LED drivers: add defines for PWM and LED control register counts (#22383)

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Ryan 2023-11-02 06:13:25 +11:00 committed by GitHub
parent 0a94c2951f
commit a27bc60703
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15 changed files with 130 additions and 91 deletions

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@ -24,6 +24,9 @@
#define IS31FL3218_REG_UPDATE 0x16 #define IS31FL3218_REG_UPDATE 0x16
#define IS31FL3218_REG_RESET 0x17 #define IS31FL3218_REG_RESET 0x17
#define IS31FL3218_PWM_REGISTER_COUNT 18
#define IS31FL3218_LED_CONTROL_REGISTER_COUNT 3
#ifndef IS31FL3218_I2C_TIMEOUT #ifndef IS31FL3218_I2C_TIMEOUT
# define IS31FL3218_I2C_TIMEOUT 100 # define IS31FL3218_I2C_TIMEOUT 100
#endif #endif
@ -36,10 +39,10 @@
uint8_t g_twi_transfer_buffer[20]; uint8_t g_twi_transfer_buffer[20];
// IS31FL3218 has 18 PWM outputs and a fixed I2C address, so no chaining. // 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; bool g_pwm_buffer_update_required = false;
uint8_t g_led_control_registers[3] = {0}; uint8_t g_led_control_registers[IS31FL3218_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required = false; bool g_led_control_registers_update_required = false;
void is31fl3218_write_register(uint8_t reg, uint8_t data) { void is31fl3218_write_register(uint8_t reg, uint8_t data) {
@ -77,12 +80,12 @@ void is31fl3218_init(void) {
is31fl3218_write_register(IS31FL3218_REG_SHUTDOWN, 0x01); is31fl3218_write_register(IS31FL3218_REG_SHUTDOWN, 0x01);
// Set all PWM values to zero // 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); is31fl3218_write_register(IS31FL3218_REG_PWM + i, 0x00);
} }
// turn off all LEDs in the LED control register // 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); is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, 0x00);
} }
@ -142,7 +145,7 @@ void is31fl3218_update_pwm_buffers(void) {
void is31fl3218_update_led_control_registers(void) { void is31fl3218_update_led_control_registers(void) {
if (g_led_control_registers_update_required) { 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]); is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, g_led_control_registers[i]);
} }

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@ -24,6 +24,9 @@
#define IS31FL3218_REG_UPDATE 0x16 #define IS31FL3218_REG_UPDATE 0x16
#define IS31FL3218_REG_RESET 0x17 #define IS31FL3218_REG_RESET 0x17
#define IS31FL3218_PWM_REGISTER_COUNT 18
#define IS31FL3218_LED_CONTROL_REGISTER_COUNT 3
#ifndef IS31FL3218_I2C_TIMEOUT #ifndef IS31FL3218_I2C_TIMEOUT
# define IS31FL3218_I2C_TIMEOUT 100 # define IS31FL3218_I2C_TIMEOUT 100
#endif #endif
@ -36,10 +39,10 @@
uint8_t g_twi_transfer_buffer[20]; uint8_t g_twi_transfer_buffer[20];
// IS31FL3218 has 18 PWM outputs and a fixed I2C address, so no chaining. // 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; bool g_pwm_buffer_update_required = false;
uint8_t g_led_control_registers[3] = {0}; uint8_t g_led_control_registers[IS31FL3218_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required = false; bool g_led_control_registers_update_required = false;
void is31fl3218_write_register(uint8_t reg, uint8_t data) { void is31fl3218_write_register(uint8_t reg, uint8_t data) {
@ -77,12 +80,12 @@ void is31fl3218_init(void) {
is31fl3218_write_register(IS31FL3218_REG_SHUTDOWN, 0x01); is31fl3218_write_register(IS31FL3218_REG_SHUTDOWN, 0x01);
// Set all PWM values to zero // 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); is31fl3218_write_register(IS31FL3218_REG_PWM + i, 0x00);
} }
// turn off all LEDs in the LED control register // 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); is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, 0x00);
} }
@ -158,7 +161,7 @@ void is31fl3218_update_pwm_buffers(void) {
void is31fl3218_update_led_control_registers(void) { void is31fl3218_update_led_control_registers(void) {
if (g_led_control_registers_update_required) { 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]); is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, g_led_control_registers[i]);
} }

