53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
#include "led_driver.h"
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void LedDriver_WriteBuffer(uint8_t txBuffer[], uint8_t size)
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{
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i2c_master_transfer_t masterXfer;
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masterXfer.slaveAddress = LEFT_LED_DRIVER_ADDRESS_7BIT;
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masterXfer.direction = kI2C_Write;
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masterXfer.subaddress = 0;
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masterXfer.subaddressSize = 0;
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masterXfer.data = txBuffer;
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masterXfer.dataSize = size;
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masterXfer.flags = kI2C_TransferDefaultFlag;
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I2C_MasterTransferBlocking(EXAMPLE_I2C_MASTER_BASEADDR, &masterXfer);
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masterXfer.slaveAddress = RIGHT_LED_DRIVER_ADDRESS_7BIT;
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I2C_MasterTransferBlocking(EXAMPLE_I2C_MASTER_BASEADDR, &masterXfer);
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}
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void LedDriver_WriteRegister(uint8_t reg, uint8_t val)
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{
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uint8_t txBuffer[] = {0, 0};
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txBuffer[0] = reg;
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txBuffer[1] = val;
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LedDriver_WriteBuffer(txBuffer, sizeof(txBuffer));
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}
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void LedDriver_EnableAllLeds()
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{
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PORT_SetPinMux(PORTA, 2U, kPORT_MuxAsGpio);
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gpio_pin_config_t led_config = {
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.pinDirection = kGPIO_DigitalOutput,
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.outputLogic = 0,
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};
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GPIO_PinInit(GPIOA, 2U, &led_config);
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GPIO_SetPinsOutput(GPIOA, 0 << 2U);
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LedDriver_WriteRegister(0xfd, 0x0b); // point to page 9
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LedDriver_WriteRegister(0x0a, 0x01); // set shutdown mode to normal
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LedDriver_WriteRegister(0xfd, 0x00); // point to page 0
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uint8_t i;
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for (i=0x00; i<=0x11; i++) {
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LedDriver_WriteRegister(i, 0xff);
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}
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for (i=0x12; i<=0x23; i++) {
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LedDriver_WriteRegister(i, 0x00);
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}
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for (i=0x24; i<=0xb3; i++) {
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LedDriver_WriteRegister(i, 0xff);
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}
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}
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