diff options
Diffstat (limited to 'drivers/led/ckled2001-simple.c')
| -rw-r--r-- | drivers/led/ckled2001-simple.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/drivers/led/ckled2001-simple.c b/drivers/led/ckled2001-simple.c deleted file mode 100644 index c4d4c0a4cc..0000000000 --- a/drivers/led/ckled2001-simple.c +++ /dev/null @@ -1,221 +0,0 @@ -/* Copyright 2021 @ Keychron (https://www.keychron.com) - * - * 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 "ckled2001-simple.h" -#include "i2c_master.h" -#include "wait.h" - -#ifndef CKLED2001_TIMEOUT -# define CKLED2001_TIMEOUT 100 -#endif - -#ifndef CKLED2001_PERSISTENCE -# define CKLED2001_PERSISTENCE 0 -#endif - -#ifndef PHASE_CHANNEL -# define PHASE_CHANNEL MSKPHASE_12CHANNEL -#endif - -#ifndef CKLED2001_CURRENT_TUNE -# define CKLED2001_CURRENT_TUNE \ - { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF } -#endif - -// Transfer buffer for TWITransmitData() -uint8_t g_twi_transfer_buffer[20]; - -// These buffers match the CKLED2001 PWM registers. -// The control buffers match the PG0 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 ckled2001_write_pwm_buffer() but it's -// probably not worth the extra complexity. -uint8_t g_pwm_buffer[DRIVER_COUNT][192]; -bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false}; - -uint8_t g_led_control_registers[DRIVER_COUNT][24] = {0}; -bool g_led_control_registers_update_required[DRIVER_COUNT] = {false}; - -bool ckled2001_write_register(uint8_t addr, uint8_t reg, uint8_t data) { - // If the transaction fails function returns false. - g_twi_transfer_buffer[0] = reg; - g_twi_transfer_buffer[1] = data; - -#if CKLED2001_PERSISTENCE > 0 - for (uint8_t i = 0; i < CKLED2001_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, CKLED2001_TIMEOUT) != 0) { - return false; - } - } -#else - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, CKLED2001_TIMEOUT) != 0) { - return false; - } -#endif - return true; -} - -bool ckled2001_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) { - // Assumes PG1 is already selected. - // If any of the transactions fails function returns false. - // Transmit PWM registers in 12 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 < 192; i += 16) { - g_twi_transfer_buffer[0] = i; - // Copy the data from i to i+15. - // Device will auto-increment register for data after the first byte - // Thus this sets registers 0x00-0x0F, 0x10-0x1F, etc. in one transfer. - for (int j = 0; j < 16; j++) { - g_twi_transfer_buffer[1 + j] = pwm_buffer[i + j]; - } - -#if CKLED2001_PERSISTENCE > 0 - for (uint8_t i = 0; i < CKLED2001_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, CKLED2001_TIMEOUT) != 0) { - return false; - } - } -#else - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, CKLED2001_TIMEOUT) != 0) { - return false; - } -#endif - } - return true; -} - -void ckled2001_init(uint8_t addr) { - // Select to function page - ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); - // Setting LED driver to shutdown mode - ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_SHUT_DOWN_MODE); - // Setting internal channel pulldown/pullup - ckled2001_write_register(addr, PDU_REG, MSKSET_CA_CB_CHANNEL); - // Select number of scan phase - ckled2001_write_register(addr, SCAN_PHASE_REG, PHASE_CHANNEL); - // Setting PWM Delay Phase - ckled2001_write_register(addr, SLEW_RATE_CONTROL_MODE1_REG, MSKPWM_DELAY_PHASE_ENABLE); - // Setting Driving/Sinking Channel Slew Rate - ckled2001_write_register(addr, SLEW_RATE_CONTROL_MODE2_REG, MSKDRIVING_SINKING_CHHANNEL_SLEWRATE_ENABLE); - // Setting Iref - ckled2001_write_register(addr, SOFTWARE_SLEEP_REG, MSKSLEEP_DISABLE); - // Set LED CONTROL PAGE (Page 0) - ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE); - for (int i = 0; i < LED_CONTROL_ON_OFF_LENGTH; i++) { - ckled2001_write_register(addr, i, 0x00); - } - - // Set PWM PAGE (Page 1) - ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_PWM_PAGE); - for (int i = 0; i < LED_CURRENT_TUNE_LENGTH; i++) { - ckled2001_write_register(addr, i, 0x00); - } - - // Set CURRENT PAGE (Page 4) - uint8_t current_tuen_reg_list[LED_CURRENT_TUNE_LENGTH] = CKLED2001_CURRENT_TUNE; - ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, CURRENT_TUNE_PAGE); - for (int i = 0; i < LED_CURRENT_TUNE_LENGTH; i++) { - ckled2001_write_register(addr, i, current_tuen_reg_list[i]); - } - - // Enable LEDs ON/OFF - ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE); - for (int i = 0; i < LED_CONTROL_ON_OFF_LENGTH; i++) { - ckled2001_write_register(addr, i, 0xFF); - } - - // Select to function page - ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); - // Setting LED driver to normal mode - ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_NORMAL_MODE); -} - -void ckled2001_set_value(int index, uint8_t value) { - ckled2001_led led; - if (index >= 0 && index < LED_MATRIX_LED_COUNT) { - memcpy_P(&led, (&g_ckled2001_leds[index]), sizeof(led)); - - if (g_pwm_buffer[led.driver][led.v] == value) { - return; - } - g_pwm_buffer[led.driver][led.v] = value; - g_pwm_buffer_update_required[led.driver] = true; - } -} - -void ckled2001_set_value_all(uint8_t value) { - for (int i = 0; i < LED_MATRIX_LED_COUNT; i++) { - ckled2001_set_value(i, value); - } -} - -void ckled2001_set_led_control_register(uint8_t index, bool value) { - ckled2001_led led; - memcpy_P(&led, (&g_ckled2001_leds[index]), sizeof(led)); - - uint8_t control_register = led.v / 8; - uint8_t bit_value = led.v % 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 ckled2001_update_pwm_buffers(uint8_t addr, uint8_t index) { - if (g_pwm_buffer_update_required[index]) { - ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_PWM_PAGE); - - // If any of the transactions fail we risk writing dirty PG0, - // refresh page 0 just in case. - if (!ckled2001_write_pwm_buffer(addr, g_pwm_buffer[index])) { - g_led_control_registers_update_required[index] = true; - } - } - g_pwm_buffer_update_required[index] = false; -} - -void ckled2001_update_led_control_registers(uint8_t addr, uint8_t index) { - if (g_led_control_registers_update_required[index]) { - ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE); - for (int i = 0; i < 24; i++) { - ckled2001_write_register(addr, i, g_led_control_registers[index][i]); - } - } - g_led_control_registers_update_required[index] = false; -} - -void ckled2001_sw_return_normal(uint8_t addr) { - // Select to function page - ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); - // Setting LED driver to normal mode - ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_NORMAL_MODE); -} - -void ckled2001_sw_shutdown(uint8_t addr) { - // Select to function page - ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE); - // Setting LED driver to shutdown mode - ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_SHUT_DOWN_MODE); - // Write SW Sleep Register - ckled2001_write_register(addr, SOFTWARE_SLEEP_REG, MSKSLEEP_ENABLE); -} |