LED drivers: extract IS31FL3745 from IS31COMMON (#22636)
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10 changed files with 820 additions and 92 deletions
216
drivers/led/issi/is31fl3745-simple.c
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216
drivers/led/issi/is31fl3745-simple.c
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#include "is31fl3745-simple.h"
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#include <string.h>
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#include "i2c_master.h"
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#include "wait.h"
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#define IS31FL3745_PWM_REGISTER_COUNT 144
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#define IS31FL3745_SCALING_REGISTER_COUNT 144
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#ifndef IS31FL3745_I2C_TIMEOUT
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# define IS31FL3745_I2C_TIMEOUT 100
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#endif
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#ifndef IS31FL3745_I2C_PERSISTENCE
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# define IS31FL3745_I2C_PERSISTENCE 0
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#endif
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#ifndef IS31FL3745_CONFIGURATION
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# define IS31FL3745_CONFIGURATION 0x31
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#endif
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#ifndef IS31FL3745_SW_PULLDOWN
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# define IS31FL3745_SW_PULLDOWN IS31FL3745_PDR_2K_OHM_SW_OFF
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#endif
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#ifndef IS31FL3745_CS_PULLUP
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# define IS31FL3745_CS_PULLUP IS31FL3745_PUR_2K_OHM_CS_OFF
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#endif
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#ifndef IS31FL3745_GLOBAL_CURRENT
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# define IS31FL3745_GLOBAL_CURRENT 0xFF
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#endif
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#ifndef IS31FL3745_SYNC_1
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# define IS31FL3745_SYNC_1 IS31FL3745_SYNC_NONE
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#endif
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#ifndef IS31FL3745_SYNC_2
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# define IS31FL3745_SYNC_2 IS31FL3745_SYNC_NONE
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#endif
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#ifndef IS31FL3745_SYNC_3
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# define IS31FL3745_SYNC_3 IS31FL3745_SYNC_NONE
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#endif
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#ifndef IS31FL3745_SYNC_4
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# define IS31FL3745_SYNC_4 IS31FL3745_SYNC_NONE
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#endif
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uint8_t i2c_transfer_buffer[20] = {0xFF};
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uint8_t g_pwm_buffer[IS31FL3745_DRIVER_COUNT][IS31FL3745_PWM_REGISTER_COUNT];
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bool g_pwm_buffer_update_required[IS31FL3745_DRIVER_COUNT] = {false};
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bool g_scaling_registers_update_required[IS31FL3745_DRIVER_COUNT] = {false};
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uint8_t g_scaling_registers[IS31FL3745_DRIVER_COUNT][IS31FL3745_SCALING_REGISTER_COUNT];
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void is31fl3745_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
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i2c_transfer_buffer[0] = reg;
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i2c_transfer_buffer[1] = data;
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#if IS31FL3745_I2C_PERSISTENCE > 0
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for (uint8_t i = 0; i < IS31FL3745_I2C_PERSISTENCE; i++) {
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if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3745_I2C_TIMEOUT) == 0) break;
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}
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#else
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i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3745_I2C_TIMEOUT);
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#endif
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}
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void is31fl3745_select_page(uint8_t addr, uint8_t page) {
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is31fl3745_write_register(addr, IS31FL3745_REG_COMMAND_WRITE_LOCK, IS31FL3745_COMMAND_WRITE_LOCK_MAGIC);
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is31fl3745_write_register(addr, IS31FL3745_REG_COMMAND, page);
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}
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void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
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// Assumes page 0 is already selected.
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// If any of the transactions fails function returns false.
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// Transmit PWM registers in 12 transfers of 16 bytes.
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// i2c_transfer_buffer[] is 20 bytes
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// Iterate over the pwm_buffer contents at 16 byte intervals.
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for (int i = 0; i < IS31FL3745_PWM_REGISTER_COUNT; i += 16) {
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i2c_transfer_buffer[0] = i + 1;
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// Copy the data from i to i+15.
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// Device will auto-increment register for data after the first byte
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// Thus this sets registers 0x00-0x0F, 0x10-0x1F, etc. in one transfer.
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memcpy(i2c_transfer_buffer + 1, pwm_buffer + i, 16);
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#if IS31FL3745_I2C_PERSISTENCE > 0
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for (uint8_t i = 0; i < IS31FL3745_I2C_PERSISTENCE; i++) {
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if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3745_I2C_TIMEOUT) != 0) break;
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}
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#else
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i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3745_I2C_TIMEOUT);
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#endif
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}
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}
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void is31fl3745_init_drivers(void) {
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i2c_init();
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is31fl3745_init(IS31FL3745_I2C_ADDRESS_1, IS31FL3745_SYNC_1);
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#if defined(IS31FL3745_I2C_ADDRESS_2)
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is31fl3745_init(IS31FL3745_I2C_ADDRESS_2, IS31FL3745_SYNC_2);
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# if defined(IS31FL3745_I2C_ADDRESS_3)
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is31fl3745_init(IS31FL3745_I2C_ADDRESS_3, IS31FL3745_SYNC_3);
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# if defined(IS31FL3745_I2C_ADDRESS_4)
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is31fl3745_init(IS31FL3745_I2C_ADDRESS_4, IS31FL3745_SYNC_4);
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# endif
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# endif
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#endif
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for (int i = 0; i < IS31FL3745_LED_COUNT; i++) {
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is31fl3745_set_scaling_register(i, 0xFF);
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}
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is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_1, 0);
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#if defined(IS31FL3745_I2C_ADDRESS_2)
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is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_2, 1);
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# if defined(IS31FL3745_I2C_ADDRESS_3)
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is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_3, 2);
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# if defined(IS31FL3745_I2C_ADDRESS_4)
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is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_4, 3);
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# endif
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# endif
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#endif
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}
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void is31fl3745_init(uint8_t addr, uint8_t sync) {
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// In order to avoid the LEDs being driven with garbage data
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// in the LED driver's PWM registers, shutdown is enabled last.
