Add SSD1306 OLED display support to TKC1800 (#2293)

* Add support for SSD1306 OLED display

* Correct keymap

Had tilde on keymap instead of grave, corrected.

* Winkeyless keymap
This commit is contained in:
TerryMathews 2018-01-25 01:00:59 -05:00 committed by Jack Humbert
parent 7c3d2d5f64
commit 61d851af65
7 changed files with 479 additions and 22 deletions

166
keyboards/tkc1800/i2c.c Normal file
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@ -0,0 +1,166 @@
#include <util/twi.h>
#include <avr/io.h>
#include <stdlib.h>
#include <avr/interrupt.h>
#include <util/twi.h>
#include <stdbool.h>
#include "i2c.h"
#ifdef USE_I2C
// Limits the amount of we wait for any one i2c transaction.
// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is
// 9 bits, a single transaction will take around 90μs to complete.
//
// (F_CPU/SCL_CLOCK) => # of μC cycles to transfer a bit
// poll loop takes at least 8 clock cycles to execute
#define I2C_LOOP_TIMEOUT (9+1)*(F_CPU/SCL_CLOCK)/8
#define BUFFER_POS_INC() (slave_buffer_pos = (slave_buffer_pos+1)%SLAVE_BUFFER_SIZE)
volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
static volatile uint8_t slave_buffer_pos;
static volatile bool slave_has_register_set = false;
// Wait for an i2c operation to finish
inline static
void i2c_delay(void) {
uint16_t lim = 0;
while(!(TWCR & (1<<TWINT)) && lim < I2C_LOOP_TIMEOUT)
lim++;
// easier way, but will wait slightly longer
// _delay_us(100);
}
// Setup twi to run at 100kHz
void i2c_master_init(void) {
// no prescaler
TWSR = 0;
// Set TWI clock frequency to SCL_CLOCK. Need TWBR>10.
// Check datasheets for more info.
TWBR = ((F_CPU/SCL_CLOCK)-16)/2;
}
// Start a transaction with the given i2c slave address. The direction of the
// transfer is set with I2C_READ and I2C_WRITE.
// returns: 0 => success
// 1 => error
uint8_t i2c_master_start(uint8_t address) {
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
i2c_delay();
// check that we started successfully
if ( (TW_STATUS != TW_START) && (TW_STATUS != TW_REP_START))
return 1;
// send device address
TWDR = address;
TWCR = (1<<TWINT) | (1<<TWEN);
i2c_delay();
if ( (TW_STATUS != TW_MT_SLA_ACK) && (TW_STATUS != TW_MR_SLA_ACK) )
return 1; // slave did not acknowledge
else
return 0; // success
}
// Finish the i2c transaction.
void i2c_master_stop(void) {
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
uint16_t lim = 0;
while(!(TWCR & (1<<TWSTO)) && lim < I2C_LOOP_TIMEOUT)
lim++;
}
// Write one byte to the i2c slave.
// returns 0 => slave ACK
// 1 => slave NACK
uint8_t i2c_master_write(uint8_t data) {
TWDR = data;
TWCR = (1<<TWINT) | (1<<TWEN);
i2c_delay();
// check if the slave acknowledged us
return (TW_STATUS == TW_MT_DATA_ACK) ? 0 : 1;
}
// Read one byte from the i2c slave. If ack=1 the slave is acknowledged,
// if ack=0 the acknowledge bit is not set.
// returns: byte read from i2c device
uint8_t i2c_master_read(int ack) {
TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA);
i2c_delay();
return TWDR;
}
void i2c_reset_state(void) {
TWCR = 0;
}
void i2c_slave_init(uint8_t address) {
TWAR = address << 0; // slave i2c address
// TWEN - twi enable
// TWEA - enable address acknowledgement
// TWINT - twi interrupt flag
// TWIE - enable the twi interrupt
TWCR = (1<<TWIE) | (1<<TWEA) | (1<<TWINT) | (1<<TWEN);
}
ISR(TWI_vect);
ISR(TWI_vect) {
uint8_t ack = 1;
switch(TW_STATUS) {
case TW_SR_SLA_ACK:
// this device has been addressed as a slave receiver
slave_has_register_set = false;
break;
case TW_SR_DATA_ACK:
// this device has received data as a slave receiver
// The first byte that we receive in this transaction sets the location
// of the read/write location of the slaves memory that it exposes over
// i2c. After that, bytes will be written at slave_buffer_pos, incrementing
// slave_buffer_pos after each write.
if(!slave_has_register_set) {
slave_buffer_pos = TWDR;
// don't acknowledge the master if this memory loctaion is out of bounds
if ( slave_buffer_pos >= SLAVE_BUFFER_SIZE ) {
ack = 0;
slave_buffer_pos = 0;
}
slave_has_register_set = true;
} else {
i2c_slave_buffer[slave_buffer_pos] = TWDR;
BUFFER_POS_INC();
}
break;
case TW_ST_SLA_ACK:
case TW_ST_DATA_ACK:
// master has addressed this device as a slave transmitter and is
// requesting data.
TWDR = i2c_slave_buffer[slave_buffer_pos];
BUFFER_POS_INC();
break;
case TW_BUS_ERROR: // something went wrong, reset twi state
TWCR = 0;
default:
break;
}
// Reset everything, so we are ready for the next TWI interrupt
TWCR |= (1<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN);
}
#endif

