[Keyboard] Convert ErgoDox EZ to Matrix Lite (#10189)
* Convert ErgoDox EZ to lite matrix * Add initial config from Dactyl config Based on ErinCall's work to generalize the mcp i/o expander matrix code * formatting * Fix number of pins * Remove unused defines
This commit is contained in:
Drashna Jaelre
GitHub
parent
482c9fbbf2
commit
11c308d436
5 changed files with 147 additions and 214 deletions
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@ -30,7 +30,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "util.h"
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#include "matrix.h"
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#include "debounce.h"
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#include QMK_KEYBOARD_H
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#include "ergodox_ez.h"
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/*
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* This constant define not debouncing time in msecs, assuming eager_pr.
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@ -45,8 +46,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* matrix state(1:on, 0:off) */
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static matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
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static matrix_row_t matrix[MATRIX_ROWS]; // debounced values
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extern matrix_row_t matrix[MATRIX_ROWS]; // debounced values
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extern matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
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static matrix_row_t read_cols(uint8_t row);
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static void init_cols(void);
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@ -54,132 +55,62 @@ static void unselect_rows(void);
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static void select_row(uint8_t row);
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static uint8_t mcp23018_reset_loop;
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// static uint16_t mcp23018_reset_loop;
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__attribute__((weak)) void matrix_init_user(void) {}
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void matrix_init_custom(void) {
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// initialize row and col
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__attribute__((weak)) void matrix_scan_user(void) {}
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mcp23018_status = init_mcp23018();
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__attribute__((weak)) void matrix_init_kb(void) { matrix_init_user(); }
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__attribute__((weak)) void matrix_scan_kb(void) { matrix_scan_user(); }
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inline uint8_t matrix_rows(void) { return MATRIX_ROWS; }
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inline uint8_t matrix_cols(void) { return MATRIX_COLS; }
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void matrix_init(void) {
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// initialize row and col
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mcp23018_status = init_mcp23018();
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unselect_rows();
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init_cols();
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// initialize matrix state: all keys off
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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matrix[i] = 0;
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raw_matrix[i] = 0;
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}
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debounce_init(MATRIX_ROWS);
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matrix_init_quantum();
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}
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void matrix_power_up(void) {
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mcp23018_status = init_mcp23018();
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unselect_rows();
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init_cols();
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// initialize matrix state: all keys off
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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matrix[i] = 0;
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}
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unselect_rows();
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init_cols();
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}
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// Reads and stores a row, returning
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// whether a change occurred.
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static inline bool store_raw_matrix_row(uint8_t index) {
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matrix_row_t temp = read_cols(index);
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if (raw_matrix[index] != temp) {
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raw_matrix[index] = temp;
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return true;
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}
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return false;
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matrix_row_t temp = read_cols(index);
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if (raw_matrix[index] != temp) {
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raw_matrix[index] = temp;
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return true;
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}
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return false;
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}
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uint8_t matrix_scan(void) {
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if (mcp23018_status) { // if there was an error
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if (++mcp23018_reset_loop == 0) {
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// if (++mcp23018_reset_loop >= 1300) {
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// since mcp23018_reset_loop is 8 bit - we'll try to reset once in 255 matrix scans
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// this will be approx bit more frequent than once per second
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print("trying to reset mcp23018\n");
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mcp23018_status = init_mcp23018();
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if (mcp23018_status) {
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print("left side not responding\n");
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} else {
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print("left side attached\n");
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ergodox_blink_all_leds();
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bool matrix_scan_custom(matrix_row_t current_matrix[]) {
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if (mcp23018_status) { // if there was an error
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if (++mcp23018_reset_loop == 0) {
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print("trying to reset mcp23018\n");
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mcp23018_status = init_mcp23018();
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if (mcp23018_status) {
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print("left side not responding\n");
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} else {
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print("left side attached\n");
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ergodox_blink_all_leds();
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#ifdef RGB_MATRIX_ENABLE
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rgb_matrix_init(); // re-init driver on reconnect
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rgb_matrix_init(); // re-init driver on reconnect
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#endif
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}
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}
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}
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}
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}
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#ifdef LEFT_LEDS
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mcp23018_status = ergodox_left_leds_update();
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mcp23018_status = ergodox_left_leds_update();
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#endif // LEFT_LEDS
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bool changed = false;
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for (uint8_t i = 0; i < MATRIX_ROWS_PER_SIDE; i++) {
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// select rows from left and right hands
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uint8_t left_index = i;
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uint8_t right_index = i + MATRIX_ROWS_PER_SIDE;
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select_row(left_index);
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select_row(right_index);
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bool changed = false;
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for (uint8_t i = 0; i < MATRIX_ROWS_PER_SIDE; i++) {
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// select rows from left and right hands
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uint8_t left_index = i;
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uint8_t right_index = i + MATRIX_ROWS_PER_SIDE;
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select_row(left_index);
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select_row(right_index);
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// we don't need a 30us delay anymore, because selecting a
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// left-hand row requires more than 30us for i2c.
