69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
#include "sb16.h"
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/* State management variables. */
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EXTERN int is_processing;
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EXTERN int is_status_msg_expected;
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/* Custom states definition. */
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#define SB16_STATE_PROCESSING_PROTOCOL_FREE (SEF_LU_STATE_CUSTOM_BASE + 0)
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#define SB16_STATE_IS_CUSTOM(s) \
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((s) == SB16_STATE_PROCESSING_PROTOCOL_FREE)
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/*===========================================================================*
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* sef_cb_lu_prepare *
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*===========================================================================*/
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PUBLIC int sef_cb_lu_prepare(int state)
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{
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int is_ready;
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/* Check if we are ready for the target state. */
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is_ready = FALSE;
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switch(state) {
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/* Standard states. */
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case SEF_LU_STATE_REQUEST_FREE:
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is_ready = TRUE;
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break;
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case SEF_LU_STATE_PROTOCOL_FREE:
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is_ready = (!is_processing && !is_status_msg_expected);
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break;
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/* Custom states. */
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case SB16_STATE_PROCESSING_PROTOCOL_FREE:
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is_ready = (!is_processing);
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break;
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}
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/* Tell SEF if we are ready. */
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return is_ready ? OK : ENOTREADY;
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}
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/*===========================================================================*
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* sef_cb_lu_state_isvalid *
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*===========================================================================*/
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PUBLIC int sef_cb_lu_state_isvalid(int state)
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{
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return SEF_LU_STATE_IS_STANDARD(state) || SB16_STATE_IS_CUSTOM(state);
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}
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/*===========================================================================*
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* sef_cb_lu_state_dump *
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*===========================================================================*/
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PUBLIC void sef_cb_lu_state_dump(int state)
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{
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sef_lu_dprint("sb16: live update state = %d\n", state);
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sef_lu_dprint("sb16: is_processing = %d\n", is_processing);
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sef_lu_dprint("sb16: is_status_msg_expected = %d\n",
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is_status_msg_expected);
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sef_lu_dprint("sb16: SEF_LU_STATE_WORK_FREE(%d) reached = %d\n",
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SEF_LU_STATE_WORK_FREE, TRUE);
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sef_lu_dprint("sb16: SEF_LU_STATE_REQUEST_FREE(%d) reached = %d\n",
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SEF_LU_STATE_REQUEST_FREE, TRUE);
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sef_lu_dprint("sb16: SEF_LU_STATE_PROTOCOL_FREE(%d) reached = %d\n",
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SEF_LU_STATE_PROTOCOL_FREE, (!is_processing && !is_status_msg_expected));
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sef_lu_dprint("sb16: SB16_STATE_PROCESSING_PROTOCOL_FREE(%d) reached = %d\n",
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SB16_STATE_PROCESSING_PROTOCOL_FREE, (!is_processing));
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}
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