提交 daf70305 编写于 作者: A Annie_wang

update docs

Signed-off-by: NAnnie_wang <annie.wangli@huawei.com>
上级 87feb56e
......@@ -11,7 +11,7 @@ The GPIO APIs define a set of standard functions for performing operations on GP
- Reading and writing the pin level, which can be low or high
- Setting an interrupt service routine (ISR) function and interrupt trigger mode for a pin
- Setting the interrupt service routine (ISR) function and interrupt trigger mode for a pin
- Enabling or disabling pin interrupts
......@@ -70,7 +70,9 @@ The method for determining the GPIO pin number varies depending on the GPIO cont
- Set the GPIO pin direction.
Before performing read/write operations on a GPIO pin, call **GpioSetDir()** to set the pin direction.
```c
int32_t GpioSetDir(uint16_t gpio, uint16_t dir);
```
**Table 2** Description of GpioSetDir
......@@ -86,7 +88,9 @@ The method for determining the GPIO pin number varies depending on the GPIO cont
Call **GpioRead()** to read the level of a GPIO pin.
int32_t GpioRead(uint16_t gpio, uint16_t \*val);
```c
int32_t GpioRead(uint16_t gpio, uint16_t *val);
```
**Table 3** Description of GpioRead
......@@ -100,7 +104,9 @@ The method for determining the GPIO pin number varies depending on the GPIO cont
Call **GpioWrite()** to write the level for a GPIO pin.
```c
int32_t GpioWrite(uint16_t gpio, uint16_t val);
```
**Table 4** Description of GpioWrite
......@@ -144,7 +150,9 @@ The method for determining the GPIO pin number varies depending on the GPIO cont
Call **GpioSetIrq()** to set the ISR function for a GPIO pin.
int32_t GpioSetIrq(uint16_t gpio, uint16_t mode, GpioIrqFunc func, void \*arg);
```c
int32_t GpioSetIrq(uint16_t gpio, uint16_t mode, GpioIrqFunc func, void *arg);
```
**Table 5** Description of GpioSetIrq
......@@ -163,7 +171,9 @@ The method for determining the GPIO pin number varies depending on the GPIO cont
If the ISR function is no longer required, call **GpioUnsetIrq()** to cancel it.
int32_t GpioUnsetIrq(uint16_t gpio, void \*arg);
```c
int32_t GpioUnsetIrq(uint16_t gpio, void *arg);
```
**Table 6** Description of GpioUnsetIrq
......@@ -177,7 +187,9 @@ The method for determining the GPIO pin number varies depending on the GPIO cont
After the ISR function is set, call **GpioEnableIrq()** to enable interrupts for the GPIO pin.
```c
int32_t GpioEnableIrq(uint16_t gpio);
```
**Table 7** Description of GpioEnableIrq
......@@ -193,7 +205,9 @@ The method for determining the GPIO pin number varies depending on the GPIO cont
You can call **GpioDisableIrq** to disable interrupts for the pin.
```c
int32_t GpioDisableIrq(uint16_t gpio);
```
**Table 8** Description of GpioDisableIrq
......
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