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changed |= store_raw_matrix_row(left_index);
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changed |= store_raw_matrix_row(right_index);
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changed |= store_raw_matrix_row(left_index);
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changed |= store_raw_matrix_row(right_index);
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unselect_rows();
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}
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unselect_rows();
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}
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debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
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matrix_scan_quantum();
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return 1;
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}
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bool matrix_is_modified(void) // deprecated and evidently not called.
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{
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return true;
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}
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inline bool matrix_is_on(uint8_t row, uint8_t col) { return (matrix[row] & ((matrix_row_t)1 << col)); }
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inline matrix_row_t matrix_get_row(uint8_t row) { return matrix[row]; }
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void matrix_print(void) {
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print("\nr/c 0123456789ABCDEF\n");
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
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phex(row);
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print(": ");
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pbin_reverse16(matrix_get_row(row));
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print("\n");
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}
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}
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uint8_t matrix_key_count(void) {
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uint8_t count = 0;
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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count += bitpop16(matrix[i]);
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}
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return count;
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return changed;
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}
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/* Column pin configuration
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@ -193,42 +124,43 @@ uint8_t matrix_key_count(void) {
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* pin: B5 B4 B3 B2 B1 B0
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*/
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static void init_cols(void) {
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// init on mcp23018
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// not needed, already done as part of init_mcp23018()
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// init on mcp23018
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// not needed, already done as part of init_mcp23018()
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// init on teensy
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// Input with pull-up(DDR:0, PORT:1)
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DDRF &= ~(1 << 7 | 1 << 6 | 1 << 5 | 1 << 4 | 1 << 1 | 1 << 0);
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PORTF |= (1 << 7 | 1 << 6 | 1 << 5 | 1 << 4 | 1 << 1 | 1 << 0);
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// init on teensy
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setPinInputHigh(F0);
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setPinInputHigh(F1);
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setPinInputHigh(F4);
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setPinInputHigh(F5);
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setPinInputHigh(F6);
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setPinInputHigh(F7);
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}
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static matrix_row_t read_cols(uint8_t row) {
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if (row < 7) {
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if (mcp23018_status) { // if there was an error
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return 0;
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if (row < 7) {
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if (mcp23018_status) { // if there was an error
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return 0;
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} else {
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uint8_t data = 0;
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// reading GPIOB (column port) since in mcp23018's sequential mode
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// it is addressed directly after writing to GPIOA in select_row()
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mcp23018_status = i2c_start(I2C_ADDR_READ, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_read_nack(ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status < 0) goto out;
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data = ~((uint8_t)mcp23018_status);
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mcp23018_status = I2C_STATUS_SUCCESS;
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out:
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i2c_stop();
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return data;
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}
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} else {
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uint8_t data = 0;
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// reading GPIOB (column port) since in mcp23018's sequential mode
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// it is addressed directly after writing to GPIOA in select_row()
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mcp23018_status = i2c_start(I2C_ADDR_READ, ERGODOX_EZ_I2C_TIMEOUT);
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if (mcp23018_status) goto out;
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mcp23018_status = i2c_read_nack(ERGODOX_EZ_I2C_TIMEOUT);
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if (mcp23018_status < 0) goto out;
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data = ~((uint8_t)mcp23018_status);
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mcp23018_status = I2C_STATUS_SUCCESS;
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out:
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i2c_stop();
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return data;
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}
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} else {
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/* read from teensy
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* bitmask is 0b11110011, but we want those all
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* in the lower six bits.
