PD Buddy Sink Firmware
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pdb_prl.h 1.8KB

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  1. /*
  2. * PD Buddy - USB Power Delivery for everyone
  3. * Copyright (C) 2017 Clayton G. Hobbs <clay@lakeserv.net>
  4. *
  5. * This program is free software: you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License as published by
  7. * the Free Software Foundation, either version 3 of the License, or
  8. * (at your option) any later version.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17. */
  18. #ifndef PDB_PRL_H
  19. #define PDB_PRL_H
  20. #include <stdint.h>
  21. #include <ch.h>
  22. #include "pdb_conf.h"
  23. /*
  24. * Structure for the protocol layer threads and variables
  25. */
  26. struct pdb_prl {
  27. /* RX thread and working area */
  28. THD_WORKING_AREA(_rx_wa, PDB_PRLRX_WA_SIZE);
  29. thread_t *rx_thread;
  30. /* TX thread and working area */
  31. THD_WORKING_AREA(_tx_wa, PDB_PRLTX_WA_SIZE);
  32. thread_t *tx_thread;
  33. /* Hard reset thread and working area */
  34. THD_WORKING_AREA(_hardrst_wa, PDB_HARDRST_WA_SIZE);
  35. thread_t *hardrst_thread;
  36. /* TX mailbox for PD messages to be transmitted */
  37. mailbox_t tx_mailbox;
  38. /* The ID of the last message received */
  39. int8_t _rx_messageid;
  40. /* The message being worked with by the RX thread */
  41. union pd_msg *_rx_message;
  42. /* The ID of the next message we will transmit */
  43. int8_t _tx_messageidcounter;
  44. /* The message being worked with by the TX thread */
  45. union pd_msg *_tx_message;
  46. /* Queue for the TX mailbox */
  47. msg_t _tx_mailbox_queue[PDB_MSG_POOL_SIZE];
  48. };
  49. #endif /* PDB_PRL_H */