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316 lines
7.4 KiB
316 lines
7.4 KiB
#ifndef __TASK_PD_H__
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#define __TASK_PD_H__
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#include "task_define.h"
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#define MAX_VOLTAGE 12
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#define tTypeCSinkWaitCap 620
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typedef enum
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{
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PE_SNK_Startup = 0,
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PE_SNK_Discovery,
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PE_SNK_Wait_for_Capability,
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PE_SNK_Evaluate_Capability,
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PE_SNK_Select_Capability,
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PE_SNK_Transition_Sink,
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PE_SNK_Ready,
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PE_SNK_Give_Sink_Cap,
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PE_SNK_Get_Source_Cap,
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PE_SNK_Hard_Reset,
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PE_SNK_Transition_to_default,
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} e_pd_status;
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typedef enum
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{
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pd_entry_status,
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pd_during_status,
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pd_exit_status,
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} e_pd_sub_status;
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typedef enum
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{
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No_Event = 0,
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Protocol_Layer_Reset,
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Vbus_Present,
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Source_Cap_Msg_Received,
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Response_Received,
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Accept_Msg_Received,
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PS_RDY_Msg_Received,
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GotoMin_Msg_Received,
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Get_Sink_Cap_Msg_Received,
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Sink_Cap_Msg_Sent,
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Get_Source_Cap_Msg_Sent,
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Update_Remote_Cap_Msg_Received,
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No_Contract_and_Reject_Msg_Reseived,
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No_Contract_and_Wait_Msg_Received,
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Contract_and_Reject_Msg_Reseived,
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Contract_and_Wait_Msg_Received,
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New_Pwr_Requestd,
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Sink_Request_Timeout,
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Sink_PPS_Period_Timout,
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Protocol_Error,
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Sender_Response_Timout,
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Hard_Reset_Complete,
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Power_Sink_Default,
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} e_pd_event;
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typedef union
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{
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uint16_t data16;
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struct
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{
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uint8_t byte1; //high byte
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uint8_t byte0;
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} bytes;
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struct
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{
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uint16_t MessageType: 5;
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uint16_t PortDataRole: 1;
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uint16_t SpecificationRevision: 2;
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uint16_t PortPowerRole: 1;
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uint16_t MessageID: 3;
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uint16_t NumOfDataObjects: 3;
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uint16_t Extended: 1;
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} bits;
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} s_pd_msg_header;
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typedef union
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{
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uint16_t data16;
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struct
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{
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uint8_t byte1; //high byte
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uint8_t byte0;
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} bytes;
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struct
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{
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uint16_t DataSize: 9;
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uint16_t Reserved: 1;
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uint16_t RequestChunk: 1;
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uint16_t ChunkNumber: 4;
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uint16_t Chunked: 1;
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} bits;
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} s_pd_ext_msg_header;
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typedef enum
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{
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none = 0,
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pd_ctrl_msg,
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pd_data_msg,
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pd_ext_msg,
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} e_pd_msg_type;
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typedef enum
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{
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pd_sink = 0,
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pd_source,
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} e_pd_pwr_role;
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typedef enum
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{
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pd_UFP = 0,
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pd_DFP,
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} e_pd_data_role;
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typedef enum
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{
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Ctrl_Reserved = 0,
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Ctrl_GoodCRC = 1,
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Ctrl_GotoMin = 2,
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Ctrl_Accept = 3,
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Ctrl_Reject = 4,
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Ctrl_Ping = 5,
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Ctrl_PS_RDY = 6,
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Ctrl_Get_Source_Cap = 7,
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Ctrl_Get_Sink_Cap = 8,
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Ctrl_DR_Swap = 9,
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Ctrl_PR_Swap = 10,
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Ctrl_VCONN_Swap = 11,
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Ctrl_Wait = 12,
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Ctrl_Soft_Reset = 13,
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Ctrl_Not_Supported = 16,
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Ctrl_Get_Source_Cap_Extended = 17,
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Ctrl_Status = 18,
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Ctrl_FR_Swap = 19,
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Ctrl_Get_PPS_Status = 20,
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Ctrl_Get_Country_Codes = 21,
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Ctrl_Sink_Cap_Extended = 22,
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} e_pd_ctrl_msg_type;
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typedef enum
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{
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Data_Reserved = 0,
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Data_Source_Cap = 1,
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Data_Request = 2,
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Data_BIST = 3,
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Data_Sink_Cap = 4,
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Data_Battery_Status = 5,
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Data_Alert = 6,
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Data_Get_Country_Info = 7,
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Data_Vendor_Defined = 15,
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} e_pd_data_msg_type;
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typedef struct
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{
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uint16_t SenderResponseTimer;
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uint16_t SourceCapabilityTimer;
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uint16_t SinkWaitCapTimer;
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uint16_t SinkRequestTimer;
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uint16_t PSTransitionTimer;
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uint16_t PSSourceOffTimer;
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uint16_t PSSourceOnTimer;
