#define TINIBIOS_H
#include <ds80c390.h>
+#include <time.h>
#define Serial0GetChar getchar
#define Serial0PutChar putchar
void Serial0SendBreak(void);
void Serial0Flush(void);
+void Serial0SwitchToBuffered(void); // ds400 only.
+
void Serial1Init (unsigned long baud, unsigned char buffered);
char Serial1GetChar(void);
void Serial1PutChar(char);
#define SERIAL_1_RECEIVE_BUFFER_SIZE 64
// I know someone is fooling with the crystals
-#define OSCILLATOR 18432000L
+#if defined(SDCC_ds400)
+# define OSCILLATOR 14745600L
+#else
+# define OSCILLATOR 18432000L
+#endif
/* Set the cpu speed in clocks per machine cycle, valid values are:
1024: Divide-by-1024 (power management) mode (screws ALL timers and serial)
// The MOVX stretch cycles, see datasheet
#define CPU_MOVX_STRETCH 0x01
+// from rtc390.c
+#define HAVE_RTC
+unsigned char RtcRead(struct tm *rtcDate);
+void RtcWrite(struct tm *rtcDate);
+
+// from lcd390.c
+extern void LcdInit(void);
+extern void LcdOn(void);
+extern void LcdOff(void);
+extern void LcdClear(void);
+extern void LcdHome(void);
+extern void LcdGoto(unsigned int collumnRow);
+extern void LcdPutChar(char c);
+extern void LcdPutString(char *string);
+extern void LcdLPutString(unsigned int collumnRow, char *string);
+extern void LcdPrintf(const char *format, ...) __reentrant;
+extern void LcdLPrintf(unsigned int collumnRow, const char *format, ...) __reentrant;
+
+// from i2c390.c
+#define I2C_BUFSIZE 128
+extern char I2CReset(void);
+extern char I2CStart(void);
+extern char I2CStop(void);
+extern char I2CSendStop(char addr, char count,
+ char send_stop);
+extern char I2CReceive(char addr, char count);
+extern char I2CSendReceive(char addr, char tx_count,
+ char rx_count);
+//extern char I2CByteOut(char);
+//extern void I2CDumpError(char);
+
+/* global transfer buffers */
+extern char i2cTransmitBuffer[I2C_BUFSIZE];
+extern char i2cReceiveBuffer[I2C_BUFSIZE];
+
+// Macro for normal send transfer ending with a stop condition
+#define I2CSend(addr, count) I2CSendStop(addr, count, 1)
+
+
// internal functions used by tinibios.c
unsigned char _sdcc_external_startup(void);
-void Serial0IrqHandler (void) interrupt 4;
-void Serial1IrqHandler (void) interrupt 7;
+void Serial0IrqHandler (void) __interrupt 4;
+void Serial1IrqHandler (void) __interrupt 7;
+
+#if !defined(SDCC_ds400)
void ClockInit();
-void ClockIrqHandler (void) interrupt 1;
+void ClockIrqHandler (void) __interrupt 1 __naked;
+#endif
+
+#if defined(SDCC_ds400)
+// functions for dealing with the ds400 ROM firmware.
+
+// A wrapper which calls rom_init allocating all available RAM in CE0
+// to the heap, sets the serial port to SERIAL_0_BAUD, sets up the
+// millisecond timer, and diddles the clock multiplier.
+
+// Values for the romInit "speed" parameter.
+#define SPEED_1X 0 /* no clock multiplier, normal speed. */
+#define SPEED_2X 1 /* 2x clock multiplier. */
+#define SPEED_4X 2 /* 4x clock, DOESN'T WORK ON TINIm400! */
+
+unsigned char romInit(unsigned char noisy,
+ char speed);
+
+// Install an interrupt handler.
+void installInterrupt(void (*isrPtr)(void), unsigned char offset);
+#endif
+
-#endif TINIBIOS_H
+#endif /* TINIBIOS_H */