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Update inputd to make it work with the latest firmware API

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This commit is contained in:
Ondrej Jirman 2021-08-31 19:01:43 +02:00
parent 62e2ebe7ec
commit 4a1abce0eb
1 changed files with 16 additions and 15 deletions
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31
i2c-inputd.c
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@ -25,15 +25,15 @@
#include <linux/input.h> #include <linux/input.h>
#include <linux/uinput.h> #include <linux/uinput.h>
#define MEGI_PROTO_BUG 1
int read_kb(int fd, uint8_t data[16]) int read_kb(int fd, uint8_t data[16])
{ {
int ret; int ret;
uint8_t b = 5;
uint8_t b = REG_KEYMATRIX_STATE_CRC8;
struct i2c_msg msgs[] = { struct i2c_msg msgs[] = {
{ KB_ADDR, 0, 1, &b }, { KB_ADDR, 0, 1, &b },
{ KB_ADDR, I2C_M_RD, 16, data }, { KB_ADDR, I2C_M_RD, REG_KEYMATRIX_STATE_END - REG_KEYMATRIX_STATE_CRC8 + 1, data },
}; };
struct i2c_rdwr_ioctl_data msg = { struct i2c_rdwr_ioctl_data msg = {
@ -43,8 +43,16 @@ int read_kb(int fd, uint8_t data[16])
ret = ioctl(fd, I2C_RDWR, &msg); ret = ioctl(fd, I2C_RDWR, &msg);
syscall_error(ret < 0, "I2C_RDWR failed"); syscall_error(ret < 0, "I2C_RDWR failed");
// for (int i = 0; i < REG_KEYMATRIX_STATE_END - REG_KEYMATRIX_STATE_CRC8 + 1; i++)
// printf("%02hhx", data[i]);
// printf("\n");
return ret == 1 ? 0 : -1; uint8_t crc = crc8(data + 1, REG_KEYMATRIX_STATE_END - REG_KEYMATRIX_STATE_CRC8);
if (crc != data[0])
return -1;
return ret == 2 ? 0 : -1;
} }
int write_kb(int fd, uint8_t* data) int write_kb(int fd, uint8_t* data)
@ -256,15 +264,8 @@ void update_keys(uint8_t* map)
if (map[c] != 0xff && map[c] & (1u << r)) { if (map[c] != 0xff && map[c] & (1u << r)) {
uint8_t el_idx = (r << 4) | c; uint8_t el_idx = (r << 4) | c;
uint8_t phys_idx = el_phys_map[el_idx]; uint8_t phys_idx = el_phys_map[el_idx];
if (phys_idx != 0xff && n_keys < 128) { if (phys_idx != 0xff && n_keys < 128)
#if MEGI_PROTO_BUG
int key = keymap_base[phys_idx][0];
if (key == KEY_LEFTCTRL || key == KEY_Z) // ignore these keys on my keyboard
continue;
#endif
keys[n_keys++] = phys_idx; keys[n_keys++] = phys_idx;
}
} }
} }
} }
@ -327,8 +328,8 @@ int main(int ac, char* av[])
if (ret) if (ret)
continue; continue;
// print_bitmap(buf + 4); //print_bitmap(buf + 1);
update_keys(buf + 4); update_keys(buf + 1);
} }
} }