/*
-Note for ErgoDox EZ customizers: Here be dragons!
-This is not a file you want to be messing with.
-All of the interesting stuff for you is under keymaps/ :)
-Love, Erez
Copyright 2013 Oleg Kostyuk <cub.uanic@gmail.com>
#include "debug.h"
#include "util.h"
#include "matrix.h"
+#include "debounce.h"
#include QMK_KEYBOARD_H
-#include "i2cmaster.h"
#ifdef DEBUG_MATRIX_SCAN_RATE
-#include "timer.h"
+# include "timer.h"
#endif
/*
- * This constant define not debouncing time in msecs, but amount of matrix
- * scan loops which should be made to get stable debounced results.
+ * This constant define not debouncing time in msecs, assuming eager_pr.
*
* On Ergodox matrix scan rate is relatively low, because of slow I2C.
* Now it's only 317 scans/second, or about 3.15 msec/scan.
*/
#ifndef DEBOUNCE
-# define DEBOUNCE 5
+# define DEBOUNCE 5
#endif
/* matrix state(1:on, 0:off) */
-static matrix_row_t matrix[MATRIX_ROWS];
-
-// Debouncing: store for each key the number of scans until it's eligible to
-// change. When scanning the matrix, ignore any changes in keys that have
-// already changed in the last DEBOUNCE scans.
-static uint8_t debounce_matrix[MATRIX_ROWS * MATRIX_COLS];
+static matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
+static matrix_row_t matrix[MATRIX_ROWS]; // debounced values
static matrix_row_t read_cols(uint8_t row);
-static void init_cols(void);
-static void unselect_rows(void);
-static void select_row(uint8_t row);
+static void init_cols(void);
+static void unselect_rows(void);
+static void select_row(uint8_t row);
static uint8_t mcp23018_reset_loop;
+// static uint16_t mcp23018_reset_loop;
#ifdef DEBUG_MATRIX_SCAN_RATE
uint32_t matrix_timer;
uint32_t matrix_scan_count;
#endif
+__attribute__((weak)) void matrix_init_user(void) {}
-__attribute__ ((weak))
-void matrix_init_user(void) {}
+__attribute__((weak)) void matrix_scan_user(void) {}
-__attribute__ ((weak))
-void matrix_scan_user(void) {}
+__attribute__((weak)) void matrix_init_kb(void) { matrix_init_user(); }
-__attribute__ ((weak))
-void matrix_init_kb(void) {
- matrix_init_user();
-}
+__attribute__((weak)) void matrix_scan_kb(void) { matrix_scan_user(); }
-__attribute__ ((weak))
-void matrix_scan_kb(void) {
- matrix_scan_user();
-}
+inline uint8_t matrix_rows(void) { return MATRIX_ROWS; }
-inline
-uint8_t matrix_rows(void)
-{
- return MATRIX_ROWS;
-}
+inline uint8_t matrix_cols(void) { return MATRIX_COLS; }
-inline
-uint8_t matrix_cols(void)
-{
- return MATRIX_COLS;
-}
+void matrix_init(void) {
+ // initialize row and col
-void matrix_init(void)
-{
- // initialize row and col
+ mcp23018_status = init_mcp23018();
- mcp23018_status = init_mcp23018();
+ unselect_rows();
+ init_cols();
-
- unselect_rows();
- init_cols();
-
- // initialize matrix state: all keys off
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- matrix[i] = 0;
- for (uint8_t j=0; j < MATRIX_COLS; ++j) {
- debounce_matrix[i * MATRIX_COLS + j] = 0;
- }
- }
+ // initialize matrix state: all keys off
+ for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+ matrix[i] = 0;
+ raw_matrix[i] = 0;
+ }
#ifdef DEBUG_MATRIX_SCAN_RATE
- matrix_timer = timer_read32();
- matrix_scan_count = 0;
+ matrix_timer = timer_read32();
+ matrix_scan_count = 0;
#endif
-
- matrix_init_quantum();
-
+ debounce_init(MATRIX_ROWS);
+ matrix_init_quantum();
}
void matrix_power_up(void) {
- mcp23018_status = init_mcp23018();
+ mcp23018_status = init_mcp23018();
- unselect_rows();
- init_cols();
+ unselect_rows();
+ init_cols();
- // initialize matrix state: all keys off
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- matrix[i] = 0;
- }
+ // initialize matrix state: all keys off
+ for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+ matrix[i] = 0;
+ }
#ifdef DEBUG_MATRIX_SCAN_RATE
- matrix_timer = timer_read32();
- matrix_scan_count = 0;
+ matrix_timer = timer_read32();
+ matrix_scan_count = 0;
#endif
}
-// Returns a matrix_row_t whose bits are set if the corresponding key should be
-// eligible to change in this scan.
