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  1. #ifndef TINIBIOS_H
  2.  
  3. #define TINIBIOS_H
  4.  
  5. #include <ds80c390.h>
  6. #include <time.h>
  7.  
  8. void Serial0Init (unsigned long baud, unsigned char buffered);
  9. char Serial0GetChar(void);
  10. void Serial0PutChar(char);
  11. char Serial0CharArrived(void);
  12. void Serial0Baud(unsigned long baud);
  13. void Serial0SendBreak(void);
  14. void Serial0Flush(void);
  15.  
  16. void Serial0SwitchToBuffered(void); /* ds400 only. */
  17.  
  18. void Serial1Init (unsigned long baud, unsigned char buffered);
  19. char Serial1GetChar(void);
  20. void Serial1PutChar(char);
  21. char Serial1CharArrived(void);
  22. void Serial1Baud(unsigned long baud);
  23. void Serial1SendBreak(void);
  24. void Serial1Flush(void);
  25.  
  26. unsigned long ClockTicks();
  27. void ClockMilliSecondsDelay(unsigned long ms);
  28. void ClockMicroSecondsDelay(unsigned int us);
  29.  
  30. #define SERIAL_0_BAUD 115200L
  31. #define SERIAL_1_BAUD 9600L
  32.  
  33. /* these need to be binary numbers */
  34. #define SERIAL_0_RECEIVE_BUFFER_SIZE 1024
  35. #define SERIAL_1_RECEIVE_BUFFER_SIZE 64
  36.  
  37. /* I know someone is fooling with the crystals */
  38. #if defined(SDCC_ds400)
  39. # define OSCILLATOR 14745600L
  40. #else
  41. # define OSCILLATOR 18432000L
  42. #endif
  43.  
  44. /* Set the cpu speed in clocks per machine cycle, valid values are:
  45.    1024: Divide-by-1024 (power management) mode (screws ALL timers and serial)
  46.       4: Standard 8051 divide-by-4 mode
  47.       2: Use 2x xtal multiplier
  48.       1: Use 4x xtal multiplier (Don't do this with a TINI at 18.432MHz)
  49. */
  50. #define CPU_SPEED 2
  51. void CpuSpeed(unsigned int speed);
  52.  
  53. /* The MOVX stretch cycles, see datasheet */
  54. #define CPU_MOVX_STRETCH 0x01
  55.  
  56. /* from rtc390.c */
  57. #define HAVE_RTC
  58. unsigned char RtcRead(struct tm *rtcDate);
  59. void RtcWrite(struct tm *rtcDate);
  60.  
  61. /* from lcd390.c */
  62. extern void LcdInit(void);
  63. extern void LcdOn(void);
  64. extern void LcdOff(void);
  65. extern void LcdClear(void);
  66. extern void LcdHome(void);
  67. extern void LcdGoto(unsigned int collumnRow);
  68. extern void LcdPutChar(char c);
  69. extern void LcdPutString(char *string);
  70. extern void LcdLPutString(unsigned int collumnRow, char *string);
  71. extern void LcdPrintf(const char *format, ...) __reentrant;
  72. extern void LcdLPrintf(unsigned int collumnRow, const char *format, ...) __reentrant;
  73.  
  74. /* from i2c390.c */
  75. #define I2C_BUFSIZE 128
  76. extern char I2CReset(void);
  77. extern char I2CStart(void);
  78. extern char I2CStop(void);
  79. extern char I2CSendStop(char addr, char count,
  80.                         char send_stop);
  81. extern char I2CReceive(char addr, char count);
  82. extern char I2CSendReceive(char addr, char tx_count,
  83.                            char rx_count);
  84. /*extern char I2CByteOut(char);*/
  85. /*extern void I2CDumpError(char);*/
  86.  
  87. /* global transfer buffers */
  88. extern char i2cTransmitBuffer[I2C_BUFSIZE];
  89. extern char i2cReceiveBuffer[I2C_BUFSIZE];
  90.  
  91. /* Macro for normal send transfer ending with a stop condition */
  92. #define I2CSend(addr, count)   I2CSendStop(addr, count, 1)
  93.  
  94.  
  95. /* internal functions used by tinibios.c */
  96. unsigned char _sdcc_external_startup(void);
  97. void Serial0IrqHandler (void) __interrupt 4;
  98. void Serial1IrqHandler (void) __interrupt 7;
  99.  
  100. #if !defined(SDCC_ds400)
  101. void ClockInit();
  102. void ClockIrqHandler (void) __interrupt 1 __naked;
  103. #endif
  104.  
  105. #if defined(SDCC_ds400)
  106. /* functions for dealing with the ds400 ROM firmware. */
  107.  
  108. /* A wrapper which calls rom_init allocating all available RAM in CE0
  109.    to the heap, sets the serial port to SERIAL_0_BAUD, sets up the
  110.    millisecond timer, and diddles the clock multiplier. */
  111.  
  112. /* Values for the romInit "speed" parameter. */
  113. #define SPEED_1X        0 /* no clock multiplier, normal speed. */
  114. #define SPEED_2X        1 /* 2x clock multiplier. */
  115. #define SPEED_4X        2 /* 4x clock, DOESN'T WORK ON TINIm400! */
  116.  
  117. unsigned char romInit(unsigned char noisy,
  118.                       char speed);
  119.  
  120. /* Install an interrupt handler. */
  121. void installInterrupt(void (*isrPtr)(void), unsigned char offset);
  122. #endif
  123.  
  124.  
  125. #endif /* TINIBIOS_H */
  126.