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authorJoel Challis <git@zvecr.com>2021-09-08 23:44:18 +0100
committerGitHub <noreply@github.com>2021-09-08 15:44:18 -0700
commit2e0659f7fddd4c872b230c4a7d2e2a5517042414 (patch)
tree3ff74ddb4e604102fe843fcc3f8384f4e4673449 /keyboards/3w6/rev2
parent9c175f180138558748b0b240e76cb04fa11f9927 (diff)
Fixes for recent i2c migrations (#14352)
Diffstat (limited to 'keyboards/3w6/rev2')
-rw-r--r--keyboards/3w6/rev2/matrix.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/keyboards/3w6/rev2/matrix.c b/keyboards/3w6/rev2/matrix.c
index 0fc0322b6e..c47c24e1dc 100644
--- a/keyboards/3w6/rev2/matrix.c
+++ b/keyboards/3w6/rev2/matrix.c
@@ -34,7 +34,7 @@ extern i2c_status_t tca9555_status;
// All address pins of the tca9555 are connected to the ground
// | 0 | 1 | 0 | 0 | A2 | A1 | A0 |
// | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
-#define I2C_ADDR 0b0100000
+#define I2C_ADDR (0b0100000 << 1)
// Register addresses
#define IODIRA 0x06 // i/o direction register
@@ -192,6 +192,7 @@ static matrix_row_t read_cols(uint8_t row) {
// do nothing
return 0;
} else {
+ port0 = ~port0;
// 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.
@@ -247,7 +248,7 @@ static void select_row(uint8_t row) {
default: break;
}
- tca9555_status = i2c_writeReg(I2C_ADDR, OREGP1, &port1, 2, I2C_TIMEOUT);
+ tca9555_status = i2c_writeReg(I2C_ADDR, OREGP1, &port1, 1, 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.
}