49
keyboards/tkc1800/i2c.h Normal file
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@ -0,0 +1,49 @@
#ifndef I2C_H
#define I2C_H
#include <stdint.h>
#ifndef F_CPU
#define F_CPU 16000000UL
#endif
#define I2C_READ 1
#define I2C_WRITE 0
#define I2C_ACK 1
#define I2C_NACK 0
#define SLAVE_BUFFER_SIZE 0x10
// i2c SCL clock frequency
#define SCL_CLOCK 800000L
extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
void i2c_master_init(void);
uint8_t i2c_master_start(uint8_t address);
void i2c_master_stop(void);
uint8_t i2c_master_write(uint8_t data);
uint8_t i2c_master_read(int);
void i2c_reset_state(void);
void i2c_slave_init(uint8_t address);
static inline unsigned char i2c_start_read(unsigned char addr) {
return i2c_master_start((addr << 1) | I2C_READ);
}
static inline unsigned char i2c_start_write(unsigned char addr) {
return i2c_master_start((addr << 1) | I2C_WRITE);
}
// from SSD1306 scrips
extern unsigned char i2c_rep_start(unsigned char addr);
extern void i2c_start_wait(unsigned char addr);
extern unsigned char i2c_readAck(void);
extern unsigned char i2c_readNak(void);
extern unsigned char i2c_read(unsigned char ack);
#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak();
#endif

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@ -19,6 +19,11 @@
#include "../../config.h"
#define USE_I2C
#define SSD1306OLED
//#define OLED_ROTATE180
#define SSD1306_ADDRESS 0x3C
// place overrides here
#endif

