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@@ -18,6 +18,7 @@
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*/
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#include "is31fl3731-simple.h"
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+#include <string.h>
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#include "i2c_master.h"
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#include "wait.h"
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@@ -28,34 +29,34 @@
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// 0b1110111 AD <-> VCC
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// 0b1110101 AD <-> SCL
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// 0b1110110 AD <-> SDA
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-#define ISSI_ADDR_DEFAULT 0x74
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+#define IS31FL3731_I2C_ADDRESS_DEFAULT 0x74
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-#define ISSI_REG_CONFIG 0x00
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-#define ISSI_REG_CONFIG_PICTUREMODE 0x00
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-#define ISSI_REG_CONFIG_AUTOPLAYMODE 0x08
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-#define ISSI_REG_CONFIG_AUDIOPLAYMODE 0x18
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+#define IS31FL3731_REG_CONFIG 0x00
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+#define IS31FL3731_REG_CONFIG_PICTUREMODE 0x00
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+#define IS31FL3731_REG_CONFIG_AUTOPLAYMODE 0x08
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+#define IS31FL3731_REG_CONFIG_AUDIOPLAYMODE 0x18
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-#define ISSI_CONF_PICTUREMODE 0x00
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-#define ISSI_CONF_AUTOFRAMEMODE 0x04
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-#define ISSI_CONF_AUDIOMODE 0x08
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+#define IS31FL3731_CONF_PICTUREMODE 0x00
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+#define IS31FL3731_CONF_AUTOFRAMEMODE 0x04
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+#define IS31FL3731_CONF_AUDIOMODE 0x08
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-#define ISSI_REG_PICTUREFRAME 0x01
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+#define IS31FL3731_REG_PICTUREFRAME 0x01
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// Not defined in the datasheet -- See AN for IC
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-#define ISSI_REG_GHOST_IMAGE_PREVENTION 0xC2 // Set bit 4 to enable de-ghosting
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+#define IS31FL3731_REG_GHOST_IMAGE_PREVENTION 0xC2 // Set bit 4 to enable de-ghosting
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-#define ISSI_REG_SHUTDOWN 0x0A
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-#define ISSI_REG_AUDIOSYNC 0x06
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+#define IS31FL3731_REG_SHUTDOWN 0x0A
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+#define IS31FL3731_REG_AUDIOSYNC 0x06
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-#define ISSI_COMMANDREGISTER 0xFD
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-#define ISSI_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
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+#define IS31FL3731_COMMANDREGISTER 0xFD
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+#define IS31FL3731_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
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-#ifndef ISSI_TIMEOUT
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-# define ISSI_TIMEOUT 100
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+#ifndef IS31FL3731_I2C_TIMEOUT
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+# define IS31FL3731_I2C_TIMEOUT 100
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#endif
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-#ifndef ISSI_PERSISTENCE
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-# define ISSI_PERSISTENCE 0
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+#ifndef IS31FL3731_I2C_PERSISTENCE
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+# define IS31FL3731_I2C_PERSISTENCE 0
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#endif
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// Transfer buffer for TWITransmitData()
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@@ -66,20 +67,20 @@ uint8_t g_twi_transfer_buffer[20];
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// We could optimize this and take out the unused registers from these
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// buffers and the transfers in is31fl3731_write_pwm_buffer() but it's
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// probably not worth the extra complexity.
