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is31fl3736: extract single-color API (#22133)

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Ryan 2023-09-27 10:18:07 +10:00 • committed by GitHub
parent 5da3604ec3
commit 32de27bb20
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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 654 additions and 95 deletions
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60
drivers/led/issi/is31fl3736.c
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@ -72,8 +72,8 @@ uint8_t g_twi_transfer_buffer[20];
uint8_t g_pwm_buffer[IS31FL3736_DRIVER_COUNT][192];
bool g_pwm_buffer_update_required[IS31FL3736_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3736_DRIVER_COUNT][24] = {{0}, {0}};
bool g_led_control_registers_update_required = false;
uint8_t g_led_control_registers[IS31FL3736_DRIVER_COUNT][24] = {0};
bool g_led_control_registers_update_required[IS31FL3736_DRIVER_COUNT] = {false};
void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg;
@ -182,18 +182,11 @@ void is31fl3736_set_led_control_register(uint8_t index, bool red, bool green, bo
is31_led led;
memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
// 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;
@ -219,41 +212,7 @@ void is31fl3736_set_led_control_register(uint8_t index, bool red, bool green, bo
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[0] = 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;
g_led_control_registers_update_required[led.driver] = true;
}
void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
@ -267,15 +226,14 @@ void is31fl3736_update_pwm_buffers(uint8_t addr, uint8_t index) {
}
}
void is31fl3736_update_led_control_registers(uint8_t addr1, uint8_t addr2) {
if (g_led_control_registers_update_required) {
void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) {
// Firstly we need to unlock the command register and select PG0
is31fl3736_write_register(addr1, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3736_write_register(addr1, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL);
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_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]);
is31fl3736_write_register(addr, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required = false;
g_led_control_registers_update_required[index] = false;
}
}