/***************************************************************************** SOURCE NAME : COM.H header of COM.CC part of the Atari File Designer (AFD) source files for the Communication module. ------------------------------------------------------------------------------ Written by Philippe VUILLERME (c) PVBest 2001 Based on "RS-232 Interrupts The C Way" by Mark R. Nelson (c)1990 ------------------------------------------------------------------------------ MAIN FEATURES: This file contains the structure definitions, constants, and function prototypes needed to use the RS-232 interface code supplied in COM.C. It should be included by any routine using COM.C procedures. ******************************************************************************/ /*--- Definition des types --------------------------------------------*/ #define FALSE 0 #define TRUE 1 #define UBYTE unsigned char #define BYTE signed char #define UWORD unsigned int /************************************************************************ * This group of defines creates all the definitions used * to access registers and bit fields in the 8250 UART. * While the names may not be the best, they are the ones * used in the 8250 data sheets, so they are generally not * changed. */ #define RBR 0 /* Read Only / Receive buffer register */ #define THR 0 /* Write Only /Transmit holding reg. */ #define IER 1 /* Interrupt Enable reg. */ #define IIR 2 /* Interrupt ID register */ #define LCR 3 /* Line control register */ #define MCR 4 /* Modem control register */ #define LSR 5 /* Line Status register */ #define MSR 6 /* Modem Status register */ #define DLL 0 /* Divisor latch LSB */ #define DLM 1 /* Divisor latch MSB */ #define IER_RX_DATA 1 /* xxxx 0001 Enable RX interrupt bit */ #define IER_TX_THRE 2 /* xxxx 0010 Enable TX interrupt bit */ #define IER_LINE_STATUS 4 /* xxxx 0100 Enable Line Stat int bit */ #define IER_MODEM_STATUS 8 /* xxxx 1000 Enable Modem Stat int bit */ #define IIR_MODEM_STATUS 0 /* 0000 Modem stat. interrupt ID*/ #define IIR_TRANSMIT 2 /* 0010 Transmit interrupt ID */ #define IIR_RECEIVE 4 /* 0100 Receive interrupt ID */ #define IIR_LINE_STATUS 6 /* 0110 Received Line stat. int. ID */ #define LCR_DLAB 0x80 /* 1xxx xxxx Divisor access bit */ #define LCR_EVEN_PARITY 0x08 /* 0xx0 1xxx Set parity 'E' bits */ #define LCR_ODD_PARITY 0x18 /* 0xx1 1xxx Set parity 'O' bits */ #define LCR_NO_PARITY 0 /* 0xx0 0xxx Set parity 'N' bits */ #define LCR_1_STOP_BIT 0 /* 0xxx x0xx Bits to set 1 stop bit */ #define LCR_2_STOP_BITS 4 /* 0xxx x1xx Bits to set 2 stop bits */ #define LCR_5_DATA_BITS 0 /* 0xxx xx00 Bits to set 5 data bits */ #define LCR_6_DATA_BITS 1 /* 0xxx xx01 Bits to set 6 data bits */ #define LCR_7_DATA_BITS 2 /* 0xxx xx10 Bits to set 7 data bits */ #define LCR_8_DATA_BITS 3 /* 0xxx xx11 Bits to set 8 data bits */ #define MCR_DTR 1 /* Bit to turn on DTR */ #define MCR_RTS 2 /* Bit to turn on RTS */ #define MCR_OUT1 4 /* Bit to turn on OUT1 */ #define MCR_OUT2 8 /* Bit to turn on OUT2 */ #define LSR_OVERRUN 2 /* xxxx xx1x Overrun Error (rcvd data unread)*/ #define LSR_FRAMING 8 /* xxxx 1xxx Framing Error (stop bit) */ /********************************************************************** * This structure defines the 256 byte buffer used for * I/O buffers by the COM routines. By using a buffer * size of 256 bytes, updating the indices is simplified. */ typedef struct { UBYTE buffer[260]; unsigned int data_index; unsigned int lenght; UBYTE checksum; UBYTE ctrl; UBYTE error; } BUFFER; /********************************************************************** * The fully qualified function prototypes. All of these * routines actually reside in COM.C */ int port_open(void); void port_set( long speed, char parity, int data, int stopbits ); void port_close(void); /*********************************************************************/ UBYTE port_sendcommand(); UBYTE port_getframe(); UBYTE port_sendframe(); void message_display(); void delais_cycle(long int duree); void display_ack_code(); void raz_in_buffer(); void raz_out_buffer(); void port_save(); void port_display(); void port_restore(); int image_file_save(); void transfer_file_in_buffer(); void sector_to_file_transfer(); void write_bad_sector(void); void display_status_line(); int drive_status_request(); int Read_Sector_To_PC_File(); int Init_Com_Port(); int Exit_Com_Port(); void Display_Error_Log(int fin); int PC_File_Writing(char *seldef); int Display_Atari_DriveStatus(); int Load_Memory_With_PC_File(); int Compare_Atari_Disk_To_Memory(); int Format_Atari_Disk(); int Write_Sector_From_PC_File(); int Read_Verify_Atari_Disk(); /******************************************************************** * These are the standard UART addresses and interrupt * numbers for the two IBM compatible COM ports. */ #define COM1_UART 0x3f8 #define COM1_INTERRUPT 12 // COM1 = IRQ4 #define COM2_UART 0x2f8 #define COM2_INTERRUPT 11 // COM2 = IRQ3 /******************************************************************* * Color for AFD and structure CMDTEXT */ #define NOIR 00 // 0x00 #define BLEU 01 // 0x01 #define VERT 02 // 0x02 #define TURQUOISE 03 // 0x03 #define ROUGE 04 // 0x04 #define VIOLET 05 // 0x05 #define MARRON 06 // 0x06 #define GRIS_CLAIR 07 // 0x07 #define GRIS_FONCE 08 // 0x08 #define BLEU_CLAIR 09 // 0x09 #define VERT_CLAIR 10 // 0x0A #define TURQUOISE_CLAIR 11 // 0x0B #define ROUGE_CLAIR 12 // 0x0C #define VIOLET_CLAIR 13 // 0x0D #define JAUNE 14 // 0x0E #define BLANC 15 // 0x0F typedef struct { unsigned char fxposX; unsigned char fxposY; char fxtext[40]; } CMDTEXT;