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@ -42,6 +42,9 @@
#define IS31FL3731_COMMANDREGISTER 0xFD #define IS31FL3731_COMMANDREGISTER 0xFD
#define IS31FL3731_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine' #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 #ifndef IS31FL3731_I2C_TIMEOUT
# define IS31FL3731_I2C_TIMEOUT 100 # define IS31FL3731_I2C_TIMEOUT 100
#endif #endif
@ -58,10 +61,10 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these // We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3731_write_pwm_buffer() but it's // buffers and the transfers in is31fl3731_write_pwm_buffer() but it's
// probably not worth the extra complexity. // 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}; bool g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {0}; 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}; bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) { void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
@ -86,7 +89,7 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes // g_twi_transfer_buffer[] is 20 bytes
// iterate over the pwm_buffer contents at 16 byte intervals // 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. // set the first register, e.g. 0x24, 0x34, 0x44, etc.
g_twi_transfer_buffer[0] = 0x24 + i; g_twi_transfer_buffer[0] = 0x24 + i;
// copy the data from i to i+15 // copy the data from i to i+15
@ -163,7 +166,7 @@ void is31fl3731_init(uint8_t addr) {
is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0); is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);
// turn off all LEDs in the LED control register // 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); is31fl3731_write_register(addr, i, 0x00);
} }
@ -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) { void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[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]); is31fl3731_write_register(addr, i, g_led_control_registers[index][i]);
} }
g_led_control_registers_update_required[index] = false; g_led_control_registers_update_required[index] = false;

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@ -41,6 +41,9 @@
#define IS31FL3731_COMMANDREGISTER 0xFD #define IS31FL3731_COMMANDREGISTER 0xFD
#define IS31FL3731_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine' #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 #ifndef IS31FL3731_I2C_TIMEOUT
# define IS31FL3731_I2C_TIMEOUT 100 # define IS31FL3731_I2C_TIMEOUT 100
#endif #endif
@ -57,10 +60,10 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these // We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3731_write_pwm_buffer() but it's // buffers and the transfers in is31fl3731_write_pwm_buffer() but it's
// probably not worth the extra complexity. // 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}; bool g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {0}; 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}; bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) { void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
@ -83,7 +86,7 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes // g_twi_transfer_buffer[] is 20 bytes
// iterate over the pwm_buffer contents at 16 byte intervals // 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. // set the first register, e.g. 0x24, 0x34, 0x44, etc.
g_twi_transfer_buffer[0] = 0x24 + i; g_twi_transfer_buffer[0] = 0x24 + i;
// copy the data from i to i+15 // copy the data from i to i+15
@ -160,7 +163,7 @@ void is31fl3731_init(uint8_t addr) {
is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0); is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);
// turn off all LEDs in the LED control register // 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); is31fl3731_write_register(addr, i, 0x00);
} }
@ -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) { void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[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]); is31fl3731_write_register(addr, i, g_led_control_registers[index][i]);
} }
} }

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@ -39,6 +39,9 @@
#define IS31FL3733_REG_SWPULLUP 0x0F // PG3 #define IS31FL3733_REG_SWPULLUP 0x0F // PG3
#define IS31FL3733_REG_CSPULLUP 0x10 // PG3 #define IS31FL3733_REG_CSPULLUP 0x10 // PG3
#define IS31FL3733_PWM_REGISTER_COUNT 192
#define IS31FL3733_LED_CONTROL_REGISTER_COUNT 24
#ifndef IS31FL3733_I2C_TIMEOUT #ifndef IS31FL3733_I2C_TIMEOUT
# define IS31FL3733_I2C_TIMEOUT 100 # define IS31FL3733_I2C_TIMEOUT 100
#endif #endif
@ -85,10 +88,10 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these // We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3733_write_pwm_buffer() but it's // buffers and the transfers in is31fl3733_write_pwm_buffer() but it's
// probably not worth the extra complexity. // 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}; bool g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {0}; 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 g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};
bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) { bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
@ -117,7 +120,7 @@ bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes // g_twi_transfer_buffer[] is 20 bytes
// Iterate over the pwm_buffer contents at 16 byte intervals. // 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; g_twi_transfer_buffer[0] = i;
// Copy the data from i to i+15. // Copy the data from i to i+15.
// Device will auto-increment register for data after the first byte // Device will auto-increment register for data after the first byte
@ -182,7 +185,7 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
// Select PG0 // Select PG0
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL); is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
// Turn off all LEDs. // 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); is31fl3733_write_register(addr, i, 0x00);
} }
@ -193,7 +196,7 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM); is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM);
// Set PWM on all LEDs to 0 // Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default. // 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); is31fl3733_write_register(addr, i, 0x00);
} }
@ -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 // 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_WRITELOCK, 0xC5);
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL); 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]); is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);
} }
g_led_control_registers_update_required[index] = false; g_led_control_registers_update_required[index] = false;

