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76 lines
2.1 KiB
76 lines
2.1 KiB
#ifndef OWI_H
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#define OWI_H
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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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#include <stdint.h>
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#define OWI_PORT_P P7
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#define OWI_PORT_PM PM7
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#define OWI_PORT_PU PU7
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#define OWI_PORT_POM POM7
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#define OWI_PIN_MASK (1u << 0)
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/* 먼저 1200us로 고정해서 테스트 */
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#define OWI_BIT_PERIOD_US 1200u
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#define TBIT OWI_BIT_PERIOD_US
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#define TLOW_0 ((TBIT * 3u) / 4u)
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#define TLOW_1 ((TBIT * 1u) / 4u)
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#define TSTOP_LOW (TBIT * 2u)
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#define TIDLE (TBIT * 3u)
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#define TSTART_HOLD 50u
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#define SECURE_HIGH (2u * TBIT)
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#define SECURE_TOGGLE_COUNT 3u
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#define SECURE_TOGGLE_LOW (TBIT / 4u)
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#define SECURE_TOGGLE_HIGH (TBIT / 5u)
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#ifndef RAM_BYTES
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#define RAM_BYTES 3
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#endif
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#define OWI_IO_MAX_BYTES 320u
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typedef struct {
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uint8_t ok;
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uint8_t timeout;
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uint16_t read_len;
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uint8_t data[OWI_IO_MAX_BYTES];
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uint16_t timeout_byte_index;
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uint8_t timeout_bit_index;
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} owi_io_result_t;
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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_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_T_CommandModeRaw(const uint8_t *tx_data, uint8_t tx_len, uint8_t id, owi_io_result_t *r);
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void OWI_CommandModeRaw (const uint8_t *tx_data, uint8_t tx_len, uint8_t id, owi_io_result_t *r);
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void OWI_ReadBytesRaw (int length, uint8_t id, owi_io_result_t *r);
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void OWI_disable(void);
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void GPIO_ForceHighKick(void);
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uint8_t OWI_HasTimeout(void);
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void OWI_ClearTimeout(void);
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uint16_t OWI_GetLastTimeoutByteIndex(void);
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uint8_t OWI_GetLastTimeoutBitIndex(void);
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#endif
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