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LED drivers: add defines for PWM and LED control register counts (#22383
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@fauxpark
fauxpark authored Nov 1, 2023
1 parent 0a94c29 commit a27bc60
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Showing 15 changed files with 130 additions and 91 deletions.
15 changes: 9 additions & 6 deletions drivers/led/issi/is31fl3218-simple.c
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@
#define IS31FL3218_REG_UPDATE 0x16
#define IS31FL3218_REG_RESET 0x17

#define IS31FL3218_PWM_REGISTER_COUNT 18
#define IS31FL3218_LED_CONTROL_REGISTER_COUNT 3

#ifndef IS31FL3218_I2C_TIMEOUT
# define IS31FL3218_I2C_TIMEOUT 100
#endif
Expand All @@ -36,11 +39,11 @@
uint8_t g_twi_transfer_buffer[20];

// IS31FL3218 has 18 PWM outputs and a fixed I2C address, so no chaining.
uint8_t g_pwm_buffer[18];
uint8_t g_pwm_buffer[IS31FL3218_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required = false;

uint8_t g_led_control_registers[3] = {0};
bool g_led_control_registers_update_required = false;
uint8_t g_led_control_registers[IS31FL3218_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required = false;

void is31fl3218_write_register(uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg;
Expand Down Expand Up @@ -77,12 +80,12 @@ void is31fl3218_init(void) {
is31fl3218_write_register(IS31FL3218_REG_SHUTDOWN, 0x01);

// Set all PWM values to zero
for (uint8_t i = 0; i < 18; i++) {
for (uint8_t i = 0; i < IS31FL3218_PWM_REGISTER_COUNT; i++) {
is31fl3218_write_register(IS31FL3218_REG_PWM + i, 0x00);
}

// turn off all LEDs in the LED control register
for (uint8_t i = 0; i < 3; i++) {
for (uint8_t i = 0; i < IS31FL3218_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, 0x00);
}

Expand Down Expand Up @@ -142,7 +145,7 @@ void is31fl3218_update_pwm_buffers(void) {

void is31fl3218_update_led_control_registers(void) {
if (g_led_control_registers_update_required) {
for (int i = 0; i < 3; i++) {
for (int i = 0; i < IS31FL3218_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, g_led_control_registers[i]);
}

Expand Down
15 changes: 9 additions & 6 deletions drivers/led/issi/is31fl3218.c
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@
#define IS31FL3218_REG_UPDATE 0x16
#define IS31FL3218_REG_RESET 0x17

#define IS31FL3218_PWM_REGISTER_COUNT 18
#define IS31FL3218_LED_CONTROL_REGISTER_COUNT 3

#ifndef IS31FL3218_I2C_TIMEOUT
# define IS31FL3218_I2C_TIMEOUT 100
#endif
Expand All @@ -36,11 +39,11 @@
uint8_t g_twi_transfer_buffer[20];

// IS31FL3218 has 18 PWM outputs and a fixed I2C address, so no chaining.
uint8_t g_pwm_buffer[18];
uint8_t g_pwm_buffer[IS31FL3218_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required = false;

uint8_t g_led_control_registers[3] = {0};
bool g_led_control_registers_update_required = false;
uint8_t g_led_control_registers[IS31FL3218_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required = false;

void is31fl3218_write_register(uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg;
Expand Down Expand Up @@ -77,12 +80,12 @@ void is31fl3218_init(void) {
is31fl3218_write_register(IS31FL3218_REG_SHUTDOWN, 0x01);

// Set all PWM values to zero
for (uint8_t i = 0; i < 18; i++) {
for (uint8_t i = 0; i < IS31FL3218_PWM_REGISTER_COUNT; i++) {
is31fl3218_write_register(IS31FL3218_REG_PWM + i, 0x00);
}

// turn off all LEDs in the LED control register
for (uint8_t i = 0; i < 3; i++) {
for (uint8_t i = 0; i < IS31FL3218_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, 0x00);
}

Expand Down Expand Up @@ -158,7 +161,7 @@ void is31fl3218_update_pwm_buffers(void) {

void is31fl3218_update_led_control_registers(void) {
if (g_led_control_registers_update_required) {
for (int i = 0; i < 3; i++) {
for (int i = 0; i < IS31FL3218_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, g_led_control_registers[i]);
}

Expand Down
15 changes: 9 additions & 6 deletions drivers/led/issi/is31fl3731-simple.c
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,9 @@
#define IS31FL3731_COMMANDREGISTER 0xFD
#define IS31FL3731_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'