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// Set up the mode and other settings, clear the PWM registers,
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// then disable software shutdown.
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is31fl3745_select_page(addr, IS31FL3745_COMMAND_SCALING);
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// Turn off all LEDs.
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for (int i = 0; i < IS31FL3745_SCALING_REGISTER_COUNT; i++) {
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is31fl3745_write_register(addr, i + 1, 0x00);
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}
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is31fl3745_select_page(addr, IS31FL3745_COMMAND_PWM);
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for (int i = 0; i < IS31FL3745_PWM_REGISTER_COUNT; i++) {
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is31fl3745_write_register(addr, i + 1, 0x00);
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}
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is31fl3745_select_page(addr, IS31FL3745_COMMAND_FUNCTION);
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is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_PULLDOWNUP, (IS31FL3745_SW_PULLDOWN << 4) | IS31FL3745_CS_PULLUP);
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is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3745_GLOBAL_CURRENT);
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is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
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is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_CONFIGURATION, IS31FL3745_CONFIGURATION);
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// Wait 10ms to ensure the device has woken up.
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wait_ms(10);
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}
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void is31fl3745_set_value(int index, uint8_t value) {
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is31fl3745_led_t led;
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if (index >= 0 && index < IS31FL3745_LED_COUNT) {
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memcpy_P(&led, (&g_is31fl3745_leds[index]), sizeof(led));
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if (g_pwm_buffer[led.driver][led.v] == value) {
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return;
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}
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g_pwm_buffer_update_required[led.driver] = true;
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g_pwm_buffer[led.driver][led.v] = value;
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}
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}
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void is31fl3745_set_value_all(uint8_t value) {
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for (int i = 0; i < IS31FL3745_LED_COUNT; i++) {
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is31fl3745_set_value(i, value);
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}
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}
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void is31fl3745_set_scaling_register(uint8_t index, uint8_t value) {
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is31fl3745_led_t led;
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memcpy_P(&led, (&g_is31fl3745_leds[index]), sizeof(led));
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g_scaling_registers[led.driver][led.v] = value;
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g_scaling_registers_update_required[led.driver] = true;
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}
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void is31fl3745_update_pwm_buffers(uint8_t addr, uint8_t index) {
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if (g_pwm_buffer_update_required[index]) {
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is31fl3745_select_page(addr, IS31FL3745_COMMAND_PWM);
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is31fl3745_write_pwm_buffer(addr, g_pwm_buffer[index]);
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}
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g_pwm_buffer_update_required[index] = false;
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}
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void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index) {
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if (g_scaling_registers_update_required[index]) {
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is31fl3745_select_page(addr, IS31FL3745_COMMAND_SCALING);
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for (int i = 0; i < IS31FL3745_SCALING_REGISTER_COUNT; i++) {
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is31fl3745_write_register(addr, i + 1, g_scaling_registers[index][i]);
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}
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g_scaling_registers_update_required[index] = false;
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}
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}
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void is31fl3745_flush(void) {
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is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_1, 0);
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#if defined(IS31FL3745_I2C_ADDRESS_2)
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is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_2, 1);
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# if defined(IS31FL3745_I2C_ADDRESS_3)
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is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_3, 2);
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# if defined(IS31FL3745_I2C_ADDRESS_4)
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is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_4, 3);
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# endif
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# endif
