1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
#include QMK_KEYBOARD_H
#include "i2cmaster.h"
extern inline void ergodox_board_led_on(void);
extern inline void ergodox_right_led_1_on(void);
extern inline void ergodox_right_led_2_on(void);
extern inline void ergodox_right_led_3_on(void);
extern inline void ergodox_right_led_on(uint8_t led);
extern inline void ergodox_board_led_off(void);
extern inline void ergodox_right_led_1_off(void);
extern inline void ergodox_right_led_2_off(void);
extern inline void ergodox_right_led_3_off(void);
extern inline void ergodox_right_led_off(uint8_t led);
extern inline void ergodox_led_all_on(void);
extern inline void ergodox_led_all_off(void);
extern inline void ergodox_right_led_1_set(uint8_t n);
extern inline void ergodox_right_led_2_set(uint8_t n);
extern inline void ergodox_right_led_3_set(uint8_t n);
extern inline void ergodox_right_led_set(uint8_t led, uint8_t n);
extern inline void ergodox_led_all_set(uint8_t n);
bool i2c_initialized = 0;
uint8_t mcp23018_status = 0x20;
void matrix_init_kb(void) {
// keyboard LEDs (see "PWM on ports OC1(A|B|C)" in "teensy-2-0.md")
TCCR1A = 0b10101001; // set and configure fast PWM
TCCR1B = 0b00001001; // set and configure fast PWM
// (tied to Vcc for hardware convenience)
DDRB &= ~(1<<4); // set B(4) as input
PORTB &= ~(1<<4); // set B(4) internal pull-up disabled
// unused pins - C7, D4, D5, D7, E6
// set as input with internal pull-up enabled
DDRC &= ~(1<<7);
DDRD &= ~(1<<5 | 1<<4);
DDRE &= ~(1<<6);
PORTC |= (1<<7);
PORTD |= (1<<5 | 1<<4);
PORTE |= (1<<6);
ergodox_blink_all_leds();
matrix_init_user();
}
void ergodox_blink_all_leds(void)
{
ergodox_led_all_off();
ergodox_led_all_set(LED_BRIGHTNESS_HI);
ergodox_right_led_1_on();
_delay_ms(50);
ergodox_right_led_2_on();
_delay_ms(50);
ergodox_right_led_3_on();
_delay_ms(50);
#ifdef LEFT_LEDS
ergodox_left_led_1_on();
_delay_ms(50);
if (!mcp23018_status) {
mcp23018_status = ergodox_left_leds_update();
}
ergodox_left_led_2_on();
_delay_ms(50);
if (!mcp23018_status) {
mcp23018_status = ergodox_left_leds_update();
}
ergodox_left_led_3_on();
_delay_ms(50);
if (!mcp23018_status) {
mcp23018_status = ergodox_left_leds_update();
}
#endif
ergodox_right_led_1_off();
_delay_ms(50);
ergodox_right_led_2_off();
_delay_ms(50);
ergodox_right_led_3_off();
#ifdef LEFT_LEDS
_delay_ms(50);
ergodox_left_led_1_off();
if (!mcp23018_status) {
mcp23018_status = ergodox_left_leds_update();
}
_delay_ms(50);
ergodox_left_led_2_off();
if (!mcp23018_status) {
mcp23018_status = ergodox_left_leds_update();
}
_delay_ms(50);
ergodox_left_led_3_off();
if (!mcp23018_status) {
mcp23018_status = ergodox_left_leds_update();
}
#endif
//ergodox_led_all_on();
//_delay_ms(333);
ergodox_led_all_off();
}
uint8_t init_mcp23018(void) {
mcp23018_status = 0x20;
// I2C subsystem
// uint8_t sreg_prev;
// sreg_prev=SREG;
// cli();
if (i2c_initialized == 0) {
i2c_init(); // on pins D(1,0)
i2c_initialized = true;
_delay_ms(1000);
}
// set pin direction
// - unused : input : 1
// - input : input : 1
// - driving : output : 0
mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(IODIRA); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b00111111); if (mcp23018_status) goto out;
i2c_stop();
// set pull-up
// - unused : on : 1
// - input : on : 1
// - driving : off : 0
mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(GPPUA); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b00111111); if (mcp23018_status) goto out;
out:
i2c_stop();
#ifdef LEFT_LEDS
if (!mcp23018_status) mcp23018_status = ergodox_left_leds_update();
#endif // LEFT_LEDS
// SREG=sreg_prev;
return mcp23018_status;
}
#ifdef LEFT_LEDS
uint8_t ergodox_left_leds_update(void) {
if (mcp23018_status) { // if there was an error
return mcp23018_status;
}
#define LEFT_LED_1_SHIFT 7 // in MCP23018 port B
#define LEFT_LED_2_SHIFT 6 // in MCP23018 port B
#define LEFT_LED_3_SHIFT 7 // in MCP23018 port A
// set logical value (doesn't matter on inputs)
// - unused : hi-Z : 1
// - input : hi-Z : 1
// - driving : hi-Z : 1
mcp23018_status = i2c_start(I2C_ADDR_WRITE);
if (mcp23018_status) goto out;
mcp23018_status = i2c_write(OLATA);
if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b11111111
& ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT)
);
if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b11111111
& ~(ergodox_left_led_2<<LEFT_LED_2_SHIFT)
& ~(ergodox_left_led_1<<LEFT_LED_1_SHIFT)
);
if (mcp23018_status) goto out;
out:
i2c_stop();
return mcp23018_status;
}
#endif
#ifdef ONEHAND_ENABLE
__attribute__ ((weak))
// swap-hands action needs a matrix to define the swap
const keypos_t hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {
/* Left hand, matrix positions */
{{0,13}, {1,13}, {2,13}, {3,13}, {4,13}, {5,13}},
{{0,12}, {1,12}, {2,12}, {3,12}, {4,12}, {5,12}},
{{0,11}, {1,11}, {2,11}, {3,11}, {4,11}, {5,11}},
{{0,10}, {1,10}, {2,10}, {3,10}, {4,10}, {5,10}},
{{0,9}, {1,9}, {2,9}, {3,9}, {4,9}, {5,9}},
{{0,8}, {1,8}, {2,8}, {3,8}, {4,8}, {5,8}},
{{0,7}, {1,7}, {2,7}, {3,7}, {4,7}, {5,7}},
/* Right hand, matrix positions */
{{0,6}, {1,6}, {2,6}, {3,6}, {4,6}, {5,6}},
{{0,5}, {1,5}, {2,5}, {3,5}, {4,5}, {5,5}},
{{0,4}, {1,4}, {2,4}, {3,4}, {4,4}, {5,4}},
{{0,3}, {1,3}, {2,3}, {3,3}, {4,3}, {5,3}},
{{0,2}, {1,2}, {2,2}, {3,2}, {4,2}, {5,2}},
{{0,1}, {1,1}, {2,1}, {3,1}, {4,1}, {5,1}},
{{0,0}, {1,0}, {2,0}, {3,0}, {4,0}, {5,0}},
};
#endif
|