Enable packet-based communcation to command processor

[fw/altos] / src / ao.h

diff --git a/src/ao.h b/src/ao.h
index e2f137bdafd02eb7aeac390a3123c6bd75d20a7a..65a594c0529ebd8413d1fd6592f3c878673cf6f2 100644 (file)
--- a/src/ao.h
+++ b/src/ao.h
@@ -106,6 +106,7 @@ ao_start_scheduler(void);
 #define AO_PANIC_EE            4       /* Mis-using eeprom API */
 #define AO_PANIC_LOG           5       /* Failing to read/write log data */
 #define AO_PANIC_CMD           6       /* Too many command sets registered */
+#define AO_PANIC_STDIO         7       /* Too many stdio handlers registered */
 
 /* Stop the operating system, beeping and blinking the reason */
 void
@@ -873,9 +874,24 @@ ao_monitor_init(uint8_t led, uint8_t monitoring) __reentrant;
  * ao_stdio.c
  */
 
+#define AO_READ_AGAIN  ((char) -1)
+
+struct ao_stdio {
+       char    (*pollchar)(void);
+       void    (*putchar)(char c) __reentrant;
+       void    (*flush)(void);
+};
+
 void
 flush(void);
 
+extern __xdata uint8_t ao_stdin_ready;
+
+void
+ao_add_stdio(char (*pollchar)(void),
+            void (*putchar)(char) __reentrant,
+            void (*flush)(void));
+
 /*
  * ao_ignite.c
  */
@@ -981,7 +997,7 @@ struct ao_fifo {
  */
 
 #define AO_PACKET_MAX  8
-#define AO_PACKET_SYN          0xff
+#define AO_PACKET_SYN          (uint8_t) 0xff
 
 struct ao_packet {
        uint8_t         addr;
@@ -997,7 +1013,42 @@ struct ao_packet_recv {
        uint8_t                 status;
 };
 
+extern __xdata struct ao_packet_recv ao_rx_packet;
+extern __xdata struct ao_packet ao_tx_packet;
+extern __xdata struct ao_task  ao_packet_task;
+extern __xdata uint8_t ao_packet_enable;
+extern __xdata uint8_t ao_packet_master_sleeping;
+extern __pdata uint8_t ao_packet_rx_len, ao_packet_rx_used, ao_packet_tx_used;
+
+void
+ao_packet_send(void);
+
+uint8_t
+ao_packet_recv(void);
+
+void
+ao_packet_flush(void);
+
+void
+ao_packet_putchar(char c) __reentrant;
+
+char
+ao_packet_pollchar(void) __critical;
+
+/* ao_packet_master.c */
+
+void
+ao_packet_master_init(void);
+
+/* ao_packet_slave.c */
+
+void
+ao_packet_slave_start(void);
+
+void
+ao_packet_slave_stop(void);
+
 void
-ao_packet_init(void);
+ao_packet_slave_init(void);
 
 #endif /* _AO_H_ */