27 lines
647 B
C
27 lines
647 B
C
#ifndef __I2C_SW_MASTER_H__
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#define __I2C_SW_MASTER_H__
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#include "rom/ets_sys.h"
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#define I2C_NUM_MAX 1
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void i2c_sw_master_gpio_init(uint8_t sda, uint8_t scl);
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void i2c_sw_master_init(void);
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#define i2c_sw_master_wait ets_delay_us
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void i2c_sw_master_stop(void);
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void i2c_sw_master_start(void);
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void i2c_sw_master_setAck(uint8_t level);
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uint8_t i2c_sw_master_getAck(void);
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uint8_t i2c_sw_master_readByte(void);
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void i2c_sw_master_writeByte(uint8_t wrdata);
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bool i2c_sw_master_checkAck(void);
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void i2c_sw_master_send_ack(void);
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void i2c_sw_master_send_nack(void);
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uint8_t i2c_sw_master_get_pinSDA();
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uint8_t i2c_sw_master_get_pinSCL();
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#endif
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