-matrix_row_t debounce_mask(uint8_t row) {
- matrix_row_t result = 0;
- for (uint8_t j=0; j < MATRIX_COLS; ++j) {
- if (debounce_matrix[row * MATRIX_COLS + j]) {
- --debounce_matrix[row * MATRIX_COLS + j];
- } else {
- result |= (1 << j);
- }
+// Reads and stores a row, returning
+// whether a change occurred.
+static inline bool store_raw_matrix_row(uint8_t index) {
+ matrix_row_t temp = read_cols(index);
+ if (raw_matrix[index] != temp) {
+ raw_matrix[index] = temp;
+ return true;
}
- return result;
+ return false;
}
-// Report changed keys in the given row. Resets the debounce countdowns
-// corresponding to each set bit in 'change' to DEBOUNCE.
-void debounce_report(matrix_row_t change, uint8_t row) {
- for (uint8_t i = 0; i < MATRIX_COLS; ++i) {
- if (change & (1 << i)) {
- debounce_matrix[row * MATRIX_COLS + i] = DEBOUNCE;
+uint8_t matrix_scan(void) {
+ if (mcp23018_status) { // if there was an error
+ if (++mcp23018_reset_loop == 0) {
+ // if (++mcp23018_reset_loop >= 1300) {
+ // since mcp23018_reset_loop is 8 bit - we'll try to reset once in 255 matrix scans
+ // this will be approx bit more frequent than once per second
+ print("trying to reset mcp23018\n");
+ mcp23018_status = init_mcp23018();
+ if (mcp23018_status) {
+ print("left side not responding\n");
+ } else {
+ print("left side attached\n");
+ ergodox_blink_all_leds();
+ }
}
}
-}
-
-uint8_t matrix_scan(void)
-{
- if (mcp23018_status) { // if there was an error
- if (++mcp23018_reset_loop == 0) {
- // since mcp23018_reset_loop is 8 bit - we'll try to reset once in 255 matrix scans
- // this will be approx bit more frequent than once per second
- print("trying to reset mcp23018\n");
- mcp23018_status = init_mcp23018();
- if (mcp23018_status) {
- print("left side not responding\n");
- } else {
- print("left side attached\n");
- ergodox_blink_all_leds();
- }
- }
- }
#ifdef DEBUG_MATRIX_SCAN_RATE
- matrix_scan_count++;
+ matrix_scan_count++;
- uint32_t timer_now = timer_read32();
- if (TIMER_DIFF_32(timer_now, matrix_timer)>1000) {
- print("matrix scan frequency: ");
- pdec(matrix_scan_count);
- print("\n");
+ uint32_t timer_now = timer_read32();
+ if (TIMER_DIFF_32(timer_now, matrix_timer) > 1000) {
+ print("matrix scan frequency: ");
+ pdec(matrix_scan_count);
+ print("\n");
- matrix_timer = timer_now;
- matrix_scan_count = 0;
- }
+ matrix_timer = timer_now;
+ matrix_scan_count = 0;
+ }
#endif
#ifdef LEFT_LEDS
- mcp23018_status = ergodox_left_leds_update();
-#endif // LEFT_LEDS
- for (uint8_t i = 0; i < MATRIX_ROWS_PER_SIDE; i++) {
- select_row(i);
- // and select on left hand
- select_row(i + MATRIX_ROWS_PER_SIDE);
- // we don't need a 30us delay anymore, because selecting a
- // left-hand row requires more than 30us for i2c.
- matrix_row_t mask = debounce_mask(i);
- matrix_row_t cols = (read_cols(i) & mask) | (matrix[i] & ~mask);
- debounce_report(cols ^ matrix[i], i);
- matrix[i] = cols;
- // grab cols from right hand
- mask = debounce_mask(i + MATRIX_ROWS_PER_SIDE);
- cols = (read_cols(i + MATRIX_ROWS_PER_SIDE) & mask) | (matrix[i + MATRIX_ROWS_PER_SIDE] & ~mask);
- debounce_report(cols ^ matrix[i + MATRIX_ROWS_PER_SIDE], i + MATRIX_ROWS_PER_SIDE);
- matrix[i + MATRIX_ROWS_PER_SIDE] = cols;
- unselect_rows();
- }
+ mcp23018_status = ergodox_left_leds_update();
+#endif // LEFT_LEDS
+ bool changed = false;
+ for (uint8_t i = 0; i < MATRIX_ROWS_PER_SIDE; i++) {
+ // select rows from left and right hands
+ uint8_t left_index = i;
+ uint8_t right_index = i + MATRIX_ROWS_PER_SIDE;
+ select_row(left_index);
+ select_row(right_index);
+
+ // we don't need a 30us delay anymore, because selecting a
+ // left-hand row requires more than 30us for i2c.
