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48 lines
1.7 KiB
48 lines
1.7 KiB
11 hours ago
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#include "r_cg_macrodriver.h"
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#include "r_cg_serial.h"
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#include "r_cg_port.h"
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// OWI에 사용할 핀 정의 (P70)
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#define OWI_PORT_P P7 // 포트 출력 레지스터
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#define OWI_PORT_PM PM7 // 포트 방향 (1: 입력, 0: 출력)
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#define OWI_PORT_PU PU7 // 내부 풀업
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#define OWI_PORT_POM POM7 // Open-drain 설정
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#define OWI_PIN_MASK (1 << 0) // P70 = bit 0
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#define OWI_BIT_PERIOD_US 100
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#define TBIT OWI_BIT_PERIOD_US
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#define TLOW_0 (TBIT * 0.75) // 75us
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#define TLOW_1 (TBIT * 0.25) // 225us
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#define TSTOP_LOW (TBIT * 2) // 600us
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#define TIDLE (TBIT * 3) // 900us
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#define TSTART_HOLD 50 // ≥25us 기준으로 50us 확보
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#define SECURE_HIGH 250
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#define SECURE_TOGGLE_COUNT 3
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#define SECURE_TOGGLE_LOW 40
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#define SECURE_TOGGLE_HIGH 60
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static uint32_t bit_period_us = 100; // 기본 OWI 비트 시간
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void OWI_EnablePower(void);
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void OWI_DisablePower(void);
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void GPIO_Clear(void);
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void GPIO_Input(void);
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int GPIO_Read(void);
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void OWI_Init(uint32_t bit_time_us);
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void OWI_Start(void);
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void OWI_Stop(void);
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void OWI_SecureStop(void);
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void OWI_WriteBit(int bit);
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void OWI_WriteByte(uint8_t data);
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uint8_t OWI_ReadBit(void);
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uint8_t OWI_ReadByte(void);
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void OWI_T_ReadBytesAndPrint(int length);
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void OWI_ReadBytesAndPrint(int length, uint8_t id);
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void OWI_T_CommandMode(const uint8_t *tx_data, uint8_t tx_len, uint8_t id);
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void OWI_A_CommandMode(const uint8_t *tx_data, uint8_t tx_len, uint8_t id);
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void owi_write_coefficients(void);
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void OWI_CommandMode(const uint8_t *tx_data, uint8_t tx_len, uint8_t id);
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void OWI_disable();
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void OWI_Diagnostic(uint8_t id);
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