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#endif
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}
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272
drivers/led/issi/is31fl3745-simple.h
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272
drivers/led/issi/is31fl3745-simple.h
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/* Copyright 2017 Jason Williams
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* Copyright 2018 Jack Humbert
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* Copyright 2018 Yiancar
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* Copyright 2020 MelGeek
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* Copyright 2021 MasterSpoon
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "progmem.h"
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#include "util.h"
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#define IS31FL3745_REG_ID 0xFC
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#define IS31FL3745_REG_COMMAND 0xFD
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#define IS31FL3745_COMMAND_PWM 0x00
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#define IS31FL3745_COMMAND_SCALING 0x01
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#define IS31FL3745_COMMAND_FUNCTION 0x02
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#define IS31FL3745_FUNCTION_REG_CONFIGURATION 0x00
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#define IS31FL3745_FUNCTION_REG_GLOBAL_CURRENT 0x01
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#define IS31FL3745_FUNCTION_REG_PULLDOWNUP 0x02
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#define IS31FL3745_FUNCTION_REG_TEMPERATURE 0x24
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#define IS31FL3745_FUNCTION_REG_SPREAD_SPECTRUM 0x25
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#define IS31FL3745_FUNCTION_REG_RESET 0x2F
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#define IS31FL3745_REG_COMMAND_WRITE_LOCK 0xFE
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#define IS31FL3745_COMMAND_WRITE_LOCK_MAGIC 0xC5
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#define IS31FL3745_I2C_ADDRESS_GND_GND 0x20
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#define IS31FL3745_I2C_ADDRESS_GND_SCL 0x21
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#define IS31FL3745_I2C_ADDRESS_GND_SDA 0x22
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#define IS31FL3745_I2C_ADDRESS_GND_VCC 0x23
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#define IS31FL3745_I2C_ADDRESS_SCL_GND 0x24
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#define IS31FL3745_I2C_ADDRESS_SCL_SCL 0x25
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#define IS31FL3745_I2C_ADDRESS_SCL_SDA 0x26
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#define IS31FL3745_I2C_ADDRESS_SCL_VCC 0x27
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#define IS31FL3745_I2C_ADDRESS_SDA_GND 0x28
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#define IS31FL3745_I2C_ADDRESS_SDA_SCL 0x29
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#define IS31FL3745_I2C_ADDRESS_SDA_SDA 0x2A
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#define IS31FL3745_I2C_ADDRESS_SDA_VCC 0x2B
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#define IS31FL3745_I2C_ADDRESS_VCC_GND 0x2C
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#define IS31FL3745_I2C_ADDRESS_VCC_SCL 0x2D
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#define IS31FL3745_I2C_ADDRESS_VCC_SDA 0x2E
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#define IS31FL3745_I2C_ADDRESS_VCC_VCC 0x2F
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#if defined(LED_MATRIX_IS31FL3745)
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# define IS31FL3745_LED_COUNT LED_MATRIX_LED_COUNT
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#endif
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#if defined(IS31FL3745_I2C_ADDRESS_4)
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# define IS31FL3745_DRIVER_COUNT 4
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#elif defined(IS31FL3745_I2C_ADDRESS_3)
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# define IS31FL3745_DRIVER_COUNT 3
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#elif defined(IS31FL3745_I2C_ADDRESS_2)
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# define IS31FL3745_DRIVER_COUNT 2
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#elif defined(IS31FL3745_I2C_ADDRESS_1)
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# define IS31FL3745_DRIVER_COUNT 1
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#endif
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typedef struct is31fl3745_led_t {
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uint8_t driver : 2;
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uint8_t v;
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} PACKED is31fl3745_led_t;
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extern const is31fl3745_led_t PROGMEM g_is31fl3745_leds[IS31FL3745_LED_COUNT];
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void is31fl3745_init_drivers(void);
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void is31fl3745_init(uint8_t addr, uint8_t sync);
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void is31fl3745_write_register(uint8_t addr, uint8_t reg, uint8_t data);
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void is31fl3745_select_page(uint8_t addr, uint8_t page);
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void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
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void is31fl3745_set_value(int index, uint8_t value);
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void is31fl3745_set_value_all(uint8_t value);
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void is31fl3745_set_scaling_register(uint8_t index, uint8_t value);
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void is31fl3745_update_pwm_buffers(uint8_t addr, uint8_t index);
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void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index);