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* we'll return 1s for the top two, but that's harmless.
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*/
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/* read from teensy
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* bitmask is 0b11110011, but we want those all
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* in the lower six bits.
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* we'll return 1s for the top two, but that's harmless.
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*/
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return ~((PINF & 0x03) | ((PINF & 0xF0) >> 2));
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}
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return ~((PINF & 0x03) | ((PINF & 0xF0) >> 2));
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}
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}
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/* Row pin configuration
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@ -242,69 +174,64 @@ static matrix_row_t read_cols(uint8_t row) {
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* pin: A0 A1 A2 A3 A4 A5 A6
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*/
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static void unselect_rows(void) {
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// no need to unselect on mcp23018, because the select step sets all
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// the other row bits high, and it's not changing to a different
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// direction
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// no need to unselect on mcp23018, because the select step sets all
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// the other row bits high, and it's not changing to a different
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// direction
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// unselect on teensy
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// Hi-Z(DDR:0, PORT:0) to unselect
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DDRB &= ~(1 << 0 | 1 << 1 | 1 << 2 | 1 << 3);
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PORTB &= ~(1 << 0 | 1 << 1 | 1 << 2 | 1 << 3);
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DDRD &= ~(1 << 2 | 1 << 3);
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PORTD &= ~(1 << 2 | 1 << 3);
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DDRC &= ~(1 << 6);
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PORTC &= ~(1 << 6);
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// unselect on teensy
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setPinInput(B0);
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setPinInput(B1);
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setPinInput(B2);
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setPinInput(B3);
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setPinInput(D2);
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setPinInput(D3);
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setPinInput(C6);
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}
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static void select_row(uint8_t row) {
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if (row < 7) {
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// select on mcp23018
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if (mcp23018_status) { // if there was an error
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// do nothing
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if (row < 7) {
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// select on mcp23018
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if (!mcp23018_status) {
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// set active row low : 0
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// set other rows hi-Z : 1
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mcp23018_status = i2c_start(I2C_ADDR_WRITE, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(GPIOA, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0xFF & ~(1 << row), ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
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out:
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i2c_stop();
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}
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} else {
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// set active row low : 0
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// set other rows hi-Z : 1
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mcp23018_status = i2c_start(I2C_ADDR_WRITE, ERGODOX_EZ_I2C_TIMEOUT);
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if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(GPIOA, ERGODOX_EZ_I2C_TIMEOUT);
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if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0xFF & ~(1 << row), ERGODOX_EZ_I2C_TIMEOUT);
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if (mcp23018_status) goto out;
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out:
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i2c_stop();
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// select on teensy
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// Output low(DDR:1, PORT:0) to select
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switch (row) {
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case 7:
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setPinOutput(B0);
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writePinLow(B0);
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break;
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case 8:
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setPinOutput(B1);
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writePinLow(B1);
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break;
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case 9:
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setPinOutput(B2);
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writePinLow(B2);
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break;
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case 10:
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setPinOutput(B3);
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writePinLow(B3);
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break;
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case 11:
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setPinOutput(D2);
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writePinLow(D2);
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break;
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case 12:
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setPinOutput(D3);
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writePinLow(D3);
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break;
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case 13:
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setPinOutput(C6);
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writePinLow(C6);
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break;
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}
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}
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} else {
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// select on teensy
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// Output low(DDR:1, PORT:0) to select
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switch (row) {
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case 7:
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DDRB |= (1 << 0);
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PORTB &= ~(1 << 0);
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break;
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case 8:
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DDRB |= (1 << 1);
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PORTB &= ~(1 << 1);
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break;
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case 9:
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DDRB |= (1 << 2);
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PORTB &= ~(1 << 2);
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break;
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case 10:
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DDRB |= (1 << 3);
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PORTB &= ~(1 << 3);
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break;
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case 11:
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DDRD |= (1 << 2);
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PORTD &= ~(1 << 2);
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break;
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case 12:
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DDRD |= (1 << 3);
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PORTD &= ~(1 << 3);
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break;
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case 13:
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DDRC |= (1 << 6);
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PORTC &= ~(1 << 6);
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break;
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}
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}
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}
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