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move drivers around

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This commit is contained in:
Jack Humbert 2018-06-01 16:37:15 -04:00
parent 274283420d
commit c1f6f1308b
8 changed files with 84 additions and 541 deletions
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1
common_features.mk
View File

@ -20,6 +20,7 @@ SERIAL_SRC += $(wildcard $(SERIAL_PATH)/system/*.c)
SERIAL_DEFS += -DSERIAL_LINK_ENABLE SERIAL_DEFS += -DSERIAL_LINK_ENABLE
COMMON_VPATH += $(SERIAL_PATH) COMMON_VPATH += $(SERIAL_PATH)
COMMON_VPATH += $(DRIVER_PATH)
ifeq ($(PLATFORM),AVR) ifeq ($(PLATFORM),AVR)
COMMON_VPATH += $(DRIVER_PATH)/avr COMMON_VPATH += $(DRIVER_PATH)/avr
else else

22
drivers/avr/i2c_master.h
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@ -1,22 +0,0 @@
/* Library made by: g4lvanix
* Github repository: https://github.com/g4lvanix/I2C-master-lib
*/
#ifndef I2C_MASTER_H
#define I2C_MASTER_H
#define I2C_READ 0x01
#define I2C_WRITE 0x00
void i2c_init(void);
uint8_t i2c_start(uint8_t address);
uint8_t i2c_write(uint8_t data);
uint8_t i2c_read_ack(void);
uint8_t i2c_read_nack(void);
uint8_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length);
uint8_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length);
uint8_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
uint8_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
void i2c_stop(void);
#endif // I2C_MASTER_H

244
drivers/avr/is31fl3731.c
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@ -1,244 +0,0 @@
/* Copyright 2017 Jason Williams
* Copyright 2018 Jack Humbert
*
* 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/>.
*/
#include "is31fl3731.h"
#include <avr/interrupt.h>
#include <avr/io.h>
#include <util/delay.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:
// 0b1110100 AD <-> GND
// 0b1110111 AD <-> VCC
// 0b1110101 AD <-> SCL
// 0b1110110 AD <-> SDA
#define ISSI_ADDR_DEFAULT 0x74
#define ISSI_REG_CONFIG 0x00
#define ISSI_REG_CONFIG_PICTUREMODE 0x00
#define ISSI_REG_CONFIG_AUTOPLAYMODE 0x08
#define ISSI_REG_CONFIG_AUDIOPLAYMODE 0x18
#define ISSI_CONF_PICTUREMODE 0x00
#define ISSI_CONF_AUTOFRAMEMODE 0x04
#define ISSI_CONF_AUDIOMODE 0x08
#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'
// Transfer buffer for TWITransmitData()
uint8_t g_twi_transfer_buffer[20];
// These buffers match the IS31FL3731 PWM registers 0x24-0xB3.
// 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 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;
uint8_t g_led_control_registers[DRIVER_COUNT][18] = { { 0 }, { 0 } };
bool g_led_control_registers_update_required = false;
// This is the bit pattern in the LED control registers
// (for matrix A, add one to register for matrix B)
//
// reg - b7 b6 b5 b4 b3 b2 b1 b0
// 0x00 - R08,R07,R06,R05,R04,R03,R02,R01
// 0x02 - G08,G07,G06,G05,G04,G03,G02,R00
// 0x04 - B08,B07,B06,B05,B04,B03,G01,G00
// 0x06 - - , - , - , - , - ,B02,B01,B00
// 0x08 - - , - , - , - , - , - , - , -
// 0x0A - B17,B16,B15, - , - , - , - , -
// 0x0C - G17,G16,B14,B13,B12,B11,B10,B09
// 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 )
{
g_twi_transfer_buffer[0] = reg;
g_twi_transfer_buffer[1] = data;
//Transmit data until succesful
while(i2c_transmit(addr << 1, g_twi_transfer_buffer,2) != 0);
}
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 )
{
// 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++ )
{
g_twi_transfer_buffer[1 + j] = pwm_buffer[i + j];
}
//Transmit buffer until succesful
while(i2c_transmit(addr << 1, g_twi_transfer_buffer,17) != 0);
}
}
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 );
// enable software shutdown
IS31FL3731_write_register( addr, ISSI_REG_SHUTDOWN, 0x00 );
// this delay was copied from other drivers, might not be needed
_delay_ms( 10 );
// picture mode
IS31FL3731_write_register( addr, ISSI_REG_CONFIG, ISSI_REG_CONFIG_PICTUREMODE );
// display frame 0
IS31FL3731_write_register( addr, ISSI_REG_PICTUREFRAME, 0x00 );
// audio sync off
IS31FL3731_write_register( addr, ISSI_REG_AUDIOSYNC, 0x00 );
// select bank 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 );
}
// 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 );
}
// set PWM on all LEDs to 0
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 );
// disable software shutdown
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 );
}
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;
}
}
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 )
{
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;
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 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] );
}
g_pwm_buffer_update_required = 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] );
}
}
}

