Imagelibrary/rt-thread
1
0
Fork 0
mirror of https://github.com/RT-Thread/rt-thread.git synced 2025-12-28 18:10:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

rt_device_write/read return data type as rt_ssize_t

Browse Source 
rt_ssize_t can give negative error code, which follows the unix style correctly
This commit is contained in:
Meco Man
2023-02-05 18:35:33 -05:00
committed by Man, Jianting (Meco)
parent 890c1c9264
commit f58d3c5200
308 changed files with 671 additions and 685 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
bsp/microchip/common/board/sam_gmac.c
View File

@@ -111,14 +111,14 @@ static rt_err_t rt_sam_eth_close(rt_device_t dev)
return RT_EOK;
}
static rt_size_t rt_sam_eth_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
static rt_ssize_t rt_sam_eth_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
{
LOG_D("gmac read");
rt_set_errno(-RT_ENOSYS);
return 0;
}
static rt_size_t rt_sam_eth_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
static rt_ssize_t rt_sam_eth_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
{
LOG_D("gmac write");
rt_set_errno(-RT_ENOSYS);

8
bsp/microchip/common/board/sam_i2c.c
View File

@@ -30,10 +30,10 @@ static struct sam_i2c_bus sam_i2c0 =
.device_name = I2CBUS_NAME,
};
static rt_size_t sam_i2c_master_xfer(struct rt_i2c_bus_device *bus,
static rt_ssize_t sam_i2c_master_xfer(struct rt_i2c_bus_device *bus,
struct rt_i2c_msg msgs[],
rt_uint32_t num);
static rt_size_t sam_i2c_slave_xfer(struct rt_i2c_bus_device *bus,
static rt_ssize_t sam_i2c_slave_xfer(struct rt_i2c_bus_device *bus,
struct rt_i2c_msg msgs[],
rt_uint32_t num);
static rt_err_t sam_i2c_bus_control(struct rt_i2c_bus_device *bus,
@@ -62,7 +62,7 @@ static inline void sam_i2c_update_control(struct rt_i2c_msg *src,
dest->flags |= I2C_M_SEVEN;
}
static rt_size_t sam_i2c_master_xfer(struct rt_i2c_bus_device *bus,
static rt_ssize_t sam_i2c_master_xfer(struct rt_i2c_bus_device *bus,
struct rt_i2c_msg msgs[],
rt_uint32_t num)
{
@@ -82,7 +82,7 @@ static rt_size_t sam_i2c_master_xfer(struct rt_i2c_bus_device *bus,
return i;
}
static rt_size_t sam_i2c_slave_xfer(struct rt_i2c_bus_device *bus,
static rt_ssize_t sam_i2c_slave_xfer(struct rt_i2c_bus_device *bus,
struct rt_i2c_msg msgs[],
rt_uint32_t num)
{