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Fix a few typos.

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This commit is contained in:
Gregory Nutt 2017-11-28 13:40:07 -06:00
parent 472fa0cf20
commit 1338360ff7
2 changed files with 13 additions and 18 deletions
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6
drivers/input/nunchuck.c
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@ -559,11 +559,11 @@ static int nunchuck_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
* Name: nunchuck_register * Name: nunchuck_register
* *
* Description: * Description:
* Register the composite character driver as the specific device. * Register the Nunchuck character driver as the specified device.
* *
* Input Parameters: * Input Parameters:
* devname - The name of the analog joystick device to be registers. * devname - The name of the Nunchuck joystick device to be registered.
* This should be a string of the form "/priv/nunchuckN" where N is the * This should be a string of the form "/dev/nunchuckN" where N is the
* minor device number. * minor device number.
* i2c - An instance of the platform-specific I2C connected to Nunchuck. * i2c - An instance of the platform-specific I2C connected to Nunchuck.
* *

25
include/nuttx/input/nunchuck.h
View File

@ -57,8 +57,8 @@
* Pre-processor Definitions * Pre-processor Definitions
****************************************************************************/ ****************************************************************************/
#define NUNCHUCK_ADDR 0x52 /* Nunchuck at address 0x52 */ #define NUNCHUCK_ADDR 0x52 /* Nunchuck at address 0x52 */
#define NUNCHUCK_I2C_FREQ 100000 /* 100Khz */ #define NUNCHUCK_I2C_FREQ 100000 /* 100Khz */
/* Joystick Interface *******************************************************/ /* Joystick Interface *******************************************************/
/* These definitions provide the meaning of all of the bits that may be /* These definitions provide the meaning of all of the bits that may be
@ -94,12 +94,7 @@
* state of all joystick buttons. read() never blocks. X an Y position * state of all joystick buttons. read() never blocks. X an Y position
* data is raw converted data. Zeroing and scaling must be performed by * data is raw converted data. Zeroing and scaling must be performed by
* the application. * the application.
* 2) The poll() method can be used to notify a client if there is a change * 2) The ioctl() method supports the commands documented below:
* in any of the joystick button inputs. NOTE: that semantics of poll() for
* POLLIN are atypical: The successful poll means that the button data has
* changed and has nothing to with the availability of data to be read;
* data is always available to be read.
* 3) The ioctl() method supports the commands documented below:
*/ */
/* Command: NUNCHUCKIOC_SUPPORTED /* Command: NUNCHUCKIOC_SUPPORTED
@ -136,14 +131,14 @@ struct nunchuck_sample_s
nunchuck_buttonset_t nck_buttons; /* State of all buttons */ nunchuck_buttonset_t nck_buttons; /* State of all buttons */
/* Possibly padded with 1 byte here */ /* Possibly padded with 1 byte here */
int16_t js_x; /* X/horizontal position */ int16_t js_x; /* X/horizontal position */
int16_t js_y; /* Y/vertical position */ int16_t js_y; /* Y/vertical position */
/* Specific of the Nunchuck */ /* Specific of the Nunchuck */
int8_t acc_x; /* Accelerometer X */ int8_t acc_x; /* Accelerometer X */
int8_t acc_y; /* Accelerometer Y */ int8_t acc_y; /* Accelerometer Y */
int8_t acc_z; /* Accelerometer Z */ int8_t acc_z; /* Accelerometer Z */
}; };
/**************************************************************************** /****************************************************************************
@ -166,10 +161,10 @@ extern "C"
* Name: nunchuck_register * Name: nunchuck_register
* *
* Description: * Description:
* Register the composite character driver as the specified device. * Register the Nunchuck character driver as the specified device.
* *
* Input Parameters: * Input Parameters:
* devname - The name of the analog joystick device to be registered. * devname - The name of the Nunchuck joystick device to be registered.
* This should be a string of the form "/dev/nunchuckN" where N is the * This should be a string of the form "/dev/nunchuckN" where N is the
* minor device number. * minor device number.
* i2c - An instance of the platform-specific I2C connected to Nunchuck. * i2c - An instance of the platform-specific I2C connected to Nunchuck.