OpenModem/hardware/Bluetooth.c
2019-02-04 17:02:19 +01:00

60 lines
1.2 KiB
C

#include "Bluetooth.h"
#include <avr/pgmspace.h>
bool bluetooth_installed = false;
#define BT_AT_DELAY 100
void bluetooth_init(void) {
BT_DDR &= ~(_BV(BT_MODE) | _BV(BT_RTS));
BT_PORT |= _BV(BT_RTS);
// Check module is in command mode
if (BT_INPUT & _BV(BT_MODE)) {
// Check module RTS pin is pulled low
if (!(BT_INPUT &_BV(BT_RTS))) {
// Reconfigure UART to 9600 baud and issue reset
serial_setbaudrate_9600(0);
delay_ms(BT_AT_DELAY*2);
printf(PSTR("AT"));
printf(PSTR("AT+FACTORYRESET\r\n"));
delay_ms(BT_AT_DELAY);
printf(PSTR("AT+GAPDEVNAME=OpenModem\r\n"));
delay_ms(BT_AT_DELAY);
printf(PSTR("AT+MODESWITCHEN=ble,0\r\n"));
delay_ms(BT_AT_DELAY);
printf(PSTR("AT+MODESWITCHEN=local,0\r\n"));
delay_ms(BT_AT_DELAY);
printf(PSTR("AT+HWMODELED=0\r\n"));
delay_ms(BT_AT_DELAY);
printf(PSTR("AT+BLEPOWERLEVEL=4\r\n"));
delay_ms(BT_AT_DELAY);
printf(PSTR("ATZ\r\n"));
delay_ms(BT_AT_DELAY);
// Reconfigure mode pin to output
BT_DDR |= _BV(BT_MODE);
// Enable DATA mode
BT_PORT &= ~_BV(BT_MODE);
bluetooth_installed = true;
}
}
if (bluetooth_installed) {
} else {
}
}
bool bluetooth_enabled() {
return bluetooth_installed;
}