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| author | Drashna Jaelre <drashna@live.com> | 2021-09-07 18:53:55 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-09-08 02:53:55 +0100 |
| commit | 0b8d6df39037e58b6b699332d2bbbc448889c6b2 (patch) | |
| tree | 1723c566c0bd5888a2fbc7a006a1e9bf0318b4bc /keyboards/3w6 | |
| parent | 60c5bd7b5e0e75f48d9731118b92a3add3342efd (diff) | |
| download | qmk_firmware-0b8d6df39037e58b6b699332d2bbbc448889c6b2.tar.gz qmk_firmware-0b8d6df39037e58b6b699332d2bbbc448889c6b2.zip | |
[Keyboard] Fix issues with 3w6 rev2 matrix (#14346)
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 4df161b89..0fc0322b6 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) { | |||
| 187 | } else { | 187 | } else { |
| 188 | uint8_t data = 0; | 188 | uint8_t data = 0; |
| 189 | uint8_t port0 = 0; | 189 | uint8_t port0 = 0; |
| 190 | tca9555_status = i2c_readReg(I2C_ADDR, IREGP0, port0, 1, I2C_TIMEOUT); | 190 | tca9555_status = i2c_readReg(I2C_ADDR, IREGP0, &port0, 1, I2C_TIMEOUT); |
| 191 | if (tca9555_status) { // if there was an error | 191 | if (tca9555_status) { // if there was an error |
| 192 | // do nothing | 192 | // do nothing |
| 193 | return 0; | 193 | return 0; |
| 194 | } else { | 194 | } else { |
| 195 | uint8_t port0 = ports[0]; | ||
| 196 | uint8_t port1 = ports[1]; | ||
| 197 | |||
| 198 | // We read all the pins on GPIOA. | 195 | // We read all the pins on GPIOA. |
| 199 | // 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. | 196 | // 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. |
| 200 | // 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. | 197 | // 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. |
| 201 | // 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). | 198 | // 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). |
| 202 | data |= ( port0 & 0x01 ) << 4; | 199 | data |= (port0 & 0x01) << 4; |
| 203 | data |= ( port0 & 0x02 ) << 2; | 200 | data |= (port0 & 0x02) << 2; |
| 204 | data |= ( port0 & 0x04 ); | 201 | data |= (port0 & 0x04); |
| 205 | data |= ( port0 & 0x08 ) >> 2; | 202 | data |= (port0 & 0x08) >> 2; |
| 206 | data |= ( port0 & 0x10 ) >> 4; | 203 | data |= (port0 & 0x10) >> 4; |
| 207 | 204 | ||
| 208 | tca9555_status = I2C_STATUS_SUCCESS; | 205 | tca9555_status = I2C_STATUS_SUCCESS; |
| 209 | return data; | 206 | return data; |
| @@ -244,11 +241,13 @@ static void select_row(uint8_t row) { | |||
| 244 | case 4: port1 &= ~(1 << 0); break; | 241 | case 4: port1 &= ~(1 << 0); break; |
| 245 | case 5: port1 &= ~(1 << 1); break; | 242 | case 5: port1 &= ~(1 << 1); break; |
| 246 | case 6: port1 &= ~(1 << 2); break; | 243 | case 6: port1 &= ~(1 << 2); break; |
| 247 | case 7: port0 &= ~(1 << 5); break; | 244 | case 7: |
| 245 | port1 &= ~(1 << 3); | ||
| 246 | break; | ||
| 248 | default: break; | 247 | default: break; |
| 249 | } | 248 | } |
| 250 | 249 | ||
| 251 | tca9555_status = i2c_writeReg(I2C_ADDR, OREGP1, port1, 2, I2C_TIMEOUT); | 250 | tca9555_status = i2c_writeReg(I2C_ADDR, OREGP1, &port1, 2, I2C_TIMEOUT); |
| 252 | // 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. | 251 | // 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. |
| 253 | // 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. | 252 | // 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. |
| 254 | } | 253 | } |
