26 lines
594 B
C
26 lines
594 B
C
#ifndef __I2C_SOFT_INIT_H__
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#define __I2C_SOFT_INIT_H__
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#include <rtthread.h>
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#include <rtdevice.h>
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#define I2C1_GPIO GPIOB
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#define I2C1_GPIO_SCL GPIO_Pin_6
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#define I2C1_GPIO_SDA GPIO_Pin_7
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#define RCC_I2C RCC_APB2Periph_GPIOB
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int rt_hw_i2c_init(void);
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void stm32_set_sda(void *data, rt_int32_t state);
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void stm32_set_scl(void *data, rt_int32_t state);
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rt_int32_t stm32_get_sda(void *data);
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rt_int32_t stm32_get_scl(void *data);
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void stm32_udelay(rt_uint32_t us);
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void stm32_mdelay(rt_uint32_t ms);
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static void RCC_Configuration(void);
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static void GPIO_Configuration(void);
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#endif
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