void host_mass_storage_task(void)
#endif
{
uint8_t i;
uint8_t max_lun;
uint32_t capacity;
extern volatile uint8_t device_state;
uint32_t total_capacity;
uint8_t status = CTRL_GOOD;
#ifdef FREERTOS_USED
portTickType xLastWakeTime;
xLastWakeTime = xTaskGetTickCount();
while (true)
{
vTaskDelayUntil(&xLastWakeTime, configTSK_USB_HMS_PERIOD);
#endif // FREERTOS_USED
// First, check the host controller is in full operating mode with the
// B-device attached and enumerated
if (Is_host_ready())
{
// New device connection (executed only once after device connection)
if (ms_new_device_connected)
{
// For all supported interfaces
for (i = 0; i < Get_nb_supported_interface(); i++)
{
// If mass-storage class
if (Get_class(i) == MS_CLASS)
{
total_capacity = 0;
// Get correct physical pipes associated with IN/OUT endpoints
if (Is_ep_in(i, 0))
{ // Yes, associate it with the IN pipe
g_pipe_ms_in = Get_ep_pipe(i, 0);
g_pipe_ms_out = Get_ep_pipe(i, 1);
}
else
{ // No, invert...
g_pipe_ms_in = Get_ep_pipe(i, 1);
g_pipe_ms_out = Get_ep_pipe(i, 0);
}
ms_new_device_connected = false;
ms_connected = true;
// Get the number of LUNs in the connected mass-storage device
max_lun = host_get_lun();
// Initialize all USB drives
for (host_selected_lun = 0; host_selected_lun < max_lun; host_selected_lun++)
{
uint32_t retry;
if ((status = host_ms_inquiry()) != CTRL_GOOD)
break;
if ((status = host_ms_request_sense()) != CTRL_GOOD)
break;
for (retry = 0; retry < 3; retry++)
{
if ((status = host_test_unit_ready(host_selected_lun)) == CTRL_GOOD)
{
if ((status = host_read_capacity(host_selected_lun, &capacity)) == CTRL_GOOD)
total_capacity += capacity;
break;
}
}
}
// If busy then restart
if (status == CTRL_BUSY || status == CTRL_NO_PRESENT)
{
ms_connected = false;
ms_new_device_connected = true;
return;
}
// If failed then report device not supported
if (status == CTRL_FAIL)
{
device_state = DEVICE_ERROR;
Host_device_class_not_supported_action();
ms_connected = false;
return;
}
#ifdef AI_MAXIMAL_CAPACITY_SUPPORTED_MB
if (total_capacity > (AI_MAXIMAL_CAPACITY_SUPPORTED_MB*2*1024))
{
device_state = DEVICE_ERROR;
Host_device_class_not_supported_action();
ms_connected = false;
return;
}
#endif
LOG_STR(log_ms_dev_connected);
// Notify the Audio Interface of the new connection
ai_usb_ms_new_connection();
break;
}
}
}
}
#ifdef FREERTOS_USED
}
#endif
}
void host_template_task(void)
#endif
{
#if USB_HOST_PIPE_INTERRUPT_TRANSFER == DISABLE
Status_t sta;
U16 nb;
#endif
U8 i;
#ifdef FREERTOS_USED
portTickType xLastWakeTime;
xLastWakeTime = xTaskGetTickCount();
while (true)
{
vTaskDelayUntil(&xLastWakeTime, configTSK_USB_HTP_PERIOD);
#endif // FREERTOS_USED
// First, check the host controller is in full operating mode with the
// B-device attached and enumerated
if (Is_host_ready())
{
// Put here the code to execute in host mode
#if BOARD == EVK1100
// For example, display Start-of-Frame counter on LEDs
LED_Display_Field(LED_MONO0_GREEN |
LED_MONO1_GREEN |
LED_MONO2_GREEN |
LED_MONO3_GREEN,
sof_cnt >> 5);
#elif BOARD == EVK1101 || BOARD == UC3C_EK || BOARD == EVK1104 || BOARD == EVK1105
// For example, display Start-of-Frame counter on LEDs
LED_Display_Field(LED0 |
LED1,
sof_cnt >> 5);
#else
#error The display of the SOFs must be defined here.
