sergiotarxz/nuttx
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Cosmetic clean-up of comments

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This commit is contained in:
Gregory Nutt 2016-01-24 08:21:55 -06:00
parent d87f7e99d2
commit 564a1ce606
4 changed files with 8 additions and 9 deletions
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4
drivers/net/encx24j600.c
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@ -248,9 +248,7 @@ struct enc_driver_s
WDOG_ID txpoll; /* TX poll timer */ WDOG_ID txpoll; /* TX poll timer */
WDOG_ID txtimeout; /* TX timeout timer */ WDOG_ID txtimeout; /* TX timeout timer */
/* If we don't own the SPI bus, then we cannot do SPI accesses from the /* Avoid SPI accesses from the interrupt handler by using the work queue */
* interrupt handler.
*/
struct work_s irqwork; /* Interrupt continuation work queue support */ struct work_s irqwork; /* Interrupt continuation work queue support */
struct work_s towork; /* Tx timeout work queue support */ struct work_s towork; /* Tx timeout work queue support */

2
drivers/wireless/nrf24l01.c
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@ -1277,7 +1277,7 @@ int nrf24l01_init(FAR struct nrf24l01_dev_s *dev)
CHECK_ARGS(dev); CHECK_ARGS(dev);
nrf24l01_lock(dev->spi); nrf24l01_lock(dev->spi);
/* Configure the SPI parameters now (if we own the bus) */ /* Configure the SPI parameters before communicating */
nrf24l01_configspi(dev->spi); nrf24l01_configspi(dev->spi);

4
drivers/wireless/pn532.c
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@ -154,9 +154,7 @@ static void pn532_unlock(FAR struct spi_dev_s *spi)
static inline void pn532_configspi(FAR struct spi_dev_s *spi) static inline void pn532_configspi(FAR struct spi_dev_s *spi)
{ {
/* Configure SPI for the PN532 module. /* Configure SPI for the PN532 module. */
* As we own the SPI bus this method is called just once.
*/
SPI_SETMODE(spi, SPIDEV_MODE0); SPI_SETMODE(spi, SPIDEV_MODE0);
SPI_SETBITS(spi, -8); SPI_SETBITS(spi, -8);

7
include/nuttx/spi/spi.h
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@ -52,13 +52,16 @@
* Pre-processor Definitions * Pre-processor Definitions
****************************************************************************/ ****************************************************************************/
/* Configuration ************************************************************/ /* Configuration ************************************************************/
/* CONFIG_SPI_EXCHANGE - Driver supports a single exchange method /* These SPI configuration options affect the form of the SPI interface:
*
* CONFIG_SPI_EXCHANGE - Driver supports a single exchange method
* (vs a recvblock() and sndblock ()methods). * (vs a recvblock() and sndblock ()methods).
* CONFIG_SPI_HWFEATURES - Support special, hardware-specific SPI features.
* CONFIG_SPI_CMDDATA - Devices on the SPI bus require out-of-band support * CONFIG_SPI_CMDDATA - Devices on the SPI bus require out-of-band support
* to distinguish command transfers from data transfers. Such devices * to distinguish command transfers from data transfers. Such devices
* will often support either 9-bit SPI (yech) or 8-bit SPI and a GPIO * will often support either 9-bit SPI (yech) or 8-bit SPI and a GPIO
* output that selects between command and data. * output that selects between command and data.
* CONFIG_SPI_HWFEATURES - Include an interface method to support special,
* hardware-specific SPI features.
*/ */
/* Access macros ************************************************************/ /* Access macros ************************************************************/