VolCtrl/inc/board.h

#ifndef __BOARD_H
#define __BOARD_H

/* Public macros ------------------------------------------------------------*/
/* MACROs for SET, RESET or TOGGLE Output port */
#define GPIO_HIGH(a,b)    a->ODR |= b
#define GPIO_LOW(a,b)     a->ODR &= ~b
#define GPIO_TOGGLE(a,b)  a->ODR ^= b

/* Public define ------------------------------------------------------------*/
#define TDA7448_I2C_WRADDR  0x88
#define TDA7448_SUB_ADDR    0x10
#define TDA7448_MIN_VOL     79
#define TDA7448_MUTE        0xC0

#define I2C_PORT          GPIOB
#define I2C_SCL           GPIO_PIN_4
#define I2C_SDA           GPIO_PIN_5

#define ENC_PORT          GPIOC
#define ENC_PIN_BTN       GPIO_PIN_4
#define ENC_PINA          GPIO_PIN_6
#define ENC_PINB          GPIO_PIN_7
#define ENC_PIN_ALL       (GPIO_PIN_4 | GPIO_PIN_6 | GPIO_PIN_7)
#define TIM1_PERIOD       0xFFFF
// 320
#define TIM1_ENC_FILTR    0x30
// ^^^ RM0016 p.201
#define TIM1_ENC_MODE     0x03
// ^^^ TIM1_ENCODERMODE_TI12
#define BTN_SCAN_PERIOD   50
#define BTN_NOSCAN_MS     200

#define IR_BTN_POWER      7
#define IR_BTN_MUTE       8
#define IR_BTN_VOLP       1
#define IR_BTN_VOLM       2
#define IR_THRESHOLD      4

#endif /* __BOARD_H */

/* Public typedef ------------------------------------------------------------*/
typedef struct {
  uint8_t code; // pult code
  uint8_t key; // key number
  uint8_t seq; // sequence
} ir_btn_t;