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@ -38,6 +38,9 @@
#define IS31FL3733_REG_SWPULLUP 0x0F // PG3 #define IS31FL3733_REG_SWPULLUP 0x0F // PG3
#define IS31FL3733_REG_CSPULLUP 0x10 // PG3 #define IS31FL3733_REG_CSPULLUP 0x10 // PG3
#define IS31FL3733_PWM_REGISTER_COUNT 192
#define IS31FL3733_LED_CONTROL_REGISTER_COUNT 24
#ifndef IS31FL3733_I2C_TIMEOUT #ifndef IS31FL3733_I2C_TIMEOUT
# define IS31FL3733_I2C_TIMEOUT 100 # define IS31FL3733_I2C_TIMEOUT 100
#endif #endif
@ -84,10 +87,10 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these // We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3733_write_pwm_buffer() but it's // buffers and the transfers in is31fl3733_write_pwm_buffer() but it's
// probably not worth the extra complexity. // 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}; bool g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {0}; 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 g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};
bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) { bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
@ -116,7 +119,7 @@ bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes // g_twi_transfer_buffer[] is 20 bytes
// Iterate over the pwm_buffer contents at 16 byte intervals. // 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; g_twi_transfer_buffer[0] = i;
// Copy the data from i to i+15. // Copy the data from i to i+15.
// Device will auto-increment register for data after the first byte // Device will auto-increment register for data after the first byte
@ -181,7 +184,7 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
// Select PG0 // Select PG0
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL); is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
// Turn off all LEDs. // 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); is31fl3733_write_register(addr, i, 0x00);
} }
@ -192,7 +195,7 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM); is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM);
// Set PWM on all LEDs to 0 // Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default. // 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); is31fl3733_write_register(addr, i, 0x00);
} }
@ -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 // 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_WRITELOCK, 0xC5);
is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL); 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]); is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);
} }
g_led_control_registers_update_required[index] = false; g_led_control_registers_update_required[index] = false;

View File

@ -36,6 +36,9 @@
#define IS31FL3736_REG_SWPULLUP 0x0F // PG3 #define IS31FL3736_REG_SWPULLUP 0x0F // PG3
#define IS31FL3736_REG_CSPULLUP 0x10 // 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 #ifndef IS31FL3736_I2C_TIMEOUT
# define IS31FL3736_I2C_TIMEOUT 100 # define IS31FL3736_I2C_TIMEOUT 100
#endif #endif
@ -69,10 +72,10 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these // We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3736_write_pwm_buffer() but it's // buffers and the transfers in is31fl3736_write_pwm_buffer() but it's
// probably not worth the extra complexity. // 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}; bool g_pwm_buffer_update_required[IS31FL3736_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3736_DRIVER_COUNT][24] = {0}; 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}; bool g_led_control_registers_update_required[IS31FL3736_DRIVER_COUNT] = {false};
void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data) { void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
@ -95,7 +98,7 @@ void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes // g_twi_transfer_buffer[] is 20 bytes
// iterate over the pwm_buffer contents at 16 byte intervals // 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; g_twi_transfer_buffer[0] = i;
// copy the data from i to i+15 // copy the data from i to i+15
// device will auto-increment register for data after the first byte // device will auto-increment register for data after the first byte
@ -154,7 +157,7 @@ void is31fl3736_init(uint8_t addr) {
// Select PG0 // Select PG0
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL); is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL);
// Turn off all LEDs. // 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); is31fl3736_write_register(addr, i, 0x00);
} }
@ -165,7 +168,7 @@ void is31fl3736_init(uint8_t addr) {
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_PWM); is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_PWM);
// Set PWM on all LEDs to 0 // Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default. // 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); is31fl3736_write_register(addr, i, 0x00);
} }
@ -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 // 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_WRITELOCK, 0xC5);
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL); 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]); is31fl3736_write_register(addr, i, g_led_control_registers[index][i]);
} }
g_led_control_registers_update_required[index] = false; g_led_control_registers_update_required[index] = false;

