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Extract LED driver related functions to led_driver.[ch]

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This commit is contained in:
László Monda
2016-09-26 20:28:12 +02:00
parent 9e3d512e89
commit b280fde8a5
6 changed files with 72 additions and 54 deletions
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0
include/i2c.h → include/i2c_addresses.h
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0
right/src/main.h → right/src/i2c.h
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52
right/src/led_driver.c Normal file
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@@ -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);
}
}

19
right/src/led_driver.h Normal file
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@@ -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

54
right/src/main.c
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@@ -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);

1
right/src/usb_interface_mouse.c
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@@ -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),