diff options
Diffstat (limited to 'drivers/issi/is31fl3741.c')
| -rw-r--r-- | drivers/issi/is31fl3741.c | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/drivers/issi/is31fl3741.c b/drivers/issi/is31fl3741.c deleted file mode 100644 index 1b533c9b6a..0000000000 --- a/drivers/issi/is31fl3741.c +++ /dev/null @@ -1,255 +0,0 @@ -/* Copyright 2017 Jason Williams - * Copyright 2018 Jack Humbert - * Copyright 2018 Yiancar - * Copyright 2020 MelGeek - * - * 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 "wait.h" - -#include "is31fl3741.h" -#include <string.h> -#include "i2c_master.h" -#include "progmem.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: -// 00 <-> GND -// 01 <-> SCL -// 10 <-> SDA -// 11 <-> VCC -// ADDR1 represents A1:A0 of the 7-bit address. -// ADDR2 represents A3:A2 of the 7-bit address. -// The result is: 0b101(ADDR2)(ADDR1) -#define ISSI_ADDR_DEFAULT 0x60 - -#define ISSI_COMMANDREGISTER 0xFD -#define ISSI_COMMANDREGISTER_WRITELOCK 0xFE -#define ISSI_INTERRUPTMASKREGISTER 0xF0 -#define ISSI_INTERRUPTSTATUSREGISTER 0xF1 -#define ISSI_IDREGISTER 0xFC - -#define ISSI_PAGE_PWM0 0x00 // PG0 -#define ISSI_PAGE_PWM1 0x01 // PG1 -#define ISSI_PAGE_SCALING_0 0x02 // PG2 -#define ISSI_PAGE_SCALING_1 0x03 // PG3 -#define ISSI_PAGE_FUNCTION 0x04 // PG4 - -#define ISSI_REG_CONFIGURATION 0x00 // PG4 -#define ISSI_REG_GLOBALCURRENT 0x01 // PG4 -#define ISSI_REG_PULLDOWNUP 0x02 // PG4 -#define ISSI_REG_RESET 0x3F // PG4 - -#ifndef ISSI_TIMEOUT -# define ISSI_TIMEOUT 100 -#endif - -#ifndef ISSI_PERSISTENCE -# define ISSI_PERSISTENCE 0 -#endif - -#define ISSI_MAX_LEDS 351 - -// Transfer buffer for TWITransmitData() -uint8_t g_twi_transfer_buffer[20] = {0xFF}; - -// These buffers match the IS31FL3741 and IS31FL3741A PWM registers. -// The scaling buffers match the PG2 and PG3 LED On/Off registers. -// 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 IS31FL3741_write_pwm_buffer() but it's -// probably not worth the extra complexity. -uint8_t g_pwm_buffer[DRIVER_COUNT][ISSI_MAX_LEDS]; -bool g_pwm_buffer_update_required = false; -bool g_scaling_registers_update_required[DRIVER_COUNT] = {false}; - -uint8_t g_scaling_registers[DRIVER_COUNT][ISSI_MAX_LEDS]; - -void IS31FL3741_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 -} - -bool IS31FL3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) { - // unlock the command register and select PG2 - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM0); - - for (int i = 0; i < 342; i += 18) { - if (i == 180) { - // unlock the command register and select PG2 - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM1); - } - - g_twi_transfer_buffer[0] = i % 180; - memcpy(g_twi_transfer_buffer + 1, pwm_buffer + i, 18); - -#if ISSI_PERSISTENCE > 0 - for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 19, ISSI_TIMEOUT) != 0) { - return false; - } - } -#else - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 19, ISSI_TIMEOUT) != 0) { - return false; - } -#endif - } - - // transfer the left cause the total number is 351 - g_twi_transfer_buffer[0] = 162; - memcpy(g_twi_transfer_buffer + 1, pwm_buffer + 342, 9); - -#if ISSI_PERSISTENCE > 0 - for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 10, ISSI_TIMEOUT) != 0) { - return false; - } - } -#else - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 10, ISSI_TIMEOUT) != 0) { - return false; - } -#endif - - return true; -} - -void IS31FL3741_init(uint8_t addr) { - // In order to avoid the LEDs being