Make the left keyboard half send the state of the keys to the right half via I2C and make the right half send the relevant scancodes to the host via USB.

left/src/init_peripherials.c

@@ -0,0 +1,36 @@
+#include "fsl_common.h"
+#include "fsl_port.h"
+#include "test_led.h"
+#include "i2c_addresses.h"
+#include "fsl_i2c.h"
+#include "fsl_clock.h"
+#include "i2c.h"
+
+void InitI2c() {
+    port_pin_config_t pinConfig = {
+        .pullSelect = kPORT_PullUp,
+    };
+
+    i2c_master_config_t masterConfig;
+    I2C_MasterGetDefaultConfig(&masterConfig);
+    uint32_t sourceClock;
+
+    // Initialize main bus
+
+    CLOCK_EnableClock(I2C_BUS_SDA_CLOCK);
+    CLOCK_EnableClock(I2C_BUS_SCL_CLOCK);
+
+    pinConfig.mux = I2C_BUS_MUX;
+    PORT_SetPinConfig(I2C_BUS_SDA_PORT, I2C_BUS_SDA_PIN, &pinConfig);
+    PORT_SetPinConfig(I2C_BUS_SCL_PORT, I2C_BUS_SCL_PIN, &pinConfig);
+
+    masterConfig.baudRate_Bps = I2C_BUS_BAUD_RATE;
+    sourceClock = CLOCK_GetFreq(I2C_BUS_CLK_SRC);
+    I2C_MasterInit(I2C_BUS_BASEADDR, &masterConfig, sourceClock);
+}
+
+void InitPeripherials(void)
+{
+    InitTestLed();
+    InitI2c();
+}