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feat: allows setting the default trackball sensitivity

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This commit is contained in:
Florian Didron
2025-08-29 08:52:04 +07:00
parent 73a60adccb
commit 2c6565c49b
2 changed files with 18 additions and 54 deletions
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64
drivers/sensors/navigator_trackball.c
View File

@@ -19,7 +19,7 @@ const pointing_device_driver_t navigator_trackball_pointing_device_driver = {
.set_cpi = navigator_trackball_set_cpi
};
uint8_t current_cpi = DEFAULT_CPI_TICK;
uint8_t current_cpi = NAVIGATOR_TRACKBALL_CPI;
uint8_t has_motion = 0;
@@ -77,58 +77,11 @@ i2c_status_t sci18is606_configure(void) {
}
bool paw3805ek_set_cpi(void) {
uint8_t next_cpi_x = 0;
uint8_t next_cpi_y = 0;
// traverse the sequence by compairing the cpi_x value with the current cpi_x value
// set the cpi to the next value in the sequence
switch (current_cpi) {
case 1: {
next_cpi_x = CPI_X_800;
next_cpi_y = CPI_Y_800;
break;
}
case 2: {
next_cpi_x = CPI_X_1000;
next_cpi_y = CPI_Y_1000;
break;
}
case 3: {
next_cpi_x = CPI_X_1200;
next_cpi_y = CPI_Y_1200;
break;
}
case 4: {
next_cpi_x = CPI_X_1600;
next_cpi_y = CPI_Y_1600;
break;
}
case 5: {
next_cpi_x = CPI_X_2000;
next_cpi_y = CPI_Y_2000;
break;
}
case 6: {
next_cpi_x = CPI_X_2400;
next_cpi_y = CPI_Y_2400;
break;
}
case 7: {
next_cpi_x = CPI_X_3000;
next_cpi_y = CPI_Y_3000;
break;
}
default: {
current_cpi = DEFAULT_CPI_TICK;
next_cpi_x = CPI_X_800;
next_cpi_y = CPI_Y_800;
break;
}
}
paw3805ek_reg_seq_t cpi_reg_seq[] = {
{0x09 | WRITE_REG_BIT, 0x5A}, // Disable write protection
{0x0D | WRITE_REG_BIT, next_cpi_x},
{0x0E | WRITE_REG_BIT, next_cpi_y},
{0x0D | WRITE_REG_BIT, current_cpi},
{0x0E | WRITE_REG_BIT, current_cpi},
{0x09 | WRITE_REG_BIT, 0x00}, // Enable the write protection
};
@@ -264,17 +217,20 @@ uint16_t navigator_trackball_get_cpi(void) {
void restore_cpi(uint8_t cpi) {
current_cpi = cpi;
paw3805ek_set_cpi();
printf("restored cpi: %d\n", current_cpi);
}
void navigator_trackball_set_cpi(uint16_t cpi) {
if (cpi == 0) { // Decrease one tick
if (current_cpi > 1) {
current_cpi--;
if (current_cpi > NAVIGATOR_TRACKBALL_CPI_TICK) {
current_cpi -= NAVIGATOR_TRACKBALL_CPI_TICK;
printf("decreased cpi: %d\n", current_cpi);
paw3805ek_set_cpi();
}
} else {
if (current_cpi < CPI_TICKS) {
current_cpi++;
if (current_cpi < 255 - NAVIGATOR_TRACKBALL_CPI_TICK) {
current_cpi += NAVIGATOR_TRACKBALL_CPI_TICK;
printf("increased cpi: %d\n", current_cpi);
paw3805ek_set_cpi();
}
}

8
drivers/sensors/navigator_trackball.h
View File

@@ -10,6 +10,14 @@
# define NAVIGATOR_TRACKBALL_ADDRESS 0x50
#endif
#ifndef NAVIGATOR_TRACKBALL_CPI
# define NAVIGATOR_TRACKBALL_CPI 0x3C
#endif
#ifndef NAVIGATOR_TRACKBALL_CPI_TICK
# define NAVIGATOR_TRACKBALL_CPI_TICK 5
#endif
#ifndef NAVIGATOR_TRACKBALL_TIMEOUT
# define NAVIGATOR_TRACKBALL_TIMEOUT 100
#endif