diff options
Diffstat (limited to 'keyboards/handwired/frenchdev/frenchdev.c')
| -rw-r--r-- | keyboards/handwired/frenchdev/frenchdev.c | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/keyboards/handwired/frenchdev/frenchdev.c b/keyboards/handwired/frenchdev/frenchdev.c index 6eed4de5ff..65f1ccce4b 100644 --- a/keyboards/handwired/frenchdev/frenchdev.c +++ b/keyboards/handwired/frenchdev/frenchdev.c @@ -83,23 +83,16 @@ uint8_t init_mcp23018(void) { // - unused : input : 1 // - input : input : 1 // - driving : output : 0 - mcp23018_status = i2c_start(I2C_ADDR_WRITE, I2C_TIMEOUT); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(IODIRA, I2C_TIMEOUT); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0b00000000, I2C_TIMEOUT); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0b00111111, I2C_TIMEOUT); if (mcp23018_status) goto out; - i2c_stop(); - - // set pull-up - // - unused : on : 1 - // - input : on : 1 - // - driving : off : 0 - mcp23018_status = i2c_start(I2C_ADDR_WRITE, I2C_TIMEOUT); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(GPPUA, I2C_TIMEOUT); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0b00000000, I2C_TIMEOUT); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0b00111111, I2C_TIMEOUT); if (mcp23018_status) goto out; - -out: - i2c_stop(); + uint8_t data[] = {0b00000000, 0b00111111}; + mcp23018_status = i2c_writeReg(I2C_ADDR, IODIRA, data, sizeof(data), I2C_TIMEOUT); + + if (!mcp23018_status) { + // set pull-up + // - unused : on : 1 + // - input : on : 1 + // - driving : off : 0 + mcp23018_status = i2c_writeReg(I2C_ADDR, GPPUA, data, sizeof(data), I2C_TIMEOUT); + } // SREG=sreg_prev; |