summaryrefslogtreecommitdiffstats
path: root/keyboards/ergodox_ez/matrix.c
diff options
context:
space:
mode:
Diffstat (limited to 'keyboards/ergodox_ez/matrix.c')
-rw-r--r--keyboards/ergodox_ez/matrix.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/keyboards/ergodox_ez/matrix.c b/keyboards/ergodox_ez/matrix.c
index 8b117166fb..d8b708a163 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