#define IS31FL3731_PWM_REGISTER_COUNT 144
#define IS31FL3731_LED_CONTROL_REGISTER_COUNT 18

#ifndef IS31FL3731_I2C_TIMEOUT
# define IS31FL3731_I2C_TIMEOUT 100
#endif
Expand All @@ -58,11 +61,11 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3731_write_pwm_buffer() but it's
// probably not worth the extra complexity.
uint8_t g_pwm_buffer[IS31FL3731_DRIVER_COUNT][144];
uint8_t g_pwm_buffer[IS31FL3731_DRIVER_COUNT][IS31FL3731_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false};

uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {0};
bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][IS31FL3731_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};

void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg;
Expand All @@ -86,7 +89,7 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes

// iterate over the pwm_buffer contents at 16 byte intervals
for (int i = 0; i < 144; i += 16) {
for (int i = 0; i < IS31FL3731_PWM_REGISTER_COUNT; i += 16) {
// set the first register, e.g. 0x24, 0x34, 0x44, etc.
g_twi_transfer_buffer[0] = 0x24 + i;
// copy the data from i to i+15
Expand Down Expand Up @@ -163,7 +166,7 @@ void is31fl3731_init(uint8_t addr) {
is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);

// turn off all LEDs in the LED control register
for (int i = 0x00; i <= 0x11; i++) {
for (int i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, i, 0x00);
}

Expand Down Expand Up @@ -235,7 +238,7 @@ void is31fl3731_update_pwm_buffers(uint8_t addr, uint8_t index) {

void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) {
for (int i = 0; i < 18; i++) {
for (int i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
Expand Down
15 changes: 9 additions & 6 deletions drivers/led/issi/is31fl3731.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,9 @@
#define IS31FL3731_COMMANDREGISTER 0xFD
#define IS31FL3731_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'

#define IS31FL3731_PWM_REGISTER_COUNT 144
#define IS31FL3731_LED_CONTROL_REGISTER_COUNT 18

#ifndef IS31FL3731_I2C_TIMEOUT
# define IS31FL3731_I2C_TIMEOUT 100
#endif
Expand All @@ -57,11 +60,11 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3731_write_pwm_buffer() but it's
// probably not worth the extra complexity.
uint8_t g_pwm_buffer[IS31FL3731_DRIVER_COUNT][144];
uint8_t g_pwm_buffer[IS31FL3731_DRIVER_COUNT][IS31FL3731_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false};

uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {0};
bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][IS31FL3731_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};

void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg;
Expand All @@ -83,7 +86,7 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes

// iterate over the pwm_buffer contents at 16 byte intervals
for (int i = 0; i < 144; i += 16) {
for (int i = 0; i < IS31FL3731_PWM_REGISTER_COUNT; i += 16) {
// set the first register, e.g. 0x24, 0x34, 0x44, etc.
g_twi_transfer_buffer[0] = 0x24 + i;
// copy the data from i to i+15
Expand Down Expand Up @@ -160,7 +163,7 @@ void is31fl3731_init(uint8_t addr) {
is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);

// turn off all LEDs in the LED control register
for (int i = 0x00; i <= 0x11; i++) {
for (int i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, i, 0x00);
}

Expand Down Expand Up @@ -247,7 +250,7 @@ void is31fl3731_update_pwm_buffers(uint8_t addr, uint8_t index) {

void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) {
for (int i = 0; i < 18; i++) {
for (int i = 0; i < IS31FL3731_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3731_write_register(addr, i, g_led_control_registers[index][i]);
}
}
Expand Down
17 changes: 10 additions & 7 deletions drivers/led/issi/is31fl3733-simple.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,9 @@
#define IS31FL3733_REG_SWPULLUP 0x0F // PG3
#define IS31FL3733_REG_CSPULLUP 0x10 // PG3

#define IS31FL3733_PWM_REGISTER_COUNT 192
#define IS31FL3733_LED_CONTROL_REGISTER_COUNT 24

#ifndef IS31FL3733_I2C_TIMEOUT
# define IS31FL3733_I2C_TIMEOUT 100
#endif
Expand Down Expand Up @@ -85,11 +88,11 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3733_write_pwm_buffer() but it's
// probably not worth the extra complexity.
uint8_t g_pwm_buffer[IS31FL3733_DRIVER_COUNT][192];
uint8_t g_pwm_buffer[IS31FL3733_DRIVER_COUNT][IS31FL3733_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};

uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {0};
bool g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][IS31FL3733_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};

bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
// If the transaction fails function returns false.
Expand Down Expand Up @@ -117,7 +120,7 @@ bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// 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) {
for (int i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; 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
Expand Down Expand Up @@ -182,7 +185,7 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
// Select PG0
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
// Turn off all LEDs.
for (int i = 0x00; i <= 0x17; i++) {
for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
}

