diff options
Diffstat (limited to 'keyboards/3w6')
| -rw-r--r-- | keyboards/3w6/rev2/matrix.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/keyboards/3w6/rev2/matrix.c b/keyboards/3w6/rev2/matrix.c index 4df161b898..0fc0322b6e 100644 --- a/keyboards/3w6/rev2/matrix.c +++ b/keyboards/3w6/rev2/matrix.c @@ -187,23 +187,20 @@ static matrix_row_t read_cols(uint8_t row) { } else { uint8_t data = 0; uint8_t port0 = 0; - tca9555_status = i2c_readReg(I2C_ADDR, IREGP0, port0, 1, I2C_TIMEOUT); + tca9555_status = i2c_readReg(I2C_ADDR, IREGP0, &port0, 1, I2C_TIMEOUT); if (tca9555_status) { // if there was an error // do nothing return 0; } else { - uint8_t port0 = ports[0]; - uint8_t port1 = ports[1]; - // We read all the pins on GPIOA. // The initial state was all ones and any depressed key at a given column for the currently selected row will have its bit flipped to zero. // The return value is a row as represented in the generic matrix code were the rightmost bits represent the lower columns and zeroes represent non-depressed keys while ones represent depressed keys. // the pins connected to eact columns are sequential, but in reverse order, and counting from zero down (col 5 -> GPIO04, col6 -> GPIO03 and so on). - data |= ( port0 & 0x01 ) << 4; - data |= ( port0 & 0x02 ) << 2; - data |= ( port0 & 0x04 ); - data |= ( port0 & 0x08 ) >> 2; - data |= ( port0 & 0x10 ) >> 4; + data |= (port0 & 0x01) << 4; + data |= (port0 & 0x02) << 2; + data |= (port0 & 0x04); + data |= (port0 & 0x08) >> 2; + data |= (port0 & 0x10) >> 4; tca9555_status = I2C_STATUS_SUCCESS; return data; @@ -244,11 +241,13 @@ static void select_row(uint8_t row) { case 4: port1 &= ~(1 << 0); break; case 5: port1 &= ~(1 << 1); break; case 6: port1 &= ~(1 << 2); break; - case 7: port0 &= ~(1 << 5); break; + case 7: + port1 &= ~(1 << 3); + break; default: break; } - tca9555_status = i2c_writeReg(I2C_ADDR, OREGP1, port1, 2, I2C_TIMEOUT); + tca9555_status = i2c_writeReg(I2C_ADDR, OREGP1, &port1, 2, I2C_TIMEOUT); // Select the desired row by writing a byte for the entire GPIOB bus where only the bit representing the row we want to select is a zero (write instruction) and every other bit is a one. // Note that the row - MATRIX_ROWS_PER_SIDE reflects the fact that being on the right hand, the columns are numbered from MATRIX_ROWS_PER_SIDE to MATRIX_ROWS, but the pins we want to write to are indexed from zero up on the GPIOB bus. } |