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Diffstat (limited to 'drivers/issi/is31fl3731.c')
-rw-r--r--drivers/issi/is31fl3731.c237
1 files changed, 0 insertions, 237 deletions
diff --git a/drivers/issi/is31fl3731.c b/drivers/issi/is31fl3731.c
deleted file mode 100644
index 110bdc1be4..0000000000
--- a/drivers/issi/is31fl3731.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/* Copyright 2017 Jason Williams
- * Copyright 2018 Jack Humbert
- *
- * 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 "is31fl3731.h"
-#include "i2c_master.h"
-#include "wait.h"
-
-// This is a 7-bit address, that gets left-shifted and bit 0
-// set to 0 for write, 1 for read (as per I2C protocol)
-// The address will vary depending on your wiring:
-// 0b1110100 AD <-> GND
-// 0b1110111 AD <-> VCC
-// 0b1110101 AD <-> SCL
-// 0b1110110 AD <-> SDA
-#define ISSI_ADDR_DEFAULT 0x74
-
-#define ISSI_REG_CONFIG 0x00
-#define ISSI_REG_CONFIG_PICTUREMODE 0x00
-#define ISSI_REG_CONFIG_AUTOPLAYMODE 0x08
-#define ISSI_REG_CONFIG_AUDIOPLAYMODE 0x18
-
-#define ISSI_CONF_PICTUREMODE 0x00
-#define ISSI_CONF_AUTOFRAMEMODE 0x04
-#define ISSI_CONF_AUDIOMODE 0x08
-
-#define ISSI_REG_PICTUREFRAME 0x01
-
-#define ISSI_REG_SHUTDOWN 0x0A
-#define ISSI_REG_AUDIOSYNC 0x06
-
-#define ISSI_COMMANDREGISTER 0xFD
-#define ISSI_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
-
-#ifndef ISSI_TIMEOUT
-# define ISSI_TIMEOUT 100
-#endif
-
-#ifndef ISSI_PERSISTENCE
-# define ISSI_PERSISTENCE 0
-#endif
-
-// Transfer buffer for TWITransmitData()
-uint8_t g_twi_transfer_buffer[20];
-
-// These buffers match the IS31FL3731 PWM registers 0x24-0xB3.
-// Storing them like this is optimal for I2C transfers to the registers.
-// We could optimize this and take out the unused registers from these
-// buffers and the transfers in IS31FL3731_write_pwm_buffer() but it's
-// probably not worth the extra complexity.
-uint8_t g_pwm_buffer[DRIVER_COUNT][144];
-bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false};
-
-uint8_t g_led_control_registers[DRIVER_COUNT][18] = {{0}};
-bool g_led_control_registers_update_required[DRIVER_COUNT] = {false};
-
-// This is the bit pattern in the LED control registers
-// (for matrix A, add one to register for matrix B)
-//
-// reg - b7 b6 b5 b4 b3 b2 b1 b0
-// 0x00 - R08,R07,R06,R05,R04,R03,R02,R01
-// 0x02 - G08,G07,G06,G05,G04,G03,G02,R00
-// 0x04 - B08,B07,B06,B05,B04,B03,G01,G00
-// 0x06 - - , - , - , - , - ,B02,B01,B00
-// 0x08 - - , - , - , - , - , - , - , -
-// 0x0A - B17,B16,B15, - , - , - , - , -
-// 0x0C - G17,G16,B14,B13,B12,B11,B10,B09
-// 0x0E - R17,G15,G14,G13,G12,G11,G10,G09
-// 0x10 - R16,R15,R14,R13,R12,R11,R10,R09
-
-void IS31FL3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
- g_twi_transfer_buffer[0] = reg;
- g_twi_transfer_buffer[1] = data;
-
-#if ISSI_PERSISTENCE > 0
- for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) {
- if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT) == 0) break;
- }
-#else
- i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT);
-#endif
-}
-
-void IS31FL3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
- // assumes bank is already selected
-
- // transmit PWM registers in 9 transfers of 16 bytes
- // g_twi_transfer_buffer[] is 20 bytes
-
- // iterate over the pwm_buffer contents at 16 byte intervals
- for (int i = 0; i < 144; i += 16) {
- // set the first register, e.g. 0x24, 0x34, 0x44, etc.
