229 lines
6.0 KiB
C
229 lines
6.0 KiB
C
#include QMK_KEYBOARD_H
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#include "ch.h"
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#include "hal.h"
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#include "serial_link/system/serial_link.h"
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#ifdef VISUALIZER_ENABLE
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#include "lcd_backlight.h"
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#endif
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#ifdef WPM_ENABLE
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# include "serial_link/protocol/transport.h"
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# include "wpm.h"
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MASTER_TO_ALL_SLAVES_OBJECT(current_wpm, uint8_t);
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static remote_object_t* remote_objects[] = {
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REMOTE_OBJECT(current_wpm),
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};
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static uint8_t last_sent_wpm = 0;
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#endif
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void init_serial_link_hal(void) {
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PORTA->PCR[1] = PORTx_PCRn_PE | PORTx_PCRn_PS | PORTx_PCRn_PFE | PORTx_PCRn_MUX(2);
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PORTA->PCR[2] = PORTx_PCRn_DSE | PORTx_PCRn_SRE | PORTx_PCRn_MUX(2);
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PORTE->PCR[0] = PORTx_PCRn_PE | PORTx_PCRn_PS | PORTx_PCRn_PFE | PORTx_PCRn_MUX(3);
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PORTE->PCR[1] = PORTx_PCRn_DSE | PORTx_PCRn_SRE | PORTx_PCRn_MUX(3);
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}
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#define RED_PIN 1
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#define GREEN_PIN 2
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#define BLUE_PIN 3
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#define CHANNEL_RED FTM0->CHANNEL[0]
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#define CHANNEL_GREEN FTM0->CHANNEL[1]
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#define CHANNEL_BLUE FTM0->CHANNEL[2]
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#define RGB_PORT PORTC
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#define RGB_PORT_GPIO GPIOC
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// Base FTM clock selection (72 MHz system clock)
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// @ 0xFFFF period, 72 MHz / (0xFFFF * 2) = Actual period
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// Higher pre-scalar will use the most power (also look the best)
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// Pre-scalar calculations
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// 0 - 72 MHz -> 549 Hz
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// 1 - 36 MHz -> 275 Hz
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// 2 - 18 MHz -> 137 Hz
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// 3 - 9 MHz -> 69 Hz (Slightly visible flicker)
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// 4 - 4 500 kHz -> 34 Hz (Visible flickering)
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// 5 - 2 250 kHz -> 17 Hz
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// 6 - 1 125 kHz -> 9 Hz
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// 7 - 562 500 Hz -> 4 Hz
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// Using a higher pre-scalar without flicker is possible but FTM0_MOD will need to be reduced
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// Which will reduce the brightness range
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#define PRESCALAR_DEFINE 0
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void lcd_backlight_hal_init(void) {
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// Setup Backlight
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SIM->SCGC6 |= SIM_SCGC6_FTM0;
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FTM0->CNT = 0; // Reset counter
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// PWM Period
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// 16-bit maximum
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FTM0->MOD = 0xFFFF;
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// Set FTM to PWM output - Edge Aligned, Low-true pulses
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#define CNSC_MODE FTM_SC_CPWMS | FTM_SC_PS(4) | FTM_SC_CLKS(0)
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CHANNEL_RED.CnSC = CNSC_MODE;
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CHANNEL_GREEN.CnSC = CNSC_MODE;
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CHANNEL_BLUE.CnSC = CNSC_MODE;
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// System clock, /w prescalar setting
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FTM0->SC = FTM_SC_CLKS(1) | FTM_SC_PS(PRESCALAR_DEFINE);
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CHANNEL_RED.CnV = 0;
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CHANNEL_GREEN.CnV = 0;
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CHANNEL_BLUE.CnV = 0;
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RGB_PORT_GPIO->PDDR |= (1 << RED_PIN);
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RGB_PORT_GPIO->PDDR |= (1 << GREEN_PIN);
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RGB_PORT_GPIO->PDDR |= (1 << BLUE_PIN);
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#define RGB_MODE PORTx_PCRn_SRE | PORTx_PCRn_DSE | PORTx_PCRn_MUX(4)
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RGB_PORT->PCR[RED_PIN] = RGB_MODE;
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RGB_PORT->PCR[GREEN_PIN] = RGB_MODE;
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RGB_PORT->PCR[BLUE_PIN] = RGB_MODE;
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}
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static uint16_t cie_lightness(uint16_t v) {
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// The CIE 1931 formula for lightness
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// Y = luminance (output) 0-1
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// L = lightness input 0 - 100
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// Y = (L* / 902.3) if L* <= 8
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// Y = ((L* + 16) / 116)^3 if L* > 8
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float l = 100.0f * (v / 65535.0f);
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float y = 0.0f;
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if (l <= 8.0f) {
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y = l / 902.3;
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}
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else {
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y = ((l + 16.0f) / 116.0f);
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y = y * y * y;
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if (y > 1.0f) {
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y = 1.0f;
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}
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}
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return y * 65535.0f;
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}
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void lcd_backlight_hal_color(uint16_t r, uint16_t g, uint16_t b) {
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CHANNEL_RED.CnV = cie_lightness(r);
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CHANNEL_GREEN.CnV = cie_lightness(g);
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CHANNEL_BLUE.CnV = cie_lightness(b);
