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/*
* Pinephone keyboard I2C debugging tool.
*
* Copyright (C) 2021 Ondřej Jirman <megi@xff.cz>
*
* 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 "common.c"
#include "firmware/registers.h"
void dump_log(int fd)
{
int ret;
uint8_t addr = REG_DEBUG_LOG;
uint8_t buf[64];
struct i2c_msg msgs[] = {
{ KB_ADDR, 0, 1, &addr }, // set 0xff address
{ KB_ADDR, I2C_M_RD, sizeof(buf), buf },
};
struct i2c_rdwr_ioctl_data msg = {
.msgs = msgs,
.nmsgs = sizeof(msgs) / sizeof(msgs[0])
};
ret = ioctl(fd, I2C_RDWR, &msg);
if (ret < 0) {
printf("ERROR: (%"PRIu64") I2C_RDWR failed (%d)\n", time_abs(), errno);
fflush(stdout);
usleep(50000);
return;
}
int i;
for (i = 0; i < sizeof(buf) && buf[i]; i++);
if (i > 0)
xwrite(1, buf, i);
}
int main(int ac, char* av[])
{
int fd, ret;
fd = pogo_i2c_open();
while (1) {
dump_log(fd);
usleep(10000);
}
return 0;
}