View File

@ -36,6 +36,9 @@
#define IS31FL3736_REG_SWPULLUP 0x0F // PG3 #define IS31FL3736_REG_SWPULLUP 0x0F // PG3
#define IS31FL3736_REG_CSPULLUP 0x10 // 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 #ifndef IS31FL3736_I2C_TIMEOUT
# define IS31FL3736_I2C_TIMEOUT 100 # define IS31FL3736_I2C_TIMEOUT 100
#endif #endif
@ -69,10 +72,10 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these // We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3736_write_pwm_buffer() but it's // buffers and the transfers in is31fl3736_write_pwm_buffer() but it's
// probably not worth the extra complexity. // 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}; bool g_pwm_buffer_update_required[IS31FL3736_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3736_DRIVER_COUNT][24] = {0}; 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}; bool g_led_control_registers_update_required[IS31FL3736_DRIVER_COUNT] = {false};
void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data) { void is31fl3736_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
@ -95,7 +98,7 @@ void is31fl3736_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes // g_twi_transfer_buffer[] is 20 bytes
// iterate over the pwm_buffer contents at 16 byte intervals // 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; g_twi_transfer_buffer[0] = i;
// copy the data from i to i+15 // copy the data from i to i+15
// device will auto-increment register for data after the first byte // device will auto-increment register for data after the first byte
@ -154,7 +157,7 @@ void is31fl3736_init(uint8_t addr) {
// Select PG0 // Select PG0
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL); is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL);
// Turn off all LEDs. // 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); is31fl3736_write_register(addr, i, 0x00);
} }
@ -165,7 +168,7 @@ void is31fl3736_init(uint8_t addr) {
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_PWM); is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_PWM);
// Set PWM on all LEDs to 0 // Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default. // 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); is31fl3736_write_register(addr, i, 0x00);
} }
@ -261,7 +264,7 @@ void is31fl3736_update_led_control_registers(uint8_t addr, uint8_t index) {
// Firstly we need to unlock the command register and select PG0 // 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_WRITELOCK, 0xC5);
is31fl3736_write_register(addr, IS31FL3736_COMMANDREGISTER, IS31FL3736_PAGE_LEDCONTROL); 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]); is31fl3736_write_register(addr, i, g_led_control_registers[index][i]);
} }
g_led_control_registers_update_required[index] = false; g_led_control_registers_update_required[index] = false;

View File

@ -38,6 +38,9 @@
#define IS31FL3737_REG_SWPULLUP 0x0F // PG3 #define IS31FL3737_REG_SWPULLUP 0x0F // PG3
#define IS31FL3737_REG_CSPULLUP 0x10 // PG3 #define IS31FL3737_REG_CSPULLUP 0x10 // PG3
#define IS31FL3737_PWM_REGISTER_COUNT 192 // actually 144
#define IS31FL3737_LED_CONTROL_REGISTER_COUNT 24
#ifndef IS31FL3737_I2C_TIMEOUT #ifndef IS31FL3737_I2C_TIMEOUT
# define IS31FL3737_I2C_TIMEOUT 100 # define IS31FL3737_I2C_TIMEOUT 100
#endif #endif
@ -72,10 +75,10 @@ uint8_t g_twi_transfer_buffer[20];
// buffers and the transfers in is31fl3737_write_pwm_buffer() but it's // buffers and the transfers in is31fl3737_write_pwm_buffer() but it's
// probably not worth the extra complexity. // probably not worth the extra complexity.
uint8_t g_pwm_buffer[IS31FL3737_DRIVER_COUNT][192]; uint8_t g_pwm_buffer[IS31FL3737_DRIVER_COUNT][IS31FL3737_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3737_DRIVER_COUNT] = {false}; bool g_pwm_buffer_update_required[IS31FL3737_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3737_DRIVER_COUNT][24] = {0}; uint8_t g_led_control_registers[IS31FL3737_DRIVER_COUNT][IS31FL3737_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3737_DRIVER_COUNT] = {false}; bool g_led_control_registers_update_required[IS31FL3737_DRIVER_COUNT] = {false};
void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) { void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
@ -98,7 +101,7 @@ void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes // g_twi_transfer_buffer[] is 20 bytes
// iterate over the pwm_buffer contents at 16 byte intervals // iterate over the pwm_buffer contents at 16 byte intervals
for (int i = 0; i < 192; i += 16) { for (int i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i += 16) {
g_twi_transfer_buffer[0] = i; g_twi_transfer_buffer[0] = i;
// copy the data from i to i+15 // copy the data from i to i+15
// device will auto-increment register for data after the first byte // device will auto-increment register for data after the first byte
@ -157,7 +160,7 @@ void is31fl3737_init(uint8_t addr) {
// Select PG0 // Select PG0
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL); is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
// Turn off all LEDs. // Turn off all LEDs.
for (int i = 0x00; i <= 0x17; i++) { for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00); is31fl3737_write_register(addr, i, 0x00);
} }
@ -168,7 +171,7 @@ void is31fl3737_init(uint8_t addr) {
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM); is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM);
// Set PWM on all LEDs to 0 // Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default. // 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 < IS31FL3737_PWM_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00); is31fl3737_write_register(addr, i, 0x00);
} }
@ -241,7 +244,7 @@ void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
// Firstly we need to unlock the command register and select PG0 // Firstly we need to unlock the command register and select PG0
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5); is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL); is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
for (int i = 0; i < 24; i++) { for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, g_led_control_registers[index][i]); is31fl3737_write_register(addr, i, g_led_control_registers[index][i]);
} }
g_led_control_registers_update_required[index] = false; g_led_control_registers_update_required[index] = false;