214
drivers/avr/is31fl3731.h
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@ -1,214 +0,0 @@
/* Copyright 2017 Jason Williams
* Copyright 2018 Jack Humbert
*
* 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/>.
*/
#ifndef IS31FL3731_DRIVER_H
#define IS31FL3731_DRIVER_H
#include <stdint.h>
#include <stdbool.h>
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 IS31FL3731_init( uint8_t addr );
void IS31FL3731_write_register( uint8_t addr, uint8_t reg, uint8_t data );
void IS31FL3731_write_pwm_buffer( uint8_t addr, uint8_t *pwm_buffer );
void IS31FL3731_set_color( int index, uint8_t red, uint8_t green, uint8_t blue );
void IS31FL3731_set_color_all( uint8_t red, uint8_t green, uint8_t blue );
void IS31FL3731_set_led_control_register( uint8_t index, bool red, bool green, bool blue );
// 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 IS31FL3731_update_pwm_buffers( uint8_t addr1, uint8_t addr2 );
void IS31FL3731_update_led_control_registers( uint8_t addr1, uint8_t addr2 );
#define C1_1 0x24
#define C1_2 0x25
#define C1_3 0x26
#define C1_4 0x27
#define C1_5 0x28
#define C1_6 0x29
#define C1_7 0x2A
#define C1_8 0x2B
#define C1_9 0x2C
#define C1_10 0x2D
#define C1_11 0x2E
#define C1_12 0x2F
#define C1_13 0x30
#define C1_14 0x31
#define C1_15 0x32
#define C1_16 0x33
#define C2_1 0x34
#define C2_2 0x35
#define C2_3 0x36
#define C2_4 0x37
#define C2_5 0x38
#define C2_6 0x39
#define C2_7 0x3A
#define C2_8 0x3B
#define C2_9 0x3C
#define C2_10 0x3D
#define C2_11 0x3E
#define C2_12 0x3F
#define C2_13 0x40
#define C2_14 0x41
#define C2_15 0x42
#define C2_16 0x43
#define C3_1 0x44
#define C3_2 0x45
#define C3_3 0x46
#define C3_4 0x47
#define C3_5 0x48
#define C3_6 0x49
#define C3_7 0x4A
#define C3_8 0x4B
#define C3_9 0x4C
#define C3_10 0x4D
#define C3_11 0x4E
#define C3_12 0x4F
#define C3_13 0x50
#define C3_14 0x51
#define C3_15 0x52
#define C3_16 0x53
#define C4_1 0x54
#define C4_2 0x55
#define C4_3 0x56
#define C4_4 0x57
#define C4_5 0x58
#define C4_6 0x59
#define C4_7 0x5A
#define C4_8 0x5B
#define C4_9 0x5C
#define C4_10 0x5D
#define C4_11 0x5E
#define C4_12 0x5F
#define C4_13 0x60
#define C4_14 0x61
#define C4_15 0x62
#define C4_16 0x63
#define C5_1 0x64
#define C5_2 0x65
#define C5_3 0x66
#define C5_4 0x67
#define C5_5 0x68
#define C5_6 0x69
#define C5_7 0x6A
#define C5_8 0x6B
#define C5_9 0x6C
#define C5_10 0x6D
#define C5_11 0x6E
#define C5_12 0x6F
#define C5_13 0x70
#define C5_14 0x71
#define C5_15 0x72
#define C5_16 0x73
#define C6_1 0x74
#define C6_2 0x75
#define C6_3 0x76
#define C6_4 0x77
#define C6_5 0x78
#define C6_6 0x79
#define C6_7 0x7A
#define C6_8 0x7B
#define C6_9 0x7C
#define C6_10 0x7D
#define C6_11 0x7E
#define C6_12 0x7F
#define C6_13 0x80
#define C6_14 0x81
#define C6_15 0x82
#define C6_16 0x83
#define C7_1 0x84
#define C7_2 0x85
#define C7_3 0x86
#define C7_4 0x87
#define C7_5 0x88
#define C7_6 0x89
#define C7_7 0x8A
#define C7_8 0x8B
#define C7_9 0x8C
#define C7_10 0x8D
#define C7_11 0x8E
#define C7_12 0x8F
#define C7_13 0x90
#define C7_14 0x91
#define C7_15 0x92
#define C7_16 0x93
#define C8_1 0x94
#define C8_2 0x95
#define C8_3 0x96
#define C8_4 0x97
#define C8_5 0x98
#define C8_6 0x99
#define C8_7 0x9A
#define C8_8 0x9B
#define C8_9 0x9C
#define C8_10 0x9D
#define C8_11 0x9E
#define C8_12 0x9F
#define C8_13 0xA0
#define C8_14 0xA1
#define C8_15 0xA2
#define C8_16 0xA3
#define C9_1 0xA4
#define C9_2 0xA5
#define C9_3 0xA6
#define C9_4 0xA7
#define C9_5 0xA8
#define C9_6 0xA9
#define C9_7 0xAA
#define C9_8 0xAB
#define C9_9 0xAC
#define C9_10 0xAD
#define C9_11 0xAE
#define C9_12 0xAF
#define C9_13 0xB0
#define C9_14 0xB1
#define C9_15 0xB2
#define C9_16 0xB3
#endif // IS31FL3731_DRIVER_H

