289 lines
11 KiB
C
289 lines
11 KiB
C
#include "ergodox_infinity.h"
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#include <ch.h>
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#include <hal.h>
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#include <string.h>
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#include "eeconfig.h"
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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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} 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 ergodox_infinity_lcd_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)) void matrix_init_user(void) {}
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__attribute__ ((weak)) void matrix_scan_user(void) {}
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void keyboard_pre_init_kb(void) {
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// The backlight always has to be initialized, otherwise it will stay lit
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lcd_backlight_hal_init();
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#ifdef ST7565_ENABLE
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ergodox_infinity_lcd_color(UINT16_MAX / 2, UINT16_MAX / 2, UINT16_MAX / 2);
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#endif
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keyboard_pre_init_user();
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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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#ifdef LED_MATRIX_ENABLE
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/*
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* Since K20x is stuck with a 32 byte EEPROM (see tmk_core/common/chibios/eeprom_teensy.c),
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* and neither led_matrix_eeconfig.speed or .flags fit in this boundary, just force their values to default on boot.
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*/
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led_matrix_set_speed(LED_MATRIX_DEFAULT_SPD);
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led_matrix_set_flags(LED_FLAG_ALL);
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#endif
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matrix_init_user();
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}
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__attribute__ ((weak)) void ergodox_board_led_on(void) {}
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__attribute__ ((weak)) void ergodox_right_led_1_on(void) {}
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__attribute__ ((weak)) void ergodox_right_led_2_on(void) {}
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__attribute__ ((weak)) void ergodox_right_led_3_on(void) {}
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__attribute__ ((weak)) void ergodox_board_led_off(void) {}
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__attribute__ ((weak)) void ergodox_right_led_1_off(void) {}
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__attribute__ ((weak)) void ergodox_right_led_2_off(void) {}
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__attribute__ ((weak)) void ergodox_right_led_3_off(void) {}
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__attribute__ ((weak)) void ergodox_right_led_1_set(uint8_t n) {}
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__attribute__ ((weak)) void ergodox_right_led_2_set(uint8_t n) {}
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__attribute__ ((weak)) void ergodox_right_led_3_set(uint8_t n) {}
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#ifdef SWAP_HANDS_ENABLE
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__attribute__ ((weak))
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const keypos_t PROGMEM 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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#ifdef LED_MATRIX_ENABLE
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const is31fl3731_led_t PROGMEM g_is31fl3731_leds[IS31FL3731_LED_COUNT] = {
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// The numbers in the comments are the led numbers DXX on the PCB
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/* Refer to IS31 manual for these locations
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* driver
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* | LED address
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* | | */
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// Left half
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// 45 44 43 42 41 40 39
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{ 0, C2_2 }, { 0, C1_2 }, { 0, C5_1 }, { 0, C4_1 }, { 0, C3_1 }, { 0, C2_1 }, { 0, C1_1 },
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// 52 51 50 49 48 47 46
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{ 0, C4_3 }, { 0, C3_3 }, { 0, C2_3 }, { 0, C1_3 }, { 0, C5_2 }, { 0, C4_2 }, { 0, C3_2 },
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// 58 57 56 55 54 53
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{ 0, C5_4 }, { 0, C4_4 }, { 0, C3_4 }, { 0, C2_4 }, { 0, C1_4 }, { 0, C5_3 },
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// 67 66 65 64 63 62 61
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{ 0, C4_6 }, { 0, C3_6 }, { 0, C2_6 }, { 0, C1_6 }, { 0, C5_5 }, { 0, C4_5 }, { 0, C3_5 },
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// 76 75 74 73 72
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{ 0, C4_8 }, { 0, C3_8 }, { 0, C2_8 }, { 0, C1_8 }, { 0, C4_7 },
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// 60 59
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{ 0, C2_5 }, { 0, C1_5 },
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// 68
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{ 0, C5_6 },
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// 71 70 69
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{ 0, C3_7 }, { 0, C2_7 }, { 0, C1_7 },
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// Right half (mirrored)
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// Due to how LED_MATRIX_SPLIT is implemented, only the first half of g_is31fl3731_leds is actually used.
