diff options
Diffstat (limited to 'drivers/led/issi/is31fl3741-simple.c')
-rw-r--r-- | drivers/led/issi/is31fl3741-simple.c | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/drivers/led/issi/is31fl3741-simple.c b/drivers/led/issi/is31fl3741-simple.c deleted file mode 100644 index f7009853ba..0000000000 --- a/drivers/led/issi/is31fl3741-simple.c +++ /dev/null @@ -1,278 +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 "is31fl3741-simple.h" -#include <string.h> -#include "i2c_master.h" -#include "wait.h" - -#define IS31FL3741_PWM_REGISTER_COUNT 351 - -#ifndef IS31FL3741_I2C_TIMEOUT -# define IS31FL3741_I2C_TIMEOUT 100 -#endif - -#ifndef IS31FL3741_I2C_PERSISTENCE -# define IS31FL3741_I2C_PERSISTENCE 0 -#endif - -#ifndef IS31FL3741_CONFIGURATION -# define IS31FL3741_CONFIGURATION 0x01 -#endif - -#ifndef IS31FL3741_PWM_FREQUENCY -# define IS31FL3741_PWM_FREQUENCY IS31FL3741_PWM_FREQUENCY_29K_HZ -#endif - -#ifndef IS31FL3741_SW_PULLUP -# define IS31FL3741_SW_PULLUP IS31FL3741_PUR_32K_OHM -#endif - -#ifndef IS31FL3741_CS_PULLDOWN -# define IS31FL3741_CS_PULLDOWN IS31FL3741_PDR_32K_OHM -#endif - -#ifndef IS31FL3741_GLOBAL_CURRENT -# define IS31FL3741_GLOBAL_CURRENT 0xFF -#endif - -// 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[IS31FL3741_DRIVER_COUNT][IS31FL3741_PWM_REGISTER_COUNT]; -bool g_pwm_buffer_update_required[IS31FL3741_DRIVER_COUNT] = {false}; -bool g_scaling_registers_update_required[IS31FL3741_DRIVER_COUNT] = {false}; - -uint8_t g_scaling_registers[IS31FL3741_DRIVER_COUNT][IS31FL3741_PWM_REGISTER_COUNT]; - -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 IS31FL3741_I2C_PERSISTENCE > 0 - for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3741_I2C_TIMEOUT) == 0) break; - } -#else - i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3741_I2C_TIMEOUT); -#endif -} - -bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) { - // Assume PG0 is already selected - - for (int i = 0; i < 342; i += 18) { - if (i == 180) { - // unlock the command register and select PG1 - is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC); - is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_PWM_1); - } - - g_twi_transfer_buffer[0] = i % 180; - memcpy(g_twi_transfer_buffer + 1, pwm_buffer + i, 18); - -#if IS31FL3741_I2C_PERSISTENCE > 0 - for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT) != 0) { - return false; - } - } -#else - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 19, IS31FL3741_I2C_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 IS31FL3741_I2C_PERSISTENCE > 0 - for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT) != 0) { - return false; - } - } -#else - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT) != 0) { - return false; - } -#endif - - return true; -} - -void is31fl3741_init_drivers(void) { - i2c_init(); - - is31fl3741_init(IS31FL3741_I2C_ADDRESS_1); -#if defined(IS31FL3741_I2C_ADDRESS_2) - is31fl3741_init(IS31FL3741_I2C_ADDRESS_2); -# if defined(IS31FL3741_I2C_ADDRESS_3) - is31fl3741_init(IS31FL3741_I2C_ADDRESS_3); -# if defined(IS31FL3741_I2C_ADDRESS_4) - is31fl3741_init(IS31FL3741_I2C_ADDRESS_4); -# endif -# endif -#endif - - for (int i = 0; i < IS31FL3741_LED_COUNT; i++) { - is31fl3741_set_led_control_register(i, true); - } - - is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_1, 0); -#if defined(IS31FL3741_I2C_ADDRESS_2) - is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_2, 1); -# if defined(IS31FL3741_I2C_ADDRESS_3) - is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_3, 2); -# if defined(IS31FL3741_I2C_ADDRESS_4) - is31fl3741_update_led_control_registers(IS31FL3741_I2C_ADDRESS_4, 