firmware/tpi.h

   1 /**
   2  * \brief Header for tpi
   3  * \file tpi.h
   4  * \author S³awomir Fra\9c
   5  */
   6 #ifndef __TPI_H__
   7 #define __TPI_H__
   8 #include <stdint.h>
   9
  10
  11 /* Globals */
  12 /** Number of iterations in tpi_delay loop */
  13 extern uint16_t tpi_dly_cnt;
  14
  15
  16 /* Functions */
  17 /**
  18  * TPI init
  19  */
  20 void tpi_init(void);
  21 /**
  22  * Send raw byte by TPI
  23  * \param b Byte to send
  24  */
  25 void tpi_send_byte(uint8_t b);
  26 /**
  27  * Receive one raw byte from TPI
  28  * \return Received byte
  29  */
  30 uint8_t tpi_recv_byte(void);
  31 /**
  32  * Read block
  33  * \param addr Address of block
  34  * \param dptr Pointer to dest memory block
  35  * \param len Length of read
  36  */
  37 void tpi_read_block(uint16_t addr, uint8_t* dptr, uint8_t len);
  38 /**
  39  * Write block
  40  * \param addr Address to program
  41  * \param sptr Pointer to source block
  42  * \param len Length of write
  43  */
  44 void tpi_write_block(uint16_t addr, const uint8_t* sptr, uint8_t len);
  45
  46
  47 #endif /*__TPI_H__*/