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}
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__attribute__ ((weak))
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void matrix_init_user(void) {
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}
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__attribute__ ((weak))
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void matrix_scan_user(void) {
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}
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void matrix_init_kb(void) {
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// put your keyboard start-up code here
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// runs once when the firmware starts up
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matrix_init_user();
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// The backlight always has to be initialized, otherwise it will stay lit
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#ifndef VISUALIZER_ENABLE
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lcd_backlight_hal_init();
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#endif
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#ifdef WPM_ENABLE
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add_remote_objects(remote_objects, sizeof(remote_objects) / sizeof(remote_object_t*));
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#endif
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}
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void matrix_scan_kb(void) {
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// put your looping keyboard code here
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// runs every cycle (a lot)
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#ifdef WPM_ENABLE
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if (is_serial_link_master()) {
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uint8_t current_wpm = get_current_wpm();
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if (current_wpm != last_sent_wpm) {
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*begin_write_current_wpm() = current_wpm;
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end_write_current_wpm();
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last_sent_wpm = current_wpm;
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}
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} else if (is_serial_link_connected()) {
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uint8_t* new_wpm = read_current_wpm();
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if (new_wpm) {
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set_current_wpm(*new_wpm);
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}
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}
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#endif
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matrix_scan_user();
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}
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bool is_keyboard_master(void) {
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return is_serial_link_master();
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}
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__attribute__ ((weak))
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void ergodox_board_led_on(void){
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}
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__attribute__ ((weak))
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void ergodox_right_led_1_on(void){
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}
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__attribute__ ((weak))
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void ergodox_right_led_2_on(void){
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}
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__attribute__ ((weak))
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void ergodox_right_led_3_on(void){
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}
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__attribute__ ((weak))
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void ergodox_board_led_off(void){
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}
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__attribute__ ((weak))
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void ergodox_right_led_1_off(void){
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}
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__attribute__ ((weak))
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void ergodox_right_led_2_off(void){
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}
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__attribute__ ((weak))
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void ergodox_right_led_3_off(void){
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}
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__attribute__ ((weak))
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void ergodox_right_led_1_set(uint8_t n) {
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}
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__attribute__ ((weak))
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void ergodox_right_led_2_set(uint8_t n) {
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}
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__attribute__ ((weak))
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void ergodox_right_led_3_set(uint8_t n) {
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}
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#ifdef SWAP_HANDS_ENABLE
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__attribute__ ((weak))
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const keypos_t hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {
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{{0, 9}, {1, 9}, {2, 9}, {3, 9}, {4, 9}},
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{{0, 10}, {1, 10}, {2, 10}, {3, 10}, {4, 10}},
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{{0, 11}, {1, 11}, {2, 11}, {3, 11}, {4, 11}},
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{{0, 12}, {1, 12}, {2, 12}, {3, 12}, {4, 12}},
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{{0, 13}, {1, 13}, {2, 13}, {3, 13}, {4, 13}},
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{{0, 14}, {1, 14}, {2, 14}, {3, 14}, {4, 14}},
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{{0, 15}, {1, 15}, {2, 15}, {3, 15}, {4, 15}},
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{{0, 16}, {1, 16}, {2, 16}, {3, 16}, {4, 16}},
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{{0, 17}, {1, 17}, {2, 17}, {3, 17}, {4, 17}},
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{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}},
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{{0, 1}, {1, 1}, {2, 1}, {3, 1}, {4, 1}},
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{{0, 2}, {1, 2}, {2, 2}, {3, 2}, {4, 2}},
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{{0, 3}, {1, 3}, {2, 3}, {3, 3}, {4, 3}},
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{{0, 4}, {1, 4}, {2, 4}, {3, 4}, {4, 4}},
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{{0, 5}, {1, 5}, {2, 5}, {3, 5}, {4, 5}},
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{{0, 6}, {1, 6}, {2, 6}, {3, 6}, {4, 6}},
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{{0, 7}, {1, 7}, {2, 7}, {3, 7}, {4, 7}},
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{{0, 8}, {1, 8}, {2, 8}, {3, 8}, {4, 8}},
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};
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#endif
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