View File

@ -38,6 +38,9 @@
#define IS31FL3737_REG_SWPULLUP 0x0F // PG3 #define IS31FL3737_REG_SWPULLUP 0x0F // PG3
#define IS31FL3737_REG_CSPULLUP 0x10 // PG3 #define IS31FL3737_REG_CSPULLUP 0x10 // PG3
#define IS31FL3737_PWM_REGISTER_COUNT 192 // actually 144
#define IS31FL3737_LED_CONTROL_REGISTER_COUNT 24
#ifndef IS31FL3737_I2C_TIMEOUT #ifndef IS31FL3737_I2C_TIMEOUT
# define IS31FL3737_I2C_TIMEOUT 100 # define IS31FL3737_I2C_TIMEOUT 100
#endif #endif
@ -72,10 +75,10 @@ uint8_t g_twi_transfer_buffer[20];
// buffers and the transfers in is31fl3737_write_pwm_buffer() but it's // buffers and the transfers in is31fl3737_write_pwm_buffer() but it's
// probably not worth the extra complexity. // probably not worth the extra complexity.
uint8_t g_pwm_buffer[IS31FL3737_DRIVER_COUNT][192]; uint8_t g_pwm_buffer[IS31FL3737_DRIVER_COUNT][IS31FL3737_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3737_DRIVER_COUNT] = {false}; bool g_pwm_buffer_update_required[IS31FL3737_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3737_DRIVER_COUNT][24] = {0}; uint8_t g_led_control_registers[IS31FL3737_DRIVER_COUNT][IS31FL3737_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[IS31FL3737_DRIVER_COUNT] = {false}; bool g_led_control_registers_update_required[IS31FL3737_DRIVER_COUNT] = {false};
void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) { void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
@ -98,7 +101,7 @@ void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes // g_twi_transfer_buffer[] is 20 bytes
// iterate over the pwm_buffer contents at 16 byte intervals // iterate over the pwm_buffer contents at 16 byte intervals
for (int i = 0; i < 192; i += 16) { for (int i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i += 16) {
g_twi_transfer_buffer[0] = i; g_twi_transfer_buffer[0] = i;
// copy the data from i to i+15 // copy the data from i to i+15
// device will auto-increment register for data after the first byte // device will auto-increment register for data after the first byte
@ -157,7 +160,7 @@ void is31fl3737_init(uint8_t addr) {
// Select PG0 // Select PG0
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL); is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
// Turn off all LEDs. // Turn off all LEDs.
for (int i = 0x00; i <= 0x17; i++) { for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00); is31fl3737_write_register(addr, i, 0x00);
} }
@ -168,7 +171,7 @@ void is31fl3737_init(uint8_t addr) {
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM); is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM);
// Set PWM on all LEDs to 0 // Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default. // 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 < IS31FL3737_PWM_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, 0x00); is31fl3737_write_register(addr, i, 0x00);
} }
@ -257,7 +260,7 @@ void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
// Firstly we need to unlock the command register and select PG0 // Firstly we need to unlock the command register and select PG0
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5); is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL); is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
for (int i = 0; i < 24; i++) { for (int i = 0; i < IS31FL3737_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3737_write_register(addr, i, g_led_control_registers[index][i]); is31fl3737_write_register(addr, i, g_led_control_registers[index][i]);
} }
g_led_control_registers_update_required[index] = false; g_led_control_registers_update_required[index] = false;

