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steelseries: support cycle and breathing LED mode

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To specify the colors to cycle trough we write a list of
colors and their individual share of the total cycle duration.

Solid colors only have a single color in their list.

Breathing mode will cycle to and from the picked color and black.

Cycle mode will cycle through red, green, and blue.
This commit is contained in:
Thomas Hindoe Paaboel Andersen
2017-11-25 00:24:43 +01:00
committed by Peter Hutterer
parent 89aff23c11
commit 0f5beb619e
1 changed files with 84 additions and 13 deletions
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97
src/driver-steelseries.c
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@@ -331,27 +331,98 @@ steelseries_write_led(struct ratbag_led *led)
{
struct ratbag_device *device = led->profile->device;
uint8_t buf[STEELSERIES_REPORT_SIZE] = {0};
uint16_t rate;
uint16_t duration, min_duration;
int ret;
rate = led->index == 0 ? 10000 : 5000; /* 0x1027 or 0x8813 */
buf[0] = STEELSERIES_ID_LED;
buf[2] = led->index;
/* not sure why the rate is set for the steady color or why it is
different for the two LEDs */
hidpp_set_unaligned_le_u16(&buf[3], rate);
/* not sure if these four are needed either */
/* not sure if these two are needed */
buf[15] = 0x01;
buf[17] = 0x01;
buf[19] = 0x01;
buf[27] = 0x01;
buf[28] = buf[31] = led->color.red;
buf[29] = buf[32] = led->color.green;
buf[30] = buf[33] = led->color.blue;
switch(led->mode) {
case RATBAG_LED_OFF:
buf[19] = 0x01;
buf[27] = 0x01;
buf[28] = buf[31] = 0x00;
buf[29] = buf[32] = 0x00;
buf[30] = buf[33] = 0x00;
/* not sure why the duration is set for the steady color or why
it is different for the two LEDs */
duration = led->index == 0 ? 10000 : 5000; /* 0x1027 or 0x8813 */
break;
case RATBAG_LED_ON:
buf[19] = 0x01;
buf[27] = 0x01;
buf[28] = buf[31] = led->color.red;
buf[29] = buf[32] = led->color.green;
buf[30] = buf[33] = led->color.blue;
/* not sure why the duration is set for the steady color or why
it is different for the two LEDs */
duration = led->index == 0 ? 10000 : 5000; /* 0x1027 or 0x8813 */
break;
case RATBAG_LED_CYCLE:
buf[27] = 0x04; /* number of steps in cycle */
/* start color */
buf[28] = buf[31] = 0xFF;
buf[29] = buf[32] = 0x00;
buf[30] = buf[33] = 0x00;
/* Cycle to green */
buf[35] = 0x00;
buf[36] = 0xFF;
buf[37] = 0x00;
buf[38] = 0x54; /* normalized time share of animation */
/* Cycle to blue */
buf[39] = 0x00;
buf[40] = 0x00;
buf[41] = 0xFF;
buf[42] = 0x54; /* normalized time share of animation */
/* Cycle to red */
buf[43] = 0xFF;
buf[44] = 0x00;
buf[45] = 0x00;
buf[46] = 0x56; /* normalized time share of animation */
duration = led->ms;
break;
case RATBAG_LED_BREATHING:
buf[27] = 0x03; /* number of steps in cycle */
/* start color */
buf[28] = buf[31] = led->color.red;
buf[29] = buf[32] = led->color.green;
buf[30] = buf[33] = led->color.blue;
/* Cycle to black */
buf[35] = 0x00;
buf[36] = 0x00;
buf[37] = 0x00;
buf[38] = 0x7F; /* normalized time share of animation */
/* Cycle to selected color */
buf[39] = led->color.red;
buf[40] = led->color.green;
buf[41] = led->color.blue;
buf[42] = 0x7F; /* normalized time share of animation */
duration = led->ms;
break;
default:
return -EINVAL;
}
/* this seems to be the minimum allowed */
min_duration = buf[27] * 330;
if (duration < min_duration)
duration = min_duration;
hidpp_set_unaligned_le_u16(&buf[3], duration);
ret = ratbag_hidraw_output_report(device, buf, sizeof(buf));
if (ret != sizeof(buf))