You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.4 KiB
58 lines
1.4 KiB
7 years ago
|
#pragma once
|
||
|
|
|
||
|
|
#include "quantum.h"
|
||
|
|
#include <stdint.h>
|
||
|
|
#include "i2c_master.h"
|
||
|
|
#include <util/delay.h>
|
||
|
|
|
||
|
|
#define MCP23017
|
||
|
|
#define MCP23017_A0 0
|
||
|
|
#define MCP23017_A1 0
|
||
|
|
#define MCP23017_A2 0
|
||
|
|
|
||
|
|
#define I2C_ADDR (0x20)
|
||
|
|
#define I2C_ADDR_WRITE ((I2C_ADDR << 1) | I2C_WRITE)
|
||
|
|
#define I2C_ADDR_READ ((I2C_ADDR << 1) | I2C_READ)
|
||
|
|
|
||
|
|
|
||
|
|
#define MCP23017_B0_IODIRA 0x00
|
||
|
|
#define MCP23017_B0_IODIRB 0x01
|
||
|
|
#define MCP23017_B0_IPOLA 0x02
|
||
|
|
#define MCP23017_B0_IPOLB 0x03
|
||
|
|
#define MCP23017_B0_GPINTENA 0x04
|
||
|
|
#define MCP23017_B0_GPINTENB 0x05
|
||
|
|
#define MCP23017_B0_DEFVALA 0x06
|
||
|
|
#define MCP23017_B0_DEFVALB 0x07
|
||
|
|
#define MCP23017_B0_INTCONA 0x08
|
||
|
|
#define MCP23017_B0_INTCONB 0x09
|
||
|
|
#define MCP23017_B0_IOCONA 0x0A
|
||
|
|
#define MCP23017_B0_IOCONB 0x0B
|
||
|
|
#define MCP23017_B0_GPPUA 0x0C
|
||
|
|
#define MCP23017_B0_GPPUB 0x0D
|
||
|
|
#define MCP23017_B0_INTFA 0x0E
|
||
|
|
#define MCP23017_B0_INTFB 0x0F
|
||
|
|
#define MCP23017_B0_INTCAPA 0x10
|
||
|
|
#define MCP23017_B0_INTCAPB 0x11
|
||
|
|
#define MCP23017_B0_GPIOA 0x12
|
||
|
|
#define MCP23017_B0_GPIOB 0x13
|
||
|
|
#define MCP23017_B0_OLATA 0x14
|
||
|
|
#define MCP23017_B0_OLATB 0x15
|
||
|
|
|
||
|
|
#define HOTDOX_I2C_TIMEOUT 100
|
||
|
|
|
||
|
|
typedef int16_t i2c_status_t;
|
||
|
|
|
||
|
|
void left_init(void);
|
||
|
|
void left_scan(void);
|
||
|
|
|
||
|
|
uint8_t left_read_cols(void);
|
||
|
|
uint8_t left_get_col(uint8_t col);
|
||
|
|
|
||
|
|
matrix_row_t left_read_row(void);
|
||
|
|
|
||
|
|
void left_unselect_rows(void);
|
||
|
|
void left_select_row(uint8_t row);
|
||
|
|
|
||
|
|
uint8_t init_mcp23017(void);
|
||
|
|
|