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void is31fl3745_flush(void);
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#define IS31FL3745_PDR_0_OHM 0b000 // No pull-down resistor
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#define IS31FL3745_PDR_0K5_OHM_SW_OFF 0b001 // 0.5 kOhm resistor in SWx off time
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#define IS31FL3745_PDR_1K_OHM_SW_OFF 0b010 // 1 kOhm resistor in SWx off time
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#define IS31FL3745_PDR_2K_OHM_SW_OFF 0b011 // 2 kOhm resistor in SWx off time
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#define IS31FL3745_PDR_1K_OHM 0b100 // 1 kOhm resistor
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#define IS31FL3745_PDR_2K_OHM 0b101 // 2 kOhm resistor
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#define IS31FL3745_PDR_4K_OHM 0b110 // 4 kOhm resistor
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#define IS31FL3745_PDR_8K_OHM 0b111 // 8 kOhm resistor
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#define IS31FL3745_PUR_0_OHM 0b000 // No pull-up resistor
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#define IS31FL3745_PUR_0K5_OHM_CS_OFF 0b001 // 0.5 kOhm resistor in CSy off time
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#define IS31FL3745_PUR_1K_OHM_CS_OFF 0b010 // 1 kOhm resistor in CSy off time
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#define IS31FL3745_PUR_2K_OHM_CS_OFF 0b011 // 2 kOhm resistor in CSy off time
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#define IS31FL3745_PUR_1K_OHM 0b100 // 1 kOhm resistor
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#define IS31FL3745_PUR_2K_OHM 0b101 // 2 kOhm resistor
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#define IS31FL3745_PUR_4K_OHM 0b110 // 4 kOhm resistor
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#define IS31FL3745_PUR_8K_OHM 0b111 // 8 kOhm resistor
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#define IS31FL3745_SYNC_NONE 0b00
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#define IS31FL3745_SYNC_SLAVE 0b10
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#define IS31FL3745_SYNC_MASTER 0b11
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#define CS1_SW1 0x00
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#define CS2_SW1 0x01
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#define CS3_SW1 0x02
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#define CS4_SW1 0x03
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#define CS5_SW1 0x04
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#define CS6_SW1 0x05
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#define CS7_SW1 0x06
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#define CS8_SW1 0x07
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#define CS9_SW1 0x08
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#define CS10_SW1 0x09
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#define CS11_SW1 0x0A
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#define CS12_SW1 0x0B
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#define CS13_SW1 0x0C
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#define CS14_SW1 0x0D
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#define CS15_SW1 0x0E
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#define CS16_SW1 0x0F
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#define CS17_SW1 0x10
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#define CS18_SW1 0x11
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#define CS1_SW2 0x12
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#define CS2_SW2 0x13
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#define CS3_SW2 0x14
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#define CS4_SW2 0x15
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#define CS5_SW2 0x16
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#define CS6_SW2 0x17
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#define CS7_SW2 0x18
|
||||
#define CS8_SW2 0x19
|
||||
#define CS9_SW2 0x1A
|
||||
#define CS10_SW2 0x1B
|
||||
#define CS11_SW2 0x1C
|
||||
#define CS12_SW2 0x1D
|
||||
#define CS13_SW2 0x1E
|
||||
#define CS14_SW2 0x1F
|
||||
#define CS15_SW2 0x20
|
||||
#define CS16_SW2 0x21
|
||||
#define CS17_SW2 0x22
|
||||
#define CS18_SW2 0x23
|
||||
|
||||
#define CS1_SW3 0x24
|
||||
#define CS2_SW3 0x25
|
||||
#define CS3_SW3 0x26
|
||||
#define CS4_SW3 0x27
|
||||
#define CS5_SW3 0x28
|
||||
#define CS6_SW3 0x29
|
||||
#define CS7_SW3 0x2A
|
||||
#define CS8_SW3 0x2B
|
||||
#define CS9_SW3 0x2C
|
||||
#define CS10_SW3 0x2D
|
||||
#define CS11_SW3 0x2E
|
||||
#define CS12_SW3 0x2F
|
||||
#define CS13_SW3 0x30
|
||||
#define CS14_SW3 0x31
|
||||
#define CS15_SW3 0x32
|
||||
#define CS16_SW3 0x33
|
||||
#define CS17_SW3 0x34
|
||||
#define CS18_SW3 0x35
|
||||
|
||||
#define CS1_SW4 0x36
|
||||
#define CS2_SW4 0x37
|
||||
#define CS3_SW4 0x38
|
||||
#define CS4_SW4 0x39
|
||||
#define CS5_SW4 0x3A
|
||||
#define CS6_SW4 0x3B
|
||||
#define CS7_SW4 0x3C
|
||||
#define CS8_SW4 0x3D
|
||||
#define CS9_SW4 0x3E
|
||||
#define CS10_SW4 0x3F
|
||||
#define CS11_SW4 0x40
|
||||
#define CS12_SW4 0x41
|
||||
#define CS13_SW4 0x42
|
||||
#define CS14_SW4 0x43
|
||||
#define CS15_SW4 0x44
|
||||
#define CS16_SW4 0x45
|
||||
#define CS17_SW4 0x46
|
||||
#define CS18_SW4 0x47
|
||||
|
||||
#define CS1_SW5 0x48
|
||||
#define CS2_SW5 0x49
|
||||
#define CS3_SW5 0x4A
|
||||
#define CS4_SW5 0x4B
|
||||
#define CS5_SW5 0x4C
|
||||
#define CS6_SW5 0x4D
|
||||
#define CS7_SW5 0x4E
|
||||
#define CS8_SW5 0x4F
|
||||
#define CS9_SW5 0x50
|
||||
#define CS10_SW5 0x51
|
||||
#define CS11_SW5 0x52
|
||||
#define CS12_SW5 0x53
|
||||
#define CS13_SW5 0x54
|
||||
#define CS14_SW5 0x55
|
||||
#define CS15_SW5 0x56
|
||||
#define CS16_SW5 0x57
|
||||
#define CS17_SW5 0x58
|
||||
#define CS18_SW5 0x59
|
||||
|
||||
#define CS1_SW6 0x5A
|
||||
#define CS2_SW6 0x5B
|
||||
#define CS3_SW6 0x5C
|
||||
#define CS4_SW6 0x5D
|
||||
#define CS5_SW6 0x5E
|
||||
#define CS6_SW6 0x5F
|
||||
#define CS7_SW6 0x60
|
||||
