Make the LED driver power every LED at full blast.

right/main.c

@@ -3,10 +3,63 @@
 #include "include/board/board.h"
 #include "include/board/pin_mux.h"
 #include "usb_composite_device.h"
+#include "i2c.h"
 #include "main.h"
+#include "fsl_common.h"
+#include "fsl_port.h"
 
-void main(void)
+void tx(uint8_t txBuffer[], uint8_t size)
 {
+    i2c_master_transfer_t masterXfer;
+    masterXfer.slaveAddress = LEFT_LED_DRIVER_ADDRESS_7BIT;
+    masterXfer.direction = kI2C_Write;
+    masterXfer.subaddress = 0;
+    masterXfer.subaddressSize = 0;
+    masterXfer.data = txBuffer;
+    masterXfer.dataSize = size;
+    masterXfer.flags = kI2C_TransferDefaultFlag;
+    I2C_MasterTransferBlocking(EXAMPLE_I2C_MASTER_BASEADDR, &masterXfer);
+    masterXfer.slaveAddress = RIGHT_LED_DRIVER_ADDRESS_7BIT;
+    I2C_MasterTransferBlocking(EXAMPLE_I2C_MASTER_BASEADDR, &masterXfer);
+}
+
+void write(uint8_t reg, uint8_t val)
+{
+    uint8_t txBuffer[] = {0, 0};
+    txBuffer[0] = reg;
+    txBuffer[1] = val;
+    tx(txBuffer, sizeof(txBuffer));
+}
+
+void InitLedDisplay()
+{
+    PORT_SetPinMux(PORTA, 2U, kPORT_MuxAsGpio);
+
+    gpio_pin_config_t led_config = {
+        .pinDirection = kGPIO_DigitalOutput,
+        .outputLogic = 0,
+    };
+
+    GPIO_PinInit(GPIOA, 2U, &led_config);
+    GPIO_SetPinsOutput(GPIOA,   0 << 2U);
+
+    write(0xfd, 0x0b); // point to page 9
+    write(0x0a, 0x01); // set shutdown mode to normal
+    write(0xfd, 0x00); // point to page 0
+
+    uint8_t i;
+    for (i=0x00; i<=0x11; i++) {
+        write(i, 0xff);
+    }
+    for (i=0x12; i<=0x23; i++) {
+        write(i, 0x00);
+    }
+    for (i=0x24; i<=0xb3; i++) {
+        write(i, 0xff);
+    }
+}
+
+void main() {
     BOARD_InitPins();
     BOARD_BootClockRUN();
     BOARD_InitDebugConsole();
@@ -18,6 +71,7 @@ void main(void)
     sourceClock = CLOCK_GetFreq(I2C_MASTER_CLK_SRC);
     I2C_MasterInit(EXAMPLE_I2C_MASTER_BASEADDR, &masterConfig, sourceClock);
 
+    InitLedDisplay();
     InitUsb();
 
     while (1);