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Fix up Djinn fuse handling. #17465

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merged 1 commit into from
Jun 24, 2022
Merged

Fix up Djinn fuse handling. #17465

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34 changes: 34 additions & 0 deletions keyboards/tzarc/djinn/djinn.c
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,9 @@ void keyboard_post_init_kb(void) {
#if defined(RGB_MATRIX_ENABLE)
RGB rgb_matrix_hsv_to_rgb(HSV hsv) {
float scale;

# ifdef DJINN_SUPPORTS_3A_FUSE
// The updated BOM on the Djinn has properly-spec'ed fuses -- 1500mA/3000mA hold current
switch (kb_state.current_setting) {
default:
case USBPD_500MA:
Expand All @@ -104,6 +107,19 @@ RGB rgb_matrix_hsv_to_rgb(HSV hsv) {
scale = 1.0f;
break;
}
# else
// The original BOM on the Djinn had wrongly-spec'ed fuses -- 750mA/1500mA hold current
switch (kb_state.current_setting) {
default:
case USBPD_500MA:
case USBPD_1500MA:
scale = 0.35f;
break;
case USBPD_3000MA:
scale = 0.75f;
break;
}
# endif

hsv.v = (uint8_t)(hsv.v * scale);
return hsv_to_rgb(hsv);
Expand All @@ -129,6 +145,9 @@ void housekeeping_task_kb(void) {
static uint8_t current_setting = USBPD_500MA;
if (current_setting != kb_state.current_setting) {
current_setting = kb_state.current_setting;

#ifdef DJINN_SUPPORTS_3A_FUSE
// The updated BOM on the Djinn has properly-spec'ed fuses -- 1500mA/3000mA hold current
switch (current_setting) {
default:
case USBPD_500MA:
Expand All @@ -144,6 +163,21 @@ void housekeeping_task_kb(void) {
writePinHigh(RGB_CURR_3000mA_OK_PIN);
break;
}
#else
// The original BOM on the Djinn had wrongly-spec'ed fuses -- 750mA/1500mA hold current
switch (current_setting) {
default:
case USBPD_500MA:
case USBPD_1500MA:
writePinLow(RGB_CURR_1500mA_OK_PIN);
writePinLow(RGB_CURR_3000mA_OK_PIN);
break;
case USBPD_3000MA:
writePinHigh(RGB_CURR_1500mA_OK_PIN);
writePinLow(RGB_CURR_3000mA_OK_PIN);
break;
}
#endif

// If we've changed the current limit, toggle rgb off and on if it was on, to force a brightness update on all LEDs
if (is_keyboard_master() && rgb_matrix_is_enabled()) {
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3 changes: 3 additions & 0 deletions keyboards/tzarc/djinn/keymaps/default/config.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,9 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once

// Uncomment the following if your board uses 1.5A and 3.0A hold current fuses.
//#define DJINN_SUPPORTS_3A_FUSE

// Encoder settings
#define ENCODER_RESOLUTION 2

Expand Down