59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
#ifndef __COMMAND_H__
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#define __COMMAND_H__
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#include "packet/serial_packet.h"
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enum _command_state
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{
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kCommandState_CommandPhase,
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kCommandState_DataPhase,
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kCommandState_DataPhaseRead,
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kCommandState_DataPhaseWrite
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};
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typedef enum _buspal_state
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{
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kBuspal_Idle,
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kBuspal_I2c,
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} buspal_state_t;
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typedef struct CommandHandlerEntry
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{
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void (*handleCommand)(uint8_t *packet, uint32_t packetLength);
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status_t (*handleData)(bool *hasMoreData);
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} command_handler_entry_t;
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typedef struct CommandProcessorData {
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int32_t state; // Current state machine state
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uint8_t *packet; // Pointer to packet in process
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uint32_t packetLength; // Length of packet in process
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struct DataPhase {
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uint8_t *data; // Data for data phase
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uint32_t count; // Remaining count to produce/consume
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uint32_t address; // Address for data phase
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uint32_t dataBytesAvailable; // Number of bytes available at data pointer
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uint8_t commandTag; // Tag of command running data phase
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uint8_t option; // Option for special command
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} dataPhase;
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const command_handler_entry_t *handlerEntry; // Pointer to handler table entry for packet in process
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} command_processor_data_t;
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// Interface to command processor operations.
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typedef struct CommandInterface {
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status_t (*init)(void);
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status_t (*pump)(void);
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const command_handler_entry_t *handlerTable;
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command_processor_data_t *stateData;
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} command_interface_t;
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// Default command interface.
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extern command_interface_t g_commandInterface;
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// Initialize the command processor component.
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status_t bootloader_command_init(void);
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// Pump the command state machine. Executes one command or data phase transaction.
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status_t bootloader_command_pump(void);
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#endif
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