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/*
Copyright 2018 Massdrop Inc.
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 2 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 "arm_atsam_protocol.h"
#include "led.h"
#include "rgb_matrix.h"
#include <string.h>
#include <math.h>
#ifdef USE_MASSDROP_CONFIGURATOR
__attribute__((weak)) led_instruction_t led_instructions[] = {{.end = 1}};
static void md_rgb_matrix_config_override(int i);
#endif // USE_MASSDROP_CONFIGURATOR
void SERCOM1_0_Handler(void) {
if (SERCOM1->I2CM.INTFLAG.bit.ERROR) {
SERCOM1->I2CM.INTFLAG.reg = SERCOM_I2CM_INTENCLR_ERROR;
}
}
void DMAC_0_Handler(void) {
if (DMAC->Channel[0].CHINTFLAG.bit.TCMPL) {
DMAC->Channel[0].CHINTFLAG.reg = DMAC_CHINTENCLR_TCMPL;
i2c1_stop();
i2c_led_q_running = 0;
i2c_led_q_run();
return;
}
if (DMAC->Channel[0].CHINTFLAG.bit.TERR) {
DMAC->Channel[0].CHINTFLAG.reg = DMAC_CHINTENCLR_TERR;
}
}
issi3733_driver_t issidrv[ISSI3733_DRIVER_COUNT];
issi3733_led_t led_map[ISSI3733_LED_COUNT] = ISSI3733_LED_MAP;
RGB led_buffer[ISSI3733_LED_COUNT];
uint8_t gcr_desired;
uint8_t gcr_actual;
uint8_t gcr_actual_last;
#ifdef USE_MASSDROP_CONFIGURATOR
uint8_t gcr_breathe;
float breathe_mult;
float pomod;
#endif
#define ACT_GCR_NONE 0
#define ACT_GCR_INC 1
#define ACT_GCR_DEC 2
#define LED_GCR_STEP_AUTO 2
static uint8_t gcr_min_counter;
static uint8_t v_5v_cat_hit;
// WARNING: Automatic GCR is in place to prevent USB shutdown and LED driver overloading
void gcr_compute(void) {
uint8_t action = ACT_GCR_NONE;
uint8_t gcr_use = gcr_desired;
#ifdef USE_MASSDROP_CONFIGURATOR
if (led_animation_breathing) {
gcr_use = gcr_breathe;
}
#endif
// If the 5v takes a catastrophic hit, disable the LED drivers briefly, assert auto gcr mode, min gcr and let the auto take over
if (v_5v < V5_CAT) {
I2C3733_Control_Set(0);
// CDC_print("USB: WARNING: 5V catastrophic level reached! Disabling LED drivers!\r\n"); //Blocking print is bad here!
v_5v_cat_hit = 20; //~100ms recover
gcr_actual = 0; // Minimize GCR
usb_gcr_auto = 1; // Force auto mode enabled
return;
} else if (v_5v_cat_hit > 1) {
v_5v_cat_hit--;
return;
} else if (v_5v_cat_hit == 1) {
I2C3733_Control_Set(1);
CDC_print("USB: WARNING: Re-enabling LED drivers\r\n");
v_5v_cat_hit = 0;
return;
}
if (usb_gcr_auto) {
if (v_5v_avg < V5_LOW)
action = ACT_GCR_DEC;
else if (v_5v_avg > V5_HIGH && gcr_actual < gcr_use)
action = ACT_GCR_INC;
else if (gcr_actual > gcr_use)
action = ACT_GCR_DEC;
} else {
if (gcr_actual < gcr_use)
action = ACT_GCR_INC;
else if (gcr_actual > gcr_use)
action = ACT_GCR_DEC;
}
if (action == ACT_GCR_NONE) {
gcr_min_counter = 0;
} else if (action == ACT_GCR_INC) {
if (LED_GCR_STEP_AUTO > LED_GCR_MAX - gcr_actual)
gcr_actual = LED_GCR_MAX; // Obey max and prevent wrapping
else
gcr_actual += LED_GCR_STEP_AUTO;
gcr_min_counter = 0;
} else if (action == ACT_GCR_DEC) {
if (LED_GCR_STEP_AUTO > gcr_actual) // Prevent wrapping
{
gcr_actual = 0;
// At this point, power can no longer be cut from the LED drivers, so focus on cutting out extra port if active
if (usb_extra_state != USB_EXTRA_STATE_DISABLED_UNTIL_REPLUG) // If not in a wait for replug state
{
if (usb_extra_state == USB_EXTRA_STATE_ENABLED) // If extra usb is enabled
{
gcr_min_counter++;
if (gcr_min_counter > 200) // 5ms per check = 1s delay
{