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@ -14,21 +14,33 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "tkc1800.h"
#include "LUFA/Drivers/Peripheral/TWI.h"
#include "i2c.h"
#include "ssd1306.h"
#define MODS_SHFT_MASK (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT)|MOD_BIT(KC_LGUI)|MOD_BIT(KC_RGUI))
#define MODS_GUI_MASK (MOD_BIT(KC_LGUI)|MOD_BIT(KC_RGUI))
// Helpful defines
#define ______ KC_TRNS
#define XXXXXX KC_NO
#define _DEFAULT 0
#define _FUNCTION 1
//Layers
enum {
BASE = 0,
FUNCTION,
};
//13 characters max without re-writing the "Layer: " format in iota_gfx_task_user()
static char layer_lookup[][14] = {"Base","Function"};
//RGB_TOG, RGB_MOD, RGB_HUI, RGB_HUD, RGB_SAI, RGB_SAD, RGB_VAI, RGB_VAD
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Keymap _BL: (Base Layer) Default Layer
/* Keymap BASE: (Base Layer) Default Layer
* ,-------------------------------------------------------. ,-------------------.
* |Esc| F1| F2| F3| F4| | F5| F6| F7| F8| | F9|F10|F11|F12| |Ins |Home|PgUp|PrSc|
* `-------------------------------------------------------' |-------------------|
@ -45,37 +57,28 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
* |Ctrl|Gui |Alt | Space |Alt |Gui|Ctr|Left |Down|Rght| 0 | . | |
* `---------------------------------------------------------------------------------'
*/
[_DEFAULT] = KEYMAP(
[BASE] = KEYMAP(
KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_INS, KC_HOME, KC_PGUP, KC_PSCR, \
KC_DEL, KC_END, KC_PGDN, KC_SLCK, \
KC_TILD, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, XXXXXX, KC_NLCK, KC_PSLS, KC_PAST, KC_PAUS, \
KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, XXXXXX, KC_NLCK, KC_PSLS, KC_PAST, KC_PAUS, \
KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_P7, KC_P8, KC_P9, KC_PMNS, \
KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, XXXXXX, KC_ENT, KC_P4, KC_P5, KC_P6, KC_PPLS, \
KC_LSFT, XXXXXX, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT,KC_SLSH, KC_RSFT, KC_UP, KC_P1, KC_P2, KC_P3, KC_PENT, \
KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, MO(_FUNCTION), KC_RGUI, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT, KC_P0, KC_PDOT, XXXXXX
KC_LSFT, XXXXXX, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT,KC_SLSH, KC_RSFT, KC_UP, KC_P1, KC_P2, KC_P3, XXXXXX, \
KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, KC_RALT, MO(FUNCTION), KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT, KC_P0, KC_PDOT, KC_PENT
),
[_FUNCTION] = KEYMAP(
[FUNCTION] = KEYMAP(
KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_INS, KC_HOME, KC_PGUP, KC_PSCR, \
KC_DEL, KC_END, KC_PGDN, KC_SLCK, \
KC_TILD, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, XXXXXX, KC_NLCK, KC_PSLS, KC_PAST, KC_PAUS, \
KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, RESET, XXXXXX, KC_NLCK, KC_PSLS, KC_PAST, KC_PAUS, \
KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_P7, KC_P8, KC_P9, KC_PMNS, \
KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, XXXXXX, KC_ENT, KC_P4, KC_P5, KC_P6, KC_PPLS, \
KC_LSFT, XXXXXX, RGB_TOG,RGB_MOD,RGB_HUI,RGB_HUD,RGB_SAI,RGB_SAD,RGB_VAI,RGB_VAD, KC_DOT,KC_SLSH, KC_RSFT, KC_UP, KC_P1, KC_P2, KC_P3, KC_PENT, \
KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, ______, KC_RGUI, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT, KC_P0, KC_PDOT, XXXXXX
KC_LSFT, XXXXXX, RGB_TOG,RGB_MOD,RGB_HUI,RGB_HUD,RGB_SAI,RGB_SAD,RGB_VAI,RGB_VAD, KC_DOT,KC_SLSH, KC_RSFT, KC_UP, KC_P1, KC_P2, KC_P3, XXXXXX, \
KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, KC_RALT, ______, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT, KC_P0, KC_PDOT, KC_PENT
),
};
// const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) {};
void matrix_init_user(void) {
}
void matrix_scan_user(void) {
}
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
return true;
}
@ -83,3 +86,60 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
void led_set_user(uint8_t usb_led) {
}
void matrix_init_user(void) {
#ifdef USE_I2C
i2c_master_init();
#ifdef SSD1306OLED
// calls code for the SSD1306 OLED
_delay_ms(400);
TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 800000));
iota_gfx_init(); // turns on the display
#endif
#endif
#ifdef AUDIO_ENABLE
startup_user();
#endif
}
void matrix_scan_user(void) {
#ifdef SSD1306OLED
iota_gfx_task(); // this is what updates the display continuously
#endif
}
void matrix_update(struct CharacterMatrix *dest,
const struct CharacterMatrix *source) {
if (memcmp(dest->display, source->display, sizeof(dest->display))) {
memcpy(dest->display, source->display, sizeof(dest->display));
dest->dirty = true;
}
}
void iota_gfx_task_user(void) {
#if DEBUG_TO_SCREEN
if (debug_enable) {
return;
}
#endif
struct CharacterMatrix matrix;
matrix_clear(&matrix);
matrix_write_P(&matrix, PSTR("TKC1800"));
uint8_t layer = biton32(layer_state);
char buf[40];
snprintf(buf,sizeof(buf), "Undef-%d", layer);
matrix_write_P(&matrix, PSTR("\nLayer: "));
matrix_write(&matrix, layer_lookup[layer]);
// Host Keyboard LED Status
char led[40];
snprintf(led, sizeof(led), "\n\n%s %s %s",
(host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : " ",
(host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : " ",
(host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : " ");
matrix_write(&matrix, led);
matrix_update(&display, &matrix);
}