driven with garbage data - // in the LED driver's PWM registers, shutdown is enabled last. - // Set up the mode and other settings, clear the PWM registers, - // then disable software shutdown. - // Unlock the command register. - - // Unlock the command register. - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); - - // Select PG4 - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION); - - // Set to Normal operation - IS31FL3741_write_register(addr, ISSI_REG_CONFIGURATION, 0x01); - - // Set Golbal Current Control Register - IS31FL3741_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF); - // Set Pull up & Down for SWx CSy - IS31FL3741_write_register(addr, ISSI_REG_PULLDOWNUP, 0x77); - - // IS31FL3741_update_led_scaling_registers(addr, 0xFF, 0xFF, 0xFF); - - // Wait 10ms to ensure the device has woken up. - wait_ms(10); -} - -void IS31FL3741_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]; - - g_pwm_buffer[led.driver][led.r] = red; - g_pwm_buffer[led.driver][led.g] = green; - g_pwm_buffer[led.driver][led.b] = blue; - g_pwm_buffer_update_required = true; - } -} - -void IS31FL3741_set_color_all(uint8_t red, uint8_t green, uint8_t blue) { - for (int i = 0; i < DRIVER_LED_TOTAL; i++) { - IS31FL3741_set_color(i, red, green, blue); - } -} - -void IS31FL3741_set_led_control_register(uint8_t index, bool red, bool green, bool blue) { - is31_led led = g_is31_leds[index]; - - if (red) { - g_scaling_registers[led.driver][led.r] = 0xFF; - } else { - g_scaling_registers[led.driver][led.r] = 0x00; - } - - if (green) { - g_scaling_registers[led.driver][led.g] = 0xFF; - } else { - g_scaling_registers[led.driver][led.g] = 0x00; - } - - if (blue) { - g_scaling_registers[led.driver][led.b] = 0xFF; - } else { - g_scaling_registers[led.driver][led.b] = 0x00; - } - - g_scaling_registers_update_required[led.driver] = true; -} - -void IS31FL3741_update_pwm_buffers(uint8_t addr1, uint8_t addr2) { - if (g_pwm_buffer_update_required) { - IS31FL3741_write_pwm_buffer(addr1, g_pwm_buffer[0]); - } - - g_pwm_buffer_update_required = false; -} - -void IS31FL3741_set_pwm_buffer(const is31_led *pled, uint8_t red, uint8_t green, uint8_t blue) { - g_pwm_buffer[pled->driver][pled->r] = red; - g_pwm_buffer[pled->driver][pled->g] = green; - g_pwm_buffer[pled->driver][pled->b] = blue; - - g_pwm_buffer_update_required = true; -} - -void IS31FL3741_update_led_control_registers(uint8_t addr, uint8_t index) { - if (g_scaling_registers_update_required[index]) { - // unlock the command register and select PG2 - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_SCALING_0); - - // CS1_SW1 to CS30_SW6 are on PG2 - for (int i = CS1_SW1; i <= CS30_SW6; ++i) { - IS31FL3741_write_register(addr, i, g_scaling_registers[0][i]); - } - - // unlock the command register and select PG3 - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); - IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_SCALING_1); - - // CS1_SW7 to CS39_SW9 are on PG3 - for (int i = CS1_SW7; i <= CS39_SW9; ++i) { - IS31FL3741_write_register(addr, i - CS1_SW7, g_scaling_registers[0][i]); - } - - g_scaling_registers_update_required[index] = false; - } -} - -void IS31FL3741_set_scaling_registers(const is31_led *pled, uint8_t red, uint8_t green, uint8_t blue) { - g_scaling_registers[pled->driver][pled->r] = red; - g_scaling_registers[pled->driver][pled->g] = green; - g_scaling_registers[pled->driver][pled->b] = blue; - - g_scaling_registers_update_required[pled->driver] = true; -} |