diff options
Diffstat (limited to 'nuttx/arch/z80/src/z8/z8_i2c.c')
| -rw-r--r-- | nuttx/arch/z80/src/z8/z8_i2c.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/nuttx/arch/z80/src/z8/z8_i2c.c b/nuttx/arch/z80/src/z8/z8_i2c.c index 59cd2fc2b..6239ad25b 100644 --- a/nuttx/arch/z80/src/z8/z8_i2c.c +++ b/nuttx/arch/z80/src/z8/z8_i2c.c @@ -160,7 +160,7 @@ static void i2c_semtake(void) static void i2c_waittxempty(void) { - int i; + int i; for (i = 0; i < 10000 && (I2CSTAT & I2C_STAT_TDRE) == 0; i++); } @@ -178,7 +178,7 @@ static void i2c_waittxempty(void) * ****************************************************************************/ -static void i2c_waitrxavail(void) +static void i2c_waitrxavail(void) { int i; for (i = 0; i <= 10000 && (I2CSTAT & (I2C_STAT_RDRF | I2C_STAT_NCKI)) == 0; i++); @@ -365,7 +365,7 @@ static int i2c_write(FAR struct i2c_dev_s *dev, const uint8_t *buffer, int bufle I2CD = I2C_WRITEADDR8(priv->addr); I2CCTL |= I2C_CTL_START; - + /* Wait for the xmt buffer to become empty */ i2c_waittxempty(); @@ -385,7 +385,7 @@ static int i2c_write(FAR struct i2c_dev_s *dev, const uint8_t *buffer, int bufle * the last bit.. Hmmm. If this true then we will never be * able to send more than one data byte??? */ - + if (count == 1) { I2CCTL |= I2C_CTL_STOP; @@ -470,7 +470,7 @@ static int i2c_read(FAR struct i2c_dev_s *dev, uint8_t *buffer, int buflen) /* Retry as necessary to receive the whole message */ - for (retry = 0; retry < 100; retry++) + for (retry = 0; retry < 100; retry++) { /* Load the address into the transmit register. It is not sent * until the START bit is set. @@ -481,7 +481,7 @@ static int i2c_read(FAR struct i2c_dev_s *dev, uint8_t *buffer, int buflen) /* If we want only a single byte of data, then set the NACK * bit now. */ - + I2CCTL |= I2C_CTL_NAK; /* The START bit begins the transaction */ @@ -553,7 +553,7 @@ static int i2c_read(FAR struct i2c_dev_s *dev, uint8_t *buffer, int buflen) * Description: * Initialize the selected I2C port. And return a unique instance of struct * struct i2c_dev_s. This function may be called to obtain multiple - * instances of the interface, each of which may be set up with a + * instances of the interface, each of which may be set up with a * different frequency and slave address. * * Input Parameter: @@ -567,7 +567,7 @@ static int i2c_read(FAR struct i2c_dev_s *dev, uint8_t *buffer, int buflen) FAR struct i2c_dev_s *up_i2cinitialize(int port) { FAR struct z8_i2cdev_s *i2c; - + if (!g_initialized) { /* Set up some initial BRG value */ @@ -578,7 +578,7 @@ FAR struct i2c_dev_s *up_i2cinitialize(int port) /* Make sure that GPIOs are configured for the alternate function (this * varies with silicon revisions). */ - + PAADDR = 0x02; PACTL |= 0xc0; @@ -603,4 +603,4 @@ FAR struct i2c_dev_s *up_i2cinitialize(int port) } return (FAR struct i2c_dev_s *)i2c; -} +} |