The prototype used P2_1, while the real hardware uses P1_7. Lots of
defines to make this work...
Signed-off-by: Keith Packard <keithp@keithp.com>
__xdata struct ao_task ao_btm_task;
__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
{
void
ao_btm_check_link() __critical
{
+ /* Check the pin and configure the interrupt detector to wait for the
+ * pin to flip the other way
+ */
+ if (BT_LINK_PIN) {
+ PICTL |= BT_PICTL_ICON;
} else {
ao_btm_connected = 1;
} else {
ao_btm_connected = 1;
- PICTL &= ~PICTL_P2ICON;
+ PICTL &= ~BT_PICTL_ICON;
}
}
void
ao_btm_isr(void)
{
}
}
void
ao_btm_isr(void)
{
- if (P2IFG & (1 << 1)) {
+ if (BT_PIFG & (1 << BT_LINK_PIN_INDEX)) {
ao_btm_check_link();
ao_wakeup(&ao_btm_connected);
}
ao_btm_check_link();
ao_wakeup(&ao_btm_connected);
}
* Configure link status line
*/
* 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 */
+
+#if BT_LINK_ON_P2
+ /* Eable the pin interrupt */
+#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");
}
ao_add_task(&ao_btm_task, ao_btm, "bt");
}
#define SPI_CS_ON_P1 1
#define SPI_CS_ON_P0 0
#define HAS_IGNITE 0
#define SPI_CS_ON_P1 1
#define SPI_CS_ON_P0 0
#define HAS_IGNITE 0
+ #define BT_LINK_ON_P2 1
+ #define BT_LINK_ON_P1 0
+ #define BT_LINK_PIN_INDEX 7
+ #define BT_LINK_PIN P2_1
#endif
#if defined(TELEBT_V_0_1)
#endif
#if defined(TELEBT_V_0_1)
#define M25_MAX_CHIPS 1
#define HAS_ACCEL 0
#define HAS_IGNITE 0
#define M25_MAX_CHIPS 1
#define HAS_ACCEL 0
#define HAS_IGNITE 0
+ #define BT_LINK_ON_P2 0
+ #define BT_LINK_ON_P1 1
+ #define BT_LINK_PIN_INDEX 7
+ #define BT_LINK_PIN P1_7