diff options
Diffstat (limited to 'keyboards/ergodox_ez/matrix.c')
| -rw-r--r-- | keyboards/ergodox_ez/matrix.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/keyboards/ergodox_ez/matrix.c b/keyboards/ergodox_ez/matrix.c index 8b117166f..d8b708a16 100644 --- a/keyboards/ergodox_ez/matrix.c +++ b/keyboards/ergodox_ez/matrix.c @@ -295,13 +295,13 @@ static matrix_row_t read_cols(uint8_t row) return 0; } else { uint8_t data = 0; - mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(GPIOB); if (mcp23018_status) goto out; - mcp23018_status = i2c_start(I2C_ADDR_READ); if (mcp23018_status) goto out; - data = i2c_read_nack(); - data = ~data; + mcp23018_status = i2c_start(I2C_ADDR_WRITE, 0); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(GPIOB, 0); if (mcp23018_status) goto out; + mcp23018_status = i2c_start(I2C_ADDR_READ, 0); if (mcp23018_status) goto out; + mcp23018_status = i2c_read_nack(0); if (mcp23018_status < 0) goto out; + data = ~((uint8_t)mcp23018_status); out: - i2c_stop(); + i2c_stop(0); return data; } } else { @@ -350,11 +350,11 @@ static void select_row(uint8_t row) } else { // set active row low : 0 // set other rows hi-Z : 1 - mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(GPIOA); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0xFF & ~(1<<row)); if (mcp23018_status) goto out; + mcp23018_status = i2c_start(I2C_ADDR_WRITE, 0); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(GPIOA, 0); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0xFF & ~(1<<row), 0); if (mcp23018_status) goto out; out: - i2c_stop(); + i2c_stop(0); } } else { // select on teensy |