View File

@ -40,6 +40,8 @@
#define IS31FL3741_REG_PWM_FREQUENCY 0x36 // PG4 #define IS31FL3741_REG_PWM_FREQUENCY 0x36 // PG4
#define IS31FL3741_REG_RESET 0x3F // PG4 #define IS31FL3741_REG_RESET 0x3F // PG4
#define IS31FL3741_PWM_REGISTER_COUNT 351
#ifndef IS31FL3741_I2C_TIMEOUT #ifndef IS31FL3741_I2C_TIMEOUT
# define IS31FL3741_I2C_TIMEOUT 100 # define IS31FL3741_I2C_TIMEOUT 100
#endif #endif
@ -68,8 +70,6 @@
# define IS31FL3741_GLOBALCURRENT 0xFF # define IS31FL3741_GLOBALCURRENT 0xFF
#endif #endif
#define IS31FL3741_MAX_LEDS 351
// Transfer buffer for TWITransmitData() // Transfer buffer for TWITransmitData()
uint8_t g_twi_transfer_buffer[20] = {0xFF}; uint8_t g_twi_transfer_buffer[20] = {0xFF};
@ -79,11 +79,11 @@ uint8_t g_twi_transfer_buffer[20] = {0xFF};
// We could optimize this and take out the unused registers from these // We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3741_write_pwm_buffer() but it's // buffers and the transfers in is31fl3741_write_pwm_buffer() but it's
// probably not worth the extra complexity. // probably not worth the extra complexity.
uint8_t g_pwm_buffer[IS31FL3741_DRIVER_COUNT][IS31FL3741_MAX_LEDS]; uint8_t g_pwm_buffer[IS31FL3741_DRIVER_COUNT][IS31FL3741_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3741_DRIVER_COUNT] = {false}; bool g_pwm_buffer_update_required[IS31FL3741_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3741_DRIVER_COUNT] = {false}; bool g_scaling_registers_update_required[IS31FL3741_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3741_DRIVER_COUNT][IS31FL3741_MAX_LEDS]; uint8_t g_scaling_registers[IS31FL3741_DRIVER_COUNT][IS31FL3741_PWM_REGISTER_COUNT];
void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) { void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg; g_twi_transfer_buffer[0] = reg;

View File

@ -40,6 +40,8 @@
#define IS31FL3741_REG_PWM_FREQUENCY 0x36 // PG4 #define IS31FL3741_REG_PWM_FREQUENCY 0x36 // PG4
#define IS31FL3741_REG_RESET 0x3F // PG4 #define IS31FL3741_REG_RESET 0x3F // PG4
#define IS31FL3741_PWM_REGISTER_COUNT 351
#ifndef IS31FL3741_I2C_TIMEOUT #ifndef IS31FL3741_I2C_TIMEOUT
# define IS31FL3741_I2C_TIMEOUT 100 # define IS31FL3741_I2C_TIMEOUT 100
#endif #endif
@ -68,8 +70,6 @@
# define IS31FL3741_GLOBALCURRENT 0xFF # define IS31FL3741_GLOBALCURRENT 0xFF
#endif #endif
#define IS31FL3741_MAX_LEDS 351
// Transfer buffer for TWITransmitData() // Transfer buffer for TWITransmitData()
uint8_t g_twi_transfer_buffer[20] = {0xFF}; uint8_t g_twi_transfer_buffer[20] = {0xFF};
@ -79,11 +79,11 @@ uint8_t g_twi_transfer_buffer[20] = {0xFF};
// We could optimize this and take out the unused registers from these // We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3741_write_pwm_buffer() but it's // buffers and the transfers in is31fl3741_write_pwm_buffer() but it's
// probably not worth the extra complexity. // probably not worth the extra complexity.
uint8_t g_pwm_buffer[IS31FL3741_DRIVER_COUNT][IS31FL3741_MAX_LEDS]; uint8_t g_pwm_buffer[IS31FL3741_DRIVER_COUNT][IS31FL3741_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3741_DRIVER_COUNT] = {false}; bool g_pwm_buffer_update_required[IS31FL3741_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3741_DRIVER_COUNT] = {false}; bool g_scaling_registers_update_required[IS31FL3741_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3741_DRIVER_COUNT][IS31FL3741_MAX_LEDS]; uint8_t g_scaling_registers[IS31FL3741_DRIVER_COUNT][IS31FL3741_PWM_REGISTER_COUNT];
void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) { void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg; g_twi_transfer_buffer[0] = reg;

