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path: root/drivers/issi/is31fl3733.c
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Diffstat (limited to 'drivers/issi/is31fl3733.c')
-rw-r--r--drivers/issi/is31fl3733.c177
1 files changed, 80 insertions, 97 deletions
diff --git a/drivers/issi/is31fl3733.c b/drivers/issi/is31fl3733.c
index aa247f4e8a..968f072de8 100644
--- a/drivers/issi/is31fl3733.c
+++ b/drivers/issi/is31fl3733.c
@@ -17,11 +17,11 @@
*/
#ifdef __AVR__
-#include <avr/interrupt.h>
-#include <avr/io.h>
-#include <util/delay.h>
+# include <avr/interrupt.h>
+# include <avr/io.h>
+# include <util/delay.h>
#else
-#include "wait.h"
+# include "wait.h"
#endif
#include "is31fl3733.h"
@@ -46,23 +46,23 @@
#define ISSI_INTERRUPTMASKREGISTER 0xF0
#define ISSI_INTERRUPTSTATUSREGISTER 0xF1
-#define ISSI_PAGE_LEDCONTROL 0x00 //PG0
-#define ISSI_PAGE_PWM 0x01 //PG1
-#define ISSI_PAGE_AUTOBREATH 0x02 //PG2
-#define ISSI_PAGE_FUNCTION 0x03 //PG3
+#define ISSI_PAGE_LEDCONTROL 0x00 // PG0
+#define ISSI_PAGE_PWM 0x01 // PG1
+#define ISSI_PAGE_AUTOBREATH 0x02 // PG2
+#define ISSI_PAGE_FUNCTION 0x03 // PG3
-#define ISSI_REG_CONFIGURATION 0x00 //PG3
-#define ISSI_REG_GLOBALCURRENT 0x01 //PG3
-#define ISSI_REG_RESET 0x11// PG3
-#define ISSI_REG_SWPULLUP 0x0F //PG3
-#define ISSI_REG_CSPULLUP 0x10 //PG3
+#define ISSI_REG_CONFIGURATION 0x00 // PG3
+#define ISSI_REG_GLOBALCURRENT 0x01 // PG3
+#define ISSI_REG_RESET 0x11 // PG3
+#define ISSI_REG_SWPULLUP 0x0F // PG3
+#define ISSI_REG_CSPULLUP 0x10 // PG3
#ifndef ISSI_TIMEOUT
- #define ISSI_TIMEOUT 100
+# define ISSI_TIMEOUT 100
#endif
#ifndef ISSI_PERSISTENCE
- #define ISSI_PERSISTENCE 0
+# define ISSI_PERSISTENCE 0
#endif
// Transfer buffer for TWITransmitData()
@@ -75,56 +75,51 @@ uint8_t g_twi_transfer_buffer[20];
// buffers and the transfers in IS31FL3733_write_pwm_buffer() but it's
// probably not worth the extra complexity.
uint8_t g_pwm_buffer[DRIVER_COUNT][192];
-bool g_pwm_buffer_update_required[DRIVER_COUNT] = { false };
+bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false};
-uint8_t g_led_control_registers[DRIVER_COUNT][24] = { { 0 }, { 0 } };
-bool g_led_control_registers_update_required[DRIVER_COUNT] = { false };
+uint8_t g_led_control_registers[DRIVER_COUNT][24] = {{0}, {0}};
+bool g_led_control_registers_update_required[DRIVER_COUNT] = {false};
-void IS31FL3733_write_register( uint8_t addr, uint8_t reg, uint8_t data )
-{
+void IS31FL3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg;
g_twi_transfer_buffer[1] = data;
- #if ISSI_PERSISTENCE > 0
+#if ISSI_PERSISTENCE > 0
for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) {
- if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT) == 0)
- break;
+ if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT) == 0) break;
}
- #else
+#else
i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT);
- #endif
+#endif
}
-void IS31FL3733_write_pwm_buffer( uint8_t addr, uint8_t *pwm_buffer )
-{
+void IS31FL3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// assumes PG1 is already selected
// transmit PWM registers in 12 transfers of 16 bytes
// g_twi_transfer_buffer[] is 20 bytes
// iterate over the pwm_buffer contents at 16 byte intervals
- for ( int i = 0; i < 192; i += 16 ) {
+ for (int i = 0; i < 192; i += 16) {
g_twi_transfer_buffer[0] = i;
// copy the data from i to i+15
// device will auto-increment register for data after the first byte
// thus this sets registers 0x00-0x0F, 0x10-0x1F, etc. in one transfer
- for ( int j = 0; j < 16; j++ ) {
+ for (int j = 0; j < 16; j++) {
g_twi_transfer_buffer[1 + j] = pwm_buffer[i + j];
}
- #if ISSI_PERSISTENCE > 0
- for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) {
- if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT) == 0)
- break;
- }
- #else
- i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT);
- #endif
+#if ISSI_PERSISTENCE > 0
+ for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) {
+ if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT) == 0) break;
+ }
+#else
+ i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT);
+#endif
}
}
-void IS31FL3733_init( uint8_t addr, uint8_t sync)
-{
+void IS31FL3733_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,
@@ -132,120 +127,108 @@ void IS31FL3733_init( uint8_t addr, uint8_t sync)
// Sync is passed so set it according to the datasheet.
// Unlock the command register.
- IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 );
+ IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
// Select PG0
- IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL );
+ IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL);
// Turn off all LEDs.
