1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/comm.h	Wed Mar 07 06:11:51 2012 +0200
     1.3 @@ -0,0 +1,48 @@
     1.4 +/*
     1.5 +gbasys - a gameboy advance hardware abstraction library
     1.6 +Copyright (C) 2005-2012  John Tsiombikas <nuclear@member.fsf.org>
     1.7 +
     1.8 +This program is free software: you can redistribute it and/or modify
     1.9 +it under the terms of the GNU General Public License as published by
    1.10 +the Free Software Foundation, either version 3 of the License, or
    1.11 +(at your option) any later version.
    1.12 +
    1.13 +This program is distributed in the hope that it will be useful,
    1.14 +but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.15 +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.16 +GNU General Public License for more details.
    1.17 +
    1.18 +You should have received a copy of the GNU General Public License
    1.19 +along with this program.  If not, see <http://www.gnu.org/licenses/>.
    1.20 +*/
    1.21 +#ifndef COMM_H_
    1.22 +#define COMM_H_
    1.23 +
    1.24 +enum {
    1.25 +	COMM_SIO8_MASTER,
    1.26 +	COMM_SIO8_SLAVE,
    1.27 +	COMM_SIO32_MASTER,
    1.28 +	COMM_SIO32_SLAVE,
    1.29 +	COMM_UART,
    1.30 +	COMM_GPIO
    1.31 +};
    1.32 +
    1.33 +void comm_setup(int mode);
    1.34 +
    1.35 +/* synchronous transfer, blocks until complete */
    1.36 +void sio_transfer(void *in, const void *out);
    1.37 +
    1.38 +/* async transfer, returns immediately, raises SIGIO when complete */
    1.39 +void sio_transfer_async(void *in, const void *out);
    1.40 +
    1.41 +
    1.42 +/* GPIO functions */
    1.43 +enum { GPIO_DIR_IN, GPIO_DIR_OUT };
    1.44 +
    1.45 +void gpio_dir(int dir_so, int dir_si, int dir_sd, int dir_sc);
    1.46 +void gpio_dir_mask(unsigned char dir);
    1.47 +
    1.48 +void gpio_set(unsigned char val);
    1.49 +unsigned char gpio_get(void);
    1.50 +
    1.51 +#endif	/* COMM_H_ */