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/* gc_n64_usb : Gamecube or N64 controller to USB adapter firmware
Copyright (C) 2007-2016 Raphael Assenat <raph@raphnet.net>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include "eeprom.h"
#include "requests.h"
struct eeprom_data_struct g_eeprom_data;
/* Called by the eeprom driver if the content
* was invalid and it needs to write defaults
* values. */
void eeprom_app_write_defaults(void)
{
int i;
const char default_serial[SERIAL_NUM_LEN] = { '0','0','0','0','0','1' };
memcpy(g_eeprom_data.cfg.serial, default_serial, SERIAL_NUM_LEN);
g_eeprom_data.cfg.mode = CFG_MODE_STANDARD;
for (i=0; i<NUM_CHANNELS; i++) {
g_eeprom_data.cfg.poll_interval[i] = 5; // 5ms default
}
}
static void config_set_serial(char serial[SERIAL_NUM_LEN])
{
memcpy(g_eeprom_data.cfg.serial, serial, SERIAL_NUM_LEN);
eeprom_commit();
}
struct paramAndFlag {
uint8_t param; // CFG_PARAM_* (requests.h)
uint32_t flag; // FLAG_* (config.h)
};
static struct paramAndFlag paramsAndFlags[] = {
{ CFG_PARAM_INVERT_TRIG, FLAG_GC_INVERT_TRIGS },
{ CFG_PARAM_FULL_SLIDERS, FLAG_GC_FULL_SLIDERS },
{ CFG_PARAM_TRIGGERS_AS_BUTTONS, FLAG_GC_SLIDERS_AS_BUTTONS },
{ CFG_PARAM_DISABLE_ANALOG_TRIGGERS, FLAG_DISABLE_ANALOG_TRIGGERS },
{ CFG_PARAM_SWAP_STICK_AND_DPAD, FLAG_SWAP_STICK_AND_DPAD },
{ },
};
uint8_t config_getSupportedParams(uint8_t *dst)
{
uint8_t n = 0, i;
dst[n++] = CFG_PARAM_MODE;
dst[n++] = CFG_PARAM_SERIAL;
for (i=0; i<NUM_CHANNELS; i++) {
dst[n++] = CFG_PARAM_POLL_INTERVAL0 + i;
}
for (i=0; paramsAndFlags[i].flag; i++) {
dst[n++] = paramsAndFlags[i].param;
}
return n;
}
unsigned char config_getParam(unsigned char param, unsigned char *value, unsigned char max_len)
{
int i;
switch (param)
{
case CFG_PARAM_MODE:
*value = g_eeprom_data.cfg.mode;
return 1;
case CFG_PARAM_SERIAL:
memcpy(value, g_eeprom_data.cfg.serial, SERIAL_NUM_LEN);
return SERIAL_NUM_LEN;
case CFG_PARAM_POLL_INTERVAL0:
*value = g_eeprom_data.cfg.poll_interval[0];
return 1;
#if NUM_CHANNELS > 1
case CFG_PARAM_POLL_INTERVAL1:
*value = g_eeprom_data.cfg.poll_interval[1];
return 1;
#endif
#if NUM_CHANNELS > 2
case CFG_PARAM_POLL_INTERVAL2:
*value = g_eeprom_data.cfg.poll_interval[2];
return 1;
#endif
#if NUM_CHANNELS > 3
case CFG_PARAM_POLL_INTERVAL3:
*value = g_eeprom_data.cfg.poll_interval[3];
return 1;
#endif
default:
for (i=0; paramsAndFlags[i].flag; i++) {
if (param == paramsAndFlags[i].param) {
*value = (g_eeprom_data.cfg.flags & paramsAndFlags[i].flag) ? 1 : 0;
return 1;
}
}
}
return 0;
}
unsigned char config_setParam(unsigned char param, const unsigned char *value)
{
int i;
if (!value)
return 0;
switch (param)
{
case CFG_PARAM_MODE:
g_eeprom_data.cfg.mode = value[0];
break;
case CFG_PARAM_SERIAL:
config_set_serial((char*)value);
break;
case CFG_PARAM_POLL_INTERVAL0:
g_eeprom_data.cfg.poll_interval[0] = value[0];
break;
#if NUM_CHANNELS > 1
case CFG_PARAM_POLL_INTERVAL1:
g_eeprom_data.cfg.poll_interval[1] = value[0];
break;
#endif
#if NUM_CHANNELS > 2
case CFG_PARAM_POLL_INTERVAL2:
g_eeprom_data.cfg.poll_interval[2] = value[0];
break;
#endif
#if NUM_CHANNELS > 3
case CFG_PARAM_POLL_INTERVAL3:
g_eeprom_data.cfg.poll_interval[3] = value[0];
break;
#endif
default:
for (i=0; paramsAndFlags[i].flag; i++) {
if (param == paramsAndFlags[i].param) {
if (value[0]) {
g_eeprom_data.cfg.flags |= paramsAndFlags[i].flag;
} else {
g_eeprom_data.cfg.flags &= ~paramsAndFlags[i].flag;
}
break;
}
}
// if we made it through the list without finding
// a matching parameter, do nothing.
if (!paramsAndFlags[i].flag) {
return 0;
}
}
eeprom_commit();
return 1;
}