#ifndef DS2480_STM32F4_HAL_H
#define DS2480_STM32F4_HAL_H

#include "ds2480.h"
#include "stm32f4xx_hal.h"

#ifdef __cplusplus
extern "C" {
#endif

/** Dedicated UART initialized by the board (clock, RX/TX AF, no IRQ/DMA).
 * tx_port/pin/alternate let prepare generate a real >=2 ms BREAK, including
 * recovery from a lost strong-pullup response. No reset pin is required.
 * GPIO clock must stay enabled. UART must not be used by any other service.
 */
typedef struct {
    UART_HandleTypeDef *uart;
    GPIO_TypeDef *tx_port;
    uint16_t tx_pin;
    uint32_t tx_alternate;
} ds2480_stm32f4_hal;

/** Populate callbacks only; call ds2480_init afterwards to reset/calibrate.
 * Thread/main-loop use only, with running HAL tick and interrupts enabled.
 * UART baud rate is fixed at 9600 8N1; all transfers are single-byte.
 */
ds2480_status ds2480_stm32f4_hal_bind(ds2480_stm32f4_hal *context, ds2480_port *port);

#ifdef __cplusplus
}
#endif
#endif