#endif
// New device connection (executed only once after device connection)
if (tpl_new_device_connected)
{
tpl_new_device_connected = false;
#if USB_HOST_PIPE_INTERRUPT_TRANSFER == ENABLE
// No more pipe interrupt transfer pending
busy = false;
#endif
// For all supported interfaces
for (i = 0; i < Get_nb_supported_interface(); i++)
{
// If vendor-specific class
if (Get_class(i) == VENDOR_CLASS)
{
// Get correct physical pipes associated with IN/OUT endpoints
if (Is_ep_in(i, 0))
{ // Yes, associate it with the IN pipe
pipe_in = Get_ep_pipe(i, 0);
pipe_out = Get_ep_pipe(i, 1);
}
else
{ // No, invert...
pipe_in = Get_ep_pipe(i, 1);
pipe_out = Get_ep_pipe(i, 0);
}
break;
}
}
}
#if USB_HOST_PIPE_INTERRUPT_TRANSFER == DISABLE
// The sample task sends 64 bytes through OUT pipe
LED_On(LED_APPLI_0);
sta = host_send_data(pipe_out, sizeof(buf), buf);
LED_Off(LED_APPLI_0);
// And receives 64 bytes from IN pipe
nb = sizeof(buf);
LED_On(LED_APPLI_1);
sta = host_get_data(pipe_in, &nb, buf);
LED_Off(LED_APPLI_1);
#else
// Similar applicative task under interrupt mode...
if (!busy)
{
busy = true;
LED_On(LED_APPLI_0);
host_send_data_interrupt(pipe_out, sizeof(buf), buf, host_send_data_callback);
LED_Off(LED_APPLI_0);
}
#endif
// Here is an example of an applicative request to go to USB suspend ...
if (false/* applicative conditions */)
{
host_set_feature_remote_wakeup();
Host_request_suspend();
}
}
// Here an applicative example of resume request...
if (Is_host_suspended()/* && applicative conditions */)
{
Host_request_resume();
}
#ifdef FREERTOS_USED
}
#endif
}
void host_keyboard_hid_task(void)
#endif
{
uint8_t i;
uint8_t max_lun;
uint32_t capacity;
#ifdef FREERTOS_USED
portTickType xLastWakeTime;
xLastWakeTime = xTaskGetTickCount();
while (true)
{
vTaskDelayUntil(&xLastWakeTime, configTSK_USB_HHID_KBD_PERIOD);
#endif // FREERTOS_USED
// First, check the host controller is in full operating mode with the
// B-device attached and enumerated
if (Is_host_ready())
{
// Display Start-of-Frame counter on LEDs
LED_Display_Field(LED_MONO0_GREEN |
LED_MONO1_GREEN |
LED_MONO2_GREEN |
LED_MONO3_GREEN,
sof_cnt >> 5);
// New device connection (executed only once after device connection)
if (ms_new_device_connected)
{
ms_new_device_connected = false;
// For all supported interfaces
for (i = 0; i < Get_nb_supported_interface(); i++)
{
// If mass-storage class
if (Get_class(i) == MS_CLASS)
{
ms_connected = true;
LOG_STR(log_ms_dev_connected);
// Get correct physical pipes associated with IN/OUT endpoints
if (Is_ep_in(i, 0))
{ // Yes, associate it with the IN pipe
g_pipe_ms_in = Get_ep_pipe(i, 0);
g_pipe_ms_out = Get_ep_pipe(i, 1);
}
else
{ // No, invert...
g_pipe_ms_in = Get_ep_pipe(i, 1);
g_pipe_ms_out = Get_ep_pipe(i, 0);
}
// Get the number of LUNs in the connected mass-storage device
max_lun = host_get_lun();
// Initialize all USB drives
for (host_selected_lun = 0; host_selected_lun < max_lun; host_selected_lun++)
{
host_ms_inquiry();
host_read_capacity(host_selected_lun, &capacity);
host_ms_request_sense();
for (i = 0; i < 3; i++)
{
if (host_test_unit_ready(host_selected_lun) == CTRL_GOOD)
{
host_read_capacity(host_selected_lun, &capacity);
break;
}
}
}
break;
}
}
}
}
#ifdef FREERTOS_USED
}
#endif
}