diff options
Diffstat (limited to 'keyboards/ergodox_ez/matrix.c')
| -rw-r--r-- | keyboards/ergodox_ez/matrix.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/keyboards/ergodox_ez/matrix.c b/keyboards/ergodox_ez/matrix.c index e84a5e2bd3..28bee05779 100644 --- a/keyboards/ergodox_ez/matrix.c +++ b/keyboards/ergodox_ez/matrix.c @@ -146,13 +146,8 @@ static matrix_row_t read_cols(uint8_t row) { uint8_t data = 0; // reading GPIOB (column port) since in mcp23018's sequential mode // it is addressed directly after writing to GPIOA in select_row() - mcp23018_status = i2c_start(I2C_ADDR_READ, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; - mcp23018_status = i2c_read_nack(ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status < 0) goto out; - data = ~((uint8_t)mcp23018_status); - mcp23018_status = I2C_STATUS_SUCCESS; - out: - i2c_stop(); - return data; + mcp23018_status = i2c_receive(I2C_ADDR, &data, 1, ERGODOX_EZ_I2C_TIMEOUT); + return ~data; } } else { /* read from teensy @@ -196,11 +191,9 @@ static void select_row(uint8_t row) { if (!mcp23018_status) { // set active row low : 0 // set other rows hi-Z : 1 - mcp23018_status = i2c_start(I2C_ADDR_WRITE, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(GPIOA, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0xFF & ~(1 << row), ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; - out: - i2c_stop(); + uint8_t data; + data = 0xFF & ~(1 << row); + mcp23018_status = i2c_writeReg(I2C_ADDR, GPIOA, &data, 1, ERGODOX_EZ_I2C_TIMEOUT); } } else { // select on teensy |