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Diffstat (limited to 'drivers/issi/is31fl3736.c')
-rw-r--r--drivers/issi/is31fl3736.c269
1 files changed, 0 insertions, 269 deletions
diff --git a/drivers/issi/is31fl3736.c b/drivers/issi/is31fl3736.c
deleted file mode 100644
index 7dece1b1eb..0000000000
--- a/drivers/issi/is31fl3736.c
+++ /dev/null
@@ -1,269 +0,0 @@
-/* Copyright 2018 Jason Williams (Wilba)
- *
- * 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 "is31fl3736.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:
-// 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 0x50
-
-#define ISSI_COMMANDREGISTER 0xFD
-#define ISSI_COMMANDREGISTER_WRITELOCK 0xFE
-#define ISSI_INTERRUPTMASKREGISTER 0xF0
-#define ISSI_INTERRUPTSTATUSREGISTER 0xF1
-
-#define ISSI_PAGE_LEDCONTROL 0x00 // PG0
-#define ISSI_PAGE_PWM 0x01 // PG1
-#define ISSI_PAGE_AUTOBREATH 0x02 // PG2
-#define ISSI_PAGE_FUNCTION 0x03 // PG3
-
-#define ISSI_REG_CONFIGURATION 0x00 // PG3
-#define ISSI_REG_GLOBALCURRENT 0x01 // PG3
-#define ISSI_REG_RESET 0x11 // PG3
-#define ISSI_REG_SWPULLUP 0x0F // PG3
-#define ISSI_REG_CSPULLUP 0x10 // PG3
-
-#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 IS31FL3736 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 IS31FL3736_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 = false;
-
-uint8_t g_led_control_registers[DRIVER_COUNT][24] = {{0}, {0}};
-bool g_led_control_registers_update_required = false;
-
-void IS31FL3736_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 IS31FL3736_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
- // assumes PG1 is already selected
-
- // 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 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 IS31FL3736_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.
- IS31FL3736_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
-
- // Select PG0
- IS31FL3736_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL);
- // Turn off all LEDs.
- for (int i = 0x00; i <= 0x17; i++) {
- IS31FL3736_write_register(addr, i, 0x00);
- }
-
- // Unlock the command register.
- IS31FL3736_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
-
- // Select PG1
- IS31FL3736_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM);
- // Set PWM on all LEDs to 0
- // No need to setup Breath registers to PWM as that is the default.
- for (int i = 0x00; i <= 0xBF; i++) {
- IS31FL3736_write_register(addr, i, 0x00);
- }
-
- // Unlock the command register.
- IS31FL3736_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
-
- // Select PG3
- IS31FL3736_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
- // Set global current to maximum.
- IS31FL3736_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF);
- // Disable software shutdown.
- IS31FL3736_write_register(addr, ISSI_REG_CONFIGURATION, 0x01);
-
- // Wait 10ms to ensure the device has woken up.
- wait_ms(10);
-}
-
-void IS31FL3736_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 IS31FL3736_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
- for (int i = 0; i < DRIVER_LED_TOTAL; i++) {
- IS31FL3736_set_color(i, red, green, blue);
- }
-}
-
-void IS31FL3736_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
- is31_led led = g_is31_leds[index];
-
- // IS31FL3733
- // The PWM register for a matrix position (0x00 to 0xBF) can be
- // divided by 8 to get the LED control register (0x00 to 0x17),
- // then mod 8 to get the bit position within that register.
-
- // IS31FL3736
- // The PWM register for a matrix position (0x00 to 0xBF) is interleaved, so:
- // A1=0x00 A2=0x02 A3=0x04 A4=0x06 A5=0x08 A6=0x0A A7=0x0C A8=0x0E
- // B1=0x10 B2=0x12 B3=0x14
- // But also, the LED control registers (0x00 to 0x17) are also interleaved, so:
- // A1-A4=0x00 A5-A8=0x01
- // So, the same math applies.
-
- uint8_t control_register_r = led.r / 8;
- uint8_t control_register_g = led.g / 8;
- uint8_t control_register_b = led.b / 8;
-
- uint8_t bit_r = led.r % 8;
- uint8_t bit_g = led.g % 8;
- uint8_t bit_b = led.b % 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 = true;
-}
-
-void IS31FL3736_mono_set_brightness(int index, uint8_t value) {
- if (index >= 0 && index < 96) {
- // Index in range 0..95 -> A1..A8, B1..B8, etc.
- // Map index 0..95 to registers 0x00..0xBE (interleaved)
- uint8_t pwm_register = index * 2;
- g_pwm_buffer[0][pwm_register] = value;
- g_pwm_buffer_update_required = true;
- }
-}
-
-void IS31FL3736_mono_set_brightness_all(uint8_t value) {
- for (int i = 0; i < 96; i++) {
- IS31FL3736_mono_set_brightness(i, value);
- }
-}
-
-void IS31FL3736_mono_set_led_control_register(uint8_t index, bool enabled) {
- // Index in range 0..95 -> A1..A8, B1..B8, etc.
-
- // Map index 0..95 to registers 0x00..0xBE (interleaved)
- uint8_t pwm_register = index * 2;
- // Map register 0x00..0xBE (interleaved) into control register and bit
- uint8_t control_register = pwm_register / 8;
- uint8_t bit = pwm_register % 8;
-
- if (enabled) {
- g_led_control_registers[0][control_register] |= (1 << bit);
- } else {
- g_led_control_registers[0][control_register] &= ~(1 << bit);
- }
-
- g_led_control_registers_update_required = true;
-}
-
-void IS31FL3736_update_pwm_buffers(uint8_t addr1, uint8_t addr2) {
- if (g_pwm_buffer_update_required) {
- // Firstly we need to unlock the command register and select PG1
- IS31FL3736_write_register(addr1, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
- IS31FL3736_write_register(addr1, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM);
-
- IS31FL3736_write_pwm_buffer(addr1, g_pwm_buffer[0]);
- // IS31FL3736_write_pwm_buffer(addr2, g_pwm_buffer[1]);
- }
- g_pwm_buffer_update_required = false;
-}
-
-void IS31FL3736_update_led_control_registers(uint8_t addr1, uint8_t addr2) {
- if (g_led_control_registers_update_required) {
- // Firstly we need to unlock the command register and select PG0
- IS31FL3736_write_register(addr1, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
- IS31FL3736_write_register(addr1, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL);
- for (int i = 0; i < 24; i++) {
- IS31FL3736_write_register(addr1, i, g_led_control_registers[0][i]);
- // IS31FL3736_write_register(addr2, i, g_led_control_registers[1][i]);
- }
- g_led_control_registers_update_required = false;
- }
-}
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