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add dcd control pipe stall protocol

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This commit is contained in:
hathach
2013-10-30 12:52:25 +07:00
parent d67a7b7959
commit b8a7ea6d46
3 changed files with 28 additions and 3 deletions
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tinyusb/device/dcd.h
+2 -1
View File
@@ -83,13 +83,14 @@ void dcd_controller_set_configuration(uint8_t coreid, uint8_t config_num);
//------------- PIPE API -------------//
tusb_error_t dcd_pipe_control_xfer(uint8_t coreid, tusb_direction_t dir, void * buffer, uint16_t length);
void dcd_pipe_control_stall(uint8_t coreid);
//tusb_error_t dcd_pipe_control_write(uint8_t coreid, void const * buffer, uint16_t length);
//tusb_error_t dcd_pipe_control_read(uint8_t coreid, void * buffer, uint16_t length);
//void dcd_pipe_control_write_zero_length(uint8_t coreid);
endpoint_handle_t dcd_pipe_open(uint8_t coreid, tusb_descriptor_endpoint_t const * p_endpoint_desc) ATTR_WARN_UNUSED_RESULT;
tusb_error_t dcd_pipe_xfer(endpoint_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes, bool int_on_complete) ATTR_WARN_UNUSED_RESULT;
tusb_error_t dcd_pipe_xfer(endpoint_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes, bool int_on_complete) ATTR_WARN_UNUSED_RESULT;
#ifdef __cplusplus
}
tinyusb/device/dcd_lpc43xx.c
+7 -2
View File
@@ -72,7 +72,7 @@ typedef struct {
volatile uint32_t halted : 1 ;
volatile uint32_t active : 1 ;
uint32_t : 2 ;
uint32_t mult_override : 2 ; ///< This field can be used for transmit ISOs to override the MULT field in the dQH. This field must be zero for all packet types that are not transmit-ISO.
uint32_t iso_mult_override : 2 ; ///< This field can be used for transmit ISOs to override the MULT field in the dQH. This field must be zero for all packet types that are not transmit-ISO.
uint32_t : 3 ;
uint32_t int_on_complete : 1 ;
volatile uint32_t total_bytes : 15 ;
@@ -94,7 +94,7 @@ typedef struct {
uint32_t max_package_size : 11 ; ///< This directly corresponds to the maximum packet size of the associated endpoint (wMaxPacketSize)
uint32_t : 2 ;
uint32_t zero_length_termination : 1 ; ///< This bit is used for non-isochronous endpoints to indicate when a zero-length packet is received to terminate transfers in case the total transfer length is “multiple”. 0 - Enable zero-length packet to terminate transfers equal to a multiple of Max_packet_length (default). 1 - Disable zero-length packet on transfers that are equal in length to a multiple Max_packet_length.
uint32_t mult : 2 ; ///<
uint32_t iso_mult : 2 ; ///<
uint32_t : 0 ;
// Word 1: Current qTD Pointer
@@ -291,6 +291,11 @@ static void qtd_init(dcd_qtd_t* p_qtd, void * data_ptr, uint16_t total_bytes)
}
}
void dcd_pipe_control_stall(uint8_t coreid)
{
LPC_USB0->ENDPTCTRL0 |= (ENDPTCTRL_MASK_STALL << 16); // stall Control IN
}
tusb_error_t dcd_pipe_control_xfer(uint8_t coreid, tusb_direction_t dir, void * buffer, uint16_t length)
{
uint8_t const endpoint_data = (dir == TUSB_DIR_DEV_TO_HOST) ? 1 : 0; // IN xfer --> data phase on Control IN, other Control OUT