#define CS8_SW6 0x61
|
||||
#define CS9_SW6 0x62
|
||||
#define CS10_SW6 0x63
|
||||
#define CS11_SW6 0x64
|
||||
#define CS12_SW6 0x65
|
||||
#define CS13_SW6 0x66
|
||||
#define CS14_SW6 0x67
|
||||
#define CS15_SW6 0x68
|
||||
#define CS16_SW6 0x69
|
||||
#define CS17_SW6 0x6A
|
||||
#define CS18_SW6 0x6B
|
||||
|
||||
#define CS1_SW7 0x6C
|
||||
#define CS2_SW7 0x6D
|
||||
#define CS3_SW7 0x6E
|
||||
#define CS4_SW7 0x6F
|
||||
#define CS5_SW7 0x70
|
||||
#define CS6_SW7 0x71
|
||||
#define CS7_SW7 0x72
|
||||
#define CS8_SW7 0x73
|
||||
#define CS9_SW7 0x74
|
||||
#define CS10_SW7 0x75
|
||||
#define CS11_SW7 0x76
|
||||
#define CS12_SW7 0x77
|
||||
#define CS13_SW7 0x78
|
||||
#define CS14_SW7 0x79
|
||||
#define CS15_SW7 0x7A
|
||||
#define CS16_SW7 0x7B
|
||||
#define CS17_SW7 0x7C
|
||||
#define CS18_SW7 0x7D
|
||||
|
||||
#define CS1_SW8 0x7E
|
||||
#define CS2_SW8 0x7F
|
||||
#define CS3_SW8 0x80
|
||||
#define CS4_SW8 0x81
|
||||
#define CS5_SW8 0x82
|
||||
#define CS6_SW8 0x83
|
||||
#define CS7_SW8 0x84
|
||||
#define CS8_SW8 0x85
|
||||
#define CS9_SW8 0x86
|
||||
#define CS10_SW8 0x87
|
||||
#define CS11_SW8 0x88
|
||||
#define CS12_SW8 0x89
|
||||
#define CS13_SW8 0x8A
|
||||
#define CS14_SW8 0x8B
|
||||
#define CS15_SW8 0x8C
|
||||
#define CS16_SW8 0x8D
|
||||
#define CS17_SW8 0x8E
|
||||
#define CS18_SW8 0x8F
|
||||
220
drivers/led/issi/is31fl3745.c
Normal file
220
drivers/led/issi/is31fl3745.c
Normal file
|
|
@ -0,0 +1,220 @@
|
|||
#include "is31fl3745.h"
|
||||
#include <string.h>
|
||||
#include "i2c_master.h"
|
||||
#include "wait.h"
|
||||
|
||||
#define IS31FL3745_PWM_REGISTER_COUNT 144
|
||||
#define IS31FL3745_SCALING_REGISTER_COUNT 144
|
||||
|
||||
#ifndef IS31FL3745_I2C_TIMEOUT
|
||||
# define IS31FL3745_I2C_TIMEOUT 100
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3745_I2C_PERSISTENCE
|
||||
# define IS31FL3745_I2C_PERSISTENCE 0
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3745_CONFIGURATION
|
||||
# define IS31FL3745_CONFIGURATION 0x31
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3745_SW_PULLDOWN
|
||||
# define IS31FL3745_SW_PULLDOWN IS31FL3745_PDR_2K_OHM_SW_OFF
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3745_CS_PULLUP
|
||||
# define IS31FL3745_CS_PULLUP IS31FL3745_PUR_2K_OHM_CS_OFF
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3745_GLOBAL_CURRENT
|
||||
# define IS31FL3745_GLOBAL_CURRENT 0xFF
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3745_SYNC_1
|
||||
# define IS31FL3745_SYNC_1 IS31FL3745_SYNC_NONE
|
||||
#endif
|
||||
#ifndef IS31FL3745_SYNC_2
|
||||
# define IS31FL3745_SYNC_2 IS31FL3745_SYNC_NONE
|
||||
#endif
|
||||
#ifndef IS31FL3745_SYNC_3
|
||||
# define IS31FL3745_SYNC_3 IS31FL3745_SYNC_NONE
|
||||
#endif
|
||||
#ifndef IS31FL3745_SYNC_4
|
||||
# define IS31FL3745_SYNC_4 IS31FL3745_SYNC_NONE
|
||||
#endif
|
||||
|
||||
uint8_t i2c_transfer_buffer[20] = {0xFF};
|
||||
|
||||
uint8_t g_pwm_buffer[IS31FL3745_DRIVER_COUNT][IS31FL3745_PWM_REGISTER_COUNT];
|
||||
bool g_pwm_buffer_update_required[IS31FL3745_DRIVER_COUNT] = {false};
|
||||
bool g_scaling_registers_update_required[IS31FL3745_DRIVER_COUNT] = {false};
|
||||
|
||||
uint8_t g_scaling_registers[IS31FL3745_DRIVER_COUNT][IS31FL3745_SCALING_REGISTER_COUNT];
|
||||
|
||||
void is31fl3745_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
|
||||
i2c_transfer_buffer[0] = reg;
|
||||
i2c_transfer_buffer[1] = data;
|
||||
|
||||
#if IS31FL3745_I2C_PERSISTENCE > 0
|
||||
for (uint8_t i = 0; i < IS31FL3745_I2C_PERSISTENCE; i++) {
|
||||
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3745_I2C_TIMEOUT) == 0) break;
|
||||
}
|
||||
#else
|
||||
i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3745_I2C_TIMEOUT);
|
||||
#endif
|
||||
}
|
||||
|
||||
void is31fl3745_select_page(uint8_t addr, uint8_t page) {
|
||||
is31fl3745_write_register(addr, IS31FL3745_REG_COMMAND_WRITE_LOCK, IS31FL3745_COMMAND_WRITE_LOCK_MAGIC);
|
||||
is31fl3745_write_register(addr, IS31FL3745_REG_COMMAND, page);
|
||||
}
|
||||
|
||||
void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
|
||||
// Assumes page 0 is already selected.
|
||||
// If any of the transactions fails function returns false.
|
||||
// Transmit PWM registers in 12 transfers of 16 bytes.
|
||||
// i2c_transfer_buffer[] is 20 bytes
|
||||
|
||||
// Iterate over the pwm_buffer contents at 16 byte intervals.
|
||||
for (int i = 0; i < IS31FL3745_PWM_REGISTER_COUNT; i += 16) {
|
||||
i2c_transfer_buffer[0] = i + 1;
|
||||
// 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.
|
||||
memcpy(i2c_transfer_buffer + 1, pwm_buffer + i, 16);
|
||||
|
||||
#if IS31FL3745_I2C_PERSISTENCE > 0
|
||||
for (uint8_t i = 0; i < IS31FL3745_I2C_PERSISTENCE; i++) {
|
||||
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3745_I2C_TIMEOUT) != 0) break;
|
||||
}
|
||||
#else
|
||||
i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3745_I2C_TIMEOUT);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
void is31fl3745_init_drivers(void) {
|
||||
i2c_init();
|
||||
|
||||
is31fl3745_init(IS31FL3745_I2C_ADDRESS_1, IS31FL3745_SYNC_1);
|
||||
#if defined(IS31FL3745_I2C_ADDRESS_2)
|
||||
is31fl3745_init(IS31FL3745_I2C_ADDRESS_2, IS31FL3745_SYNC_2);
|
||||
# if defined(IS31FL3745_I2C_ADDRESS_3)
|
||||
is31fl3745_init(IS31FL3745_I2C_ADDRESS_3, IS31FL3745_SYNC_3);
|
||||
# if defined(IS31FL3745_I2C_ADDRESS_4)
|
||||
is31fl3745_init(IS31FL3745_I2C_ADDRESS_4, IS31FL3745_SYNC_4);
|
||||
# endif
|
||||
# endif
|
||||
#endif
|
||||
|
||||
for (int i = 0; i < IS31FL3745_LED_COUNT; i++) {
|
||||
is31fl3745_set_scaling_register(i, 0xFF, 0xFF, 0xFF);
|
||||
}
|
||||
|
||||
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_1, 0);
|
||||
#if defined(IS31FL3745_I2C_ADDRESS_2)
|
||||
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_2, 1);
|
||||
# if defined(IS31FL3745_I2C_ADDRESS_3)
|
||||
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_3, 2);
|
||||
# if defined(IS31FL3745_I2C_ADDRESS_4)
|
||||
is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_4, 3);
|
||||
# endif
|
||||
# endif
|
||||
#endif
|
||||
}
|
||||
|
||||
void is31fl3745_init(uint8_t addr, uint8_t sync) {
|
||||
// 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.
