LED drivers: register naming cleanups (#22436)

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Ryan 2023-11-21 02:48:23 +11:00 committed by GitHub
parent e279c78ba3
commit dda6e7fb36
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51 changed files with 684 additions and 671 deletions

View file

@ -20,22 +20,6 @@
#include "i2c_master.h"
#include "wait.h"
#define IS31FL3733_COMMANDREGISTER 0xFD
#define IS31FL3733_COMMANDREGISTER_WRITELOCK 0xFE
#define IS31FL3733_INTERRUPTMASKREGISTER 0xF0
#define IS31FL3733_INTERRUPTSTATUSREGISTER 0xF1
#define IS31FL3733_PAGE_LEDCONTROL 0x00 // PG0
#define IS31FL3733_PAGE_PWM 0x01 // PG1
#define IS31FL3733_PAGE_AUTOBREATH 0x02 // PG2
#define IS31FL3733_PAGE_FUNCTION 0x03 // PG3
#define IS31FL3733_REG_CONFIGURATION 0x00 // PG3
#define IS31FL3733_REG_GLOBALCURRENT 0x01 // PG3
#define IS31FL3733_REG_RESET 0x11 // PG3
#define IS31FL3733_REG_SW_PULLUP 0x0F // PG3
#define IS31FL3733_REG_CS_PULLDOWN 0x10 // PG3
#define IS31FL3733_PWM_REGISTER_COUNT 192
#define IS31FL3733_LED_CONTROL_REGISTER_COUNT 24
@ -59,8 +43,8 @@
# define IS31FL3733_CS_PULLDOWN IS31FL3733_PDR_0_OHM
#endif
#ifndef IS31FL3733_GLOBALCURRENT
# define IS31FL3733_GLOBALCURRENT 0xFF
#ifndef IS31FL3733_GLOBAL_CURRENT
# define IS31FL3733_GLOBAL_CURRENT 0xFF
#endif
#ifndef IS31FL3733_SYNC_1
@ -167,20 +151,20 @@ void is31fl3733_init(uint8_t bus, uint8_t addr, uint8_t sync) {
// Sync is passed so set it according to the datasheet.
// Unlock the command register.
is31fl3733_write_register(bus, addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3733_write_register(bus, addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
// Select PG0
is31fl3733_write_register(bus, addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
is31fl3733_write_register(bus, addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_LED_CONTROL);
// Turn off all LEDs.
for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(bus, addr, i, 0x00);
}
// Unlock the command register.
is31fl3733_write_register(bus, addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3733_write_register(bus, addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
// Select PG1
is31fl3733_write_register(bus, addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM);
is31fl3733_write_register(bus, addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_PWM);
// Set PWM on all LEDs to 0
// No need to setup Breath registers to PWM as that is the default.
for (int i = 0; i < IS31FL3733_PWM_REGISTER_COUNT; i++) {
@ -188,18 +172,18 @@ void is31fl3733_init(uint8_t bus, uint8_t addr, uint8_t sync) {
}
// Unlock the command register.
is31fl3733_write_register(bus, addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3733_write_register(bus, addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
// Select PG3
is31fl3733_write_register(bus, addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_FUNCTION);
is31fl3733_write_register(bus, addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
is31fl3733_write_register(bus, addr, IS31FL3733_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
is31fl3733_write_register(bus, addr, IS31FL3733_FUNCTION_REG_SW_PULLUP, IS31FL3733_SW_PULLUP);
// Set de-ghost pull-down resistors (CSx)
is31fl3733_write_register(bus, addr, IS31FL3733_REG_CS_PULLDOWN, IS31FL3733_CS_PULLDOWN);
is31fl3733_write_register(bus, addr, IS31FL3733_FUNCTION_REG_CS_PULLDOWN, IS31FL3733_CS_PULLDOWN);
// Set global current to maximum.
is31fl3733_write_register(bus, addr, IS31FL3733_REG_GLOBALCURRENT, IS31FL3733_GLOBALCURRENT);
is31fl3733_write_register(bus, addr, IS31FL3733_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3733_GLOBAL_CURRENT);
// Disable software shutdown.
is31fl3733_write_register(bus, addr, IS31FL3733_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((IS31FL3733_PWM_FREQUENCY & 0b111) << 3) | 0x01);
is31fl3733_write_register(bus, addr, IS31FL3733_FUNCTION_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((IS31FL3733_PWM_FREQUENCY & 0b111) << 3) | 0x01);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@ -259,8 +243,8 @@ void is31fl3733_set_led_control_register(uint8_t index, bool red, bool green, bo
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(index, addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3733_write_register(index, addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM);
is31fl3733_write_register(index, addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(index, addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_PWM);
// If any of the transactions fail we risk writing dirty PG0,
// refresh page 0 just in case.
@ -274,8 +258,8 @@ void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t 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(index, addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);
is31fl3733_write_register(index, addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);
is31fl3733_write_register(index, addr, IS31FL3733_REG_COMMAND_WRITE_LOCK, IS31FL3733_COMMAND_WRITE_LOCK_MAGIC);
is31fl3733_write_register(index, addr, IS31FL3733_REG_COMMAND, IS31FL3733_COMMAND_LED_CONTROL);
for (int i = 0; i < IS31FL3733_LED_CONTROL_REGISTER_COUNT; i++) {
is31fl3733_write_register(index, addr, i, g_led_control_registers[index][i]);
}

View file

@ -22,6 +22,25 @@
#include <stdbool.h>
#include "progmem.h"
#define IS31FL3733_REG_INTERRUPT_MASK 0xF0
#define IS31FL3733_REG_INTERRUPT_STATUS 0xF1
#define IS31FL3733_REG_COMMAND 0xFD
#define IS31FL3733_COMMAND_LED_CONTROL 0x00
#define IS31FL3733_COMMAND_PWM 0x01
#define IS31FL3733_COMMAND_AUTO_BREATH 0x02
#define IS31FL3733_COMMAND_FUNCTION 0x03
#define IS31FL3733_FUNCTION_REG_CONFIGURATION 0x00
#define IS31FL3733_FUNCTION_REG_GLOBAL_CURRENT 0x01
#define IS31FL3733_FUNCTION_REG_SW_PULLUP 0x0F
#define IS31FL3733_FUNCTION_REG_CS_PULLDOWN 0x10
#define IS31FL3733_FUNCTION_REG_RESET 0x11
#define IS31FL3733_REG_COMMAND_WRITE_LOCK 0xFE
#define IS31FL3733_COMMAND_WRITE_LOCK_MAGIC 0xC5
#define IS31FL3733_I2C_ADDRESS_GND_GND 0x50
#define IS31FL3733_I2C_ADDRESS_GND_SCL 0x51
#define IS31FL3733_I2C_ADDRESS_GND_SDA 0x52