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// Luckily, the right half has the same LED pinouts, just mirrored.
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// 45 44 43 42 41 40 39
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{ 0, C2_2 }, { 0, C1_2 }, { 0, C5_1 }, { 0, C4_1 }, { 0, C3_1 }, { 0, C2_1 }, { 0, C1_1 },
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// 52 51 50 49 48 47 46
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{ 0, C4_3 }, { 0, C3_3 }, { 0, C2_3 }, { 0, C1_3 }, { 0, C5_2 }, { 0, C4_2 }, { 0, C3_2 },
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// 58 57 56 55 54 53
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{ 0, C5_4 }, { 0, C4_4 }, { 0, C3_4 }, { 0, C2_4 }, { 0, C1_4 }, { 0, C5_3 },
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// 67 66 65 64 63 62 61
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{ 0, C4_6 }, { 0, C3_6 }, { 0, C2_6 }, { 0, C1_6 }, { 0, C5_5 }, { 0, C4_5 }, { 0, C3_5 },
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// 76 75 74 73 72
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{ 0, C4_8 }, { 0, C3_8 }, { 0, C2_8 }, { 0, C1_8 }, { 0, C4_7 },
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// 60 59
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{ 0, C2_5 }, { 0, C1_5 },
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// 68
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{ 0, C5_6 },
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// 71 70 69
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{ 0, C3_7 }, { 0, C2_7 }, { 0, C1_7 },
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};
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#endif
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#ifdef ST7565_ENABLE
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__attribute__((weak)) void st7565_on_user(void) {
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ergodox_infinity_lcd_color(UINT16_MAX / 2, UINT16_MAX / 2, UINT16_MAX / 2);
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}
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__attribute__((weak)) void st7565_off_user(void) {
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ergodox_infinity_lcd_color(0, 0, 0);
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}
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static void format_layer_bitmap_string(char* buffer, uint8_t offset) {
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for (int i = 0; i < 16 && i + offset < MAX_LAYER; i++) {
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if (i == 0 || i == 4 || i == 8 || i == 12) {
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*buffer = ' ';
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++buffer;
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}
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uint8_t layer = i + offset;
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if (layer_state_cmp(default_layer_state, layer)) {
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*buffer = 'D';
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} else if (layer_state_is(layer)) {
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*buffer = '1';
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} else {
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*buffer = '_';
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}
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++buffer;
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}
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*buffer = 0;
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}
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__attribute__((weak)) void st7565_task_user(void) {
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if (is_keyboard_master()) {
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// Draw led and layer status
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led_t leds = host_keyboard_led_state();
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if(leds.num_lock) { st7565_write("Num ", false); }
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if(leds.caps_lock) { st7565_write("Cap ", false); }
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if(leds.scroll_lock) { st7565_write("Scrl ", false); }
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if(leds.compose) { st7565_write("Com ", false); }
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if(leds.kana) { st7565_write("Kana", false); }
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st7565_advance_page(true);
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char layer_buffer[16 + 5]; // 3 spaces and one null terminator
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st7565_set_cursor(0, 1);
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format_layer_bitmap_string(layer_buffer, 0);
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st7565_write_ln(layer_buffer, false);
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format_layer_bitmap_string(layer_buffer, 16);
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st7565_write_ln(layer_buffer, false);
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st7565_write_ln(" 1=On D=Default", false);
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} else {
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// Draw logo
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static const char qmk_logo[] = {
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0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94,
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0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0xB2, 0xB3, 0xB4,
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0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0x00
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};
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st7565_write(qmk_logo, false);
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st7565_write(" Infinity Ergodox ", false);
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}
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}
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#endif
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#if defined(SPLIT_KEYBOARD)
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void usart_master_init(SerialDriver **driver) {
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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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// driver is set to SD1 in config.h
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}
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void usart_slave_init(SerialDriver **driver) {
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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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*driver = &SD2;
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}
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#endif
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