3); -# endif -# endif -#endif -} - -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, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC); - - // Select PG4 - is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_FUNCTION); - - // Set to Normal operation - is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_CONFIGURATION, IS31FL3741_CONFIGURATION); - - // Set Golbal Current Control Register - is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3741_GLOBAL_CURRENT); - // Set Pull up & Down for SWx CSy - is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_PULLDOWNUP, ((IS31FL3741_CS_PULLDOWN << 4) | IS31FL3741_SW_PULLUP)); - // Set PWM frequency - is31fl3741_write_register(addr, IS31FL3741_FUNCTION_REG_PWM_FREQUENCY, (IS31FL3741_PWM_FREQUENCY & 0b1111)); - - // is31fl3741_update_led_scaling_registers(addr, 0xFF, 0xFF, 0xFF); - - // Wait 10ms to ensure the device has woken up. - wait_ms(10); -} - -void is31fl3741_set_value(int index, uint8_t value) { - is31fl3741_led_t led; - if (index >= 0 && index < IS31FL3741_LED_COUNT) { - memcpy_P(&led, (&g_is31fl3741_leds[index]), sizeof(led)); - - if (g_pwm_buffer[led.driver][led.v] == value) { - return; - } - g_pwm_buffer_update_required[led.driver] = true; - g_pwm_buffer[led.driver][led.v] = value; - } -} - -void is31fl3741_set_value_all(uint8_t value) { - for (int i = 0; i < IS31FL3741_LED_COUNT; i++) { - is31fl3741_set_value(i, value); - } -} - -void is31fl3741_set_led_control_register(uint8_t index, bool value) { - is31fl3741_led_t led; - memcpy_P(&led, (&g_is31fl3741_leds[index]), sizeof(led)); - - if (value) { - g_scaling_registers[led.driver][led.v] = 0xFF; - } else { - g_scaling_registers[led.driver][led.v] = 0x00; - } - - g_scaling_registers_update_required[led.driver] = true; -} - -void is31fl3741_update_pwm_buffers(uint8_t addr, uint8_t index) { - if (g_pwm_buffer_update_required[index]) { - // unlock the command register and select PG2 - is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC); - is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_PWM_0); - - is31fl3741_write_pwm_buffer(addr, g_pwm_buffer[index]); - } - - g_pwm_buffer_update_required[index] = false; -} - -void is31fl3741_set_pwm_buffer(const is31fl3741_led_t *pled, uint8_t value) { - g_pwm_buffer[pled->driver][pled->v] = value; - - g_pwm_buffer_update_required[pled->driver] = 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, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC); - is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_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[index][i]); - } - - // unlock the command register and select PG3 - is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND_WRITE_LOCK, IS31FL3741_COMMAND_WRITE_LOCK_MAGIC); - is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, IS31FL3741_COMMAND_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[index][i]); - } - - g_scaling_registers_update_required[index] = false; - } -} - -void is31fl3741_set_scaling_registers(const is31fl3741_led_t *pled, uint8_t value) { - g_scaling_registers[pled->driver][pled->v] = value; - - g_scaling_registers_update_required[pled->driver] = true; -} - -void is31fl3741_flush(void) { - is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_1, 0); -#if defined(IS31FL3741_I2C_ADDRESS_2) - is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_2, 1); -# if defined(IS31FL3741_I2C_ADDRESS_3) - is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_3, 2); -# if defined(IS31FL3741_I2C_ADDRESS_4) - is31fl3741_update_pwm_buffers(IS31FL3741_I2C_ADDRESS_4, 3); -# endif -# endif -#endif -} |