summaryrefslogtreecommitdiff
path: root/drivers/issi/is31fl3731.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/issi/is31fl3731.c')
-rw-r--r--drivers/issi/is31fl3731.c174
1 files changed, 76 insertions, 98 deletions
diff --git a/drivers/issi/is31fl3731.c b/drivers/issi/is31fl3731.c
index c9155f5a37..0b6f3e985d 100644
--- a/drivers/issi/is31fl3731.c
+++ b/drivers/issi/is31fl3731.c
@@ -16,11 +16,11 @@
*/
#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 "is31fl3731.h"
@@ -37,7 +37,7 @@
// 0b1110110 AD <-> SDA
#define ISSI_ADDR_DEFAULT 0x74
-#define ISSI_REG_CONFIG 0x00
+#define ISSI_REG_CONFIG 0x00
#define ISSI_REG_CONFIG_PICTUREMODE 0x00
#define ISSI_REG_CONFIG_AUTOPLAYMODE 0x08
#define ISSI_REG_CONFIG_AUDIOPLAYMODE 0x18
@@ -46,20 +46,20 @@
#define ISSI_CONF_AUTOFRAMEMODE 0x04
#define ISSI_CONF_AUDIOMODE 0x08
-#define ISSI_REG_PICTUREFRAME 0x01
+#define ISSI_REG_PICTUREFRAME 0x01
#define ISSI_REG_SHUTDOWN 0x0A
#define ISSI_REG_AUDIOSYNC 0x06
#define ISSI_COMMANDREGISTER 0xFD
-#define ISSI_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
+#define ISSI_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
#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()
@@ -71,10 +71,10 @@ uint8_t g_twi_transfer_buffer[20];
// buffers and the transfers in IS31FL3731_write_pwm_buffer() but it's
// probably not worth the extra complexity.
uint8_t g_pwm_buffer[DRIVER_COUNT][144];
-bool g_pwm_buffer_update_required = false;
+bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false};
-uint8_t g_led_control_registers[DRIVER_COUNT][18] = { { 0 }, { 0 } };
-bool g_led_control_registers_update_required = false;
+uint8_t g_led_control_registers[DRIVER_COUNT][18] = {{0}, {0}};
+bool g_led_control_registers_update_required[DRIVER_COUNT] = {false};
// This is the bit pattern in the LED control registers
// (for matrix A, add one to register for matrix B)
@@ -90,181 +90,159 @@ bool g_led_control_registers_update_required = false;
// 0x0E - R17,G15,G14,G13,G12,G11,G10,G09
// 0x10 - R16,R15,R14,R13,R12,R11,R10,R09
-
-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) {
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 IS31FL3731_write_pwm_buffer( uint8_t addr, uint8_t *pwm_buffer )
-{
+void IS31FL3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// assumes bank is already selected
// transmit PWM registers in 9 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 < 144; i += 16 ) {
+ for (int i = 0; i < 144; 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
// device will auto-increment register for data after the first byte
// thus this sets registers 0x24-0x33, 0x34-0x43, 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 IS31FL3731_init( uint8_t addr )
-{
+void IS31FL3731_init(uint8_t addr) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, first enable software shutdown,
// then set up the mode and other settings, clear the PWM registers,
// then disable software shutdown.
// select "function register" bank
- IS31FL3731_write_register( addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG );
+ IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
// enable software shutdown
- IS31FL3731_write_register( addr, ISSI_REG_SHUTDOWN, 0x00 );
- // this delay was copied from other drivers, might not be needed
- #ifdef __AVR__
- _delay_ms( 10 );
- #else
+ IS31FL3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x00);
+// this delay was copied from other drivers, might not be needed
+#ifdef __AVR__
+ _delay_ms(10);
+#else
wait_ms(10);
- #endif
+#endif
// picture mode
- IS31FL3731_write_register( addr, ISSI_REG_CONFIG, ISSI_REG_CONFIG_PICTUREMODE );
+ IS31FL3731_write_register(addr, ISSI_REG_CONFIG, ISSI_REG_CONFIG_PICTUREMODE);
// display frame 0
- IS31FL3731_write_register( addr, ISSI_REG_PICTUREFRAME, 0x00 );
+ IS31FL3731_write_register(addr, ISSI_REG_PICTUREFRAME, 0x00);
// audio sync off
- IS31FL3731_write_register( addr, ISSI_REG_AUDIOSYNC, 0x00 );
+ IS31FL3731_write_register(addr, ISSI_REG_AUDIOSYNC, 0x00);
// select bank 0
- IS31FL3731_write_register( addr, ISSI_COMMANDREGISTER, 0 );
+ IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, 0);
// turn off all LEDs in the LED control register
- for ( int i = 0x00; i <= 0x11; i++ )
- {
- IS31FL3731_write_register( addr, i, 0x00 );
+ for (int i = 0x00; i <= 0x11; i++) {
+ IS31FL3731_write_register(addr, i, 0x00);
}
// turn off all LEDs in the blink control register (not really needed)
- for ( int i = 0x12; i <= 0x23; i++ )
- {
- IS31FL3731_write_register( addr, i, 0x00 );
+ for (int i = 0x12; i <= 0x23; i++) {
+ IS31FL3731_write_register(addr, i, 0x00);
}
// set PWM on all LEDs to 0
- for ( int i = 0x24; i <= 0xB3; i++ )
- {
- IS31FL3731_write_register( addr, i, 0x00 );
+ for (int i = 0x24; i <= 0xB3; i++) {
+ IS31FL3731_write_register(addr, i, 0x00);
}
// select "function register" bank
- IS31FL3731_write_register( addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG );
+ IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
// disable software shutdown
- IS31FL3731_write_register( addr, ISSI_REG_SHUTDOWN, 0x01 );
+ IS31FL3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x01);
// select bank 0 and leave it selected.
