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#include "stream.h"
/*
*
* Dataflow Status Enumeration
*
* This typedef governs the dataflow state machine. Enums should be self explanatory
*
* TODO Handle other DF pathways for slave RX datapoint and slave RX command
*
* |------------+-----+----------------------------------------+---------------------+-------------------------|
* | Status | Int | Status Invariant | Action | Next Status |
* |------------+-----+----------------------------------------+---------------------+-------------------------|
* | DF_IDLE | 0 | Ready to send m2s_SOR | Send m2s_SOR | DF_RX_DOC or ??? |
* | DF_RX_DOC | 1 | Sent m2s_SOR; ready to receive s2m_DOC | Receive s2m_DOC | DF_CTS |
* | DF_CTS | 2 | Received m2s_SOR; ready to send DF_CTS | Send m2s_CTS | DF_RX_DATA or DF_RX_CMD |
* | DF_RX_DATA | 3 | Sent m2s_CTS; receive s2m_data | Receive s2m_data | DF_SUCCESS |
* | DF_RX_CMD | 4 | sent m2s_CTS receive s2m_command | Receive s2m_command | DF_SUCCESS |
* |------------+-----+----------------------------------------+---------------------+-------------------------|
*
*
*/
typedef enum dataflow_status {
DF_IDLE = 0,
DF_RX_DOC = 1,
DF_CTS = 2,
DF_RX_DATA = 3,
DF_RX_CMD = 4,
DF_SUCCESS = 5,
DF_FAIL = 6,
DF_TX_DATA = 7,
DF_TX_CMD = 8
} dataflow_status_t;
typedef enum SOR_codes {
SLAVE_TX = 1,
SLAVE_RX_DATAPOINT = 2,
SLAVE_RX_COMMAND = 3
} SOR_codes_t;
typedef enum DOC_codes {
CMD_UNICAST = 0x1,
CMD_MULTICAST = 0x2,
CMD_BROADCAST = 0x3,
RESERVED = 0x4,
DATA = 0x5
} DOC_codes_t;
#define EXPAND_AS_ENUM(a, b) a,
#define EXPAND_AS_JUMPTABLE(a, b) b,
#define EXPAND_DF_PROTOTYPES(a, b) int b(p_stream_t, void**);
#define DF_STATE_TABLE(ENTRY) \
ENTRY(DF_IDLE, DF_func_idle) \
ENTRY(DF_RX_DOC, DF_rx_doc) \
ENTRY(DF_RX_DATA, DF_rx_data) \
ENTRY(DF_RX_CMD, DF_rx_cmd) \
ENTRY(DF_TX_DATA, DF_tx_data) \
ENTRY(DF_TX_CMD, DF_tx_cmd)
enum {
/* DF_STATE_TABLE(EXPAND_AS_ENUM) */
/* NUM_DF_STATES, */
DF_STATE_FAIL,
DF_STATE_SUCCESS
};
typedef int (*df_func_t)(p_stream_t, void**);
DF_STATE_TABLE(EXPAND_DF_PROTOTYPES);
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