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_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
}
