diff options
Diffstat (limited to 'nuttx/configs/mcu123-lpc214x/src/up_spi.c')
| -rw-r--r-- | nuttx/configs/mcu123-lpc214x/src/up_spi.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/nuttx/configs/mcu123-lpc214x/src/up_spi.c b/nuttx/configs/mcu123-lpc214x/src/up_spi.c index f517939c4..210f3d736 100644 --- a/nuttx/configs/mcu123-lpc214x/src/up_spi.c +++ b/nuttx/configs/mcu123-lpc214x/src/up_spi.c @@ -4,8 +4,6 @@ * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * - * This logic emulates the Prolific PL2303 serial/USB converter - * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -90,7 +88,7 @@ static void spi_select(FAR struct spi_dev_s *dev, enum spidev_e devid, boolean selected); static uint32 spi_setfrequency(FAR struct spi_dev_s *dev, uint32 frequency); -static ubyte spi_status(FAR struct spi_dev_s *dev); +static ubyte spi_status(FAR struct spi_dev_s *dev, enum spidev_e devid); static ubyte spi_sndbyte(FAR struct spi_dev_s *dev, ubyte ch); static void spi_sndblock(FAR struct spi_dev_s *dev, FAR const ubyte *buffer, size_t buflen); static void spi_recvblock(FAR struct spi_dev_s *dev, FAR ubyte *buffer, size_t buflen); @@ -183,7 +181,8 @@ static void spi_select(FAR struct spi_dev_s *dev, enum spidev_e devid, boolean s * Set the SPI frequency. * * Input Parameters: - * frequency: The SPI frequency requested + * dev - Device-specific state data + * frequency - The SPI frequency requested * * Returned Value: * Returns the actual frequency selected @@ -215,14 +214,15 @@ static uint32 spi_setfrequency(FAR struct spi_dev_s *dev, uint32 frequency) * Get SPI/MMC status * * Input Parameters: - * None + * dev - Device-specific state data + * devid - Identifies the device to report status on * * Returned Value: * Returns a bitset of status values (see SPI_STATUS_* defines * ****************************************************************************/ -static ubyte spi_status(FAR struct spi_dev_s *dev) +static ubyte spi_status(FAR struct spi_dev_s *dev, enum spidev_e devid) { /* I don't think there is anyway to determine these things on the mcu123.com * board. @@ -238,7 +238,8 @@ static ubyte spi_status(FAR struct spi_dev_s *dev) * Send one byte on SPI * * Input Parameters: - * ch - the byte to send + * dev - Device-specific state data + * ch - The byte to send * * Returned Value: * response @@ -271,6 +272,7 @@ static ubyte spi_sndbyte(FAR struct spi_dev_s *dev, ubyte ch) * Send a block of data on SPI * * Input Parameters: + * dev - Device-specific state data * buffer - A pointer to the buffer of data to be sent * buflen - the length of data to send from the buffer * @@ -335,6 +337,7 @@ static void spi_sndblock(FAR struct spi_dev_s *dev, FAR const ubyte *buffer, siz * Revice a block of data from SPI * * Input Parameters: + * dev - Device-specific state data * buffer - A pointer to the buffer in which to recieve data * buflen - the length of data that can be received in the buffer * |