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qmk_firmware/keyboards/input_club/ergodox_infinity/ergodox_infinity.c

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C
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#include "ergodox_infinity.h"
#include <ch.h>
#include <hal.h>
#include <string.h>
#include "eeconfig.h"
#define RED_PIN 1
#define GREEN_PIN 2
#define BLUE_PIN 3
#define CHANNEL_RED FTM0->CHANNEL[0]
#define CHANNEL_GREEN FTM0->CHANNEL[1]
#define CHANNEL_BLUE FTM0->CHANNEL[2]
#define RGB_PORT PORTC
#define RGB_PORT_GPIO GPIOC
// Base FTM clock selection (72 MHz system clock)
// @ 0xFFFF period, 72 MHz / (0xFFFF * 2) = Actual period
// Higher pre-scalar will use the most power (also look the best)
// Pre-scalar calculations
// 0 - 72 MHz -> 549 Hz
// 1 - 36 MHz -> 275 Hz
// 2 - 18 MHz -> 137 Hz
// 3 - 9 MHz -> 69 Hz (Slightly visible flicker)
// 4 - 4 500 kHz -> 34 Hz (Visible flickering)
// 5 - 2 250 kHz -> 17 Hz
// 6 - 1 125 kHz -> 9 Hz
// 7 - 562 500 Hz -> 4 Hz
// Using a higher pre-scalar without flicker is possible but FTM0_MOD will need to be reduced
// Which will reduce the brightness range
#define PRESCALAR_DEFINE 0
void lcd_backlight_hal_init(void) {
// Setup Backlight
SIM->SCGC6 |= SIM_SCGC6_FTM0;
FTM0->CNT = 0; // Reset counter
// PWM Period
// 16-bit maximum
FTM0->MOD = 0xFFFF;
// Set FTM to PWM output - Edge Aligned, Low-true pulses
#define CNSC_MODE FTM_SC_CPWMS | FTM_SC_PS(4) | FTM_SC_CLKS(0)
CHANNEL_RED.CnSC = CNSC_MODE;
CHANNEL_GREEN.CnSC = CNSC_MODE;
CHANNEL_BLUE.CnSC = CNSC_MODE;
// System clock, /w prescalar setting
FTM0->SC = FTM_SC_CLKS(1) | FTM_SC_PS(PRESCALAR_DEFINE);
CHANNEL_RED.CnV = 0;
CHANNEL_GREEN.CnV = 0;
CHANNEL_BLUE.CnV = 0;
RGB_PORT_GPIO->PDDR |= (1 << RED_PIN);
RGB_PORT_GPIO->PDDR |= (1 << GREEN_PIN);
RGB_PORT_GPIO->PDDR |= (1 << BLUE_PIN);
#define RGB_MODE PORTx_PCRn_SRE | PORTx_PCRn_DSE | PORTx_PCRn_MUX(4)
RGB_PORT->PCR[RED_PIN] = RGB_MODE;
RGB_PORT->PCR[GREEN_PIN] = RGB_MODE;
RGB_PORT->PCR[BLUE_PIN] = RGB_MODE;
}
static uint16_t cie_lightness(uint16_t v) {
// The CIE 1931 formula for lightness
// Y = luminance (output) 0-1
// L = lightness input 0 - 100
// Y = (L* / 902.3) if L* <= 8
// Y = ((L* + 16) / 116)^3 if L* > 8
float l = 100.0f * (v / 65535.0f);
float y = 0.0f;
if (l <= 8.0f) {
y = l / 902.3;
} else {
y = ((l + 16.0f) / 116.0f);
y = y * y * y;
if (y > 1.0f) {
y = 1.0f;
}
}
return y * 65535.0f;
}
void ergodox_infinity_lcd_color(uint16_t r, uint16_t g, uint16_t b) {
CHANNEL_RED.CnV = cie_lightness(r);
CHANNEL_GREEN.CnV = cie_lightness(g);
CHANNEL_BLUE.CnV = cie_lightness(b);
}
__attribute__ ((weak)) void matrix_init_user(void) {}
__attribute__ ((weak)) void matrix_scan_user(void) {}
void keyboard_pre_init_kb(void) {
// The backlight always has to be initialized, otherwise it will stay lit
lcd_backlight_hal_init();
#ifdef ST7565_ENABLE
ergodox_infinity_lcd_color(UINT16_MAX / 2, UINT16_MAX / 2, UINT16_MAX / 2);
#endif
keyboard_pre_init_user();
}
void matrix_init_kb(void) {
// put your keyboard start-up code here
// runs once when the firmware starts up
#ifdef LED_MATRIX_ENABLE
/*
* Since K20x is stuck with a 32 byte EEPROM (see tmk_core/common/chibios/eeprom_teensy.c),
* and neither led_matrix_eeconfig.speed or .flags fit in this boundary, just force their values to default on boot.