|
||||
|
||||
is31fl3745_select_page(addr, IS31FL3745_COMMAND_SCALING);
|
||||
|
||||
// Turn off all LEDs.
|
||||
for (int i = 0; i < IS31FL3745_SCALING_REGISTER_COUNT; i++) {
|
||||
is31fl3745_write_register(addr, i + 1, 0x00);
|
||||
}
|
||||
|
||||
is31fl3745_select_page(addr, IS31FL3745_COMMAND_PWM);
|
||||
|
||||
for (int i = 0; i < IS31FL3745_PWM_REGISTER_COUNT; i++) {
|
||||
is31fl3745_write_register(addr, i + 1, 0x00);
|
||||
}
|
||||
|
||||
is31fl3745_select_page(addr, IS31FL3745_COMMAND_FUNCTION);
|
||||
|
||||
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_PULLDOWNUP, (IS31FL3745_SW_PULLDOWN << 4) | IS31FL3745_CS_PULLUP);
|
||||
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3745_GLOBAL_CURRENT);
|
||||
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
|
||||
is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_CONFIGURATION, IS31FL3745_CONFIGURATION);
|
||||
|
||||
// Wait 10ms to ensure the device has woken up.
|
||||
wait_ms(10);
|
||||
}
|
||||
|
||||
void is31fl3745_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
|
||||
is31fl3745_led_t led;
|
||||
if (index >= 0 && index < IS31FL3745_LED_COUNT) {
|
||||
memcpy_P(&led, (&g_is31fl3745_leds[index]), sizeof(led));
|
||||
|
||||
if (g_pwm_buffer[led.driver][led.r] == red && g_pwm_buffer[led.driver][led.g] == green && g_pwm_buffer[led.driver][led.b] == blue) {
|
||||
return;
|
||||
}
|
||||
g_pwm_buffer_update_required[led.driver] = true;
|
||||
g_pwm_buffer[led.driver][led.r] = red;
|
||||
g_pwm_buffer[led.driver][led.g] = green;
|
||||
g_pwm_buffer[led.driver][led.b] = blue;
|
||||
}
|
||||
}
|
||||
|
||||
void is31fl3745_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
|
||||
for (int i = 0; i < IS31FL3745_LED_COUNT; i++) {
|
||||
is31fl3745_set_color(i, red, green, blue);
|
||||
}
|
||||
}
|
||||
|
||||
void is31fl3745_set_scaling_register(uint8_t index, uint8_t red, uint8_t green, uint8_t blue) {
|
||||
is31fl3745_led_t led;
|
||||
memcpy_P(&led, (&g_is31fl3745_leds[index]), sizeof(led));
|
||||
|
||||
g_scaling_registers[led.driver][led.r] = red;
|
||||
g_scaling_registers[led.driver][led.g] = green;
|
||||
g_scaling_registers[led.driver][led.b] = blue;
|
||||
|
||||
g_scaling_registers_update_required[led.driver] = true;
|
||||
}
|
||||
|
||||
void is31fl3745_update_pwm_buffers(uint8_t addr, uint8_t index) {
|
||||
if (g_pwm_buffer_update_required[index]) {
|
||||
is31fl3745_select_page(addr, IS31FL3745_COMMAND_PWM);
|
||||
|
||||
is31fl3745_write_pwm_buffer(addr, g_pwm_buffer[index]);
|
||||
}
|
||||
|
||||
g_pwm_buffer_update_required[index] = false;
|
||||
}
|
||||
|
||||
void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index) {
|
||||
if (g_scaling_registers_update_required[index]) {
|
||||
is31fl3745_select_page(addr, IS31FL3745_COMMAND_SCALING);
|
||||
|
||||
for (int i = 0; i < IS31FL3745_SCALING_REGISTER_COUNT; i++) {
|
||||
is31fl3745_write_register(addr, i + 1, g_scaling_registers[index][i]);
|
||||
}
|
||||
g_scaling_registers_update_required[index] = false;
|
||||
}
|
||||
}
|
||||
|
||||
void is31fl3745_flush(void) {
|
||||
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_1, 0);
|
||||
#if defined(IS31FL3745_I2C_ADDRESS_2)
|
||||
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_2, 1);
|
||||
# if defined(IS31FL3745_I2C_ADDRESS_3)
|
||||
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_3, 2);
|
||||
# if defined(IS31FL3745_I2C_ADDRESS_4)
|
||||
is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_4, 3);
|
||||
# endif
|
||||
# endif
|
||||
#endif
|
||||
}
|
||||
|
|
@ -20,103 +20,107 @@
|
|||
|
||||
#pragma once
|
||||
|
||||
// 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: 0b010(ADDR2)(ADDR1)
|
||||
#ifndef DRIVER_ADDR_1
|
