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1。代码优化。

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MacRsh
2023-12-27 23:47:57 +08:00
parent f4cfebefe1
commit b2c2ff1532
13 changed files with 78 additions and 92 deletions
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13
device/i2c.c
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@@ -18,6 +18,7 @@ static int mr_i2c_bus_open(struct mr_dev *dev)
/* Reset the hold */
i2c_bus->hold = MR_FALSE;
/* Default address is 0x00 and 7-bit */
return ops->configure(i2c_bus, &i2c_bus->config, 0x00, MR_I2C_ADDR_BITS_7);
}
@@ -32,12 +33,12 @@ static int mr_i2c_bus_close(struct mr_dev *dev)
static ssize_t mr_i2c_bus_read(struct mr_dev *dev, int off, void *buf, size_t size, int async)
{
return MR_EIO;
return MR_ENOTSUP;
}
static ssize_t mr_i2c_bus_write(struct mr_dev *dev, int off, const void *buf, size_t size, int async)
{
return MR_EIO;
return MR_ENOTSUP;
}
static ssize_t mr_i2c_bus_isr(struct mr_dev *dev, int event, void *args)
@@ -116,6 +117,7 @@ MR_INLINE int i2c_dev_take_bus(struct mr_i2c_dev *i2c_dev)
return MR_EBUSY;
}
/* If the owner changes, recheck the configuration */
if (i2c_dev != i2c_bus->owner)
{
/* Reconfigure the bus */
@@ -221,7 +223,6 @@ static int mr_i2c_dev_open(struct mr_dev *dev)
{
struct mr_i2c_dev *i2c_dev = (struct mr_i2c_dev *)dev;
/* Allocate FIFO buffers */
return mr_ringbuf_allocate(&i2c_dev->rd_fifo, i2c_dev->rd_bufsz);
}
@@ -229,7 +230,6 @@ static int mr_i2c_dev_close(struct mr_dev *dev)
{
struct mr_i2c_dev *i2c_dev = (struct mr_i2c_dev *)dev;
/* Free FIFO buffers */
mr_ringbuf_free(&i2c_dev->rd_fifo);
return MR_EOK;
}
@@ -246,9 +246,9 @@ static ssize_t mr_i2c_dev_read(struct mr_dev *dev, int off, void *buf, size_t si
if (i2c_dev->config.host_slave == MR_I2C_HOST)
{
/* Send the address of the register that needs to be read */
if (off >= 0)
{
/* Send the address of the register that needs to be read */
i2c_dev_send_addr(i2c_dev, MR_I2C_WR);
i2c_dev_write(i2c_dev, (uint8_t *)&off, (i2c_dev->config.reg_bits >> 3));
}
@@ -284,9 +284,10 @@ static ssize_t mr_i2c_dev_write(struct mr_dev *dev, int off, const void *buf, si
if (i2c_dev->config.host_slave == MR_I2C_HOST)
{
i2c_dev_send_addr(i2c_dev, MR_I2C_WR);
/* Send the address of the register that needs to be written */
if (off >= 0)
{
/* Send the address of the register that needs to be written */
i2c_dev_write(i2c_dev, (uint8_t *)&off, (i2c_dev->config.reg_bits >> 3));
}