529 lines
16 KiB
C
529 lines
16 KiB
C
/*
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Copyright 2018 Massdrop Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "arm_atsam_protocol.h"
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#include "tmk_core/common/led.h"
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#include <string.h>
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void SERCOM1_0_Handler( void )
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{
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if (SERCOM1->I2CM.INTFLAG.bit.ERROR)
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{
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SERCOM1->I2CM.INTFLAG.reg = SERCOM_I2CM_INTENCLR_ERROR;
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}
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}
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void DMAC_0_Handler( void )
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{
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if (DMAC->Channel[0].CHINTFLAG.bit.TCMPL)
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{
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DMAC->Channel[0].CHINTFLAG.reg = DMAC_CHINTENCLR_TCMPL;
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i2c1_stop();
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i2c_led_q_running = 0;
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i2c_led_q_run();
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return;
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}
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if (DMAC->Channel[0].CHINTFLAG.bit.TERR)
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{
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DMAC->Channel[0].CHINTFLAG.reg = DMAC_CHINTENCLR_TERR;
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}
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}
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issi3733_driver_t issidrv[ISSI3733_DRIVER_COUNT];
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issi3733_led_t led_map[ISSI3733_LED_COUNT+1] = ISSI3733_LED_MAP;
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issi3733_led_t *lede = led_map + ISSI3733_LED_COUNT; //End pointer of mapping
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uint8_t gcr_desired;
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uint8_t gcr_breathe;
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uint8_t gcr_use;
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uint8_t gcr_actual;
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uint8_t gcr_actual_last;
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#define ACT_GCR_NONE 0
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#define ACT_GCR_INC 1
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#define ACT_GCR_DEC 2
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#define LED_GCR_STEP_AUTO 2
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static uint8_t gcr_min_counter;
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static uint8_t v_5v_cat_hit;
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//WARNING: Automatic GCR is in place to prevent USB shutdown and LED driver overloading
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void gcr_compute(void)
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{
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uint8_t action = ACT_GCR_NONE;
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if (led_animation_breathing)
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gcr_use = gcr_breathe;
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else
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gcr_use = gcr_desired;
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//If the 5v takes a catastrophic hit, disable the LED drivers briefly, assert auto gcr mode, min gcr and let the auto take over
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if (v_5v < V5_CAT)
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{
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I2C3733_Control_Set(0);
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//CDC_print("USB: WARNING: 5V catastrophic level reached! Disabling LED drivers!\r\n"); //Blocking print is bad here!
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v_5v_cat_hit = 20; //~100ms recover
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gcr_actual = 0; //Minimize GCR
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usb_gcr_auto = 1; //Force auto mode enabled
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return;
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}
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else if (v_5v_cat_hit > 1)
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{
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v_5v_cat_hit--;
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return;
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}
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else if (v_5v_cat_hit == 1)
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{
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I2C3733_Control_Set(1);
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CDC_print("USB: WARNING: Re-enabling LED drivers\r\n");
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v_5v_cat_hit = 0;
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return;
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}
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if (usb_gcr_auto)
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{
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if (v_5v_avg < V5_LOW) action = ACT_GCR_DEC;
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else if (v_5v_avg > V5_HIGH && gcr_actual < gcr_use) action = ACT_GCR_INC;
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else if (gcr_actual > gcr_use) action = ACT_GCR_DEC;
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}
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else
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{
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if (gcr_actual < gcr_use) action = ACT_GCR_INC;
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else if (gcr_actual > gcr_use) action = ACT_GCR_DEC;
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}
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if (action == ACT_GCR_NONE)
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{
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gcr_min_counter = 0;
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}
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else if (action == ACT_GCR_INC)
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{
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if (LED_GCR_STEP_AUTO > LED_GCR_MAX - gcr_actual) gcr_actual = LED_GCR_MAX; //Obey max and prevent wrapping
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else gcr_actual += LED_GCR_STEP_AUTO;
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gcr_min_counter = 0;
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}
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else if (action == ACT_GCR_DEC)
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{
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if (LED_GCR_STEP_AUTO > gcr_actual) //Prevent wrapping
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{
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gcr_actual = 0;
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//At this point, power can no longer be cut from the LED drivers, so focus on cutting out extra port if active
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if (usb_extra_state != USB_EXTRA_STATE_DISABLED_UNTIL_REPLUG) //If not in a wait for replug state
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{
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if (usb_extra_state == USB_EXTRA_STATE_ENABLED) //If extra usb is enabled
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{
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gcr_min_counter++;
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if (gcr_min_counter > 200) //5ms per check = 1s delay
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{
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USB_ExtraSetState(USB_EXTRA_STATE_DISABLED_UNTIL_REPLUG);
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usb_extra_manual = 0; //Force disable manual mode of extra port
