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Extract LED driver related functions to led_driver.[ch]

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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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52
right/src/led_driver.c Normal file
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#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);
}
}