102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/*
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Copyright 2016 flabbergast <s3+flabbergast@sdfeu.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _LED_CONTROLLER_H_
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#define _LED_CONTROLLER_H_
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/* =========================
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* communication functions
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* ========================= */
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msg_t is31_write_data(uint8_t page, uint8_t *buffer, uint8_t size);
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msg_t is31_write_register(uint8_t page, uint8_t reg, uint8_t data);
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msg_t is31_read_register(uint8_t page, uint8_t reg, uint8_t *result);
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/* =========================
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* init functions
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* ========================= */
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void led_controller_init(void);
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/* =============================
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* IS31 chip related definitions
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* ============================= */
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#define IS31_ADDR_DEFAULT 0x74
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#define IS31_REG_CONFIG 0x00
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// bits in reg
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#define IS31_REG_CONFIG_PICTUREMODE 0x00
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#define IS31_REG_CONFIG_AUTOPLAYMODE 0x08
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#define IS31_REG_CONFIG_AUDIOPLAYMODE 0x18
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// D2:D0 bits are starting frame for autoplay mode
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#define IS31_REG_PICTDISP 0x01 // D2:D0 frame select for picture mode
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#define IS31_REG_AUTOPLAYCTRL1 0x02
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// D6:D4 number of loops (000=infty)
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// D2:D0 number of frames to be used
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#define IS31_REG_AUTOPLAYCTRL2 0x03 // D5:D0 delay time (*11ms)
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#define IS31_REG_DISPLAYOPT 0x05
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#define IS31_REG_DISPLAYOPT_INTENSITY_SAME 0x20 // same intensity for all frames
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#define IS31_REG_DISPLAYOPT_BLINK_ENABLE 0x8
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// D2:D0 bits blink period time (*0.27s)
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#define IS31_REG_AUDIOSYNC 0x06
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#define IS31_REG_AUDIOSYNC_ENABLE 0x1
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#define IS31_REG_FRAMESTATE 0x07
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#define IS31_REG_BREATHCTRL1 0x08
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// D6:D4 fade out time (26ms*2^i)
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// D2:D0 fade in time (26ms*2^i)
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#define IS31_REG_BREATHCTRL2 0x09
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#define IS31_REG_BREATHCTRL2_ENABLE 0x10
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// D2:D0 extinguish time (3.5ms*2^i)
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#define IS31_REG_SHUTDOWN 0x0A
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#define IS31_REG_SHUTDOWN_ON 0x1
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#define IS31_REG_AGCCTRL 0x0B
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#define IS31_REG_ADCRATE 0x0C
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#define IS31_COMMANDREGISTER 0xFD
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#define IS31_FUNCTIONREG 0x0B // helpfully called 'page nine'
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#define IS31_TIMEOUT 10000 // needs to be long enough to write a whole page
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/* ==============================
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* LED Thread related definitions
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* ============================== */
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extern mailbox_t led_mailbox;
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// constants for signaling the LED controller thread
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enum led_msg_t {
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LED_MSG_CAPS_ON,
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LED_MSG_CAPS_OFF,
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LED_MSG_SLEEP_LED_ON,
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LED_MSG_SLEEP_LED_OFF,
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LED_MSG_ALL_TOGGLE,
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LED_MSG_GAME_TOGGLE
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};
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#endif /* _LED_CONTROLLER_H_ */
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