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增加连续读写指令. 

Signed-off-by: rick.chan <chenyang@autoai.com>
This commit is contained in:
rick.chan 2021-06-03 09:23:55 +08:00
parent df43ef7be9
commit dc37112389
1 changed files with 5 additions and 1 deletions
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6
Software/Applications/I2C/Linux_下_I2C_工具.md
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@ -22,6 +22,10 @@ i2cset -f -y <bus num> <dev addr> <reg addr> <value>...[c/b/w/i/s]
i2cget -f -y <bus num> <dev addr> [reg addr[b/w/c]] i2cget -f -y <bus num> <dev addr> [reg addr[b/w/c]]
# Dump I2C 设备寄存器 # Dump I2C 设备寄存器
i2cdump -f -y <bus num> <dev addr> [b/w/W/s/i/c] i2cdump -f -y <bus num> <dev addr> [b/w/W/s/i/c]
# 连续读写
i2ctransfer -f -y <bus num> {r|w}<length_of_message>[@address]
# 示例：连续写
i2ctransfer -f -y 3 w6@0x1a 0x80 0x01 0x00 0x00 0x00 0x82
``` ```
## 3.i2cdetect ## 3.i2cdetect
@ -53,7 +57,7 @@ Each cell in the output table will contain one of the following symbols:
**Options:** **Options:**
* **-y** * **-y**
Disable interactive mode. By default, i2cdetect will wait for a confirmation from the user before messing with the I2C bus. When this flag is used, it will perform the operation directly. This is mainly meant to be used in scripts. Disable interactive mode. By default, i2cdetect will wait for a confirmation from the user before messing with the I2C bus. When this flag is used, it will perform the operation directly. This is mainly meant to be used in scripts.
* **-a** * **-a**