keyboards/ergotaco/ergotaco.h

   1 #pragma once
   2 #include <util/delay.h>
   3 #include <stdint.h>
   4 #include <stdbool.h>
   5 #include "quantum.h"
   6 #include "i2c_master.h"
   7 #include "matrix.h"
   8
   9
  10 extern i2c_status_t mcp23018_status;
  11 #define ERGODOX_EZ_I2C_TIMEOUT 1000
  12 #define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
  13 #define CPU_16MHz       0x00
  14
  15 // I2C aliases and register addresses (see "mcp23018.md")
  16 //#define I2C_ADDR        0b0100000
  17 #define I2C_ADDR        0x20
  18 #define I2C_ADDR_WRITE  ( (I2C_ADDR<<1) | I2C_WRITE )
  19 #define I2C_ADDR_READ   ( (I2C_ADDR<<1) | I2C_READ  )
  20 #define IODIRA          0x00            // i/o direction register
  21 #define IODIRB          0x01
  22 #define GPPUA           0x0C            // GPIO pull-up resistor register
  23 #define GPPUB           0x0D
  24 #define GPIOA           0x12            // general purpose i/o port register (write modifies OLAT)
  25 #define GPIOB           0x13
  26 #define OLATA           0x14            // output latch register
  27 #define OLATB           0x15
  28
  29 void init_ergodox(void);
  30 uint8_t init_mcp23018(void);
  31
  32 /*  ---------- LEFT HAND -----------   ---------- RIGHT HAND ---------- */
  33 #define LAYOUT(                                                          \
  34     L00,L01,L02,L03,L04,L05,                   R00,R01,R02,R03,R04,R05)  \
  35                                                                          \
  36    /* matrix positions */                                                \
  37     {                   \
  38     {R00},     \
  39     {R01},     \
  40     {R02},     \
  41     {R03},     \
  42     {R04},     \
  43     {R05},     \
  44     {L05},     \
  45     {L04},     \
  46     {L03},     \
  47     {L02},     \
  48     {L01},     \
  49     {L00},     \
  50 }