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@ -17,6 +17,9 @@
#include "snled27351-simple.h" #include "snled27351-simple.h"
#include "i2c_master.h" #include "i2c_master.h"
#define SNLED27351_PWM_REGISTER_COUNT 192
#define SNLED27351_LED_CONTROL_REGISTER_COUNT 24
#ifndef SNLED27351_I2C_TIMEOUT #ifndef SNLED27351_I2C_TIMEOUT
# define SNLED27351_I2C_TIMEOUT 100 # define SNLED27351_I2C_TIMEOUT 100
#endif #endif
@ -43,10 +46,10 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these // We could optimize this and take out the unused registers from these
// buffers and the transfers in snled27351_write_pwm_buffer() but it's // buffers and the transfers in snled27351_write_pwm_buffer() but it's
// probably not worth the extra complexity. // probably not worth the extra complexity.
uint8_t g_pwm_buffer[SNLED27351_DRIVER_COUNT][192]; uint8_t g_pwm_buffer[SNLED27351_DRIVER_COUNT][SNLED27351_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[SNLED27351_DRIVER_COUNT] = {false}; bool g_pwm_buffer_update_required[SNLED27351_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[SNLED27351_DRIVER_COUNT][24] = {0}; uint8_t g_led_control_registers[SNLED27351_DRIVER_COUNT][SNLED27351_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[SNLED27351_DRIVER_COUNT] = {false}; bool g_led_control_registers_update_required[SNLED27351_DRIVER_COUNT] = {false};
bool snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data) { bool snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
@ -75,7 +78,7 @@ bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// g_twi_transfer_buffer[] is 20 bytes // g_twi_transfer_buffer[] is 20 bytes
// Iterate over the pwm_buffer contents at 16 byte intervals. // Iterate over the pwm_buffer contents at 16 byte intervals.
for (int i = 0; i < 192; i += 16) { for (int i = 0; i < SNLED27351_PWM_REGISTER_COUNT; i += 16) {
g_twi_transfer_buffer[0] = i; g_twi_transfer_buffer[0] = i;
// Copy the data from i to i+15. // Copy the data from i to i+15.
// Device will auto-increment register for data after the first byte // Device will auto-increment register for data after the first byte
@ -224,7 +227,7 @@ void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) { void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) { if (g_led_control_registers_update_required[index]) {
snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_CONTROL_PAGE); snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_CONTROL_PAGE);
for (int i = 0; i < 24; i++) { for (int i = 0; i < SNLED27351_LED_CONTROL_REGISTER_COUNT; i++) {
snled27351_write_register(addr, i, g_led_control_registers[index][i]); snled27351_write_register(addr, i, g_led_control_registers[index][i]);
} }
} }

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@ -17,6 +17,9 @@
#include "snled27351.h" #include "snled27351.h"
#include "i2c_master.h" #include "i2c_master.h"
#define SNLED27351_PWM_REGISTER_COUNT 192
#define SNLED27351_LED_CONTROL_REGISTER_COUNT 24
#ifndef SNLED27351_I2C_TIMEOUT #ifndef SNLED27351_I2C_TIMEOUT
# define SNLED27351_I2C_TIMEOUT 100 # define SNLED27351_I2C_TIMEOUT 100
#endif #endif
@ -43,10 +46,10 @@ uint8_t g_twi_transfer_buffer[65];
// We could optimize this and take out the unused registers from these // We could optimize this and take out the unused registers from these
// buffers and the transfers in snled27351_write_pwm_buffer() but it's // buffers and the transfers in snled27351_write_pwm_buffer() but it's
// probably not worth the extra complexity. // probably not worth the extra complexity.
uint8_t g_pwm_buffer[SNLED27351_DRIVER_COUNT][192]; uint8_t g_pwm_buffer[SNLED27351_DRIVER_COUNT][SNLED27351_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[SNLED27351_DRIVER_COUNT] = {false}; bool g_pwm_buffer_update_required[SNLED27351_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[SNLED27351_DRIVER_COUNT][24] = {0}; uint8_t g_led_control_registers[SNLED27351_DRIVER_COUNT][SNLED27351_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required[SNLED27351_DRIVER_COUNT] = {false}; bool g_led_control_registers_update_required[SNLED27351_DRIVER_COUNT] = {false};
bool snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data) { bool snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
@ -74,7 +77,7 @@ bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// Transmit PWM registers in 3 transfers of 64 bytes. // Transmit PWM registers in 3 transfers of 64 bytes.
// Iterate over the pwm_buffer contents at 64 byte intervals. // Iterate over the pwm_buffer contents at 64 byte intervals.
for (uint8_t i = 0; i < 192; i += 64) { for (uint8_t i = 0; i < SNLED27351_PWM_REGISTER_COUNT; i += 64) {
g_twi_transfer_buffer[0] = i; g_twi_transfer_buffer[0] = i;
// Copy the data from i to i+63. // Copy the data from i to i+63.
// Device will auto-increment register for data after the first byte // Device will auto-increment register for data after the first byte
@ -239,7 +242,7 @@ void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) { void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_led_control_registers_update_required[index]) { if (g_led_control_registers_update_required[index]) {
snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_CONTROL_PAGE); snled27351_write_register(addr, SNLED27351_REG_CONFIGURE_CMD_PAGE, SNLED27351_LED_CONTROL_PAGE);
for (int i = 0; i < 24; i++) { for (int i = 0; i < SNLED27351_LED_CONTROL_REGISTER_COUNT; i++) {
snled27351_write_register(addr, i, g_led_control_registers[index][i]); snled27351_write_register(addr, i, g_led_control_registers[index][i]);
} }
} }

