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RAMA U80-A, wilba.tech WT60-A, WT65-A, WT80-A, IS31FL3736 driver (#3925)

* Initial commit of RAMA U80-A

* Initial commit of RAMA U80-A

* Moved IS31FL3736 driver, minor cleanups

* Superficial stuff

* Review changes

* Refactored to use common code.
This commit is contained in:
Wilba6582 2018-09-28 00:40:44 +10:00 committed by Jack Humbert
parent f70f45ee67
commit 13e166d9c4
35 changed files with 2223 additions and 0 deletions

306
drivers/issi/is31fl3736.c Normal file
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/* Copyright 2018 Jason Williams (Wilba)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef __AVR__
#include <avr/interrupt.h>
#include <avr/io.h>
#include <util/delay.h>
#else
#include "wait.h"
#endif
#include "is31fl3736.h"
#include <string.h>
#include "i2c_master.h"
#include "progmem.h"
// This is a 7-bit address, that gets left-shifted and bit 0
// set to 0 for write, 1 for read (as per I2C protocol)
// The address will vary depending on your wiring:
// 00 <-> GND
// 01 <-> SCL
// 10 <-> SDA
// 11 <-> VCC
// ADDR1 represents A1:A0 of the 7-bit address.
// ADDR2 represents A3:A2 of the 7-bit address.
// The result is: 0b101(ADDR2)(ADDR1)
#define ISSI_ADDR_DEFAULT 0x50
#define ISSI_COMMANDREGISTER 0xFD
#define ISSI_COMMANDREGISTER_WRITELOCK 0xFE
#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_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
#endif
#ifndef ISSI_PERSISTENCE
#define ISSI_PERSISTENCE 0
#endif
// Transfer buffer for TWITransmitData()
uint8_t g_twi_transfer_buffer[20];
// These buffers match the IS31FL3736 PWM registers.
// The control buffers match the PG0 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
// We could optimize this and take out the unused registers from these
// buffers and the transfers in IS31FL3736_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 = false;
uint8_t g_led_control_registers[DRIVER_COUNT][24] = { { 0 }, { 0 } };
bool g_led_control_registers_update_required = false;
void IS31FL3736_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
for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT) == 0)
break;
}
#else
i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT);
#endif
}
void IS31FL3736_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 ) {
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++ ) {
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
}
}
void IS31FL3736_init( uint8_t addr )
{
// 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,
// then disable software shutdown.
// Unlock the command register.
IS31FL3736_write_register( addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 );
// Select PG0
IS31FL3736_write_register( addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL );
// Turn off all LEDs.
for ( int i = 0x00; i <= 0x17; i++ )
{
IS31FL3736_write_register( addr, i, 0x00 );
}
// Unlock the command register.
IS31FL3736_write_register( addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 );
// Select PG1
IS31FL3736_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++ )
{
IS31FL3736_write_register( addr, i, 0x00 );
}
// Unlock the command register.
IS31FL3736_write_register( addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 );
// Select PG3
IS31FL3736_write_register( addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION );
// Set global current to maximum.
IS31FL3736_write_register( addr, ISSI_REG_GLOBALCURRENT, 0xFF );
// Disable software shutdown.
IS31FL3736_write_register( addr, ISSI_REG_CONFIGURATION, 0x01 );
// Wait 10ms to ensure the device has woken up.
#ifdef __AVR__
_delay_ms( 10 );
#else
wait_ms(10);
#endif
}
void IS31FL3736_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_update_required = true;
}
}
void IS31FL3736_set_color_all( uint8_t red, uint8_t green, uint8_t blue )
{
for ( int i = 0; i < DRIVER_LED_TOTAL; i++ )
{
IS31FL3736_set_color( i, red, green, blue );
}
}
void IS31FL3736_set_led_control_register( uint8_t index, bool red, bool green, bool blue )
{
is31_led led = g_is31_leds[index];
// IS31FL3733
// The PWM register for a matrix position (0x00 to 0xBF) can be
// divided by 8 to get the LED control register (0x00 to 0x17),
// then mod 8 to get the bit position within that register.
// IS31FL3736
// The PWM register for a matrix position (0x00 to 0xBF) is interleaved, so:
// A1=0x00 A2=0x02 A3=0x04 A4=0x06 A5=0x08 A6=0x0A A7=0x0C A8=0x0E
// B1=0x10 B2=0x12 B3=0x14
// But also, the LED control registers (0x00 to 0x17) are also interleaved, so:
// A1-A4=0x00 A5-A8=0x01
// So, the same math applies.
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 ) {
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 ) {
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 ) {
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;
}
void IS31FL3736_mono_set_brightness( int index, uint8_t value )
{
if ( index >= 0 && index < 96 ) {
// Index in range 0..95 -> A1..A8, B1..B8, etc.
// Map index 0..95 to registers 0x00..0xBE (interleaved)
uint8_t pwm_register = index * 2;
g_pwm_buffer[0][pwm_register] = value;
g_pwm_buffer_update_required = true;
}
}
void IS31FL3736_mono_set_brightness_all( uint8_t value )
{
for ( int i = 0; i < 96; i++ )
{
IS31FL3736_mono_set_brightness( i, value );
}
}
void IS31FL3736_mono_set_led_control_register( uint8_t index, bool enabled )
{
// Index in range 0..95 -> A1..A8, B1..B8, etc.
// Map index 0..95 to registers 0x00..0xBE (interleaved)
uint8_t pwm_register = index * 2;
// Map register 0x00..0xBE (interleaved) into control register and bit
uint8_t control_register = pwm_register / 8;
uint8_t bit = pwm_register % 8;
if ( enabled ) {
g_led_control_registers[0][control_register] |= (1 << bit);
} else {
g_led_control_registers[0][control_register] &= ~(1 << bit);
}
g_led_control_registers_update_required = true;
}
void IS31FL3736_update_pwm_buffers( uint8_t addr1, uint8_t addr2 )
{
if ( g_pwm_buffer_update_required )
{
// Firstly we need to unlock the command register and select PG1
IS31FL3736_write_register( addr1, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 );
IS31FL3736_write_register( addr1, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM );
IS31FL3736_write_pwm_buffer( addr1, g_pwm_buffer[0] );
//IS31FL3736_write_pwm_buffer( addr2, g_pwm_buffer[1] );
}
g_pwm_buffer_update_required = false;
}
void IS31FL3736_update_led_control_registers( uint8_t addr1, uint8_t addr2 )
{
if ( g_led_control_registers_update_required )
{
// Firstly we need to unlock the command register and select PG0
IS31FL3736_write_register( addr1, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5 );
IS31FL3736_write_register( addr1, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL );
for ( int i=0; i<24; i++ )
{
IS31FL3736_write_register(addr1, i, g_led_control_registers[0][i] );
//IS31FL3736_write_register(addr2, i, g_led_control_registers[1][i] );
}
}
}