*/
led_matrix_set_speed(LED_MATRIX_DEFAULT_SPD);
led_matrix_set_flags(LED_FLAG_ALL);
#endif
matrix_init_user();
}
__attribute__ ((weak)) void ergodox_board_led_on(void) {}
__attribute__ ((weak)) void ergodox_right_led_1_on(void) {}
__attribute__ ((weak)) void ergodox_right_led_2_on(void) {}
__attribute__ ((weak)) void ergodox_right_led_3_on(void) {}
__attribute__ ((weak)) void ergodox_board_led_off(void) {}
__attribute__ ((weak)) void ergodox_right_led_1_off(void) {}
__attribute__ ((weak)) void ergodox_right_led_2_off(void) {}
__attribute__ ((weak)) void ergodox_right_led_3_off(void) {}
__attribute__ ((weak)) void ergodox_right_led_1_set(uint8_t n) {}
__attribute__ ((weak)) void ergodox_right_led_2_set(uint8_t n) {}
__attribute__ ((weak)) void ergodox_right_led_3_set(uint8_t n) {}
#ifdef SWAP_HANDS_ENABLE
__attribute__ ((weak))
const keypos_t PROGMEM hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {
{{0, 9}, {1, 9}, {2, 9}, {3, 9}, {4, 9}},
{{0, 10}, {1, 10}, {2, 10}, {3, 10}, {4, 10}},
{{0, 11}, {1, 11}, {2, 11}, {3, 11}, {4, 11}},
{{0, 12}, {1, 12}, {2, 12}, {3, 12}, {4, 12}},
{{0, 13}, {1, 13}, {2, 13}, {3, 13}, {4, 13}},
{{0, 14}, {1, 14}, {2, 14}, {3, 14}, {4, 14}},
{{0, 15}, {1, 15}, {2, 15}, {3, 15}, {4, 15}},
{{0, 16}, {1, 16}, {2, 16}, {3, 16}, {4, 16}},
{{0, 17}, {1, 17}, {2, 17}, {3, 17}, {4, 17}},
{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}},
{{0, 1}, {1, 1}, {2, 1}, {3, 1}, {4, 1}},
{{0, 2}, {1, 2}, {2, 2}, {3, 2}, {4, 2}},
{{0, 3}, {1, 3}, {2, 3}, {3, 3}, {4, 3}},
{{0, 4}, {1, 4}, {2, 4}, {3, 4}, {4, 4}},
{{0, 5}, {1, 5}, {2, 5}, {3, 5}, {4, 5}},
{{0, 6}, {1, 6}, {2, 6}, {3, 6}, {4, 6}},
{{0, 7}, {1, 7}, {2, 7}, {3, 7}, {4, 7}},
{{0, 8}, {1, 8}, {2, 8}, {3, 8}, {4, 8}},
};
#endif
#ifdef LED_MATRIX_ENABLE
const is31fl3731_led_t PROGMEM g_is31fl3731_leds[IS31FL3731_LED_COUNT] = {
// The numbers in the comments are the led numbers DXX on the PCB
/* Refer to IS31 manual for these locations
* driver
* | LED address
* | | */
// Left half
// 45 44 43 42 41 40 39
{ 0, C2_2 }, { 0, C1_2 }, { 0, C5_1 }, { 0, C4_1 }, { 0, C3_1 }, { 0, C2_1 }, { 0, C1_1 },
// 52 51 50 49 48 47 46
{ 0, C4_3 }, { 0, C3_3 }, { 0, C2_3 }, { 0, C1_3 }, { 0, C5_2 }, { 0, C4_2 }, { 0, C3_2 },
// 58 57 56 55 54 53
{ 0, C5_4 }, { 0, C4_4 }, { 0, C3_4 }, { 0, C2_4 }, { 0, C1_4 }, { 0, C5_3 },
// 67 66 65 64 63 62 61
{ 0, C4_6 }, { 0, C3_6 }, { 0, C2_6 }, { 0, C1_6 }, { 0, C5_5 }, { 0, C4_5 }, { 0, C3_5 },
// 76 75 74 73 72
{ 0, C4_8 }, { 0, C3_8 }, { 0, C2_8 }, { 0, C1_8 }, { 0, C4_7 },
// 60 59
{ 0, C2_5 }, { 0, C1_5 },
// 68
{ 0, C5_6 },
// 71 70 69
{ 0, C3_7 }, { 0, C2_7 }, { 0, C1_7 },
// Right half (mirrored)
// Due to how LED_MATRIX_SPLIT is implemented, only the first half of g_is31fl3731_leds is actually used.
