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/*
Copyright 2016 flabbergast <s3+flabbergast@sdfeu.org>
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 _LED_CONTROLLER_H_
#define _LED_CONTROLLER_H_
/* =========================
* communication functions
* ========================= */
msg_t is31_write_data(uint8_t page, uint8_t *buffer, uint8_t size);
msg_t is31_write_register(uint8_t page, uint8_t reg, uint8_t data);
msg_t is31_read_register(uint8_t page, uint8_t reg, uint8_t *result);
/* ============================
* init functions/definitions
* ============================*/
void led_controller_init(void);
#define CAPS_LOCK_LED_ADDRESS 46 //pin matrix location
#define NUM_LOCK_LED_ADDRESS 85
/* =============================
* IS31 chip related definitions
* ============================= */
#define IS31_ADDR_DEFAULT 0x74
#define IS31_REG_CONFIG 0x00
// bits in reg
#define IS31_REG_CONFIG_PICTUREMODE 0x00
#define IS31_REG_CONFIG_AUTOPLAYMODE 0x08
#define IS31_REG_CONFIG_AUDIOPLAYMODE 0x18
// D2:D0 bits are starting frame for autoplay mode
#define IS31_REG_PICTDISP 0x01 // D2:D0 frame select for picture mode
#define IS31_REG_AUTOPLAYCTRL1 0x02
// D6:D4 number of loops (000=infty)
// D2:D0 number of frames to be used
#define IS31_REG_AUTOPLAYCTRL2 0x03 // D5:D0 delay time (*11ms)
#define IS31_REG_DISPLAYOPT 0x05
#define IS31_REG_DISPLAYOPT_INTENSITY_SAME 0x20 // same intensity for all frames
#define IS31_REG_DISPLAYOPT_BLINK_ENABLE 0x08
// D2:D0 bits blink period time (*0.27s)
#define IS31_REG_AUDIOSYNC 0x06
#define IS31_REG_AUDIOSYNC_ENABLE 0x1
#define IS31_REG_FRAMESTATE 0x07
#define IS31_REG_BREATHCTRL1 0x08
// D6:D4 fade out time (26ms*2^i)
// D2:D0 fade in time (26ms*2^i)
#define IS31_REG_BREATHCTRL2 0x09
#define IS31_REG_BREATHCTRL2_ENABLE 0x10
// D2:D0 extinguish time (3.5ms*2^i)
#define IS31_REG_SHUTDOWN 0x0A
#define IS31_REG_SHUTDOWN_ON 0x1
#define IS31_REG_AGCCTRL 0x0B
#define IS31_REG_ADCRATE 0x0C
#define IS31_COMMANDREGISTER 0xFD
#define IS31_FUNCTIONREG 0x0B // helpfully called 'page nine'
#define IS31_TIMEOUT 10000 // needs to be long enough to write a whole page
/* ========================================
* LED Thread related items
* ========================================*/
extern mailbox_t led_mailbox;
void set_led_bit (uint8_t page, uint8_t *led_control_reg, uint8_t led_addr, uint8_t action);
void set_lock_leds (uint8_t led_addr, uint8_t led_action, uint8_t page);
void write_led_byte (uint8_t page, uint8_t row, uint8_t led_byte);
void write_led_page (uint8_t page, uint8_t *led_array, uint8_t led_count);
// constants for signaling the LED controller thread
enum led_msg_t {
KEY_LIGHT,
SET_FULL_ROW,
OFF_LED,
ON_LED,
TOGGLE_LED,
BLINK_OFF_LED,
BLINK_ON_LED,
BLINK_TOGGLE_LED,
TOGGLE_ALL,
TOGGLE_BACKLIGHT,
DISPLAY_PAGE,
RESET_PAGE,
TOGGLE_NUM_LOCK,
TOGGLE_CAPS_LOCK,
TOGGLE_BREATH,
STEP_BRIGHTNESS
};
#endif /* _LED_CONTROLLER_H_ */
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