122
drivers/avr/i2c_master.c → drivers/avr/twi2c.c Executable file → Normal file
View File

@ -5,44 +5,44 @@
#include <avr/io.h> #include <avr/io.h>
#include <util/twi.h> #include <util/twi.h>
#include "i2c_master.h" #include "twi2c.h"
#define F_SCL 400000UL // SCL frequency #define F_SCL 400000UL // SCL frequency
#define Prescaler 1 #define Prescaler 1
#define TWBR_val ((((F_CPU / F_SCL) / Prescaler) - 16 ) / 2) #define TWBR_val ((((F_CPU / F_SCL) / Prescaler) - 16 ) / 2)
void i2c_init(void) void twi2c_init(void)
{ {
TWBR = (uint8_t)TWBR_val; TWBR = (uint8_t)TWBR_val;
} }
uint8_t i2c_start(uint8_t address) uint8_t twi2c_start(uint8_t address)
{ {
// reset TWI control register // reset TWI control register
TWCR = 0; TWCR = 0;
// transmit START condition // transmit START condition
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN); TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
// wait for end of transmission // wait for end of transmission
while( !(TWCR & (1<<TWINT)) ); while( !(TWCR & (1<<TWINT)) );
// check if the start condition was successfully transmitted // check if the start condition was successfully transmitted
if((TWSR & 0xF8) != TW_START){ return 1; } if((TWSR & 0xF8) != TW_START){ return 1; }
// load slave address into data register // load slave address into data register
TWDR = address; TWDR = address;
// start transmission of address // start transmission of address
TWCR = (1<<TWINT) | (1<<TWEN); TWCR = (1<<TWINT) | (1<<TWEN);
// wait for end of transmission // wait for end of transmission
while( !(TWCR & (1<<TWINT)) ); while( !(TWCR & (1<<TWINT)) );
// check if the device has acknowledged the READ / WRITE mode // check if the device has acknowledged the READ / WRITE mode
uint8_t twst = TW_STATUS & 0xF8; uint8_t twst = TW_STATUS & 0xF8;
if ( (twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK) ) return 1; if ( (twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK) ) return 1;
return 0; return 0;
} }
uint8_t i2c_write(uint8_t data) uint8_t twi2c_write(uint8_t data)
{ {
// load data into data register // load data into data register
TWDR = data; TWDR = data;
@ -50,26 +50,26 @@ uint8_t i2c_write(uint8_t data)
TWCR = (1<<TWINT) | (1<<TWEN); TWCR = (1<<TWINT) | (1<<TWEN);
// wait for end of transmission // wait for end of transmission
while( !(TWCR & (1<<TWINT)) ); while( !(TWCR & (1<<TWINT)) );
if( (TWSR & 0xF8) != TW_MT_DATA_ACK ){ return 1; } if( (TWSR & 0xF8) != TW_MT_DATA_ACK ){ return 1; }
return 0; return 0;
} }
uint8_t i2c_read_ack(void) uint8_t twi2c_read_ack(void)
{ {
// start TWI module and acknowledge data after reception // start TWI module and acknowledge data after reception
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWEA); TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWEA);
// wait for end of transmission // wait for end of transmission
while( !(TWCR & (1<<TWINT)) ); while( !(TWCR & (1<<TWINT)) );
// return received data from TWDR // return received data from TWDR
return TWDR; return TWDR;
} }
uint8_t i2c_read_nack(void) uint8_t twi2c_read_nack(void)
{ {
// start receiving without acknowledging reception // start receiving without acknowledging reception
TWCR = (1<<TWINT) | (1<<TWEN); TWCR = (1<<TWINT) | (1<<TWEN);
// wait for end of transmission // wait for end of transmission
