*/
ao_delay(AO_SEC_TO_TICKS(3));
+#if HAS_BEEP
+ ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200));
+#endif
+
/*
* The first time we connect, the BTM-180 comes up at 19200 baud.
* After that, it will remember and come up at 57600 baud. So, see
__xdata struct ao_task ao_btm_task;
+#if BT_LINK_ON_P2
+#define BT_PICTL_ICON PICTL_P2ICON
+#define BT_PIFG P2IFG
+#define BT_PDIR P2DIR
+#define BT_PINP P2INP
+#define BT_IEN2_PIE IEN2_P2IE
+#endif
+#if BT_LINK_ON_P1
+#define BT_PICTL_ICON PICTL_P1ICON
+#define BT_PIFG P1IFG
+#define BT_PDIR P1DIR
+#define BT_PINP P1INP
+#define BT_IEN2_PIE IEN2_P1IE
+#endif
+
void
ao_btm_check_link() __critical
{
- if (P2_1) {
+ /* Check the pin and configure the interrupt detector to wait for the
+ * pin to flip the other way
+ */
+ if (BT_LINK_PIN) {
ao_btm_connected = 0;
- PICTL |= PICTL_P2ICON;
+ PICTL |= BT_PICTL_ICON;
} else {
ao_btm_connected = 1;
- PICTL &= ~PICTL_P2ICON;
+ PICTL &= ~BT_PICTL_ICON;
}
}
void
ao_btm_isr(void)
+#if BT_LINK_ON_P1
+ __interrupt 15
+#endif
{
- if (P2IFG & (1 << 1)) {
+#if BT_LINK_ON_P1
+ P1IF = 0;
+#endif
+ if (BT_PIFG & (1 << BT_LINK_PIN_INDEX)) {
ao_btm_check_link();
ao_wakeup(&ao_btm_connected);
}
- P2IFG = 0;
+ BT_PIFG = 0;
}
void
ao_serial_init();
ao_serial_set_speed(AO_SERIAL_SPEED_19200);
+#if BT_LINK_ON_P1
+ /*
+ * Configure ser reset line
+ */
+
+ P1_6 = 0;
+ P1DIR |= (1 << 6);
+#endif
+
/*
* Configure link status line
*/
- /* Set P2_1 to input, pull-down */
- P2DIR &= ~(1 << 1);
- P2INP |= P2INP_MDP2_1_TRISTATE;
+ /* Set pin to input */
+ BT_PDIR &= ~(1 << BT_LINK_PIN_INDEX);
+
+ /* Set pin to tri-state */
+ BT_PINP |= (1 << BT_LINK_PIN_INDEX);
- /* Enable P2 interrupts */
- IEN2 |= IEN2_P2IE;
+ /* Enable interrupts */
+ IEN2 |= BT_IEN2_PIE;
+
+ /* Check current pin state */
ao_btm_check_link();
+
+#if BT_LINK_ON_P2
+ /* Eable the pin interrupt */
PICTL |= PICTL_P2IEN;
+#endif
+#if BT_LINK_ON_P1
+ /* Enable pin interrupt */
+ P1IEN |= (1 << BT_LINK_PIN_INDEX);
+#endif
ao_add_task(&ao_btm_task, ao_btm, "bt");
}