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-uint8_t g_pwm_buffer[LED_DRIVER_COUNT][144];
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-bool g_pwm_buffer_update_required[LED_DRIVER_COUNT] = {false};
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+uint8_t g_pwm_buffer[IS31FL3731_DRIVER_COUNT][144];
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+bool g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false};
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/* There's probably a better way to init this... */
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-#if LED_DRIVER_COUNT == 1
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-uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}};
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-#elif LED_DRIVER_COUNT == 2
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-uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}, {0}};
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-#elif LED_DRIVER_COUNT == 3
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-uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}, {0}, {0}};
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-#elif LED_DRIVER_COUNT == 4
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-uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}, {0}, {0}, {0}};
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+#if IS31FL3731_DRIVER_COUNT == 1
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+uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {{0}};
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+#elif IS31FL3731_DRIVER_COUNT == 2
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+uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {{0}, {0}};
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+#elif IS31FL3731_DRIVER_COUNT == 3
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+uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {{0}, {0}, {0}};
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+#elif IS31FL3731_DRIVER_COUNT == 4
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+uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {{0}, {0}, {0}, {0}};
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#endif
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-bool g_led_control_registers_update_required[LED_DRIVER_COUNT] = {false};
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+bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
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// This is the bit pattern in the LED control registers
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// (for matrix A, add one to register for matrix B)
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@@ -99,14 +100,14 @@ void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
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g_twi_transfer_buffer[0] = reg;
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g_twi_transfer_buffer[1] = data;
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-#if ISSI_PERSISTENCE > 0
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- for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) {
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- if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT) == 0) {
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+#if IS31FL3731_I2C_PERSISTENCE > 0
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+ for (uint8_t i = 0; i < IS31FL3731_I2C_PERSISTENCE; i++) {
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+ if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3731_I2C_TIMEOUT) == 0) {
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break;
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}
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}
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#else
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- i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT);
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+ i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3731_I2C_TIMEOUT);
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#endif
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}
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@@ -125,12 +126,12 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
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// thus this sets registers 0x24-0x33, 0x34-0x43, etc. in one transfer
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memcpy(g_twi_transfer_buffer + 1, pwm_buffer + i, 16);
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-#if ISSI_PERSISTENCE > 0
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- for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) {
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- if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT) == 0) break;
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+#if IS31FL3731_I2C_PERSISTENCE > 0
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+ for (uint8_t i = 0; i < IS31FL3731_I2C_PERSISTENCE; i++) {
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+ if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3731_I2C_TIMEOUT) == 0) break;
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}
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#else
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- i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT);
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+ i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3731_I2C_TIMEOUT);
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#endif
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}
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}
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@@ -142,26 +143,26 @@ void is31fl3731_init(uint8_t addr) {
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// then disable software shutdown.
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// select "function register" bank
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- is31fl3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
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+ is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, IS31FL3731_BANK_FUNCTIONREG);
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// enable software shutdown
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- is31fl3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x00);
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-#ifdef ISSI_3731_DEGHOST // set to enable de-ghosting of the array
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- is31fl3731_write_register(addr, ISSI_REG_GHOST_IMAGE_PREVENTION, 0x10);
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+ is31fl3731_write_register(addr, IS31FL3731_REG_SHUTDOWN, 0x00);
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+#ifdef IS31FL3731_DEGHOST // set to enable de-ghosting of the array
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+ is31fl3731_write_register(addr, IS31FL3731_REG_GHOST_IMAGE_PREVENTION, 0x10);
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#endif
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// this delay was copied from other drivers, might not be needed
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wait_ms(10);
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// picture mode
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- is31fl3731_write_register(addr, ISSI_REG_CONFIG, ISSI_REG_CONFIG_PICTUREMODE);
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+ is31fl3731_write_register(addr, IS31FL3731_REG_CONFIG, IS31FL3731_REG_CONFIG_PICTUREMODE);
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// display frame 0
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- is31fl3731_write_register(addr, ISSI_REG_PICTUREFRAME, 0x00);
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+ is31fl3731_write_register(addr, IS31FL3731_REG_PICTUREFRAME, 0x00);
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// audio sync off
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- is31fl3731_write_register(addr, ISSI_REG_AUDIOSYNC, 0x00);
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+ is31fl3731_write_register(addr, IS31FL3731_REG_AUDIOSYNC, 0x00);
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// select bank 0
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- is31fl3731_write_register(addr, ISSI_COMMANDREGISTER, 0);
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+ is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);
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// turn off all LEDs in the LED control register
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for (int i = 0x00; i <= 0x11; i++) {
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@@ -179,15 +180,15 @@ void is31fl3731_init(uint8_t addr) {
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}
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// select "function register" bank
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- is31fl3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
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+ is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, IS31FL3731_BANK_FUNCTIONREG);
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// disable software shutdown
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- is31fl3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x01);
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+ is31fl3731_write_register(addr, IS31FL3731_REG_SHUTDOWN, 0x01);
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// select bank 0 and leave it selected.
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// most usage after initialization is just writing PWM buffers in bank 0
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// as there's not much point in double-buffering
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- is31fl3731_write_register(addr, ISSI_COMMANDREGISTER, 0);
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+ is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);
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}
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void is31fl3731_set_value(int index, uint8_t value) {
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