// Luckily, the right half has the same LED pinouts, just mirrored.
// 45 44 43 42 41 40 39
{ 0, C2_2 }, { 0, C1_2 }, { 0, C5_1 }, { 0, C4_1 }, { 0, C3_1 }, { 0, C2_1 }, { 0, C1_1 },
// 52 51 50 49 48 47 46
{ 0, C4_3 }, { 0, C3_3 }, { 0, C2_3 }, { 0, C1_3 }, { 0, C5_2 }, { 0, C4_2 }, { 0, C3_2 },
// 58 57 56 55 54 53
{ 0, C5_4 }, { 0, C4_4 }, { 0, C3_4 }, { 0, C2_4 }, { 0, C1_4 }, { 0, C5_3 },
// 67 66 65 64 63 62 61
{ 0, C4_6 }, { 0, C3_6 }, { 0, C2_6 }, { 0, C1_6 }, { 0, C5_5 }, { 0, C4_5 }, { 0, C3_5 },
// 76 75 74 73 72
{ 0, C4_8 }, { 0, C3_8 }, { 0, C2_8 }, { 0, C1_8 }, { 0, C4_7 },
// 60 59
{ 0, C2_5 }, { 0, C1_5 },
// 68
{ 0, C5_6 },
// 71 70 69
{ 0, C3_7 }, { 0, C2_7 }, { 0, C1_7 },
};
#endif
#ifdef ST7565_ENABLE
__attribute__((weak)) void st7565_on_user(void) {
ergodox_infinity_lcd_color(UINT16_MAX / 2, UINT16_MAX / 2, UINT16_MAX / 2);
}
__attribute__((weak)) void st7565_off_user(void) {
ergodox_infinity_lcd_color(0, 0, 0);
}
static void format_layer_bitmap_string(char* buffer, uint8_t offset) {
for (int i = 0; i < 16 && i + offset < MAX_LAYER; i++) {
if (i == 0 || i == 4 || i == 8 || i == 12) {
*buffer = ' ';
++buffer;
}
uint8_t layer = i + offset;
if (layer_state_cmp(default_layer_state, layer)) {
*buffer = 'D';
} else if (layer_state_is(layer)) {
*buffer = '1';
} else {
*buffer = '_';
}
++buffer;
}
*buffer = 0;
}
__attribute__((weak)) void st7565_task_user(void) {
if (is_keyboard_master()) {
// Draw led and layer status
led_t leds = host_keyboard_led_state();
if(leds.num_lock) { st7565_write("Num ", false); }
if(leds.caps_lock) { st7565_write("Cap ", false); }
if(leds.scroll_lock) { st7565_write("Scrl ", false); }
if(leds.compose) { st7565_write("Com ", false); }
if(leds.kana) { st7565_write("Kana", false); }
st7565_advance_page(true);
char layer_buffer[16 + 5]; // 3 spaces and one null terminator
st7565_set_cursor(0, 1);
format_layer_bitmap_string(layer_buffer, 0);
st7565_write_ln(layer_buffer, false);
format_layer_bitmap_string(layer_buffer, 16);
st7565_write_ln(layer_buffer, false);
st7565_write_ln(" 1=On D=Default", false);
} else {
// Draw logo
static const char qmk_logo[] = {
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94,
0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0xB2, 0xB3, 0xB4,
0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0x00
};
st7565_write(qmk_logo, false);
st7565_write(" Infinity Ergodox ", false);
}
}
#endif
#if defined(SPLIT_KEYBOARD)
void usart_master_init(SerialDriver **driver) {
PORTA->PCR[1] = PORTx_PCRn_PE | PORTx_PCRn_PS | PORTx_PCRn_PFE | PORTx_PCRn_MUX(2);
PORTA->PCR[2] = PORTx_PCRn_DSE | PORTx_PCRn_SRE | PORTx_PCRn_MUX(2);
// driver is set to SD1 in config.h
}
void usart_slave_init(SerialDriver **driver) {
PORTE->PCR[0] = PORTx_PCRn_PE | PORTx_PCRn_PS | PORTx_PCRn_PFE | PORTx_PCRn_MUX(3);
PORTE->PCR[1] = PORTx_PCRn_DSE | PORTx_PCRn_SRE | PORTx_PCRn_MUX(3);
*driver = &SD2;
}
#endif
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