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@ -0,0 +1,29 @@
/* Copyright 2017 Mathias Andersson <wraul@dbox.se>
*
* 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/>.
*/
#ifndef CONFIG_USER_H
#define CONFIG_USER_H
#include "../../config.h"
#define USE_I2C
#define SSD1306OLED
//#define OLED_ROTATE180
#define SSD1306_ADDRESS 0x3C
// place overrides here
#endif

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@ -0,0 +1,145 @@
/* Copyright 2017 Mathias Andersson <wraul@dbox.se>
*
* 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 "tkc1800.h"
#include "LUFA/Drivers/Peripheral/TWI.h"
#include "i2c.h"
#include "ssd1306.h"
#define MODS_SHFT_MASK (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT)|MOD_BIT(KC_LGUI)|MOD_BIT(KC_RGUI))
#define MODS_GUI_MASK (MOD_BIT(KC_LGUI)|MOD_BIT(KC_RGUI))
// Helpful defines
#define ______ KC_TRNS
#define XXXXXX KC_NO
//Layers
enum {
BASE = 0,
FUNCTION,
};
//13 characters max without re-writing the "Layer: " format in iota_gfx_task_user()
static char layer_lookup[][14] = {"Base","Function"};
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Keymap BASE: (Base Layer) Default Layer
* ,-------------------------------------------------------. ,-------------------.
* |Esc| F1| F2| F3| F4| | F5| F6| F7| F8| | F9|F10|F11|F12| |Ins |Home|PgUp|PrSc|
* `-------------------------------------------------------' |-------------------|
* |Del |End |PgDn|ScrL|
* ,-----------------------------------------------------------. |-------------------|
* | ~ | 1 | 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Backsp | |NumL| / | * |Paus|
* |-----------------------------------------------------------| |-------------------|
* |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| \ | | 7 | 8 | 9 | - |
* |-----------------------------------------------------------| |-------------------|
* |CAPS | A| S| D| F| G| H| J| K| L| ;| '|Return | | 4 | 5 | 6 | + |
* |-----------------------------------------------------------' |-------------------|
* |Shift | Z| X| C| V| B| N| M| ,| .| /|Shift | Up | 1 | 2 | 3 | Ent|
* |--------------------------------------------------------'----`--------------| |
* |Ctrl|Gui |Alt | Space |Alt |Gui|Ctr|Left |Down|Rght| 0 | . | |
* `---------------------------------------------------------------------------------'
*/
[BASE] = KEYMAP(
KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_INS, KC_HOME, KC_PGUP, KC_PSCR, \
KC_DEL, KC_END, KC_PGDN, KC_SLCK, \
KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, XXXXXX, KC_NLCK, KC_PSLS, KC_PAST, KC_PAUS, \
KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_P7, KC_P8, KC_P9, KC_PMNS, \
KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, XXXXXX, KC_ENT, KC_P4, KC_P5, KC_P6, KC_PPLS, \
KC_LSFT, XXXXXX, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT,KC_SLSH, KC_RSFT, KC_UP, KC_P1, KC_P2, KC_P3, XXXXXX, \
