[Keyboard] Update spiderisland/split78 (#11990)
* [Keyboard] spiderisland/split78: add MCP23018 reset code Now, communication with the right side gets re-established after unplugging it and plugging it back in. * [Keyboard] spiderisland/split78: configure debouncing I've been experiencing particularly bad bounce on the 'A' key. Also, update maintainer github username
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4 changed files with 18 additions and 3 deletions
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@ -33,3 +33,5 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#define BACKLIGHT_PIN D4
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#define BACKLIGHT_LEVELS 3
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#define BACKLIGHT_BREATHING
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#define DEBOUNCE 50
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@ -105,9 +105,17 @@ void matrix_init_custom(void) {
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}
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static i2c_status_t mcp23018_status = I2C_STATUS_SUCCESS;
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bool matrix_scan_custom(matrix_row_t current_matrix[]) {
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bool matrix_has_changed = false;
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#if defined(RIGHT_HALF)
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if (mcp23018_status != I2C_STATUS_SUCCESS) {
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mcp23018_status = mcp23018_init();
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}
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#endif
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
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// Store last value of row prior to reading
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matrix_row_t last_row_value = current_matrix[row];
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@ -124,7 +132,9 @@ bool matrix_scan_custom(matrix_row_t current_matrix[]) {
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// as 0x75 would be no keys pressed
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uint8_t data = 0x7F;
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// Receive the columns from right half
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i2c_receive(TWI_ADDR_WRITE, &data, 1, I2C_TIMEOUT);
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if (mcp23018_status == I2C_STATUS_SUCCESS) {
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mcp23018_status = i2c_receive(TWI_ADDR_WRITE, &data, 1, I2C_TIMEOUT);
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}
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#endif
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cols |= ((~(PINA | 0x80)) & 0x7F);
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@ -146,7 +156,9 @@ void matrix_set_row_status(uint8_t row) {
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//Set the remote row on port A
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txdata[0] = (GPIOA);
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txdata[1] = ( 0xFF & ~(1<<row) );
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i2c_transmit(TWI_ADDR_WRITE, (uint8_t *)txdata, 2, I2C_TIMEOUT);
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if (mcp23018_status == I2C_STATUS_SUCCESS) {
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mcp23018_status = i2c_transmit(TWI_ADDR_WRITE, (uint8_t *)txdata, 2, I2C_TIMEOUT);
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}
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#endif
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//Set the local row on port B
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@ -9,7 +9,7 @@ It is mistakenly called "87 key" on the AliExpress title and "104 key" (?!) in t
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This port is based on the `split75` port which was mostly done by [Michael L. Walker](https://github.com/walkerstop).
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* Keyboard Maintainer: [unrelenting.technology](https://github.com/myfreeweb)
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* Keyboard Maintainer: [unrelenting.technology](https://github.com/unrelentingtech)
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* Hardware Availability: https://a.aliexpress.com/_dVJsSpR
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Make example for this keyboard (after setting up your build environment):
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@ -17,6 +17,7 @@ SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
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BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
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RGBLIGHT_ENABLE = no # Enable keyboard RGB underglow
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WS2812_DRIVER = i2c
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DEBOUNCE_TYPE = sym_eager_pr
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# custom matrix setup
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CUSTOM_MATRIX = lite
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