USB_ExtraSetState(USB_EXTRA_STATE_DISABLED_UNTIL_REPLUG);
usb_extra_manual = 0; // Force disable manual mode of extra port
if (usb_extra_manual)
CDC_print("USB: Disabling extra port until replug and manual mode toggle!\r\n");
else
CDC_print("USB: Disabling extra port until replug!\r\n");
}
}
}
} else {
// Power successfully cut back from LED drivers
gcr_actual -= LED_GCR_STEP_AUTO;
gcr_min_counter = 0;
#ifdef USE_MASSDROP_CONFIGURATOR
// If breathe mode is active, the top end can fluctuate if the host can not supply enough current
// So set the breathe GCR to where it becomes stable
if (led_animation_breathing == 1) {
gcr_breathe = gcr_actual;
// PS: At this point, setting breathing to exhale makes a noticebly shorter cycle
// and the same would happen maybe one or two more times. Therefore I'm favoring
// powering through one full breathe and letting gcr settle completely
}
#endif
}
}
}
void issi3733_prepare_arrays(void) {
memset(issidrv, 0, sizeof(issi3733_driver_t) * ISSI3733_DRIVER_COUNT);
int i;
uint8_t addrs[ISSI3733_DRIVER_COUNT] = ISSI3773_DRIVER_ADDRESSES;
for (i = 0; i < ISSI3733_DRIVER_COUNT; i++) {
issidrv[i].addr = addrs[i];
}
for (uint8_t i = 0; i < ISSI3733_LED_COUNT; i++) {
// BYTE: 1 + (SW-1)*16 + (CS-1)
led_map[i].rgb.g = issidrv[led_map[i].adr.drv - 1].pwm + 1 + ((led_map[i].adr.swg - 1) * 16 + (led_map[i].adr.cs - 1));
led_map[i].rgb.r = issidrv[led_map[i].adr.drv - 1].pwm + 1 + ((led_map[i].adr.swr - 1) * 16 + (led_map[i].adr.cs - 1));
led_map[i].rgb.b = issidrv[led_map[i].adr.drv - 1].pwm + 1 + ((led_map[i].adr.swb - 1) * 16 + (led_map[i].adr.cs - 1));
// BYTE: 1 + (SW-1)*2 + (CS-1)/8
// BIT: (CS-1)%8
*(issidrv[led_map[i].adr.drv - 1].onoff + 1 + (led_map[i].adr.swg - 1) * 2 + (led_map[i].adr.cs - 1) / 8) |= (1 << ((led_map[i].adr.cs - 1) % 8));
*(issidrv[led_map[i].adr.drv - 1].onoff + 1 + (led_map[i].adr.swr - 1) * 2 + (led_map[i].adr.cs - 1) / 8) |= (1 << ((led_map[i].adr.cs - 1) % 8));
*(issidrv[led_map[i].adr.drv - 1].onoff + 1 + (led_map[i].adr.swb - 1) * 2 + (led_map[i].adr.cs - 1) / 8) |= (1 << ((led_map[i].adr.cs - 1) % 8));
}
}
void md_rgb_matrix_prepare(void) {
for (uint8_t i = 0; i < ISSI3733_LED_COUNT; i++) {
*led_map[i].rgb.r = 0;
*led_map[i].rgb.g = 0;
*led_map[i].rgb.b = 0;
}
}
void led_set_one(int i, uint8_t r, uint8_t g, uint8_t b) {
if (i < ISSI3733_LED_COUNT) {
#ifdef USE_MASSDROP_CONFIGURATOR
md_rgb_matrix_config_override(i);
#else
led_buffer[i].r = r;
led_buffer[i].g = g;
led_buffer[i].b = b;
#endif
}
}
void led_set_all(uint8_t r, uint8_t g, uint8_t b) {
for (uint8_t i = 0; i < ISSI3733_LED_COUNT; i++) {
led_set_one(i, r, g, b);
}
}
void init(void) {
DBGC(DC_LED_MATRIX_INIT_BEGIN);
issi3733_prepare_arrays();
md_rgb_matrix_prepare();
gcr_min_counter = 0;
v_5v_cat_hit = 0;
DBGC(DC_LED_MATRIX_INIT_COMPLETE);
}
void flush(void) {
#ifdef USE_MASSDROP_CONFIGURATOR
if (!led_enabled) {
return;
} // Prevent calculations and I2C traffic if LED drivers are not enabled
#else
if (!sr_exp_data.bit.SDB_N) {
return;
} // Prevent calculations and I2C traffic if LED drivers are not enabled
#endif
// Wait for previous transfer to complete
while (i2c_led_q_running) {
}
// Copy buffer to live DMA region
for (uint8_t i = 0; i < ISSI3733_LED_COUNT; i++) {
*led_map[i].rgb.r = led_buffer[i].r;
*led_map[i].rgb.g = led_buffer[i].g;
