diff options
Diffstat (limited to 'keyboards/ergodox_ez/matrix.c')
| -rw-r--r-- | keyboards/ergodox_ez/matrix.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/keyboards/ergodox_ez/matrix.c b/keyboards/ergodox_ez/matrix.c index e10171133..2e95c83b6 100644 --- a/keyboards/ergodox_ez/matrix.c +++ b/keyboards/ergodox_ez/matrix.c @@ -34,7 +34,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #include "util.h" #include "matrix.h" #include QMK_KEYBOARD_H -#include "i2cmaster.h" #ifdef DEBUG_MATRIX_SCAN_RATE #include "timer.h" #endif @@ -70,6 +69,7 @@ static void unselect_rows(void); static void select_row(uint8_t row); static uint8_t mcp23018_reset_loop; +// static uint16_t mcp23018_reset_loop; #ifdef DEBUG_MATRIX_SCAN_RATE uint32_t matrix_timer; @@ -177,6 +177,7 @@ uint8_t matrix_scan(void) { if (mcp23018_status) { // if there was an error if (++mcp23018_reset_loop == 0) { + // if (++mcp23018_reset_loop >= 1300) { // since mcp23018_reset_loop is 8 bit - we'll try to reset once in 255 matrix scans // this will be approx bit more frequent than once per second print("trying to reset mcp23018\n"); @@ -294,13 +295,14 @@ 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, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(GPIOB, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; + 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(); + i2c_stop(ERGODOX_EZ_I2C_TIMEOUT); return data; } } else { @@ -349,11 +351,11 @@ 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, 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(); + i2c_stop(ERGODOX_EZ_I2C_TIMEOUT); } } else { // select on teensy |