drashna/qmk_firmware
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refactor, non-working

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This commit is contained in:
Jack Humbert 2018-06-22 21:26:30 -04:00
parent 76e0d23887
commit 6380f83190
9 changed files with 186 additions and 154 deletions
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20
keyboards/ergodox_ez/matrix.c
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@ -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