Changeset 7741545b in rtems


Ignore:
Timestamp:
Jun 5, 2017, 12:49:49 PM (3 years ago)
Author:
Sichen Zhao <1473996754@…>
Branches:
master
Children:
8f550d2
Parents:
fd10817
git-author:
Sichen Zhao <1473996754@…> (06/05/17 12:49:49)
git-committer:
Joel Sherrill <joel@…> (06/14/17 16:47:58)
Message:

Remove beagle old i2c code

modify c/src/lib/libbsp/arm/beagle/Makefile.am
modify c/src/lib/libbsp/arm/beagle/include/i2c.h
delete c/src/lib/libbsp/arm/beagle/misc/i2c.c

Location:
c/src/lib/libbsp/arm/beagle
Files:
1 deleted
2 edited

Legend:

Unmodified
Added
Removed
  • c/src/lib/libbsp/arm/beagle/Makefile.am

    rfd10817 r7741545b  
    115115
    116116# I2C
    117 libbsp_a_SOURCES += misc/i2c.c
    118117
    119118# GPIO
  • c/src/lib/libbsp/arm/beagle/include/i2c.h

    rfd10817 r7741545b  
    181181};
    182182
    183 static unsigned short wait_for_pin( void );
    184 
    185 static void wait_for_bb( void );
    186 
    187 static void flush_fifo( void );
    188 
    189 void i2c_init( int speed, int slaveadd );
    190 
    191 static int i2c_read_byte(
    192   unsigned char devaddr,
    193   unsigned char regoffset,
    194   unsigned char *value
    195 );
    196 
    197 int i2c_write(
    198   unsigned char chip,
    199   unsigned int addr,
    200   int alen,
    201   unsigned char *buffer,
    202   int len
    203 );
    204 
    205 int i2c_read(
    206   unsigned char chip,
    207   uint addr,
    208   int alen,
    209   unsigned char *buffer,
    210   int len
    211 );
    212 
    213 static int imw ( unsigned char  chip, unsigned long addr, unsigned char byte );
    214 
    215 static int imd( unsigned char chip, unsigned int addr, unsigned int length );
    216 
    217 /**
    218  * @brief Initializes the I2C module @a i2c.
    219  *
    220  * Valid @a clock_in_hz values are 100000 and 400000.
    221  *
    222  * @retval RTEMS_SUCCESSFUL Successful operation.
    223  * @retval RTEMS_INVALID_ID Invalid @a i2c value.
    224  * @retval RTEMS_INVALID_CLOCK Invalid @a clock_in_hz value.
    225  */
    226 rtems_status_code beagle_i2c_init(
    227   volatile beagle_i2c *i2c,
    228   unsigned clock_in_hz
    229 );
    230 
    231 /**
    232  * @brief Resets the I2C module @a i2c.
    233  */
    234 void beagle_i2c_reset(volatile beagle_i2c *i2c);
    235 
    236 /**
    237  * @brief Sets the I2C module @a i2c clock.
    238  *
    239  * Valid @a clock_in_hz values are 100000 and 400000.
    240  *
    241  * @retval RTEMS_SUCCESSFUL Successful operation.
    242  * @retval RTEMS_INVALID_CLOCK Invalid @a clock_in_hz value.
    243  */
    244 rtems_status_code beagle_i2c_clock(
    245   volatile beagle_i2c *i2c,
    246   unsigned clock_in_hz
    247 );
    248 
    249 /**
    250  * @brief Starts a write transaction on the I2C module @a i2c.
    251  *
    252  * The address parameter @a addr must not contain the read/write bit.
    253  *
    254  * The error status may be delayed to the next
    255  * beagle_i2c_write_with_optional_stop() due to controller flaws.
    256  *
    257  * @retval RTEMS_SUCCESSFUL Successful operation.
    258  * @retval RTEMS_IO_ERROR Received a NACK from the slave.
    259  */
    260 rtems_status_code beagle_i2c_write_start(
    261   volatile beagle_i2c *i2c,
    262   unsigned addr
    263 );
    264 
