void rn42_init(void)
{
- // PF1: check RTS(active low)
- DDRF &= ~(1<<1);
- PORTF &= ~(1<<1);
-
// PF7: BT connection control(HiZ: connect, low: disconnect)
// JTAG disable for PORT F. write JTD bit twice within four cycles.
MCUCR |= (1<<JTD);
MCUCR |= (1<<JTD);
rn42_autoconnect();
- // PD5: CTS (low: allow to send, high:not allowed)
+ // PF1: RTS(low: allowed to send, high: not allowed)
+ DDRF &= ~(1<<1);
+ PORTF &= ~(1<<1);
+
+ // PD5: CTS(low: allow to send, high:not allow)
DDRD |= (1<<5);
PORTD &= ~(1<<5);
serial_send(c);
}
+bool rn42_autoconnecting(void)
+{
+ // GPIO6 for control connection(high: auto connect, low: disconnect)
+ // Note that this needs config: SM,4(Auto-Connect DTR Mode)
+ return (PORTF & (1<<7) ? true : false);
+}
+
void rn42_autoconnect(void)
{
- DDRF &= ~(1<<7);
- PORTF &= ~(1<<7);
+ // hi to auto connect
+ DDRF |= (1<<7);
+ PORTF |= (1<<7);
}
void rn42_disconnect(void)
{
+ // low to disconnect
DDRF |= (1<<7);
PORTF &= ~(1<<7);
}
-bool rn42_ready(void)
+bool rn42_rts(void)
+{
+ // low when RN-42 is powered and ready to receive
+ return PINF&(1<<1);
+}
+
+void rn42_cts_hi(void)
{
- // RTS low
- return PINF&(1<<1) ? false : true;
+ // not allow to send
+ PORTD |= (1<<5);
+}
+
+void rn42_cts_lo(void)
+{
+ // allow to send
+ PORTD &= ~(1<<5);
}
static void send_keyboard(report_keyboard_t *report)
{
// wake from deep sleep
+/*
PORTD |= (1<<5); // high
wait_ms(5);
PORTD &= ~(1<<5); // low
+*/
serial_send(0xFD); // Raw report mode
serial_send(9); // length
static void send_mouse(report_mouse_t *report)
{
// wake from deep sleep
+/*
PORTD |= (1<<5); // high
wait_ms(5);
PORTD &= ~(1<<5); // low
+*/
serial_send(0xFD); // Raw report mode
serial_send(5); // length