Expand All @@ -193,7 +196,7 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_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++) {
for (int i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
}

Expand Down Expand Up @@ -270,7 +273,7 @@ void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
// Firstly we need to unlock the command register and select PG0
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
for (int i = 0; i < 24; i++) {
for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
Expand Down
17 changes: 10 additions & 7 deletions drivers/led/issi/is31fl3733.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,9 @@
#define IS31FL3733_REG_SWPULLUP 0x0F // PG3
#define IS31FL3733_REG_CSPULLUP 0x10 // PG3

#define IS31FL3733_PWM_REGISTER_COUNT 192
#define IS31FL3733_LED_CONTROL_REGISTER_COUNT 24

#ifndef IS31FL3733_I2C_TIMEOUT
# define IS31FL3733_I2C_TIMEOUT 100
#endif
Expand Down Expand Up @@ -84,11 +87,11 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3733_write_pwm_buffer() but it's
// probably not worth the extra complexity.
uint8_t g_pwm_buffer[IS31FL3733_DRIVER_COUNT][192];
uint8_t g_pwm_buffer[IS31FL3733_DRIVER_COUNT][IS31FL3733_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};

uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {0};
bool g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][IS31FL3733_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};

bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
// If the transaction fails function returns false.
Expand Down Expand Up @@ -116,7 +119,7 @@ bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// 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) {
for (int i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; 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
Expand Down Expand Up @@ -181,7 +184,7 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
// Select PG0
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
// Turn off all LEDs.
for (int i = 0x00; i <= 0x17; i++) {
for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
}

Expand All @@ -192,7 +195,7 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_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++) {
for (int i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, 0x00);
}

Expand Down Expand Up @@ -285,7 +288,7 @@ void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
// Firstly we need to unlock the command register and select PG0
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
for (int i = 0; i < 24; i++) {
for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
Expand Down
17 changes: 10 additions & 7 deletions drivers/led/issi/is31fl3736-simple.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,9 @@
#define IS31FL3736_REG_SWPULLUP 0x0F // PG3
#define IS31FL3736_REG_CSPULLUP 0x10 // PG3

#define IS31FL3736_PWM_REGISTER_COUNT 192 // actually 96
#define IS31FL3736_LED_CONTROL_REGISTER_COUNT 24

#ifndef IS31FL3736_I2C_TIMEOUT
# define IS31FL3736_I2C_TIMEOUT 100
#endif
Expand Down Expand Up @@ -69,11 +72,11 @@ uint8_t g_twi_transfer_buffer[20];
// 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[IS31FL3736_DRIVER_COUNT][192];
uint8_t g_pwm_buffer[IS31FL3736_DRIVER_COUNT][IS31FL3736_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3736_DRIVER_COUNT] = {false};

uint8_t g_led_control_registers[IS31FL3736_DRIVER_COUNT][24] = {0};
bool g_led_control_registers_update_required[IS31FL3736_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3736_DRIVER_COUNT][IS31FL3736_LED_CONTROL_REGISTER_COUNT] = {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;
Expand All @@ -95,7 +98,7 @@ void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// 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) {
for (int i = 0; i < IS31FL3736_PWM_REGISTER_COUNT; 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
Expand Down Expand Up @@ -154,7 +157,7 @@ void is31fl3736_init(uint8_t addr) {
// Select PG0
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL);
// Turn off all LEDs.
for (int i = 0x00; i <= 0x17; i++) {
for (int i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, 0x00);
}

Expand All @@ -165,7 +168,7 @@ void is31fl3736_init(uint8_t addr) {
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_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++) {
for (int i = 0; i < IS31FL3736_PWM_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, 0x00);
}

Expand Down Expand Up @@ -244,7 +247,7 @@ void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index) {
// Firstly we need to unlock the command register and select PG0
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL);
for (int i = 0; i < 24; i++) {
for (int i = 0; i < IS31FL3736_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3736_write_register(addr, i, g_led_control_registers[index][i]);
}
g_led_control_registers_update_required[index] = false;
Expand Down
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