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加速度センサセカンドベンダのI2C不具合ワークアラウンド追加 git-svn-id: file:///Volumes/Transfer/gigaleak_20231201/2020-05-23%20-%20ctr.7z%20+%20svn_v1.068.zip/ctr/svn/ctr_mcu@378 013db118-44a6-b54f-8bf7-843cb86687b1
41 lines
967 B
C
41 lines
967 B
C
#ifndef __ic2_mcu__
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#define __ic2_mcu__
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// ========================================================
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typedef enum{
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I2C_ERR_OK = 0,
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I2C_ERR_NAK,
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I2C_ERR_NOSLAVE,
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I2C_ERR_TIMEOUT,
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I2C_ERR_UNDEF = 0xFF
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}i2c_err;
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// ========================================================
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extern volatile bit iic_mcu_busy;
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extern bit iic_mcu_wo_dma;
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extern i2c_err iic_mcu_result;
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// ========================================================
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i2c_err iic_mcu_read( u8 SLA, u8 adrs, u8 len, u8 * dest );
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u8 iic_mcu_read_a_byte( u8 SLA, u8 adrs );
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i2c_err iic_mcu_write( u8 SLA, u8 adrs, u8 len, void * src );
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i2c_err iic_mcu_write_a_byte( u8 SLA, u8 adrs, u8 dat );
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i2c_err iic_mcu_write_a_byte_codec( u8 adrs, u8 dat ); // codecバグ回避機能付き
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// ↓その通信が完了したら解除されます。
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#define iic_mcu_set_wo_dma() { while( iic_mcu_busy ){;} iic_mcu_wo_dma = true; }
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void iic_mcu_start( );
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void iic_mcu_stop( );
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#endif
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