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@ -36,6 +36,9 @@
#define IS31FL3733_REG_SWPULLUP 0x0F // PG3 #define IS31FL3733_REG_SWPULLUP 0x0F // PG3
#define IS31FL3733_REG_CSPULLUP 0x10 // PG3 #define IS31FL3733_REG_CSPULLUP 0x10 // PG3
#define IS31FL3733_PWM_REGISTER_COUNT 192
#define IS31FL3733_LED_CONTROL_REGISTER_COUNT 24
#ifndef IS31FL3733_I2C_TIMEOUT #ifndef IS31FL3733_I2C_TIMEOUT
# define IS31FL3733_I2C_TIMEOUT 100 # define IS31FL3733_I2C_TIMEOUT 100
#endif #endif
@ -82,10 +85,10 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these // We could optimize this and take out the unused registers from these
// buffers and the transfers in is31fl3733_write_pwm_buffer() but it's // buffers and the transfers in is31fl3733_write_pwm_buffer() but it's
// probably not worth the extra complexity. // 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}; bool g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};
uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {{0}, {0}}; 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 g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};
bool is31fl3733_write_register(uint8_t index, uint8_t addr, uint8_t reg, uint8_t data) { bool is31fl3733_write_register(uint8_t index, uint8_t addr, uint8_t reg, uint8_t data) {
@ -114,7 +117,7 @@ bool is31fl3733_write_pwm_buffer(uint8_t index, uint8_t addr, uint8_t *pwm_buffe
// g_twi_transfer_buffer[] is 20 bytes // g_twi_transfer_buffer[] is 20 bytes
// Iterate over the pwm_buffer contents at 16 byte intervals. // 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; g_twi_transfer_buffer[0] = i;
// Copy the data from i to i+15. // Copy the data from i to i+15.
// Device will auto-increment register for data after the first byte // Device will auto-increment register for data after the first byte
@ -169,7 +172,7 @@ void is31fl3733_init(uint8_t bus, uint8_t addr, uint8_t sync) {
// Select PG0 // Select PG0
is31fl3733_write_register(bus, addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL); is31fl3733_write_register(bus, addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
// Turn off all LEDs. // 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(bus, addr, i, 0x00); is31fl3733_write_register(bus, addr, i, 0x00);
} }
@ -180,7 +183,7 @@ void is31fl3733_init(uint8_t bus, uint8_t addr, uint8_t sync) {
is31fl3733_write_register(bus, addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM); is31fl3733_write_register(bus, addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM);
// Set PWM on all LEDs to 0 // Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default. // 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(bus, addr, i, 0x00); is31fl3733_write_register(bus, addr, i, 0x00);
} }
@ -273,7 +276,7 @@ void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
// Firstly we need to unlock the command register and select PG0 // Firstly we need to unlock the command register and select PG0
is31fl3733_write_register(index, addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5); is31fl3733_write_register(index, addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3733_write_register(index, addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL); is31fl3733_write_register(index, 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(index, addr, i, g_led_control_registers[index][i]); is31fl3733_write_register(index, addr, i, g_led_control_registers[index][i]);
} }
} }