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if (usb_extra_manual) CDC_print("USB: Disabling extra port until replug and manual mode toggle!\r\n");
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else CDC_print("USB: Disabling extra port until replug!\r\n");
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}
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}
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}
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}
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else
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{
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//Power successfully cut back from LED drivers
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gcr_actual -= LED_GCR_STEP_AUTO;
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gcr_min_counter = 0;
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//If breathe mode is active, the top end can fluctuate if the host can not supply enough current
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//So set the breathe GCR to where it becomes stable
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if (led_animation_breathing == 1)
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{
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gcr_breathe = gcr_actual;
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//PS: At this point, setting breathing to exhale makes a noticebly shorter cycle
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// and the same would happen maybe one or two more times. Therefore I'm favoring
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// powering through one full breathe and letting gcr settle completely
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}
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}
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}
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}
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led_disp_t disp;
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void issi3733_prepare_arrays(void)
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{
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memset(issidrv,0,sizeof(issi3733_driver_t) * ISSI3733_DRIVER_COUNT);
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int i;
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uint8_t addrs[ISSI3733_DRIVER_COUNT] = ISSI3773_DRIVER_ADDRESSES;
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for (i=0;i<ISSI3733_DRIVER_COUNT;i++)
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{
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issidrv[i].addr = addrs[i];
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}
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issi3733_led_t *cur = led_map;
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while (cur < lede)
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{
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//BYTE: 1 + (SW-1)*16 + (CS-1)
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cur->rgb.g = issidrv[cur->adr.drv-1].pwm + 1 + ((cur->adr.swg-1)*16 + (cur->adr.cs-1));
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cur->rgb.r = issidrv[cur->adr.drv-1].pwm + 1 + ((cur->adr.swr-1)*16 + (cur->adr.cs-1));
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cur->rgb.b = issidrv[cur->adr.drv-1].pwm + 1 + ((cur->adr.swb-1)*16 + (cur->adr.cs-1));
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//BYTE: 1 + (SW-1)*2 + (CS-1)/8
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//BIT: (CS-1)%8
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*(issidrv[cur->adr.drv-1].onoff + 1 + (cur->adr.swg-1)*2+(cur->adr.cs-1)/8) |= (1<<((cur->adr.cs-1)%8));
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*(issidrv[cur->adr.drv-1].onoff + 1 + (cur->adr.swr-1)*2+(cur->adr.cs-1)/8) |= (1<<((cur->adr.cs-1)%8));
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*(issidrv[cur->adr.drv-1].onoff + 1 + (cur->adr.swb-1)*2+(cur->adr.cs-1)/8) |= (1<<((cur->adr.cs-1)%8));
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cur++;
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}
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}
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void disp_calc_extents(void)
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{
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issi3733_led_t *cur = led_map;
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disp.left = 1e10;
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disp.right = -1e10;
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disp.top = -1e10;
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disp.bottom = 1e10;
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while (cur < lede)
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{
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if (cur->x < disp.left) disp.left = cur->x;
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if (cur->x > disp.right) disp.right = cur->x;
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if (cur->y < disp.bottom) disp.bottom = cur->y;
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if (cur->y > disp.top) disp.top = cur->y;
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cur++;
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}
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disp.width = disp.right - disp.left;
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disp.height = disp.top - disp.bottom;
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}
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void disp_pixel_setup(void)
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{
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issi3733_led_t *cur = led_map;
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while (cur < lede)
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{
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cur->px = (cur->x - disp.left) / disp.width * 100;
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cur->py = (cur->y - disp.bottom) / disp.height * 100;
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*cur->rgb.r = 0;
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*cur->rgb.g = 0;
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*cur->rgb.b = 0;
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cur++;
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}
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}
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void led_matrix_prepare(void)
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{
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disp_calc_extents();
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disp_pixel_setup();
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}
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uint8_t led_enabled;
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float led_animation_speed;
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uint8_t led_animation_direction;
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uint8_t led_animation_orientation;
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uint8_t led_animation_breathing;
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uint8_t led_animation_breathe_cur;
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uint8_t breathe_step;
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uint8_t breathe_dir;
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uint64_t led_next_run;
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uint8_t led_animation_id;
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uint8_t led_lighting_mode;
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issi3733_led_t *led_cur;
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uint8_t led_per_run = 15;
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float breathe_mult;
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__attribute__ ((weak))
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void led_matrix_run(void)
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{
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float ro;
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float go;
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float bo;
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float po;
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uint8_t led_this_run = 0;
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led_setup_t *f = (led_setup_t*)led_setups[led_animation_id];
