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docs: i2c comments

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IOsetting 2022-02-04 02:11:22 +08:00
parent d924c2dc1d
commit 20f6c22f22
1 changed files with 7 additions and 4 deletions
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11
include/fw_i2c.h
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@ -28,11 +28,14 @@ typedef enum
{
I2C_MasterCmd_Wait = 0x00, // Wait, idle
I2C_MasterCmd_Start = 0x01, // START
I2C_MasterCmd_Send = 0x02, // Send data
I2C_MasterCmd_RxAck = 0x03, // Recive Ack
I2C_MasterCmd_Send = 0x02, /* Send data. This command will generate 8 clocks on SCL, and
send I2CTXD to SDA bit by bit from MSB */
I2C_MasterCmd_RxAck = 0x03, /* Recive Ack. This command will generate 1 clock on SCL, and
save the received bit to MSACKI（I2CMSST.1) */
I2C_MasterCmd_Recv = 0x04, // Recive data
I2C_MasterCmd_TxAck = 0x05, // Send Ack
I2C_MasterCmd_Stop = 0x06, // STOP
I2C_MasterCmd_TxAck = 0x05, /* Send Ack. This command will generate 1 clock on SCL, and
write the value of MSACKO（I2CMSST.0） to SDA */
I2C_MasterCmd_Stop = 0x06, // STOP. This command will send STOP signal, and reset MSBUSY flag
I2C_MasterCmd_StartSendRxAck = 0x09, // START + Send data + RxAck
I2C_MasterCmd_SendRxAck = 0x0A, // Send data + RxAck
I2C_MasterCmd_RecvTxAck0 = 0x0B, // Receive data + TxAck(0)