    265 /**
    266  * @brief Writes data via the I2C module @a i2c with optional stop.
    267  *
    268  * The error status may be delayed to the next
    269  * beagle_i2c_write_with_optional_stop() due to controller flaws.
    270  *
    271  * @retval RTEMS_SUCCESSFUL Successful operation.
    272  * @retval RTEMS_IO_ERROR Received a NACK from the slave.
    273  */
    274 rtems_status_code beagle_i2c_write_with_optional_stop(
    275   volatile beagle_i2c *i2c,
    276   const uint8_t *out,
    277   size_t n,
    278   bool stop
    279 );
    280 
    281 /**
    282  * @brief Starts a read transaction on the I2C module @a i2c.
    283  *
    284  * The address parameter @a addr must not contain the read/write bit.
    285  *
    286  * The error status may be delayed to the next
    287  * beagle_i2c_read_with_optional_stop() due to controller flaws.
    288  *
    289  * @retval RTEMS_SUCCESSFUL Successful operation.
    290  * @retval RTEMS_IO_ERROR Received a NACK from the slave.
    291  */
    292 rtems_status_code beagle_i2c_read_start(
    293   volatile beagle_i2c *i2c,
    294   unsigned addr
    295 );
    296 
    297 /**
    298  * @brief Reads data via the I2C module @a i2c with optional stop.
    299  *
    300  * @retval RTEMS_SUCCESSFUL Successful operation.
    301  * @retval RTEMS_IO_ERROR Received a NACK from the slave.
    302  * @retval RTEMS_NOT_IMPLEMENTED Stop is @a false.
    303  */
    304 rtems_status_code beagle_i2c_read_with_optional_stop(
    305   volatile beagle_i2c *i2c,
    306   uint8_t *in,
    307   size_t n,
    308   bool stop
    309 );
    310 
    311 /**
    312  * @brief Writes and reads data via the I2C module @a i2c.
    313  *
    314  * This will be one bus transaction.
    315  *
    316  * @retval RTEMS_SUCCESSFUL Successful operation.
    317  * @retval RTEMS_IO_ERROR Received a NACK from the slave.
    318  */
    319 rtems_status_code beagle_i2c_write_and_read(
    320   volatile beagle_i2c *i2c,
    321   unsigned addr,
    322   const uint8_t *out,
    323   size_t out_size,
    324   uint8_t *in,
    325   size_t in_size
    326 );
    327 
    328 /**
    329  * @brief Writes data via the I2C module @a i2c.
    330  *
    331  * This will be one bus transaction.
    332  *
    333  * @retval RTEMS_SUCCESSFUL Successful operation.
    334  * @retval RTEMS_IO_ERROR Received a NACK from the slave.
    335  */
    336 static inline rtems_status_code beagle_i2c_write(
    337   volatile beagle_i2c *i2c,
    338   unsigned addr,
    339   const uint8_t *out,
    340   size_t out_size
    341 )
    342 {
    343   return beagle_i2c_write_and_read(i2c, addr, out, out_size, NULL, 0);
    344 }
    345 
    346 /**
    347  * @brief Reads data via the I2C module @a i2c.
    348  *
    349  * This will be one bus transaction.
    350  *
    351  * @retval RTEMS_SUCCESSFUL Successful operation.
    352  * @retval RTEMS_IO_ERROR Received a NACK from the slave.
    353  */
    354 static inline rtems_status_code beagle_i2c_read(
    355   volatile beagle_i2c *i2c,
    356   unsigned addr,
    357   uint8_t *in,
    358   size_t in_size
    359 )
    360 {
    361   return beagle_i2c_write_and_read(i2c, addr, NULL, 0, in, in_size);
    362 }
    363 
    364183#ifdef __cplusplus
    365184}
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