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host enum task use static control_request variable instead of literal of requests

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increase enum task stack size from 128 to 150 as it comes dangerously close to overflow
This commit is contained in:
hathach 2013-07-04 16:01:20 +07:00
parent 0d37c4a319
commit aed07d83db
1 changed files with 36 additions and 65 deletions
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101
tinyusb/host/usbh.c
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@ -108,7 +108,7 @@ static host_class_driver_t const usbh_class_drivers[TUSB_CLASS_MAPPED_INDEX_END]
usbh_device_info_t usbh_devices[TUSB_CFG_HOST_DEVICE_MAX+1] TUSB_CFG_ATTR_USBRAM; // including zero-address
//------------- Enumeration Task Data -------------//
OSAL_TASK_DEF(enum_task_def, "tinyusb host", usbh_enumeration_task, 128, TUSB_CFG_OS_TASK_PRIO);
OSAL_TASK_DEF(enum_task_def, "tinyusb host", usbh_enumeration_task, 150, TUSB_CFG_OS_TASK_PRIO);
OSAL_QUEUE_DEF(enum_queue_def, ENUM_QUEUE_DEPTH, uint32_t);
osal_queue_handle_t enum_queue_hdl;
STATIC_ uint8_t enum_data_buffer[TUSB_CFG_HOST_ENUM_BUFFER_SIZE] TUSB_CFG_ATTR_USBRAM;
@ -298,36 +298,6 @@ void usbh_device_unplugged_isr(uint8_t hostid)
//--------------------------------------------------------------------+
// ENUMERATION TASK
//--------------------------------------------------------------------+
static tusb_control_request_t request_get_device_desc =
{
.bmRequestType = { .direction = TUSB_DIR_DEV_TO_HOST, .type = TUSB_REQUEST_TYPE_STANDARD, .recipient = TUSB_REQUEST_RECIPIENT_DEVICE },
.bRequest = TUSB_REQUEST_GET_DESCRIPTOR,
.wValue = (TUSB_DESC_TYPE_DEVICE << 8),
.wLength = 8
};
static tusb_control_request_t request_set_addr =
{
.bmRequestType = { .direction = TUSB_DIR_HOST_TO_DEV, .type = TUSB_REQUEST_TYPE_STANDARD, .recipient = TUSB_REQUEST_RECIPIENT_DEVICE },
.bRequest = TUSB_REQUEST_SET_ADDRESS
// .wValue = new_addr
};
static tusb_control_request_t request_get_config_desc =
{
.bmRequestType = { .direction = TUSB_DIR_DEV_TO_HOST, .type = TUSB_REQUEST_TYPE_STANDARD, .recipient = TUSB_REQUEST_RECIPIENT_DEVICE },
.bRequest = TUSB_REQUEST_GET_DESCRIPTOR
// .wValue = (TUSB_DESC_TYPE_CONFIGURATION << 8) | (configure_selected - 1),
// .wLength = 9
};
static tusb_control_request_t request_set_config =
{
.bmRequestType = { .direction = TUSB_DIR_HOST_TO_DEV, .type = TUSB_REQUEST_TYPE_STANDARD, .recipient = TUSB_REQUEST_RECIPIENT_DEVICE },
.bRequest = TUSB_REQUEST_SET_CONFIGURATION,
// .wValue = configure_selected
};
static tusb_error_t enumeration_body_subtask(void);
// To enable the TASK_ASSERT style (quick return on false condition) in a real RTOS, a task must act as a wrapper
@ -351,6 +321,12 @@ tusb_error_t enumeration_body_subtask(void)
static uint8_t new_addr;
static uint8_t configure_selected = 1; // TODO move
static uint8_t *p_desc = NULL; // TODO move
static tusb_control_request_t control_request = {
.bmRequestType = {
.type = TUSB_REQUEST_TYPE_STANDARD,
.recipient = TUSB_REQUEST_RECIPIENT_DEVICE
}
};
OSAL_SUBTASK_BEGIN
@ -374,11 +350,12 @@ tusb_error_t enumeration_body_subtask(void)
#endif
//------------- Get first 8 bytes of device descriptor to get Control Endpoint Size -------------//
request_get_device_desc.wLength = 8;
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( 0, &request_get_device_desc, enum_data_buffer ),
error
);
control_request.bmRequestType.direction = TUSB_DIR_DEV_TO_HOST;
control_request.bRequest = TUSB_REQUEST_GET_DESCRIPTOR;
control_request.wValue = (TUSB_DESC_TYPE_DEVICE << 8);
control_request.wLength = 8;
OSAL_SUBTASK_INVOKED_AND_WAIT( usbh_control_xfer_subtask( 0, &control_request, enum_data_buffer ), error );
SUBTASK_ASSERT_STATUS(error); // TODO some slow device is observed to fail the very fist controler xfer, can try more times
hcd_port_reset( usbh_devices[0].core_id ); // reset port after 8 byte descriptor
@ -387,11 +364,12 @@ tusb_error_t enumeration_body_subtask(void)
new_addr = get_new_address();
