Extract LED driver related functions to led_driver.[ch]

right/src/led_driver.c

@@ -0,0 +1,52 @@
+#include "led_driver.h"
+
+void LedDriver_WriteBuffer(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 LedDriver_WriteRegister(uint8_t reg, uint8_t val)
+{
+    uint8_t txBuffer[] = {0, 0};
+    txBuffer[0] = reg;
+    txBuffer[1] = val;
+    LedDriver_WriteBuffer(txBuffer, sizeof(txBuffer));
+}
+
+void LedDriver_EnableAllLeds()
+{
+    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);
+
+    LedDriver_WriteRegister(0xfd, 0x0b); // point to page 9
+    LedDriver_WriteRegister(0x0a, 0x01); // set shutdown mode to normal
+    LedDriver_WriteRegister(0xfd, 0x00); // point to page 0
+
+    uint8_t i;
+    for (i=0x00; i<=0x11; i++) {
+        LedDriver_WriteRegister(i, 0xff);
+    }
+    for (i=0x12; i<=0x23; i++) {
+        LedDriver_WriteRegister(i, 0x00);
+    }
+    for (i=0x24; i<=0xb3; i++) {
+        LedDriver_WriteRegister(i, 0xff);
+    }
+}

right/src/led_driver.h

@@ -0,0 +1,19 @@
+#ifndef __LED_DRIVER_H__
+#define __LED_DRIVER_H__
+
+// Includes:
+
+#include "fsl_gpio.h"
+#include "fsl_port.h"
+
+    #include "fsl_i2c.h"
+    #include "i2c.h"
+    #include "i2c_addresses.h"
+
+// Macros:
+
+    extern void LedDriver_WriteBuffer(uint8_t txBuffer[], uint8_t size);
+    extern void LedDriver_WriteRegister(uint8_t reg, uint8_t val);
+    extern void LedDriver_EnableAllLeds();
+
+#endif

right/src/main.c

@@ -4,61 +4,9 @@
 #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 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();
@@ -70,7 +18,7 @@ void main() {
     sourceClock = CLOCK_GetFreq(I2C_MASTER_CLK_SRC);
     I2C_MasterInit(EXAMPLE_I2C_MASTER_BASEADDR, &masterConfig, sourceClock);
 
-    InitLedDisplay();
+    LedDriver_EnableAllLeds();
     InitUsb();
 
     while (1);

right/src/usb_interface_mouse.c

@@ -3,7 +3,6 @@
 #include "usb_interface_mouse.h"
 #include "fsl_i2c.h"
 #include "i2c.h"
-#include "main.h"
 
 static usb_device_endpoint_struct_t UsbMouseEndpoints[USB_MOUSE_ENDPOINT_COUNT] = {{
     USB_MOUSE_ENDPOINT_INDEX | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT),