diff options
| -rw-r--r-- | keyboards/ergodox_ez/ergodox_ez.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/keyboards/ergodox_ez/ergodox_ez.c b/keyboards/ergodox_ez/ergodox_ez.c index 8337db6665..8ada551aea 100644 --- a/keyboards/ergodox_ez/ergodox_ez.c +++ b/keyboards/ergodox_ez/ergodox_ez.c @@ -151,6 +151,40 @@ out: return mcp23018_status; } +#ifdef LEFT_LEDS +uint8_t ergodox_left_leds_update(void) { + if (mcp23018_status) { // if there was an error + return mcp23018_status; + } +#define LEFT_LED_1_SHIFT 7 // in MCP23018 port B +#define LEFT_LED_2_SHIFT 6 // in MCP23018 port B +#define LEFT_LED_3_SHIFT 7 // in MCP23018 port A + + // set logical value (doesn't matter on inputs) + // - unused : hi-Z : 1 + // - input : hi-Z : 1 + // - driving : hi-Z : 1 + mcp23018_status = i2c_start(I2C_ADDR_WRITE); + if (mcp23018_status) goto out; + mcp23018_status = i2c_write(OLATA); + if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0b11111111 + & ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT) + ); + 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) + ); + if (mcp23018_status) goto out; + + out: + i2c_stop(); + return mcp23018_status; +} +#endif + + #ifdef ONEHAND_ENABLE __attribute__ ((weak)) // swap-hands action needs a matrix to define the swap |