#define _XBEE_USER_H_
#include <callout.h>
+#include <xbee_rxtx.h>
+
+#define XBEE_USER_RETCODE_OK 0
+#define XBEE_USER_RETCODE_BAD_FRAME 1
+#define XBEE_USER_RETCODE_TIMEOUT 2
+
+/* called when we receive an answer to a query */
+typedef int8_t (xbee_user_rx_cb_t)(int8_t code, void *frame,
+ unsigned len, void *arg);
/* used for timeouts and xbee rx callback */
struct xbee_ctx {
- int foreground;
int channel;
- char atcmd_query[2];
- int (*func)(void *frame, unsigned len, void *arg);
+ char atcmd_query[2]; /* 00 is it's data */
+ xbee_user_rx_cb_t *rx_cb;
void *arg;
struct callout timeout;
};
//extern cmdline_parse_ctx_t main_ctx;
extern struct xbee_dev *xbee_dev;
extern int xbee_raw;
-extern int xbee_hexdump;
-extern int xbee_debug;
+/* we use a specific structure to send packets. It allows to prepend some
+ * data in the frame without doing a copy. */
+struct xbeeapp_pkt {
+ char *buf;
+ unsigned len;
+ unsigned headroom;
+ unsigned tailroom;
+};
+
+/* Write in a human readable format the content of an atcmd response frame. It
+ * assumes the frame is valid .*/
+void atresp_to_str(char *buf, unsigned len, const struct xbee_atresp_hdr *frame);
+
+/* callback registered to xbee module, called when a xbee frame is received */
int8_t xbeeapp_rx(struct xbee_dev *dev, int channel, int type,
- void *frame, unsigned len, void *opaque);
-int xbeeapp_send_atcmd(const char *atcmd_str,
- void *param, unsigned param_len, int foreground,
- int (*func)(void *frame, unsigned len, void *arg),
- void *arg);
-int xbeeapp_send_msg(uint64_t addr, void *data,
- unsigned data_len, int foreground);
+ void *frame, unsigned len, void *opaque);
+
+/* Send an AT command to the xbee device. The callback function for the answer
+ * is given as a parameter */
+int xbeeapp_send_atcmd(char *atcmd_str, void *param,
+ unsigned param_len, xbee_user_rx_cb_t *rx_cb, void *arg);
+
+/* send a message to a peer */
+int xbeeapp_send_msg(uint64_t addr, struct xbee_msg *msg,
+ xbee_user_rx_cb_t *rx_cb, void *arg);
void xbee_stdin_enable(void);
void xbee_stdin_disable(void);
void xbee_mainloop(void);
+void xbeeapp_init(void);
+
#endif /* _XBEE_USER_H_ */