KC_LCTL, KC_LALT, XXXXXX, KC_SPC, XXXXXX, MO(FUNCTION), KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT, KC_P0, KC_PDOT, KC_PENT
),
[FUNCTION] = KEYMAP(
KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_INS, KC_HOME, KC_PGUP, KC_PSCR, \
KC_DEL, KC_END, KC_PGDN, KC_SLCK, \
KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, RESET, XXXXXX, KC_NLCK, KC_PSLS, KC_PAST, KC_PAUS, \
KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_P7, KC_P8, KC_P9, KC_PMNS, \
KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, XXXXXX, KC_ENT, KC_P4, KC_P5, KC_P6, KC_PPLS, \
KC_LSFT, XXXXXX, RGB_TOG,RGB_MOD,RGB_HUI,RGB_HUD,RGB_SAI,RGB_SAD,RGB_VAI,RGB_VAD, KC_DOT,KC_SLSH, KC_RSFT, KC_UP, KC_P1, KC_P2, KC_P3, XXXXXX, \
KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, XXXXXX, ______, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT, KC_P0, KC_PDOT, KC_PENT
),
};
// const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) {};
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
return true;
}
void led_set_user(uint8_t usb_led) {
}
void matrix_init_user(void) {
#ifdef USE_I2C
i2c_master_init();
#ifdef SSD1306OLED
// calls code for the SSD1306 OLED
_delay_ms(400);
TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 800000));
iota_gfx_init(); // turns on the display
#endif
#endif
#ifdef AUDIO_ENABLE
startup_user();
#endif
}
void matrix_scan_user(void) {
#ifdef SSD1306OLED
iota_gfx_task(); // this is what updates the display continuously
#endif
}
void matrix_update(struct CharacterMatrix *dest,
const struct CharacterMatrix *source) {
if (memcmp(dest->display, source->display, sizeof(dest->display))) {
memcpy(dest->display, source->display, sizeof(dest->display));
dest->dirty = true;
}
}
void iota_gfx_task_user(void) {
#if DEBUG_TO_SCREEN
if (debug_enable) {
return;
}
#endif
struct CharacterMatrix matrix;
matrix_clear(&matrix);
matrix_write_P(&matrix, PSTR("TKC1800"));
uint8_t layer = biton32(layer_state);
char buf[40];
snprintf(buf,sizeof(buf), "Undef-%d", layer);
matrix_write_P(&matrix, PSTR("\nLayer: "));
matrix_write(&matrix, layer_lookup[layer]);
// Host Keyboard LED Status
char led[40];
snprintf(led, sizeof(led), "\n\n%s %s %s",
(host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : " ",
(host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : " ",
(host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : " ");
matrix_write(&matrix, led);
matrix_update(&display, &matrix);
}

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@ -45,7 +45,7 @@ OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
# Atmel DFU loader 4096
# LUFA bootloader 4096
# USBaspLoader 2048
OPT_DEFS += -DBOOTLOADER_SIZE=4096
OPT_DEFS += -DBOOTLOADER_SIZE=8192
# Build Options
@ -66,3 +66,6 @@ MIDI_ENABLE ?= no # MIDI controls
UNICODE_ENABLE ?= no # Unicode
BLUETOOTH_ENABLE ?= no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE ?= no # Audio output on port C6
SRC = i2c.c \
ssd1306.c