SUBTASK_ASSERT(new_addr <= TUSB_CFG_HOST_DEVICE_MAX); // TODO notify application we reach max devices
request_set_addr.wValue = new_addr;
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( 0, &request_set_addr, NULL ),
error
);
control_request.bmRequestType.direction = TUSB_DIR_HOST_TO_DEV;
control_request.bRequest = TUSB_REQUEST_SET_ADDRESS;
control_request.wValue = new_addr;
control_request.wLength = 0;
OSAL_SUBTASK_INVOKED_AND_WAIT( usbh_control_xfer_subtask( 0, &control_request, NULL ), error );
SUBTASK_ASSERT_STATUS(error);
//------------- update port info & close control pipe of addr0 -------------//
@ -408,11 +386,12 @@ tusb_error_t enumeration_body_subtask(void)
SUBTASK_ASSERT_STATUS ( usbh_pipe_control_open(new_addr, ((tusb_descriptor_device_t*) enum_data_buffer)->bMaxPacketSize0 ) );
//------------- Get full device descriptor -------------//
request_get_device_desc.wLength = sizeof(tusb_descriptor_device_t);
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( new_addr, &request_get_device_desc, enum_data_buffer ),
error
);
control_request.bmRequestType.direction = TUSB_DIR_DEV_TO_HOST;
control_request.bRequest = TUSB_REQUEST_GET_DESCRIPTOR;
control_request.wValue = (TUSB_DESC_TYPE_DEVICE << 8);
control_request.wLength = 18;
OSAL_SUBTASK_INVOKED_AND_WAIT( usbh_control_xfer_subtask( new_addr, &control_request, enum_data_buffer ), error );
SUBTASK_ASSERT_STATUS(error);
// update device info TODO alignment issue
@ -424,43 +403,35 @@ tusb_error_t enumeration_body_subtask(void)
SUBTASK_ASSERT(configure_selected <= usbh_devices[new_addr].configure_count); // TODO notify application when invalid configuration
//------------- Get 9 bytes of configuration descriptor -------------//
request_get_config_desc.wValue = (TUSB_DESC_TYPE_CONFIGURATION << 8) | (configure_selected - 1);
request_get_config_desc.wLength = 9;
control_request.wValue = (TUSB_DESC_TYPE_CONFIGURATION << 8) | (configure_selected - 1);
control_request.wLength = 9;
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( new_addr, &request_get_config_desc, enum_data_buffer ),
error
);
OSAL_SUBTASK_INVOKED_AND_WAIT( usbh_control_xfer_subtask( new_addr, &control_request, enum_data_buffer ), error );
SUBTASK_ASSERT_STATUS(error);
SUBTASK_ASSERT_WITH_HANDLER( TUSB_CFG_HOST_ENUM_BUFFER_SIZE > ((tusb_descriptor_configuration_t*)enum_data_buffer)->wTotalLength,
tusbh_device_mount_failed_cb(TUSB_ERROR_USBH_MOUNT_CONFIG_DESC_TOO_LONG, NULL) );
//------------- Get full configuration descriptor -------------//
request_get_config_desc.wValue = (TUSB_DESC_TYPE_CONFIGURATION << 8) | (configure_selected - 1);
request_get_config_desc.wLength = ((tusb_descriptor_configuration_t*) enum_data_buffer)->wTotalLength;
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( new_addr, &request_get_config_desc, enum_data_buffer ),
error
);
control_request.wLength = ((tusb_descriptor_configuration_t*) enum_data_buffer)->wTotalLength;
OSAL_SUBTASK_INVOKED_AND_WAIT( usbh_control_xfer_subtask( new_addr, &control_request, enum_data_buffer ), error );
SUBTASK_ASSERT_STATUS(error);
// update configuration info
usbh_devices[new_addr].interface_count = ((tusb_descriptor_configuration_t*) enum_data_buffer)->bNumInterfaces;
//------------- Set Configure -------------//
request_set_config.wValue = configure_selected;
OSAL_SUBTASK_INVOKED_AND_WAIT (
usbh_control_xfer_subtask( new_addr, &request_set_config, NULL ),
error
);
control_request.bmRequestType.direction = TUSB_DIR_HOST_TO_DEV;
control_request.bRequest = TUSB_REQUEST_SET_CONFIGURATION;
control_request.wValue = configure_selected;
control_request.wLength = 0;
OSAL_SUBTASK_INVOKED_AND_WAIT ( usbh_control_xfer_subtask( new_addr, &control_request, NULL ), error );
SUBTASK_ASSERT_STATUS(error);
usbh_devices[new_addr].state = TUSB_DEVICE_STATE_CONFIGURED;
//------------- TODO Get String Descriptors -------------//
//------------- parse configuration & install drivers -------------//
p_desc = enum_data_buffer + sizeof(tusb_descriptor_configuration_t);