M0lly: refactor OLED support and qmk-dfu bootloader (#8475)
This commit is contained in:
TerryMathews
GitHub
parent
73f903906e
commit
19d7cbc858
|
|
@ -67,6 +67,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|||
/* Locking resynchronize hack */
|
||||
#define LOCKING_RESYNC_ENABLE
|
||||
|
||||
#define QMK_ESC_OUTPUT A0 // usually COL
|
||||
#define QMK_ESC_INPUT F4 // usually ROW
|
||||
#define QMK_LED D2 // NumLock on M0lly
|
||||
//#define QMK_SPEAKER C6
|
||||
|
||||
/*
|
||||
* Force NKRO
|
||||
*
|
||||
|
|
|
|||
|
|
@ -1,166 +0,0 @@
|
|||
#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
|
||||
|
|
@ -1,49 +0,0 @@
|
|||
#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
|
||||
|
|
@ -1,24 +0,0 @@
|
|||
/* 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/>.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#define USE_I2C
|
||||
#define SSD1306OLED
|
||||
//#define OLED_ROTATE180
|
||||
#define SSD1306_ADDRESS 0x3C
|
||||
|
||||
// place overrides here
|
||||
|
|
@ -13,11 +13,8 @@
|
|||
* 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 QMK_KEYBOARD_H
|
||||
#include "LUFA/Drivers/Peripheral/TWI.h"
|
||||
#include "i2c.h"
|
||||
#include "ssd1306.h"
|
||||
|
||||
|
||||
//Layers
|
||||
|
||||
|
|
@ -26,13 +23,6 @@ enum {
|
|||
FUNCTION,
|
||||
};
|
||||
|
||||
bool screenWorks = 0;
|
||||
|
||||
//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
|
||||
*
|
||||
|
|
@ -78,72 +68,27 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
|
|||
),
|
||||
};
|
||||
|
||||
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
|
||||
return true;
|
||||
}
|
||||
#ifdef OLED_DRIVER_ENABLE
|
||||
void oled_task_user(void) {
|
||||
oled_write_P(PSTR("TKC1800\n"),false);
|
||||
// Host Keyboard Layer Status
|
||||
oled_write_P(PSTR("Layer: "), false);
|
||||
|
||||
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));
|
||||
if ( iota_gfx_init() ) { // turns on the display
|
||||
screenWorks = 1;
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
#ifdef AUDIO_ENABLE
|
||||
startup_user();
|
||||
#endif
|
||||
}
|
||||
|
||||
void matrix_scan_user(void) {
|
||||
#ifdef SSD1306OLED
|
||||
if ( screenWorks ) {
|
||||
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;
|
||||
switch (get_highest_layer(layer_state)) {
|
||||
case BASE:
|
||||
oled_write_P(PSTR("Base\n"), false);
|
||||
break;
|
||||
case FUNCTION:
|
||||
oled_write_P(PSTR("Function\n"), false);
|
||||
break;
|
||||
default:
|
||||
// Or use the write_ln shortcut over adding '\n' to the end of your string
|
||||
oled_write_ln_P(PSTR("Undefined"), false);
|
||||
}
|
||||
#endif
|
||||
|
||||
struct CharacterMatrix matrix;
|
||||
|
||||
matrix_clear(&matrix);
|
||||
matrix_write_P(&matrix, PSTR("TKC M0LLY"));
|
||||
|
||||
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);
|
||||
// Host Keyboard LED Status
|
||||
led_t led_state = host_keyboard_led_state();
|
||||
oled_write_P(led_state.num_lock ? PSTR("NUM ") : PSTR(" "), false);
|
||||
oled_write_P(led_state.caps_lock ? PSTR("CAP ") : PSTR(" "), false);
|
||||
oled_write_P(led_state.scroll_lock ? PSTR("SCR ") : PSTR(" "), false);
|
||||
}
|
||||
#endif
|
||||
|
|
@ -9,12 +9,12 @@ MCU = at90usb1286
|
|||
# QMK DFU qmk-dfu
|
||||
# ATmega32A bootloadHID
|
||||
# ATmega328P USBasp
|
||||
BOOTLOADER = atmel-dfu
|
||||
BOOTLOADER = qmk-dfu
|
||||
|
||||
# Build Options
|
||||
# change yes to no to disable
|
||||
#
|
||||
BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration
|
||||
BOOTMAGIC_ENABLE = lite # Virtual DIP switch configuration
|
||||
MOUSEKEY_ENABLE = yes # Mouse keys
|
||||
EXTRAKEY_ENABLE = yes # Audio control and System control
|
||||
CONSOLE_ENABLE = yes # Console for debug
|
||||
|
|
@ -29,6 +29,4 @@ 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
|
||||
OLED_DRIVER_ENABLE = yes
|
||||
Loading…
Reference in New Issue