||||
# define DRIVER_ADDR_1 0b0100000
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include "progmem.h"
|
||||
#include "util.h"
|
||||
|
||||
#define IS31FL3745_REG_ID 0xFC
|
||||
|
||||
#define IS31FL3745_REG_COMMAND 0xFD
|
||||
|
||||
#define IS31FL3745_COMMAND_PWM 0x00
|
||||
#define IS31FL3745_COMMAND_SCALING 0x01
|
||||
#define IS31FL3745_COMMAND_FUNCTION 0x02
|
||||
|
||||
#define IS31FL3745_FUNCTION_REG_CONFIGURATION 0x00
|
||||
#define IS31FL3745_FUNCTION_REG_GLOBAL_CURRENT 0x01
|
||||
#define IS31FL3745_FUNCTION_REG_PULLDOWNUP 0x02
|
||||
#define IS31FL3745_FUNCTION_REG_TEMPERATURE 0x24
|
||||
#define IS31FL3745_FUNCTION_REG_SPREAD_SPECTRUM 0x25
|
||||
#define IS31FL3745_FUNCTION_REG_RESET 0x2F
|
||||
|
||||
#define IS31FL3745_REG_COMMAND_WRITE_LOCK 0xFE
|
||||
#define IS31FL3745_COMMAND_WRITE_LOCK_MAGIC 0xC5
|
||||
|
||||
#define IS31FL3745_I2C_ADDRESS_GND_GND 0x20
|
||||
#define IS31FL3745_I2C_ADDRESS_GND_SCL 0x21
|
||||
#define IS31FL3745_I2C_ADDRESS_GND_SDA 0x22
|
||||
#define IS31FL3745_I2C_ADDRESS_GND_VCC 0x23
|
||||
#define IS31FL3745_I2C_ADDRESS_SCL_GND 0x24
|
||||
#define IS31FL3745_I2C_ADDRESS_SCL_SCL 0x25
|
||||
#define IS31FL3745_I2C_ADDRESS_SCL_SDA 0x26
|
||||
#define IS31FL3745_I2C_ADDRESS_SCL_VCC 0x27
|
||||
#define IS31FL3745_I2C_ADDRESS_SDA_GND 0x28
|
||||
#define IS31FL3745_I2C_ADDRESS_SDA_SCL 0x29
|
||||
#define IS31FL3745_I2C_ADDRESS_SDA_SDA 0x2A
|
||||
#define IS31FL3745_I2C_ADDRESS_SDA_VCC 0x2B
|
||||
#define IS31FL3745_I2C_ADDRESS_VCC_GND 0x2C
|
||||
#define IS31FL3745_I2C_ADDRESS_VCC_SCL 0x2D
|
||||
#define IS31FL3745_I2C_ADDRESS_VCC_SDA 0x2E
|
||||
#define IS31FL3745_I2C_ADDRESS_VCC_VCC 0x2F
|
||||
|
||||
#if defined(RGB_MATRIX_IS31FL3745)
|
||||
# define IS31FL3745_LED_COUNT RGB_MATRIX_LED_COUNT
|
||||
#endif
|
||||
|
||||
// Set defaults for Spread Spectrum Register
|
||||
#ifndef ISSI_SSR_1
|
||||
# ifndef DRIVER_ADDR_2
|
||||
# define ISSI_SSR_1 0x00
|
||||
# else
|
||||
# define ISSI_SSR_1 0xC0
|
||||
# endif
|
||||
#endif
|
||||
#ifndef ISSI_SSR_2
|
||||
# define ISSI_SSR_2 0x80
|
||||
#endif
|
||||
#ifndef ISSI_SSR_3
|
||||
# define ISSI_SSR_3 0x80
|
||||
#endif
|
||||
#ifndef ISSI_SSR_4
|
||||
# define ISSI_SSR_4 0x80
|
||||
#if defined(IS31FL3745_I2C_ADDRESS_4)
|
||||
# define IS31FL3745_DRIVER_COUNT 4
|
||||
#elif defined(IS31FL3745_I2C_ADDRESS_3)
|
||||
# define IS31FL3745_DRIVER_COUNT 3
|
||||
#elif defined(IS31FL3745_I2C_ADDRESS_2)
|
||||
# define IS31FL3745_DRIVER_COUNT 2
|
||||
#elif defined(IS31FL3745_I2C_ADDRESS_1)
|
||||
# define IS31FL3745_DRIVER_COUNT 1
|
||||
#endif
|
||||
|
||||
// Command Registers
|
||||
#define ISSI_COMMANDREGISTER_WRITELOCK 0xFE
|
||||
#define ISSI_COMMANDREGISTER 0xFD
|
||||
#define ISSI_IDREGISTER 0xFC
|
||||
#define ISSI_REGISTER_UNLOCK 0xC5
|
||||
typedef struct is31fl3745_led_t {
|
||||
uint8_t driver : 2;
|
||||
uint8_t r;
|
||||
uint8_t g;
|
||||
uint8_t b;
|
||||
} PACKED is31fl3745_led_t;
|
||||
|
||||
// Response Registers
|
||||
#define ISSI_PAGE_PWM 0x00
|
||||
#define ISSI_PAGE_SCALING 0x01
|
||||
#define ISSI_PAGE_FUNCTION 0x02
|
||||
extern const is31fl3745_led_t PROGMEM g_is31fl3745_leds[IS31FL3745_LED_COUNT];
|
||||
|
||||
// Registers under Function Register
|
||||
#define ISSI_REG_CONFIGURATION 0x00
|
||||
#define ISSI_REG_GLOBALCURRENT 0x01
|
||||
#define ISSI_REG_PULLDOWNUP 0x02
|
||||
#define ISSI_REG_TEMP 0x24
|
||||
#define ISSI_REG_SSR 0x25
|
||||
#define ISSI_REG_RESET 0x2F
|
||||
void is31fl3745_init_drivers(void);
|
||||
void is31fl3745_init(uint8_t addr, uint8_t sync);
|
||||
void is31fl3745_write_register(uint8_t addr, uint8_t reg, uint8_t data);
|
||||
void is31fl3745_select_page(uint8_t addr, uint8_t page);
|
||||
void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