@ -78,71 +78,71 @@ uint8_t i2c_read_nack(void)
return TWDR; return TWDR;
} }
uint8_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length) uint8_t twi2c_transmit(uint8_t address, uint8_t* data, uint16_t length)
{ {
if (i2c_start(address | I2C_WRITE)) return 1; if (twi2c_start(address | I2C_WRITE)) return 1;
for (uint16_t i = 0; i < length; i++)
{
if (i2c_write(data[i])) return 1;
}
i2c_stop();
return 0;
}
uint8_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length)
{
if (i2c_start(address | I2C_READ)) return 1;
for (uint16_t i = 0; i < (length-1); i++)
{
data[i] = i2c_read_ack();
}
data[(length-1)] = i2c_read_nack();
i2c_stop();
return 0;
}
uint8_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length)
{
if (i2c_start(devaddr | 0x00)) return 1;
i2c_write(regaddr);
for (uint16_t i = 0; i < length; i++) for (uint16_t i = 0; i < length; i++)
{ {
if (i2c_write(data[i])) return 1; if (twi2c_write(data[i])) return 1;
} }
i2c_stop(); twi2c_stop();
return 0; return 0;
} }
uint8_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length) uint8_t twi2c_receive(uint8_t address, uint8_t* data, uint16_t length)
{ {
if (i2c_start(devaddr)) return 1; if (twi2c_start(address | I2C_READ)) return 1;
i2c_write(regaddr);
if (i2c_start(devaddr | 0x01)) return 1;
for (uint16_t i = 0; i < (length-1); i++) for (uint16_t i = 0; i < (length-1); i++)
{ {
data[i] = i2c_read_ack(); data[i] = twi2c_read_ack();
} }
data[(length-1)] = i2c_read_nack(); data[(length-1)] = twi2c_read_nack();
i2c_stop(); twi2c_stop();
return 0; return 0;
} }
void i2c_stop(void) uint8_t twi2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length)
{
if (twi2c_start(devaddr | 0x00)) return 1;
twi2c_write(regaddr);
for (uint16_t i = 0; i < length; i++)
{
if (twi2c_write(data[i])) return 1;
}
twi2c_stop();
return 0;
}
uint8_t twi2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length)
{
if (twi2c_start(devaddr)) return 1;
twi2c_write(regaddr);
if (twi2c_start(devaddr | 0x01)) return 1;
for (uint16_t i = 0; i < (length-1); i++)
{
data[i] = twi2c_read_ack();
}
data[(length-1)] = twi2c_read_nack();
twi2c_stop();
return 0;
}
void twi2c_stop(void)
{ {
// transmit STOP condition // transmit STOP condition
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO); TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);

22
drivers/avr/twi2c.h Normal file
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@ -0,0 +1,22 @@
/* Library made by: g4lvanix
* Github repository: https://github.com/g4lvanix/I2C-master-lib
*/
#ifndef TWI2C_H
#define TWI2C_H
#define I2C_READ 0x01
#define I2C_WRITE 0x00
void twi2c_init(void);
uint8_t twi2c_start(uint8_t address);
uint8_t twi2c_write(uint8_t data);
uint8_t twi2c_read_ack(void);
uint8_t twi2c_read_nack(void);
uint8_t twi2c_transmit(uint8_t address, uint8_t* data, uint16_t length);
uint8_t twi2c_receive(uint8_t address, uint8_t* data, uint16_t length);
uint8_t twi2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
uint8_t twi2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
void twi2c_stop(void);
#endif // I2C_MASTER_H

0
drivers/arm/is31fl3731.c → drivers/is31fl3731.c
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0
drivers/arm/is31fl3731.h → drivers/is31fl3731.h
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