bool i2c_initialized = 0;
-uint8_t mcp23018_status = 0x20;
+i2c_status_t mcp23018_status = 0x20;
void matrix_init_kb(void) {
// keyboard LEDs (see "PWM on ports OC1(A|B|C)" in "teensy-2-0.md")
// - unused : input : 1
// - input : input : 1
// - driving : output : 0
- mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(IODIRA); if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(0b00111111); if (mcp23018_status) goto out;
- i2c_stop();
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE, 0); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(IODIRA, 0); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(0b00000000, 0); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(0b00111111, 0); if (mcp23018_status) goto out;
+ i2c_stop(0);
// set pull-up
// - unused : on : 1
// - input : on : 1
// - driving : off : 0
- mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(GPPUA); if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(0b00111111); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE, 0); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(GPPUA, 0); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(0b00000000, 0); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(0b00111111, 0); if (mcp23018_status) goto out;
out:
- i2c_stop();
+ i2c_stop(0);
#ifdef LEFT_LEDS
if (!mcp23018_status) mcp23018_status = ergodox_left_leds_update();
// - unused : hi-Z : 1
// - input : hi-Z : 1
// - driving : hi-Z : 1
- mcp23018_status = i2c_start(I2C_ADDR_WRITE);
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE, 0);
if (mcp23018_status) goto out;
- mcp23018_status = i2c_write(OLATA);
+ mcp23018_status = i2c_write(OLATA, 0);
if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b11111111
- & ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT)
- );
+ & ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT),
+ 0);
if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b11111111
& ~(ergodox_left_led_2<<LEFT_LED_2_SHIFT)
- & ~(ergodox_left_led_1<<LEFT_LED_1_SHIFT)
- );
+ & ~(ergodox_left_led_1<<LEFT_LED_1_SHIFT),
+ 0);
if (mcp23018_status) goto out;
out:
- i2c_stop();
+ i2c_stop(0);
return mcp23018_status;
}
#endif