|
||||
|
||||
// Set defaults for Function Registers
|
||||
#ifndef ISSI_CONFIGURATION
|
||||
# define ISSI_CONFIGURATION 0x31
|
||||
#endif
|
||||
#ifndef ISSI_GLOBALCURRENT
|
||||
# define ISSI_GLOBALCURRENT 0xFF
|
||||
#endif
|
||||
#ifndef ISSI_PULLDOWNUP
|
||||
# define ISSI_PULLDOWNUP 0x33
|
||||
#endif
|
||||
#ifndef ISSI_TEMP
|
||||
# define ISSI_TEMP 0x00
|
||||
#endif
|
||||
void is31fl3745_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
|
||||
void is31fl3745_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
|
||||
|
||||
// Set defaults for Scaling registers
|
||||
#ifndef ISSI_SCAL_RED
|
||||
# define ISSI_SCAL_RED 0xFF
|
||||
#endif
|
||||
#ifndef ISSI_SCAL_BLUE
|
||||
# define ISSI_SCAL_BLUE 0xFF
|
||||
#endif
|
||||
#ifndef ISSI_SCAL_GREEN
|
||||
# define ISSI_SCAL_GREEN 0xFF
|
||||
#endif
|
||||
#define ISSI_SCAL_RED_OFF 0x00
|
||||
#define ISSI_SCAL_GREEN_OFF 0x00
|
||||
#define ISSI_SCAL_BLUE_OFF 0x00
|
||||
void is31fl3745_set_scaling_register(uint8_t index, uint8_t red, uint8_t green, uint8_t blue);
|
||||
|
||||
#ifndef ISSI_SCAL_LED
|
||||
# define ISSI_SCAL_LED 0xFF
|
||||
#endif
|
||||
#define ISSI_SCAL_LED_OFF 0x00
|
||||
void is31fl3745_update_pwm_buffers(uint8_t addr, uint8_t index);
|
||||
void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index);
|
||||
|
||||
// Set buffer sizes
|
||||
#define ISSI_MAX_LEDS 144
|
||||
#define ISSI_SCALING_SIZE 144
|
||||
#define ISSI_PWM_TRF_SIZE 18
|
||||
#define ISSI_SCALING_TRF_SIZE 18
|
||||
void is31fl3745_flush(void);
|
||||
|
||||
// Location of 1st bit for PWM and Scaling registers
|
||||
#define ISSI_PWM_REG_1ST 0x01
|
||||
#define ISSI_SCL_REG_1ST 0x01
|
||||
#define IS31FL3745_PDR_0_OHM 0b000 // No pull-down resistor
|
||||
#define IS31FL3745_PDR_0K5_OHM_SW_OFF 0b001 // 0.5 kOhm resistor in SWx off time
|
||||
#define IS31FL3745_PDR_1K_OHM_SW_OFF 0b010 // 1 kOhm resistor in SWx off time
|
||||
#define IS31FL3745_PDR_2K_OHM_SW_OFF 0b011 // 2 kOhm resistor in SWx off time
|
||||
#define IS31FL3745_PDR_1K_OHM 0b100 // 1 kOhm resistor
|
||||
#define IS31FL3745_PDR_2K_OHM 0b101 // 2 kOhm resistor
|
||||
#define IS31FL3745_PDR_4K_OHM 0b110 // 4 kOhm resistor
|
||||
#define IS31FL3745_PDR_8K_OHM 0b111 // 8 kOhm resistor
|
||||
|
||||
#define IS31FL3745_PUR_0_OHM 0b000 // No pull-up resistor
|
||||
#define IS31FL3745_PUR_0K5_OHM_CS_OFF 0b001 // 0.5 kOhm resistor in CSy off time
|
||||
#define IS31FL3745_PUR_1K_OHM_CS_OFF 0b010 // 1 kOhm resistor in CSy off time
|
||||
#define IS31FL3745_PUR_2K_OHM_CS_OFF 0b011 // 2 kOhm resistor in CSy off time
|
||||
#define IS31FL3745_PUR_1K_OHM 0b100 // 1 kOhm resistor
|
||||
#define IS31FL3745_PUR_2K_OHM 0b101 // 2 kOhm resistor
|
||||
#define IS31FL3745_PUR_4K_OHM 0b110 // 4 kOhm resistor
|
||||
#define IS31FL3745_PUR_8K_OHM 0b111 // 8 kOhm resistor
|
||||
|
||||
#define IS31FL3745_SYNC_NONE 0b00
|
||||
#define IS31FL3745_SYNC_SLAVE 0b10
|
||||
#define IS31FL3745_SYNC_MASTER 0b11
|
||||
|
||||
// Map CS SW locations to order in PWM / Scaling buffers
|
||||
// This matches the ORDER in the Datasheet Register not the POSITION
|
||||
// It will always count from 0x00 to (ISSI_MAX_LEDS - 1)
|
||||
#define CS1_SW1 0x00
|
||||
#define CS2_SW1 0x01
|
||||
#define CS3_SW1 0x02
|
||||
|
|
|
|||
|
|
@ -26,9 +26,7 @@
|
|||
#include "util.h"
|
||||
|
||||
// Which variant header file to use
|
||||
#if defined(LED_MATRIX_IS31FL3745) || defined(RGB_MATRIX_IS31FL3745)
|
||||
# include "is31fl3745.h"
|
||||
#elif defined(LED_MATRIX_IS31FL3746A) || defined(RGB_MATRIX_IS31FL3746A)
|
||||
#if defined(LED_MATRIX_IS31FL3746A) || defined(RGB_MATRIX_IS31FL3746A)
|
||||
# include "is31fl3746.h"
|
||||
#endif
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue