ifdef SD_DETECT_POLLING
lwgpio_int_init(&btn_prev, LWGPIO_INT_MODE_RISING);
_int_install_isr(lwgpio_int_get_vector(&btn_prev), int_service_routine_btn_stop, (void *) &btn_prev);
_bsp_int_init(lwgpio_int_get_vector(&btn_prev), BTN_ISR_PRIORITY, 0, TRUE);
#endif
hmi_install(2, int_service_routine_btn_next);
hmi_install(3, int_service_routine_vol_up);
hmi_install(4, int_service_routine_vol_down);
#if 0
/* Initialize audio codec */
printf("Initializing audio codec.............");
if (errcode != 0)
{
printf("[FAIL]\n");
printf(" Error 0x%X\n", errcode);
}
else
{
printf("[OK]\n");
}
//#else
/* Initialize audio driver and codec */
/************************************************/
if ((errcode = msi_snd_init()) != 0)
{
printf("Initializing audio driver and codec........[FAIL]\n");
printf(" Error 0x%X\n", errcode);
return;
}
else
{
printf("Initializing audio driver and codec........[OK]\n");
}
/************************************************/
#endif
/* Create tasks */
errcode = _task_create(0, SDCARD_TASK, 0);
printf("Creating SD card task................");
if (errcode == MQX_NULL_TASK_ID)
{
printf("[FAIL]\n");
printf(" Error 0x%X.\n");
}
else
{
printf("[OK]\n");
}
#ifdef SD_PLAYER_SHELL_SUPPORTED
printf("Creating shell task..................");
errcode = _task_create(0, SHELL_TASK, 0);
if (errcode == MQX_NULL_TASK_ID)
{
printf("[FAIL]\n");
printf(" Error 0x%X.\n");
}
else
{
printf("[OK]\n");
}
#endif
lwgpio_int_enable(&btn_next, TRUE);
#ifdef SD_DETECT_POLLING
lwgpio_int_enable(&btn_prev, TRUE);
#endif
_task_abort(MQX_NULL_TASK_ID);
}
/*TASK*-----------------------------------------------------------------
*
* Function Name : sdcard_task
* Returned Value : void
* Comments :
*
*END------------------------------------------------------------------*/
void sdcard_task(uint_32 temp)
{
boolean inserted = TRUE, readonly = FALSE, last = FALSE;
_mqx_int error_code;
_mqx_uint param;
MQX_FILE_PTR com_handle, sdcard_handle, filesystem_handle, partition_handle;
char filesystem_name[] = "a:";
char partman_name[] = "pm:";
char partition_name[] = "pm:1";
#if defined BSP_SDCARD_GPIO_DETECT
LWGPIO_STRUCT sd_detect;
#endif
#if defined BSP_SDCARD_GPIO_PROTECT
LWGPIO_STRUCT sd_protect;
#endif
#ifdef BSP_SDCARD_GPIO_CS
LWGPIO_STRUCT sd_cs;
SPI_CS_CALLBACK_STRUCT callback;
#endif
/* Open low level communication device */
com_handle = fopen(SDCARD_COM_CHANNEL, (void *)(SPI_FLAG_FULL_DUPLEX));
if (NULL == com_handle)
{
printf("Error opening communication handle %s, check your user_config.h.\n", SDCARD_COM_CHANNEL);
_task_block();
}
#ifdef BSP_SDCARD_GPIO_CS
/* Open GPIO file for SPI CS signal emulation */
error_code = lwgpio_init(&sd_cs, BSP_SDCARD_GPIO_CS, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE);
if (!error_code)
{
printf("Initializing GPIO with associated pins failed.\n");
_task_block();
}
lwgpio_set_functionality(&sd_cs,BSP_SDCARD_CS_MUX_GPIO);
lwgpio_set_attribute(&sd_cs, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
/* Set CS callback */
callback.MASK = BSP_SDCARD_SPI_CS;
callback.CALLBACK = set_CS;
callback.USERDATA = &sd_cs;
if (SPI_OK != ioctl(com_handle, IO_IOCTL_SPI_SET_CS_CALLBACK, &callback))
{
printf ("Setting CS callback failed.\n");
_task_block();
}
#endif
#if defined BSP_SDCARD_GPIO_DETECT
/* Init GPIO pins for other SD card signals */
error_code = lwgpio_init(&sd_detect, BSP_SDCARD_GPIO_DETECT, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
if (!error_code)
{
printf("Initializing GPIO with sdcard detect pin failed.\n");
_task_block();
}
/*Set detect and protect pins as GPIO Function */
lwgpio_set_functionality(&sd_detect,BSP_SDCARD_DETECT_MUX_GPIO);
lwgpio_set_attribute(&sd_detect, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
#if defined BSP_SDCARD_GPIO_PROTECT
/* Init GPIO pins for other SD card signals */
error_code = lwgpio_init(&sd_protect, BSP_SDCARD_GPIO_PROTECT, LWGPIO_DIR_INPUT, LWGPIO_VALUE_NOCHANGE);
if (!error_code)
{
printf("Initializing GPIO with sdcard protect pin failed.\n");
_task_block();
}
/*Set detect and protect pins as GPIO Function */
lwgpio_set_functionality(&sd_protect,BSP_SDCARD_PROTECT_MUX_GPIO);
lwgpio_set_attribute(&sd_protect, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
/* Install SD card device */
error_code = _io_sdcard_install("sdcard:", (pointer)&_bsp_sdcard0_init, com_handle);
if ( error_code != MQX_OK )
{
printf("Error installing SD card device (0x%x)\n", error_code);
_task_block();
}
for (;;)
{
#if defined BSP_SDCARD_GPIO_DETECT
#ifdef BSP_MPC8308RDB
/* Set function as GPIO to detect sdcard */
lwgpio_set_functionality(&sd_detect,BSP_SDCARD_DETECT_MUX_GPIO);
lwgpio_set_attribute(&sd_detect, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
inserted = !lwgpio_get_value(&sd_detect);
#endif
#if defined BSP_SDCARD_GPIO_PROTECT
/* Get value of protect pin */
readonly = lwgpio_get_value(&sd_protect);
#endif
#ifdef BSP_MPC8308RDB
/* Set function as SD_CD which indicate that card is present in Present State Register */
lwgpio_set_functionality(&sd_detect,BSP_SDCARD_DETECT_MUX_SD_CD);
lwgpio_set_attribute(&sd_detect, LWGPIO_ATTR_PULL_UP, LWGPIO_AVAL_ENABLE);
#endif
if (last != inserted)
{
last = inserted;
if (inserted)
{
_time_delay (200);
/* Open the device which MFS will be installed on */
sdcard_handle = fopen("sdcard:", 0);
if (sdcard_handle == NULL)
{
printf("Unable to open SD card device.\n");
continue;
}
/* Set read only flag as needed */
param = 0;
if (readonly)
{
param = IO_O_RDONLY;
}
if (IO_OK != ioctl(sdcard_handle, IO_IOCTL_SET_FLAGS, (char_ptr) ¶m))
{
printf("Setting device read only failed.\n");
continue;
}
/* Install partition manager over SD card driver */
error_code = _io_part_mgr_install(sdcard_handle, partman_name, 0);
if (error_code != MFS_NO_ERROR)
{
printf("Error installing partition manager: %s\n", MFS_Error_text((uint_32)error_code));
continue;
}
/* Open partition */
partition_handle = fopen(partition_name, NULL);
if (partition_handle != NULL)
{
printf("Installing MFS over partition...\n");
/* Validate partition */
error_code = _io_ioctl(partition_handle, IO_IOCTL_VAL_PART, NULL);
if (error_code != MFS_NO_ERROR)
{
printf("Error validating partition: %s\n", MFS_Error_text((uint_32)error_code));
printf("Not installing MFS.\n");
continue;
}
/* Install MFS over partition */
error_code = _io_mfs_install(partition_handle, filesystem_name, 0);
if (error_code != MFS_NO_ERROR)
{
printf("Error initializing MFS over partition: %s\n", MFS_Error_text((uint_32)error_code));
}
} else {
printf("Installing MFS over SD card driver...\n");
/* Install MFS over SD card driver */
error_code = _io_mfs_install(sdcard_handle, filesystem_name, (_file_size)0);
if (error_code != MFS_NO_ERROR)
{
printf("Error initializing MFS: %s\n", MFS_Error_text((uint_32)error_code));
}
}
/* Open file system */
if (error_code == MFS_NO_ERROR) {
filesystem_handle = fopen(filesystem_name, NULL);
error_code = ferror(filesystem_handle);
if (error_code == MFS_NOT_A_DOS_DISK)
{
printf("NOT A DOS DISK! You must format to continue.\n");
}
else if (error_code != MFS_NO_ERROR)
{
printf("Error opening filesystem: %s\n", MFS_Error_text((uint_32)error_code));
continue;
}
printf ("SD card installed to %s\n", filesystem_name);
if (readonly)
{
printf ("SD card is locked (read only).\n");
}
}
}
else
{
/* Close the filesystem */
if ((filesystem_handle != NULL) && (MQX_OK != fclose(filesystem_handle)))
{
printf("Error closing filesystem.\n");
}
filesystem_handle = NULL;
/* Uninstall MFS */
error_code = _io_dev_uninstall(filesystem_name);
if (error_code != MFS_NO_ERROR)
{
printf("Error uninstalling filesystem.\n");
}
/* Close partition */
if ((partition_handle != NULL) && (MQX_OK != fclose(partition_handle)))
{
printf("Error closing partition.\n");
}
partition_handle = NULL;
/* Uninstall partition manager */
error_code = _io_dev_uninstall(partman_name);
if (error_code != MFS_NO_ERROR)
{
printf("Error uninstalling partition manager.\n");
}
/* Close the SD card device */
if ((sdcard_handle != NULL) && (MQX_OK != fclose(sdcard_handle)))
{
printf("Unable to close SD card device.\n");
}
sdcard_handle = NULL;
printf ("SD card uninstalled.\n");
}
}
_time_delay (200);
}
}