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drivers/issi/is31fl3736.h Normal file
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/* Copyright 2018 Jason Williams (Wilba)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdint.h>
#include <stdbool.h>
// Simple interface option.
// If these aren't defined, just define them to make it compile
#ifndef DRIVER_COUNT
#define DRIVER_COUNT 2
#endif
#ifndef DRIVER_LED_TOTAL
#define DRIVER_LED_TOTAL 96
#endif
typedef struct is31_led {
uint8_t driver:2;
uint8_t r;
uint8_t g;
uint8_t b;
} __attribute__((packed)) is31_led;
extern const is31_led g_is31_leds[DRIVER_LED_TOTAL];
void IS31FL3736_init( uint8_t addr );
void IS31FL3736_write_register( uint8_t addr, uint8_t reg, uint8_t data );
void IS31FL3736_write_pwm_buffer( uint8_t addr, uint8_t *pwm_buffer );
void IS31FL3736_set_color( int index, uint8_t red, uint8_t green, uint8_t blue );
void IS31FL3736_set_color_all( uint8_t red, uint8_t green, uint8_t blue );
void IS31FL3736_set_led_control_register( uint8_t index, bool red, bool green, bool blue );
void IS31FL3736_mono_set_brightness( int index, uint8_t value );
void IS31FL3736_mono_set_brightness_all( uint8_t value );
void IS31FL3736_mono_set_led_control_register( uint8_t index, bool enabled );
// This should not be called from an interrupt
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void IS31FL3736_update_pwm_buffers( uint8_t addr1, uint8_t addr2 );
void IS31FL3736_update_led_control_registers( uint8_t addr1, uint8_t addr2 );
#define A_1 0x00
#define A_2 0x02
#define A_3 0x04
#define A_4 0x06
#define A_5 0x08
#define A_6 0x0A
#define A_7 0x0C
#define A_8 0x0E
#define B_1 0x10
#define B_2 0x12
#define B_3 0x14
#define B_4 0x16
#define B_5 0x18
#define B_6 0x1A
#define B_7 0x1C
#define B_8 0x1E
#define C_1 0x20
#define C_2 0x22
#define C_3 0x24
#define C_4 0x26
#define C_5 0x28
#define C_6 0x2A
#define C_7 0x2C
#define C_8 0x2E
#define D_1 0x30
#define D_2 0x32
#define D_3 0x34
#define D_4 0x36
#define D_5 0x38
#define D_6 0x3A
#define D_7 0x3C
#define D_8 0x3E
#define E_1 0x40
#define E_2 0x42
#define E_3 0x44
#define E_4 0x46
#define E_5 0x48
#define E_6 0x4A
#define E_7 0x4C
#define E_8 0x4E
#define F_1 0x50
#define F_2 0x52
#define F_3 0x54
#define F_4 0x56
#define F_5 0x58
#define F_6 0x5A
#define F_7 0x5C
#define F_8 0x5E
#define G_1 0x60
#define G_2 0x62
#define G_3 0x64
#define G_4 0x66
#define G_5 0x68
#define G_6 0x6A
#define G_7 0x6C
#define G_8 0x6E
#define H_1 0x70
#define H_2 0x72
#define H_3 0x74
#define H_4 0x76
#define H_5 0x78
#define H_6 0x7A
#define H_7 0x7C
#define H_8 0x7E
#define I_1 0x80
#define I_2 0x82
#define I_3 0x84
#define I_4 0x86
#define I_5 0x88
#define I_6 0x8A
#define I_7 0x8C
#define I_8 0x8E
#define J_1 0x90
#define J_2 0x92
#define J_3 0x94
#define J_4 0x96
#define J_5 0x98
#define J_6 0x9A
#define J_7 0x9C
#define J_8 0x9E
#define K_1 0xA0
#define K_2 0xA2
#define K_3 0xA4
#define K_4 0xA6
#define K_5 0xA8
#define K_6 0xAA
#define K_7 0xAC
#define K_8 0xAE
#define L_1 0xB0
#define L_2 0xB2
#define L_3 0xB4
#define L_4 0xB6
#define L_5 0xB8
#define L_6 0xBA
#define L_7 0xBC
#define L_8 0xBE