+
+ changed |= store_raw_matrix_row(left_index);
+ changed |= store_raw_matrix_row(right_index);
- matrix_scan_quantum();
+ unselect_rows();
+ }
- return 1;
-}
+ debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
+ matrix_scan_quantum();
-bool matrix_is_modified(void) // deprecated and evidently not called.
-{
- return true;
+ return 1;
}
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
+bool matrix_is_modified(void) // deprecated and evidently not called.
{
- return (matrix[row] & ((matrix_row_t)1<<col));
+ return true;
}
-inline
-matrix_row_t matrix_get_row(uint8_t row)
-{
- return matrix[row];
-}
+inline bool matrix_is_on(uint8_t row, uint8_t col) { return (matrix[row] & ((matrix_row_t)1 << col)); }
-void matrix_print(void)
-{
- print("\nr/c 0123456789ABCDEF\n");
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- phex(row); print(": ");
- pbin_reverse16(matrix_get_row(row));
- print("\n");
- }
+inline matrix_row_t matrix_get_row(uint8_t row) { return matrix[row]; }
+
+void matrix_print(void) {
+ print("\nr/c 0123456789ABCDEF\n");
+ for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+ phex(row);
+ print(": ");
+ pbin_reverse16(matrix_get_row(row));
+ print("\n");
+ }
}
-uint8_t matrix_key_count(void)
-{
- uint8_t count = 0;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += bitpop16(matrix[i]);
- }
- return count;
+uint8_t matrix_key_count(void) {
+ uint8_t count = 0;
+ for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+ count += bitpop16(matrix[i]);
+ }
+ return count;
}
/* Column pin configuration
* col: 0 1 2 3 4 5
* pin: B5 B4 B3 B2 B1 B0
*/
-static void init_cols(void)
-{
- // init on mcp23018
- // not needed, already done as part of init_mcp23018()
-
- // init on teensy
- // Input with pull-up(DDR:0, PORT:1)
- DDRF &= ~(1<<7 | 1<<6 | 1<<5 | 1<<4 | 1<<1 | 1<<0);
- PORTF |= (1<<7 | 1<<6 | 1<<5 | 1<<4 | 1<<1 | 1<<0);
+static void init_cols(void) {
+ // init on mcp23018
+ // not needed, already done as part of init_mcp23018()
+
+ // init on teensy
+ // Input with pull-up(DDR:0, PORT:1)
+ DDRF &= ~(1 << 7 | 1 << 6 | 1 << 5 | 1 << 4 | 1 << 1 | 1 << 0);
+ PORTF |= (1 << 7 | 1 << 6 | 1 << 5 | 1 << 4 | 1 << 1 | 1 << 0);
}
-static matrix_row_t read_cols(uint8_t row)
-{
- if (row < 7) {
- if (mcp23018_status) { // if there was an error
- return 0;
- } else {
- uint8_t data = 0;
- mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(GPIOB); if (mcp23018_status) goto out;
- mcp23018_status = i2c_start(I2C_ADDR_READ); if (mcp23018_status) goto out;
- data = i2c_readNak();
- data = ~data;
- out:
- i2c_stop();
- return data;
- }
+static matrix_row_t read_cols(uint8_t row) {
+ if (row < 7) {
+ if (mcp23018_status) { // if there was an error
+ return 0;
} else {
- /* read from teensy
- * bitmask is 0b11110011, but we want those all
- * in the lower six bits.
- * we'll return 1s for the top two, but that's harmless.
- */
-
- return ~((PINF & 0x03) | ((PINF & 0xF0) >> 2));
+ uint8_t data = 0;
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE, ERGODOX_EZ_I2C_TIMEOUT);
+ if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(GPIOB, ERGODOX_EZ_I2C_TIMEOUT);
+ if (mcp23018_status) goto out;
+ mcp23018_status = i2c_start(I2C_ADDR_READ, ERGODOX_EZ_I2C_TIMEOUT);
+ if (mcp23018_status) goto out;
+ mcp23018_status = i2c_read_nack(ERGODOX_EZ_I2C_TIMEOUT);
+ if (mcp23018_status < 0) goto out;
+ data = ~((uint8_t)mcp23018_status);
+ mcp23018_status = I2C_STATUS_SUCCESS;
+ out:
+ i2c_stop();
+ return data;
}
+ } else {
+ /* read from teensy
+ * bitmask is 0b11110011, but we want those all
+ * in the lower six bits.