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if (led_cur == 0) //Denotes start of new processing cycle in the case of chunked processing
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{
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led_cur = led_map;
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disp.frame += 1;
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breathe_mult = 1;
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if (led_animation_breathing)
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{
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led_animation_breathe_cur += breathe_step * breathe_dir;
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if (led_animation_breathe_cur >= BREATHE_MAX_STEP)
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breathe_dir = -1;
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else if (led_animation_breathe_cur <= BREATHE_MIN_STEP)
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breathe_dir = 1;
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//Brightness curve created for 256 steps, 0 - ~98%
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breathe_mult = 0.000015 * led_animation_breathe_cur * led_animation_breathe_cur;
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if (breathe_mult > 1) breathe_mult = 1;
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else if (breathe_mult < 0) breathe_mult = 0;
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}
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}
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uint8_t fcur = 0;
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uint8_t fmax = 0;
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//Frames setup
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while (f[fcur].end != 1)
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{
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fcur++; //Count frames
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}
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fmax = fcur; //Store total frames count
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while (led_cur < lede && led_this_run < led_per_run)
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{
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ro = 0;
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go = 0;
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bo = 0;
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if (led_lighting_mode == LED_MODE_KEYS_ONLY && led_cur->scan == 255)
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{
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//Do not act on this LED
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}
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else if (led_lighting_mode == LED_MODE_NON_KEYS_ONLY && led_cur->scan != 255)
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{
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//Do not act on this LED
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}
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else if (led_lighting_mode == LED_MODE_INDICATORS_ONLY)
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{
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//Do not act on this LED (Only show indicators)
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}
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else
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{
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//Act on LED
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for (fcur = 0; fcur < fmax; fcur++)
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{
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if (led_animation_orientation)
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{
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po = led_cur->py;
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}
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else
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{
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po = led_cur->px;
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}
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float pomod;
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pomod = (float)(disp.frame % (uint32_t)(1000.0f / led_animation_speed)) / 10.0f * led_animation_speed;
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//Add in any moving effects
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if ((!led_animation_direction && f[fcur].ef & EF_SCR_R) || (led_animation_direction && (f[fcur].ef & EF_SCR_L)))
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{
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pomod *= 100.0f;
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pomod = (uint32_t)pomod % 10000;
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pomod /= 100.0f;
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po -= pomod;
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if (po > 100) po -= 100;
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else if (po < 0) po += 100;
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}
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else if ((!led_animation_direction && f[fcur].ef & EF_SCR_L) || (led_animation_direction && (f[fcur].ef & EF_SCR_R)))
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{
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pomod *= 100.0f;
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pomod = (uint32_t)pomod % 10000;
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pomod /= 100.0f;
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po += pomod;
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if (po > 100) po -= 100;
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else if (po < 0) po += 100;
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}
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//Check if LED's po is in current frame
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if (po < f[fcur].hs) continue;
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if (po > f[fcur].he) continue;
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//note: < 0 or > 100 continue
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//Calculate the po within the start-stop percentage for color blending
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po = (po - f[fcur].hs) / (f[fcur].he - f[fcur].hs);
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//Add in any color effects
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if (f[fcur].ef & EF_OVER)
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{
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ro = (po * (f[fcur].re - f[fcur].rs)) + f[fcur].rs;// + 0.5;
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go = (po * (f[fcur].ge - f[fcur].gs)) + f[fcur].gs;// + 0.5;
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bo = (po * (f[fcur].be - f[fcur].bs)) + f[fcur].bs;// + 0.5;
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}
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else if (f[fcur].ef & EF_SUBTRACT)
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{
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ro -= (po * (f[fcur].re - f[fcur].rs)) + f[fcur].rs;// + 0.5;
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go -= (po * (f[fcur].ge - f[fcur].gs)) + f[fcur].gs;// + 0.5;
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bo -= (po * (f[fcur].be - f[fcur].bs)) + f[fcur].bs;// + 0.5;
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}
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else
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{
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ro += (po * (f[fcur].re - f[fcur].rs)) + f[fcur].rs;// + 0.5;
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go += (po * (f[fcur].ge - f[fcur].gs)) + f[fcur].gs;// + 0.5;
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bo += (po * (f[fcur].be - f[fcur].bs)) + f[fcur].bs;// + 0.5;
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}
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}
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}
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//Clamp values 0-255
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if (ro > 255) ro = 255; else if (ro < 0) ro = 0;
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if (go > 255) go = 255; else if (go < 0) go = 0;
