diff options
Diffstat (limited to 'drivers/led/issi/is31fl3731-simple.c')
-rw-r--r-- | drivers/led/issi/is31fl3731-simple.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/drivers/led/issi/is31fl3731-simple.c b/drivers/led/issi/is31fl3731-simple.c deleted file mode 100644 index 8dbfc3cd31..0000000000 --- a/drivers/led/issi/is31fl3731-simple.c +++ /dev/null @@ -1,239 +0,0 @@ -/* Copyright 2017 Jason Williams - * Copyright 2018 Jack Humbert - * Copyright 2019 Clueboard - * Copyright 2021 Doni Crosby - * - * 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-simple.h" -#include <string.h> -#include "i2c_master.h" -#include "wait.h" - -#define IS31FL3731_PWM_REGISTER_COUNT 144 -#define IS31FL3731_LED_CONTROL_REGISTER_COUNT 18 - -#ifndef IS31FL3731_I2C_TIMEOUT -# define IS31FL3731_I2C_TIMEOUT 100 -#endif - -#ifndef IS31FL3731_I2C_PERSISTENCE -# define IS31FL3731_I2C_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[IS31FL3731_DRIVER_COUNT][IS31FL3731_PWM_REGISTER_COUNT]; -bool g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false}; - -uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][IS31FL3731_LED_CONTROL_REGISTER_COUNT] = {0}; -bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false}; - -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 IS31FL3731_I2C_PERSISTENCE > 0 - for (uint8_t i = 0; i < IS31FL3731_I2C_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3731_I2C_TIMEOUT) == 0) { - break; - } - } -#else - i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3731_I2C_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 < IS31FL3731_PWM_REGISTER_COUNT; 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 - memcpy(g_twi_transfer_buffer + 1, pwm_buffer + i, 16); - -#if IS31FL3731_I2C_PERSISTENCE > 0 - for (uint8_t i = 0; i < IS31FL3731_I2C_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3731_I2C_TIMEOUT) == 0) break; - } -#else - i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3731_I2C_TIMEOUT); -#endif - } -} - -void is31fl3731_init_drivers(void) { - i2c_init(); - - is31fl3731_init(IS31FL3731_I2C_ADDRESS_1); -#if defined(IS31FL3731_I2C_ADDRESS_2) - is31fl3731_init(IS31FL3731_I2C_ADDRESS_2); -# if defined(IS31FL3731_I2C_ADDRESS_3) - is31fl3731_init(IS31FL3731_I2C_ADDRESS_3); -# if defined(IS31FL3731_I2C_ADDRESS_4) - is31fl3731_init(IS31FL3731_I2C_ADDRESS_4); -# endif -# endif -#endif - - for (int i = 0; i < IS31FL3731_LED_COUNT; i++) { - is31fl3731_set_led_control_register(i, true); - } - - is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_1, 0); -#if defined(IS31FL3731_I2C_ADDRESS_2) - is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_2, 1); -# if defined(IS31FL3731_I2C_ADDRESS_3) - is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_3, 2); -# if defined(IS31FL3731_I2C_ADDRESS_4) - is31fl3731_update_led_control_registers(IS31FL3731_I2C_ADDRESS_4, 3); -# endif -# endif -#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, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FUNCTION); - - // enable software shutdown - is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_SHUTDOWN, 0x00); -#ifdef IS31FL3731_DEGHOST // set to enable de-ghosting of the array - is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_GHOST_IMAGE_PREVENTION, IS31FL3731_GHOST_IMAGE_PREVENTION_GEN); -#endif - - // this delay was copied from other drivers, might not be needed - wait_ms(10); - - // picture mode - is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_CONFIG, IS31FL3731_CONFIG_MODE_PICTURE); - // display frame 0 - is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_PICTURE_DISPLAY, 0x00); - // audio sync off - is31fl3731_write_register(addr, IS31FL3731_FUNCTION_REG_AUDIO_SYNC, 0x00); - - // select bank 0 - is31fl3731_write_register(addr, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FRAME_1); - - // turn off all LEDs in the LED control register - for (int i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; 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, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FUNCTION); - - // disable software shutdown - is31fl3731_write_register(addr, IS31FL3731_FUNCTION_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, IS31FL3731_REG_COMMAND, IS31FL3731_COMMAND_FRAME_1); -} - -void is31fl3731_set_value(int index, uint8_t value) { - is31fl3731_led_t led; - if (index >= 0 && index < IS31FL3731_LED_COUNT) { - memcpy_P(&led, (&g_is31fl3731_leds[index]), sizeof(led)); - - // Subtract 0x24 to get the second index of g_pwm_buffer - - if (g_pwm_buffer[led.driver][led.v - 0x24] == value) { - return; - } - g_pwm_buffer[led.driver][led.v - 0x24] = value; - g_pwm_buffer_update_required[led.driver] = true; - } -} - -void is31fl3731_set_value_all(uint8_t value) { - for (int i = 0; i < IS31FL3731_LED_COUNT; i++) { - is31fl3731_set_value(i, value); - } -} - -void is31fl3731_set_led_control_register(uint8_t index, bool value) { - is31fl3731_led_t led; - memcpy_P(&led, (&g_is31fl3731_leds[index]), sizeof(led)); - - uint8_t control_register = (led.v - 0x24) / 8; - uint8_t bit_value = (led.v - 0x24) % 8; - - if (value) { - g_led_control_registers[led.driver][control_register] |= (1 << bit_value); - } else { - g_led_control_registers[led.driver][control_register] &= ~(1 << bit_value); - } - - 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 < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) { - is31fl3731_write_register(addr, i, g_led_control_registers[index][i]); - } - g_led_control_registers_update_required[index] = false; - } -} - -void is31fl3731_flush(void) { - is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_1, 0); -#if defined(IS31FL3731_I2C_ADDRESS_2) - is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_2, 1); -# if defined(IS31FL3731_I2C_ADDRESS_3) - is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_3, 2); -# if defined(IS31FL3731_I2C_ADDRESS_4) - is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_4, 3); -# endif -# endif -#endif -} |