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-rw-r--r--keyboards/tkc1800/i2c.c166
-rw-r--r--keyboards/tkc1800/i2c.h49
-rw-r--r--keyboards/tkc1800/keymaps/default/config.h5
-rw-r--r--keyboards/tkc1800/keymaps/default/keymap.c94
-rw-r--r--keyboards/tkc1800/keymaps/wkl/config.h29
-rw-r--r--keyboards/tkc1800/keymaps/wkl/keymap.c145
-rw-r--r--keyboards/tkc1800/rules.mk5
7 files changed, 475 insertions, 18 deletions
diff --git a/keyboards/tkc1800/i2c.c b/keyboards/tkc1800/i2c.c
new file mode 100644
index 000000000..cd2b835d5
--- /dev/null
+++ b/keyboards/tkc1800/i2c.c
@@ -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
diff --git a/keyboards/tkc1800/i2c.h b/keyboards/tkc1800/i2c.h
new file mode 100644
index 000000000..2bd7f4096
--- /dev/null
+++ b/keyboards/tkc1800/i2c.h
@@ -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
diff --git a/keyboards/tkc1800/keymaps/default/config.h b/keyboards/tkc1800/keymaps/default/config.h
index a3828f7d5..30973348a 100644
--- a/keyboards/tkc1800/keymaps/default/config.h
+++ b/keyboards/tkc1800/keymaps/default/config.h
@@ -19,6 +19,11 @@
#include "../../config.h"
+#define USE_I2C
+#define SSD1306OLED
+//#define OLED_ROTATE180
+#define SSD1306_ADDRESS 0x3C
+
// place overrides here
#endif
diff --git a/keyboards/tkc1800/keymaps/default/keymap.c b/keyboards/tkc1800/keymaps/default/keymap.c
index 1b9f390b2..7821f0f31 100644
--- a/keyboards/tkc1800/keymaps/default/keymap.c
+++ b/keyboards/tkc1800/keymaps/default/keymap.c
@@ -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|
* `-------------------------------------------------------' |-------------------|
@@ -45,41 +57,89 @@ 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) {};
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ return true;
+}
-void matrix_init_user(void) {
+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
}
-bool process_record_user(uint16_t keycode, keyrecord_t *record) {
- return true;
+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 led_set_user(uint8_t usb_led) {
+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);
} \ No newline at end of file
diff --git a/keyboards/tkc1800/keymaps/wkl/config.h b/keyboards/tkc1800/keymaps/wkl/config.h
new file mode 100644
index 000000000..30973348a
--- /dev/null
+++ b/keyboards/tkc1800/keymaps/wkl/config.h
@@ -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
diff --git a/keyboards/tkc1800/keymaps/wkl/keymap.c b/keyboards/tkc1800/keymaps/wkl/keymap.c
new file mode 100644
index 000000000..b72a77c21
--- /dev/null
+++ b/keyboards/tkc1800/keymaps/wkl/keymap.c
@@ -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);
+} \ No newline at end of file
diff --git a/keyboards/tkc1800/rules.mk b/keyboards/tkc1800/rules.mk
index 1729f648b..035840966 100644
--- a/keyboards/tkc1800/rules.mk
+++ b/keyboards/tkc1800/rules.mk
@@ -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