*led_map[i].rgb.b = led_buffer[i].b;
}
#ifdef USE_MASSDROP_CONFIGURATOR
breathe_mult = 1;
if (led_animation_breathing) {
//+60us 119 LED
led_animation_breathe_cur += BREATHE_STEP * breathe_dir;
if (led_animation_breathe_cur >= BREATHE_MAX_STEP)
breathe_dir = -1;
else if (led_animation_breathe_cur <= BREATHE_MIN_STEP)
breathe_dir = 1;
// Brightness curve created for 256 steps, 0 - ~98%
breathe_mult = 0.000015 * led_animation_breathe_cur * led_animation_breathe_cur;
if (breathe_mult > 1)
breathe_mult = 1;
else if (breathe_mult < 0)
breathe_mult = 0;
}
// This should only be performed once per frame
pomod = (float)((g_rgb_timer / 10) % (uint32_t)(1000.0f / led_animation_speed)) / 10.0f * led_animation_speed;
pomod *= 100.0f;
pomod = (uint32_t)pomod % 10000;
pomod /= 100.0f;
#endif // USE_MASSDROP_CONFIGURATOR
uint8_t drvid;
// NOTE: GCR does not need to be timed with LED processing, but there is really no harm
if (gcr_actual != gcr_actual_last) {
for (drvid = 0; drvid < ISSI3733_DRIVER_COUNT; drvid++) I2C_LED_Q_GCR(drvid); // Queue data
gcr_actual_last = gcr_actual;
}
for (drvid = 0; drvid < ISSI3733_DRIVER_COUNT; drvid++) I2C_LED_Q_PWM(drvid); // Queue data
i2c_led_q_run();
}
void md_rgb_matrix_indicators(void) {
uint8_t kbled = keyboard_leds();
if (kbled && rgb_matrix_config.enable) {
for (uint8_t i = 0; i < ISSI3733_LED_COUNT; i++) {
if (
#if USB_LED_NUM_LOCK_SCANCODE != 255
(led_map[i].scan == USB_LED_NUM_LOCK_SCANCODE && (kbled & (1 << USB_LED_NUM_LOCK))) ||
#endif // NUM LOCK
#if USB_LED_CAPS_LOCK_SCANCODE != 255
(led_map[i].scan == USB_LED_CAPS_LOCK_SCANCODE && (kbled & (1 << USB_LED_CAPS_LOCK))) ||
#endif // CAPS LOCK
#if USB_LED_SCROLL_LOCK_SCANCODE != 255
(led_map[i].scan == USB_LED_SCROLL_LOCK_SCANCODE && (kbled & (1 << USB_LED_SCROLL_LOCK))) ||
#endif // SCROLL LOCK
#if USB_LED_COMPOSE_SCANCODE != 255
(led_map[i].scan == USB_LED_COMPOSE_SCANCODE && (kbled & (1 << USB_LED_COMPOSE))) ||
#endif // COMPOSE
#if USB_LED_KANA_SCANCODE != 255
(led_map[i].scan == USB_LED_KANA_SCANCODE && (kbled & (1 << USB_LED_KANA))) ||
#endif // KANA
(0)) {
if (rgb_matrix_get_flags() & LED_FLAG_INDICATOR) {
led_buffer[i].r = 255 - led_buffer[i].r;
led_buffer[i].g = 255 - led_buffer[i].g;
led_buffer[i].b = 255 - led_buffer[i].b;
}
}
}
}
}
const rgb_matrix_driver_t rgb_matrix_driver = {.init = init, .flush = flush, .set_color = led_set_one, .set_color_all = led_set_all};
/*==============================================================================
= Legacy Lighting Support =
==============================================================================*/
#ifdef USE_MASSDROP_CONFIGURATOR
// Ported from Massdrop QMK GitHub Repo
// TODO?: wire these up to keymap.c
uint8_t led_animation_orientation = 0;
uint8_t led_animation_direction = 0;
uint8_t led_animation_breathing = 0;
uint8_t led_animation_id = 0;
float led_animation_speed = 4.0f;
uint8_t led_lighting_mode = LED_MODE_NORMAL;
uint8_t led_enabled = 1;
uint8_t led_animation_breathe_cur = BREATHE_MIN_STEP;
uint8_t breathe_dir = 1;
static void led_run_pattern(led_setup_t* f, float* ro, float* go, float* bo, float pos) {
float po;
while (f->end != 1) {
po = pos; // Reset po for new frame
// Add in any moving effects
if ((!led_animation_direction && f->ef & EF_SCR_R) || (led_animation_direction && (f->ef & EF_SCR_L))) {