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if (bo > 255) bo = 255; else if (bo < 0) bo = 0;
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if (led_animation_breathing)
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{
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ro *= breathe_mult;
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go *= breathe_mult;
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bo *= breathe_mult;
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}
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*led_cur->rgb.r = (uint8_t)ro;
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*led_cur->rgb.g = (uint8_t)go;
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*led_cur->rgb.b = (uint8_t)bo;
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#ifdef USB_LED_INDICATOR_ENABLE
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if (keyboard_leds())
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{
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uint8_t kbled = keyboard_leds();
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if (
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#if USB_LED_NUM_LOCK_SCANCODE != 255
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(led_cur->scan == USB_LED_NUM_LOCK_SCANCODE && kbled & (1<<USB_LED_NUM_LOCK)) ||
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#endif //NUM LOCK
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#if USB_LED_CAPS_LOCK_SCANCODE != 255
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(led_cur->scan == USB_LED_CAPS_LOCK_SCANCODE && kbled & (1<<USB_LED_CAPS_LOCK)) ||
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#endif //CAPS LOCK
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#if USB_LED_SCROLL_LOCK_SCANCODE != 255
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(led_cur->scan == USB_LED_SCROLL_LOCK_SCANCODE && kbled & (1<<USB_LED_SCROLL_LOCK)) ||
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#endif //SCROLL LOCK
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#if USB_LED_COMPOSE_SCANCODE != 255
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(led_cur->scan == USB_LED_COMPOSE_SCANCODE && kbled & (1<<USB_LED_COMPOSE)) ||
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#endif //COMPOSE
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#if USB_LED_KANA_SCANCODE != 255
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(led_cur->scan == USB_LED_KANA_SCANCODE && kbled & (1<<USB_LED_KANA)) ||
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#endif //KANA
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(0))
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{
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if (*led_cur->rgb.r > 127) *led_cur->rgb.r = 0;
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else *led_cur->rgb.r = 255;
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if (*led_cur->rgb.g > 127) *led_cur->rgb.g = 0;
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else *led_cur->rgb.g = 255;
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if (*led_cur->rgb.b > 127) *led_cur->rgb.b = 0;
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else *led_cur->rgb.b = 255;
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}
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}
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#endif //USB_LED_INDICATOR_ENABLE
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led_cur++;
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led_this_run++;
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}
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}
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uint8_t led_matrix_init(void)
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{
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DBGC(DC_LED_MATRIX_INIT_BEGIN);
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issi3733_prepare_arrays();
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led_matrix_prepare();
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disp.frame = 0;
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led_next_run = 0;
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led_enabled = 1;
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led_animation_id = 0;
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led_lighting_mode = LED_MODE_NORMAL;
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led_animation_speed = 4.0f;
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led_animation_direction = 0;
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led_animation_orientation = 0;
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led_animation_breathing = 0;
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led_animation_breathe_cur = BREATHE_MIN_STEP;
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breathe_step = 1;
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breathe_dir = 1;
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gcr_min_counter = 0;
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v_5v_cat_hit = 0;
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//Run led matrix code once for initial LED coloring
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led_cur = 0;
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rgb_matrix_init_user();
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led_matrix_run();
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DBGC(DC_LED_MATRIX_INIT_COMPLETE);
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return 0;
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}
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__attribute__ ((weak))
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void rgb_matrix_init_user(void) {
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}
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#define LED_UPDATE_RATE 10 //ms
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//led data processing can take time, so process data in chunks to free up the processor
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//this is done through led_cur and lede
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void led_matrix_task(void)
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{
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if (led_enabled)
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{
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//If an update may run and frame processing has completed
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if (CLK_get_ms() >= led_next_run && led_cur == lede)
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{
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uint8_t drvid;
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led_next_run = CLK_get_ms() + LED_UPDATE_RATE; //Set next frame update time
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//NOTE: GCR does not need to be timed with LED processing, but there is really no harm
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if (gcr_actual != gcr_actual_last)
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{
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for (drvid=0;drvid<ISSI3733_DRIVER_COUNT;drvid++)
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I2C_LED_Q_GCR(drvid); //Queue data
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gcr_actual_last = gcr_actual;
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}
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for (drvid=0;drvid<ISSI3733_DRIVER_COUNT;drvid++)
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I2C_LED_Q_PWM(drvid); //Queue data
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i2c_led_q_run();
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led_cur = 0; //Signal next frame calculations may begin
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}
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}
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//Process more data if not finished
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if (led_cur != lede)
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{
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//m15_off; //debug profiling
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led_matrix_run();
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//m15_on; //debug profiling
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}
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}
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