+ * we'll return 1s for the top two, but that's harmless.
+ */
+
+ return ~((PINF & 0x03) | ((PINF & 0xF0) >> 2));
+ }
}
/* Row pin configuration
* row: 0 1 2 3 4 5 6
* pin: A0 A1 A2 A3 A4 A5 A6
*/
-static void unselect_rows(void)
-{
- // unselect on mcp23018
- if (mcp23018_status) { // if there was an error
- // do nothing
- } else {
- // set all rows hi-Z : 1
- mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(GPIOA); if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(0xFF); if (mcp23018_status) goto out;
- out:
- i2c_stop();
- }
-
- // unselect on teensy
- // Hi-Z(DDR:0, PORT:0) to unselect
- DDRB &= ~(1<<0 | 1<<1 | 1<<2 | 1<<3);
- PORTB &= ~(1<<0 | 1<<1 | 1<<2 | 1<<3);
- DDRD &= ~(1<<2 | 1<<3);
- PORTD &= ~(1<<2 | 1<<3);
- DDRC &= ~(1<<6);
- PORTC &= ~(1<<6);
+static void unselect_rows(void) {
+ // no need to unselect on mcp23018, because the select step sets all
+ // the other row bits high, and it's not changing to a different
+ // direction
+
+ // unselect on teensy
+ // Hi-Z(DDR:0, PORT:0) to unselect
+ DDRB &= ~(1 << 0 | 1 << 1 | 1 << 2 | 1 << 3);
+ PORTB &= ~(1 << 0 | 1 << 1 | 1 << 2 | 1 << 3);
+ DDRD &= ~(1 << 2 | 1 << 3);
+ PORTD &= ~(1 << 2 | 1 << 3);
+ DDRC &= ~(1 << 6);
+ PORTC &= ~(1 << 6);
}
-static void select_row(uint8_t row)
-{
- if (row < 7) {
- // select on mcp23018
- if (mcp23018_status) { // if there was an error
- // do nothing
- } else {
- // set active row low : 0
- // set other rows hi-Z : 1
- mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(GPIOA); if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(0xFF & ~(1<<row)); if (mcp23018_status) goto out;
- out:
- i2c_stop();
- }
+static void select_row(uint8_t row) {
+ if (row < 7) {
+ // select on mcp23018
+ if (mcp23018_status) { // if there was an error
+ // do nothing
} else {
- // select on teensy
- // Output low(DDR:1, PORT:0) to select
- switch (row) {
- case 7:
- DDRB |= (1<<0);
- PORTB &= ~(1<<0);
- break;
- case 8:
- DDRB |= (1<<1);
- PORTB &= ~(1<<1);
- break;
- case 9:
- DDRB |= (1<<2);
- PORTB &= ~(1<<2);
- break;
- case 10:
- DDRB |= (1<<3);
- PORTB &= ~(1<<3);
- break;
- case 11:
- DDRD |= (1<<2);
- PORTD &= ~(1<<3);
- break;
- case 12:
- DDRD |= (1<<3);
- PORTD &= ~(1<<3);
- break;
- case 13:
- DDRC |= (1<<6);
- PORTC &= ~(1<<6);
- break;
- }
+ // set active row low : 0
+ // set other rows hi-Z : 1
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE, ERGODOX_EZ_I2C_TIMEOUT);
+ if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(GPIOA, ERGODOX_EZ_I2C_TIMEOUT);
+ if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(0xFF & ~(1 << row), ERGODOX_EZ_I2C_TIMEOUT);
+ if (mcp23018_status) goto out;
+ out:
+ i2c_stop();
}
+ } else {
+ // select on teensy
+ // Output low(DDR:1, PORT:0) to select
+ switch (row) {
+ case 7:
+ DDRB |= (1 << 0);
+ PORTB &= ~(1 << 0);
+ break;
+ case 8:
+ DDRB |= (1 << 1);
+ PORTB &= ~(1 << 1);
+ break;
+ case 9:
+ DDRB |= (1 << 2);
+ PORTB &= ~(1 << 2);
+ break;
+ case 10:
+ DDRB |= (1 << 3);
+ PORTB &= ~(1 << 3);
+ break;
+ case 11:
+ DDRD |= (1 << 2);
+ PORTD &= ~(1 << 2);
+ break;
+ case 12:
+ DDRD |= (1 << 3);
+ PORTD &= ~(1 << 3);
+ break;
+ case 13:
+ DDRC |= (1 << 6);
+ PORTC &= ~(1 << 6);
+ break;
+ }
+ }
}
-
projects / qmk_firmware.git / blobdiff