- g_twi_transfer_buffer[0] = 0x24 + i;
- // copy the data from i to i+15
- // device will auto-increment register for data after the first byte
- // thus this sets registers 0x24-0x33, 0x34-0x43, etc. in one transfer
- for (int j = 0; j < 16; j++) {
- g_twi_transfer_buffer[1 + j] = pwm_buffer[i + j];
- }
-
-#if ISSI_PERSISTENCE > 0
- for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) {
- if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT) == 0) break;
- }
-#else
- i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT);
-#endif
- }
-}
-
-void IS31FL3731_init(uint8_t addr) {
- // In order to avoid the LEDs being driven with garbage data
- // in the LED driver's PWM registers, first enable software shutdown,
- // then set up the mode and other settings, clear the PWM registers,
- // then disable software shutdown.
-
- // select "function register" bank
- IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
-
- // enable software shutdown
- IS31FL3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x00);
-
- // this delay was copied from other drivers, might not be needed
- wait_ms(10);
-
- // picture mode
- IS31FL3731_write_register(addr, ISSI_REG_CONFIG, ISSI_REG_CONFIG_PICTUREMODE);
- // display frame 0
- IS31FL3731_write_register(addr, ISSI_REG_PICTUREFRAME, 0x00);
- // audio sync off
- IS31FL3731_write_register(addr, ISSI_REG_AUDIOSYNC, 0x00);
-
- // select bank 0
- IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, 0);
-
- // turn off all LEDs in the LED control register
- for (int i = 0x00; i <= 0x11; i++) {
- IS31FL3731_write_register(addr, i, 0x00);
- }
-
- // turn off all LEDs in the blink control register (not really needed)
- for (int i = 0x12; i <= 0x23; i++) {
- IS31FL3731_write_register(addr, i, 0x00);
- }
-
- // set PWM on all LEDs to 0
- for (int i = 0x24; i <= 0xB3; i++) {
- IS31FL3731_write_register(addr, i, 0x00);
- }
-
- // select "function register" bank
- IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
-
- // disable software shutdown
- IS31FL3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x01);
-
- // select bank 0 and leave it selected.
- // most usage after initialization is just writing PWM buffers in bank 0
- // as there's not much point in double-buffering
- IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, 0);
-}
-
-void IS31FL3731_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
- if (index >= 0 && index < DRIVER_LED_TOTAL) {
- is31_led led = g_is31_leds[index];
-
- // Subtract 0x24 to get the second index of g_pwm_buffer
- g_pwm_buffer[led.driver][led.r - 0x24] = red;
- g_pwm_buffer[led.driver][led.g - 0x24] = green;
- g_pwm_buffer[led.driver][led.b - 0x24] = blue;
- g_pwm_buffer_update_required[led.driver] = true;
- }
-}
-
-void IS31FL3731_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
- for (int i = 0; i < DRIVER_LED_TOTAL; i++) {
- IS31FL3731_set_color(i, red, green, blue);
- }
-}
-
-void IS31FL3731_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
- is31_led led = g_is31_leds[index];
-
- uint8_t control_register_r = (led.r - 0x24) / 8;
- uint8_t control_register_g = (led.g - 0x24) / 8;
- uint8_t control_register_b = (led.b - 0x24) / 8;
- uint8_t bit_r = (led.r - 0x24) % 8;
- uint8_t bit_g = (led.g - 0x24) % 8;
- uint8_t bit_b = (led.b - 0x24) % 8;
-
- if (red) {
- g_led_control_registers[led.driver][control_register_r] |= (1 << bit_r);
- } else {
- g_led_control_registers[led.driver][control_register_r] &= ~(1 << bit_r);
- }
- if (green) {
- g_led_control_registers[led.driver][control_register_g] |= (1 << bit_g);
- } else {
- g_led_control_registers[led.driver][control_register_g] &= ~(1 << bit_g);
- }
- if (blue) {
- g_led_control_registers[led.driver][control_register_b] |= (1 << bit_b);
- } else {
- g_led_control_registers[led.driver][control_register_b] &= ~(1 << bit_b);
- }
-
- g_led_control_registers_update_required[led.driver] = true;
-}
-
-void IS31FL3731_update_pwm_buffers(uint8_t addr, uint8_t index) {
- if (g_pwm_buffer_update_required[index]) {
- IS31FL3731_write_pwm_buffer(addr, g_pwm_buffer[index]);
- }
- g_pwm_buffer_update_required[index] = false;
-}
-
-void IS31FL3731_update_led_control_registers(uint8_t addr, uint8_t index) {
- if (g_led_control_registers_update_required[index]) {
- for (int i = 0; i < 18; i++) {
- IS31FL3731_write_register(addr, i, g_led_control_registers[index][i]);
- }
- }
- g_led_control_registers_update_required[index] = false;
-}
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