2 #include <util/delay.h>
6 #include "i2c_master.h"
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
15 // I2C aliases and register addresses (see "mcp23018.md")
16 //#define I2C_ADDR 0b0100000
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
22 #define GPPUA 0x0C // GPIO pull-up resistor register
24 #define GPIOA 0x12 // general purpose i/o port register (write modifies OLAT)
26 #define OLATA 0x14 // output latch register
29 void init_ergodox(void);
30 uint8_t init_mcp23018(void);
32 /* ---------- LEFT HAND ----------- ---------- RIGHT HAND ---------- */
33 #define LAYOUT_georgi( \
34 L00,L01,L02,L03,L04,L05, R00,R01,R02,R03,R04,R05, \
35 L10,L11,L12,L13,L14,L15, R10,R11,R12,R13,R14,R15, \
36 L20,L21,L22, R20,R21,R22) \
39 { KC_NO, R00, R10, R21}, \
40 { KC_NO, R01, R11, R20}, \
41 { KC_NO, R02, R12, R22}, \
42 { KC_NO, R03, R13, KC_NO}, \
43 { KC_NO, R04, R14, KC_NO}, \
44 { KC_NO, R05, R15, KC_NO}, \
45 { KC_NO, KC_NO, KC_NO, KC_NO}, \
47 { KC_NO, L05, L15, L22}, \
48 { KC_NO, L04, L14, L21}, \
49 { KC_NO, L03, L13, L20}, \
50 { KC_NO, L02, L12, KC_NO}, \
51 { KC_NO, L01, L11, KC_NO}, \
52 { KC_NO, L00, L10, KC_NO}, \
53 { KC_NO, KC_NO, KC_NO, KC_NO}, \
57 /* ---------- LEFT HAND ----------- ---------- RIGHT HAND ----------
58 #define LAYOUT_GERGO( \
59 L00,L01,L02,L03,L04,L05, R00,R01,R02,R03,R04,R05, \
60 L10,L11,L12,L13,L14,L15,L16, R10,R11,R12,R13,R14,R15,R16, \
61 L20,L21,L22,L23,L24,L25,L26, R20,R21,R22,R23,R24,R25,R26, \
67 { KC_NO, L16, L26, L30}, \
68 { L05, L15, L25, L34}, \
69 { L04, L14, L24, L33}, \
70 { L03, L13, L23, L32}, \
71 { L02, L12, L22, L31}, \
72 { L01, L11, L21, KC_NO}, \
73 { L00, L10, L20, KC_NO}, \
75 { KC_NO, R10, R20, R30}, \
76 { R00, R11, R21, R31}, \
77 { R01, R12, R22, R32}, \
78 { R02, R13, R23, R33}, \
79 { R03, R14, R24, R34}, \
80 { R04, R15, R25, KC_NO}, \
81 { R05, R16, R26, KC_NO}, \