- for ( int i = 0x00; i <= 0x17; i++ )
- {
- IS31FL3733_write_register( addr, i, 0x00 );
+ for (int i = 0x00; i <= 0x17; i++) {
+ IS31FL3733_write_register(addr, i, 0x00);
}
// Unlock the command register.
- IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 );
+ IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
// Select PG1
- IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM );
+ IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
- for ( int i = 0x00; i <= 0xBF; i++ )
- {
- IS31FL3733_write_register( addr, i, 0x00 );
+ for (int i = 0x00; i <= 0xBF; i++) {
+ IS31FL3733_write_register(addr, i, 0x00);
}
// Unlock the command register.
- IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 );
+ IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
// Select PG3
- IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION );
+ IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
// Set global current to maximum.
- IS31FL3733_write_register( addr, ISSI_REG_GLOBALCURRENT, 0xFF );
+ IS31FL3733_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF);
// Disable software shutdown.
- IS31FL3733_write_register( addr, ISSI_REG_CONFIGURATION, (sync << 6) | 0x01 );
+ IS31FL3733_write_register(addr, ISSI_REG_CONFIGURATION, (sync << 6) | 0x01);
- // Wait 10ms to ensure the device has woken up.
- #ifdef __AVR__
- _delay_ms( 10 );
- #else
+// Wait 10ms to ensure the device has woken up.
+#ifdef __AVR__
+ _delay_ms(10);
+#else
wait_ms(10);
- #endif
+#endif
}
-void IS31FL3733_set_color( int index, uint8_t red, uint8_t green, uint8_t blue )
-{
- if ( index >= 0 && index < DRIVER_LED_TOTAL ) {
+void IS31FL3733_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
+ if (index >= 0 && index < DRIVER_LED_TOTAL) {
is31_led led = g_is31_leds[index];
- g_pwm_buffer[led.driver][led.r] = red;
- g_pwm_buffer[led.driver][led.g] = green;
- g_pwm_buffer[led.driver][led.b] = blue;
+ g_pwm_buffer[led.driver][led.r] = red;
+ g_pwm_buffer[led.driver][led.g] = green;
+ g_pwm_buffer[led.driver][led.b] = blue;
g_pwm_buffer_update_required[led.driver] = true;
}
}
-void IS31FL3733_set_color_all( uint8_t red, uint8_t green, uint8_t blue )
-{
- for ( int i = 0; i < DRIVER_LED_TOTAL; i++ )
- {
- IS31FL3733_set_color( i, red, green, blue );
+void IS31FL3733_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
+ for (int i = 0; i < DRIVER_LED_TOTAL; i++) {
+ IS31FL3733_set_color(i, red, green, blue);
}
}
-void IS31FL3733_set_led_control_register( uint8_t index, bool red, bool green, bool blue )
-{
+void IS31FL3733_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
is31_led led = g_is31_leds[index];
- uint8_t control_register_r = led.r / 8;
- uint8_t control_register_g = led.g / 8;
- uint8_t control_register_b = led.b / 8;
- uint8_t bit_r = led.r % 8;
- uint8_t bit_g = led.g % 8;
- uint8_t bit_b = led.b % 8;
+ uint8_t control_register_r = led.r / 8;
+ uint8_t control_register_g = led.g / 8;
+ uint8_t control_register_b = led.b / 8;
+ uint8_t bit_r = led.r % 8;
+ uint8_t bit_g = led.g % 8;
+ uint8_t bit_b = led.b % 8;
- if ( red ) {
+ if (red) {
g_led_control_registers[led.driver][control_register_r] |= (1 << bit_r);
} else {
g_led_control_registers[led.driver][control_register_r] &= ~(1 << bit_r);
}
- if ( green ) {
+ if (green) {
g_led_control_registers[led.driver][control_register_g] |= (1 << bit_g);
} else {
g_led_control_registers[led.driver][control_register_g] &= ~(1 << bit_g);
}
- if ( blue ) {
+ if (blue) {
g_led_control_registers[led.driver][control_register_b] |= (1 << bit_b);
} else {
g_led_control_registers[led.driver][control_register_b] &= ~(1 << bit_b);
}
g_led_control_registers_update_required[led.driver] = true;
-
}
-void IS31FL3733_update_pwm_buffers( uint8_t addr, uint8_t index )
-{
- if ( g_pwm_buffer_update_required[index] )
- {
+void IS31FL3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
+ if (g_pwm_buffer_update_required[index]) {
// Firstly we need to unlock the command register and select PG1
- IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 );
- IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM );
+ IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+ IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM);
- IS31FL3733_write_pwm_buffer( addr, g_pwm_buffer[index] );
+ IS31FL3733_write_pwm_buffer(addr, g_pwm_buffer[index]);
}
g_pwm_buffer_update_required[index] = false;
}
-void IS31FL3733_update_led_control_registers( uint8_t addr, uint8_t index )
-{
- if ( g_led_control_registers_update_required[index] )
- {
+void IS31FL3733_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
- IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 );
- IS31FL3733_write_register( addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL );
- for ( int i=0; i<24; i++ )
- {
- IS31FL3733_write_register(addr, i, g_led_control_registers[index][i] );
+ IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+ IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL);
+ for (int i = 0; i < 24; i++) {
+ IS31FL3733_write_register(addr, i, g_led_control_registers[index][i]);
}
}
g_led_control_registers_update_required[index] = false;
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 20:03:33 +0000