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Diffstat (limited to 'keyboards/handwired/frenchdev/matrix.c')
-rw-r--r--keyboards/handwired/frenchdev/matrix.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/keyboards/handwired/frenchdev/matrix.c b/keyboards/handwired/frenchdev/matrix.c
index 7fe3d0bbf..4263555e9 100644
--- a/keyboards/handwired/frenchdev/matrix.c
+++ b/keyboards/handwired/frenchdev/matrix.c
@@ -40,7 +40,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "util.h"
#include "matrix.h"
#include "frenchdev.h"
-#include "i2cmaster.h"
#ifdef DEBUG_MATRIX_SCAN_RATE
#include "timer.h"
#endif
@@ -280,11 +279,12 @@ 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_readNak();
- data = ~data;
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE, I2C_TIMEOUT); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(GPIOB, I2C_TIMEOUT); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_start(I2C_ADDR_READ, I2C_TIMEOUT); if (mcp23018_status) goto out;
+ data = i2c_read_nack(I2C_TIMEOUT); if (mcp23018_status < 0) goto out;
+ data = ~((uint8_t)mcp23018_status);
+ mcp23018_status = I2C_STATUS_SUCCESS;
out:
i2c_stop();
return data;
@@ -318,11 +318,9 @@ static void unselect_rows(void)
// do nothing
} else {
// set all 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
- & ~(0<<8)
- ); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE, I2C_TIMEOUT); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(GPIOA, I2C_TIMEOUT); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write( 0xFF & ~(0<<8), I2C_TIMEOUT); if (mcp23018_status) goto out;
out:
i2c_stop();
}
@@ -346,11 +344,9 @@ 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)
- & ~(0<<8)
- ); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE, I2C_TIMEOUT); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(GPIOA, I2C_TIMEOUT); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write( 0xFF & ~(1<<row) & ~(0<<8), I2C_TIMEOUT); if (mcp23018_status) goto out;
out:
i2c_stop();
}
@@ -393,4 +389,3 @@ static void select_row(uint8_t row)
}
}
}
-