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uint16_t NoResponseTimer;
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uint16_t swapSourceStartTimer;
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uint16_t BISTContModeTimer;
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uint16_t SwapSourceStartTimer;
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uint16_t HardResetCompleteTimer;
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uint16_t PSHardResetTimer;
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uint16_t VDMResponseTimer;
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uint16_t VDMModeEntryTimer;
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uint16_t VDMModeExitTimer;
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uint16_t VCONNOnTimer;
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uint16_t DiscoverIdentityTimer;
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uint16_t SinkTxTimer;
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uint16_t ChunkingNotSupportedTimer;
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uint16_t ChunkSenderRequestTimer;
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uint16_t ChunkSenderResponseTimer;
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uint16_t SinkPPSPeriodicTimer;
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uint16_t SourcePPSCommTimer;
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uint16_t CRCReceiveTimer;
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} s_pd_timers;
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typedef struct
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{
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uint8_t SenderResponseTimer_Mask;
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uint8_t SourceCapabilityTimer_Mask;
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uint8_t SinkWaitCapTimer_Mask;
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uint8_t SinkRequestTimer_Mask;
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uint8_t PSTransitionTimer_Mask;
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uint8_t PSSourceOffTimer_Mask;
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uint8_t PSSourceOnTimer_Mask;
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uint8_t NoResponseTimer_Mask;
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uint8_t swapSourceStartTimer_Mask;
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uint8_t BISTContModeTimer_Mask;
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uint8_t SwapSourceStartTimer_Mask;
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uint8_t HardResetCompleteTimer_Mask;
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uint8_t PSHardResetTimer_Mask;
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uint8_t VDMResponseTimer_Mask;
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uint8_t VDMModeEntryTimer_Mask;
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uint8_t VDMModeExitTimer_Mask;
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uint8_t VCONNOnTimer_Mask;
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uint8_t DiscoverIdentityTimer_Mask;
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uint8_t SinkTxTimer_Mask;
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uint8_t ChunkingNotSupportedTimer_Mask;
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uint8_t ChunkSenderRequestTimer_Mask;
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uint8_t ChunkSenderResponseTimer_Mask;
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uint8_t SinkPPSPeriodicTimer_Mask;
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uint8_t SourcePPSCommTimer_Mask;
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uint8_t CRCReceiveTimer_Mask;
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} s_pd_timers_mask;
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typedef struct
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{
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uint8_t CapsCounter;
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uint8_t DiscoverIdentityCounter;
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uint8_t HardResetCounter;
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uint8_t MessageIDCounter;
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uint8_t RetryCounter;
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uint8_t VDMBusyCounter;
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} s_pd_counters;
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typedef union
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{
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uint32_t data32;
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uint8_t byte[4];
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struct
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{
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uint8_t Max_Current_10mV_L8: 8;
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uint8_t Max_Current_10mV_H2: 2;
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uint8_t Voltage_50mV_L6: 6;
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uint8_t Voltage_50mV_H4: 4;
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uint8_t Peak_Current: 2;
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uint8_t Reserved: 2;
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uint8_t Unchunked_Msg_Supported: 1;
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uint8_t Dual_Role_Data: 1;
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uint8_t USB_Comm_Capable: 1;
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uint8_t Unconstrained_Pwr: 1;
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uint8_t USB_Suspend_Supported: 1;
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uint8_t Dual_Role_Pwr: 1;
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uint8_t Fixed_Supply: 2;
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} s_FPS_PDO_bits;
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struct
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{
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uint8_t Max_Current_10mV_L8: 8;
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uint8_t Max_Current_10mV_H2: 2;
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uint8_t Opt_Current_10mV_L6: 6;
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uint8_t Opt_Current_10mV_H4: 4;
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uint8_t Reserved1: 3;
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uint8_t Unchunked_Msg_Supported: 1;
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uint8_t No_USB_Suspend: 1;
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uint8_t USB_Comm_Capable: 1;
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uint8_t Cap_Mismatch: 1;
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uint8_t Give_Back_Flag: 1;
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uint8_t Object_Position: 3;
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uint8_t Reserved2: 1;
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} s_FPR_PDO_bits;
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} u_pd_pdos_raw;
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typedef struct
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{
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uint16_t voltage;
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uint16_t max_current;
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} s_pd_pdos;
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extern uint8_t pd_int_flag;
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extern s_pd_timers pd_timers;
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extern s_pd_timers_mask pd_timers_mask;
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void pd_init(void);
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void pd_run(void);
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static void pd_event_detect(void);
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static void get_pd_pkt(void);
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static void get_ctrl_msg_pkt(void);
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static void get_data_msg_pkt(void);
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static void get_ext_data_msg_pkt(void);
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static void analyse_src_cap_pkt(void);
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static void PE_SNK_Startup_action(void);
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static void PE_SNK_Discovery_action(void);
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static void PE_SNK_Wait_for_Capabilities_action(void);
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static void PE_SNK_Evaluate_Capabilities_action(void);
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static void PE_SNK_Select_Capability_action(void);
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static void PE_SNK_Transition_Sink_action(void);
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static void PE_SNK_Ready_action(void);
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static void PE_SNK_Give_Sink_Cap_action(void);
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static void PE_SNK_Get_Source_Cap_action(void);
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static void PE_SNK_Hard_Reset_action(void);
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static void PE_SNK_Transition_to_default_action(void);
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static void pd_reset_protocol_layer(void);
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static void pd_init_timer(uint16_t* timer, uint8_t* mask);
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static void pd_reset_timer(uint16_t* timer, uint8_t* mask);
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static void pd_init_counter(uint8_t* counter);
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static void pd_reset_counter(uint8_t* counter);
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static void pd_send_hardreset(void);
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static void pd_pwr_req_pkt_assmble(void);
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static void pd_req_pwr_evaluate(void);
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static void send_pd_pkt(uint8_t *pd_send_pkt, uint8_t length);
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#endif
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