po -= pomod;
if (po > 100)
po -= 100;
else if (po < 0)
po += 100;
} else if ((!led_animation_direction && f->ef & EF_SCR_L) || (led_animation_direction && (f->ef & EF_SCR_R))) {
po += pomod;
if (po > 100)
po -= 100;
else if (po < 0)
po += 100;
}
// Check if LED's po is in current frame
if (po < f->hs) {
f++;
continue;
}
if (po > f->he) {
f++;
continue;
}
// note: < 0 or > 100 continue
// Calculate the po within the start-stop percentage for color blending
po = (po - f->hs) / (f->he - f->hs);
// Add in any color effects
if (f->ef & EF_OVER) {
*ro = (po * (f->re - f->rs)) + f->rs; // + 0.5;
*go = (po * (f->ge - f->gs)) + f->gs; // + 0.5;
*bo = (po * (f->be - f->bs)) + f->bs; // + 0.5;
} else if (f->ef & EF_SUBTRACT) {
*ro -= (po * (f->re - f->rs)) + f->rs; // + 0.5;
*go -= (po * (f->ge - f->gs)) + f->gs; // + 0.5;
*bo -= (po * (f->be - f->bs)) + f->bs; // + 0.5;
} else {
*ro += (po * (f->re - f->rs)) + f->rs; // + 0.5;
*go += (po * (f->ge - f->gs)) + f->gs; // + 0.5;
*bo += (po * (f->be - f->bs)) + f->bs; // + 0.5;
}
f++;
}
}
static void md_rgb_matrix_config_override(int i) {
float ro = 0;
float go = 0;
float bo = 0;
float po = (led_animation_orientation) ? (float)g_led_config.point[i].y / 64.f * 100 : (float)g_led_config.point[i].x / 224.f * 100;
uint8_t highest_active_layer = biton32(layer_state);
if (led_lighting_mode == LED_MODE_KEYS_ONLY && HAS_FLAGS(g_led_config.flags[i], LED_FLAG_UNDERGLOW)) {
// Do not act on this LED
} else if (led_lighting_mode == LED_MODE_NON_KEYS_ONLY && !HAS_FLAGS(g_led_config.flags[i], LED_FLAG_UNDERGLOW)) {
// Do not act on this LED
} else if (led_lighting_mode == LED_MODE_INDICATORS_ONLY) {
// Do not act on this LED (Only show indicators)
} else {
led_instruction_t* led_cur_instruction = led_instructions;
while (!led_cur_instruction->end) {
// Check if this applies to current layer
if ((led_cur_instruction->flags & LED_FLAG_MATCH_LAYER) && (led_cur_instruction->layer != highest_active_layer)) {
goto next_iter;
}
// Check if this applies to current index
if (led_cur_instruction->flags & LED_FLAG_MATCH_ID) {
uint8_t modid = i / 32; // Calculate which id# contains the led bit
uint32_t modidbit = 1 << (i % 32); // Calculate the bit within the id#
uint32_t* bitfield = &led_cur_instruction->id0 + modid; // Add modid as offset to id0 address. *bitfield is now idX of the led id
if (~(*bitfield) & modidbit) { // Check if led bit is not set in idX
goto next_iter;
}
}
if (led_cur_instruction->flags & LED_FLAG_USE_RGB) {
ro = led_cur_instruction->r;
go = led_cur_instruction->g;
bo = led_cur_instruction->b;
} else if (led_cur_instruction->flags & LED_FLAG_USE_PATTERN) {
led_run_pattern(led_setups[led_cur_instruction->pattern_id], &ro, &go, &bo, po);
} else if (led_cur_instruction->flags & LED_FLAG_USE_ROTATE_PATTERN) {
led_run_pattern(led_setups[led_animation_id], &ro, &go, &bo, po);
}
next_iter:
led_cur_instruction++;
}
if (ro > 255)
ro = 255;
else if (ro < 0)
ro = 0;
if (go > 255)
go = 255;
else if (go < 0)
go = 0;
if (bo > 255)
bo = 255;
else if (bo < 0)
bo = 0;
if (led_animation_breathing) {
ro *= breathe_mult;
go *= breathe_mult;
bo *= breathe_mult;
}
}
led_buffer[i].r = (uint8_t)ro;
led_buffer[i].g = (uint8_t)go;
led_buffer[i].b = (uint8_t)bo;
}
#endif // USE_MASSDROP_CONFIGURATOR