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pca9685_driver.h
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pca9685_driver.h
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/*
* pca9685_driver.h - Driver for PCA9685 16-channel LED driver chips over I2C bus
*
* Author: Dan Green (danngreen1@gmail.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* See http://creativecommons.org/licenses/MIT/ for more information.
*
* -----------------------------------------------------------------------------
*/
#ifndef LED_DRIVER_H_
#define LED_DRIVER_H_
/* I2C peripheral configuration defines (control interface of the audio codec) */
#define LEDDRIVER_I2C I2C1
#define LEDDRIVER_I2C_CLK RCC_APB1Periph_I2C1
#define LEDDRIVER_I2C_GPIO_CLOCK RCC_AHB1Periph_GPIOB
#define LEDDRIVER_I2C_GPIO_AF GPIO_AF_I2C1
#define LEDDRIVER_I2C_GPIO GPIOB
#define LEDDRIVER_I2C_SCL_PIN GPIO_Pin_8
#define LEDDRIVER_I2C_SDA_PIN GPIO_Pin_9
#define LEDDRIVER_I2S_SCL_PINSRC GPIO_PinSource8
#define LEDDRIVER_I2S_SDA_PINSRC GPIO_PinSource9
#define I2C1_SPEED 400000
#define PCA9685_MODE1 0x00 // location for Mode1 register address
#define PCA9685_MODE2 0x01 // location for Mode2 reigster address
#define PCA9685_LED0 0x06 // location for start of LED0 registers
#define PRE_SCALE_MODE 0xFE //location for setting prescale (clock speed)
#define PCA9685_I2C_BASE_ADDRESS 0b10000000
#define LEDDRIVER_FLAG_TIMEOUT ((uint32_t)0x1000)
#define LEDDRIVER_LONG_TIMEOUT ((uint32_t)(300 * LEDDRIVER_FLAG_TIMEOUT))
void LEDDriver_set_LED_ring(uint16_t ring[20][3], uint16_t env_out[6][3]);
void LEDDriver_setallLEDs(uint8_t driverAddr, uint32_t rgb1, uint32_t rgb2, uint32_t rgb3, uint32_t rgb4, uint32_t rgb5);
void LEDDriver_setLED(uint8_t driverAddr, uint8_t led_number, uint16_t ontime, uint16_t offtime);
void LEDDriver_setRGBLED(uint8_t led_number, uint32_t rgb);
void LEDDriver_Init(uint8_t numdrivers);
uint32_t LEDDriver_writeregister(uint8_t driverAddr, uint8_t RegisterAddr, uint8_t RegisterValue);
#endif /* LED_DRIVER_H_ */