// most usage after initialization is just writing PWM buffers in bank 0
// as there's not much point in double-buffering
- IS31FL3731_write_register( addr, ISSI_COMMANDREGISTER, 0 );
-
+ IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, 0);
}
-void IS31FL3731_set_color( int index, uint8_t red, uint8_t green, uint8_t blue )
-{
- if ( index >= 0 && index < DRIVER_LED_TOTAL ) {
+void IS31FL3731_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];
// Subtract 0x24 to get the second index of g_pwm_buffer
- g_pwm_buffer[led.driver][led.r - 0x24] = red;
- g_pwm_buffer[led.driver][led.g - 0x24] = green;
- g_pwm_buffer[led.driver][led.b - 0x24] = blue;
- g_pwm_buffer_update_required = true;
+ g_pwm_buffer[led.driver][led.r - 0x24] = red;
+ g_pwm_buffer[led.driver][led.g - 0x24] = green;
+ g_pwm_buffer[led.driver][led.b - 0x24] = blue;
+ g_pwm_buffer_update_required[led.driver] = true;
}
}
-void IS31FL3731_set_color_all( uint8_t red, uint8_t green, uint8_t blue )
-{
- for ( int i = 0; i < DRIVER_LED_TOTAL; i++ )
- {
- IS31FL3731_set_color( i, red, green, blue );
+void IS31FL3731_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
+ for (int i = 0; i < DRIVER_LED_TOTAL; i++) {
+ IS31FL3731_set_color(i, red, green, blue);
}
}
-void IS31FL3731_set_led_control_register( uint8_t index, bool red, bool green, bool blue )
-{
+void IS31FL3731_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 - 0x24) / 8;
- uint8_t control_register_g = (led.g - 0x24) / 8;
- uint8_t control_register_b = (led.b - 0x24) / 8;
- uint8_t bit_r = (led.r - 0x24) % 8;
- uint8_t bit_g = (led.g - 0x24) % 8;
- uint8_t bit_b = (led.b - 0x24) % 8;
+ uint8_t control_register_r = (led.r - 0x24) / 8;
+ uint8_t control_register_g = (led.g - 0x24) / 8;
+ uint8_t control_register_b = (led.b - 0x24) / 8;
+ uint8_t bit_r = (led.r - 0x24) % 8;
+ uint8_t bit_g = (led.g - 0x24) % 8;
+ uint8_t bit_b = (led.b - 0x24) % 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 = true;
-
+ g_led_control_registers_update_required[led.driver] = true;
}
-void IS31FL3731_update_pwm_buffers( uint8_t addr1, uint8_t addr2 )
-{
- if ( g_pwm_buffer_update_required )
- {
- IS31FL3731_write_pwm_buffer( addr1, g_pwm_buffer[0] );
- IS31FL3731_write_pwm_buffer( addr2, g_pwm_buffer[1] );
+void IS31FL3731_update_pwm_buffers(uint8_t addr, uint8_t index) {
+ if (g_pwm_buffer_update_required[index]) {
+ IS31FL3731_write_pwm_buffer(addr, g_pwm_buffer[index]);
}
- g_pwm_buffer_update_required = false;
+ g_pwm_buffer_update_required[index] = false;
}
-void IS31FL3731_update_led_control_registers( uint8_t addr1, uint8_t addr2 )
-{
- if ( g_led_control_registers_update_required )
- {
- for ( int i=0; i<18; i++ )
- {
- IS31FL3731_write_register(addr1, i, g_led_control_registers[0][i] );
- IS31FL3731_write_register(addr2, i, g_led_control_registers[1][i] );
+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++) {
+ IS31FL3731_write_register(addr, i, g_led_control_registers[index][i]);
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 11:55:07 +0000