Subversion Repositories mips_enhanced

// Filename          : can_send_extended.c

//-- Description     : Sends four can frames with different ID's in extended frame format

//-- Author          : Harald Obereder

//-- Created On      : Wed Okt 06 10.07

//--

//-- CVS entries:

//--   $Author: hobe $

//--   $Date: 2004/10/12 12:47:19 $

//--   $Revision: 1.2 $

//--   $State: Exp $ 

// addressdefinition for basic can registers

// tb...transmit buffer

// rb...receive buffer

#define basic

#define extended

#ifdef basic

#define control_register *((unsigned char *)(0xfffc0000))

#define command_register *((unsigned char *)(0xfffc0001))

#define status_register *((unsigned char *)(0xfffc0002))

#define interrupt_register *((unsigned char *)(0xfffc0003))

#define acceptance_code_register *((unsigned char *)(0xfffc0004))

#define acceptance_mask_register *((unsigned char *)(0xfffc0005))

#define bus_timing_0_register *((unsigned char *)(0xfffc0006))

#define bus_timing_1_register *((unsigned char *)(0xfffc0007))

#define output_control_register *((unsigned char *)(0xfffc0008))

#define test_register *((unsigned char *)(0xfffc0009))

#define tb_identifier_byte_0 *((unsigned char *)(0xfffc000A))

#define tb_identifier_byte_1 *((unsigned char *)(0xfffc000B))

#define tb_data_byte_1 *((unsigned char *)(0xfffc000C))

#define tb_data_byte_2 *((unsigned char *)(0xfffc000D))

#define tb_data_byte_3 *((unsigned char *)(0xfffc000E))

#define tb_data_byte_4 *((unsigned char *)(0xfffc000F))

#define tb_data_byte_5 *((unsigned char *)(0xfffc0010))

#define tb_data_byte_6 *((unsigned char *)(0xfffc0011))

#define tb_data_byte_7 *((unsigned char *)(0xfffc0012))

#define tb_data_byte_8 *((unsigned char *)(0xfffc0013))

#define rb_identifier_byte_0 *((unsigned char *)(0xfffc0014))

#define rb_identifier_byte_1 *((unsigned char *)(0xfffc0015))

#define rb_data_byte_1 *((unsigned char *)(0xfffc0016))

#define rb_data_byte_2 *((unsigned char *)(0xfffc0017))

#define rb_data_byte_3 *((unsigned char *)(0xfffc0018))

#define rb_data_byte_4 *((unsigned char *)(0xfffc0019))

#define rb_data_byte_5 *((unsigned char *)(0xfffc001A))

#define rb_data_byte_6 *((unsigned char *)(0xfffc001B))

#define rb_data_byte_7 *((unsigned char *)(0xfffc001C))

#define rb_data_byte_8 *((unsigned char *)(0xfffc001D))

#define Extra_register *((unsigned char *)(0xfffc001E))

#define clock_divider_register *((unsigned char *)(0xfffc001F))

#endif

#ifdef extended

#define control_register *((unsigned char *)(0xfffc0000))

#define command_register *((unsigned char *)(0xfffc0001))

#define status_register *((unsigned char *)(0xfffc0002))

#define interrupt_register *((unsigned char *)(0xfffc0003))

#define interrupt_enable_register *((unsigned char *)(0xfffc0004))

#define reserved_register *((unsigned char *)(0xfffc0005))

#define bus_timing_0_register *((unsigned char *)(0xfffc0006))

#define bus_timing_1_register *((unsigned char *)(0xfffc0007))

#define output_control_register *((unsigned char *)(0xfffc0008))

#define test_register *((unsigned char *)(0xfffc0009))

#define reserved_1_register *((unsigned char *)(0xfffc000A))

#define arbitration_lost_capture *((unsigned char *)(0xfffc000B))

#define error_code_capture *((unsigned char *)(0xfffc000C))

#define error_warning_limit *((unsigned char *)(0xfffc000D))

#define rx_error_counter *((unsigned char *)(0xfffc000E))

#define tx_error_counter *((unsigned char *)(0xfffc000F))

#define acceptance_code_0 *((unsigned char *)(0xfffc0010))

#define acceptance_code_1 *((unsigned char *)(0xfffc0011))

#define acceptance_code_2 *((unsigned char *)(0xfffc0012))

#define acceptance_code_3 *((unsigned char *)(0xfffc0013))

#define acceptance_mask_0 *((unsigned char *)(0xfffc0014))

#define acceptance_mask_1 *((unsigned char *)(0xfffc0015))

#define acceptance_mask_2 *((unsigned char *)(0xfffc0016))

#define acceptance_mask_3 *((unsigned char *)(0xfffc0017))

#define rx_frame_information_sff *((unsigned char *)(0xfffc0010))

#define rx_identifier_1_sff *((unsigned char *)(0xfffc0011))

#define rx_identifier_2_sff *((unsigned char *)(0xfffc0012))

#define rx_data_1_sff *((unsigned char *)(0xfffc0013))

#define rx_data_2_sff *((unsigned char *)(0xfffc0014))

#define rx_data_3_sff *((unsigned char *)(0xfffc0015))

#define rx_data_4_sff *((unsigned char *)(0xfffc0016))

#define rx_data_5_sff *((unsigned char *)(0xfffc0017))

#define rx_data_6_sff *((unsigned char *)(0xfffc0018))

#define rx_data_7_sff *((unsigned char *)(0xfffc0019))

#define rx_data_8_sff *((unsigned char *)(0xfffc001A))

#define rx_frame_information_eff *((unsigned char *)(0xfffc0010))

#define rx_identifier_1_eff *((unsigned char *)(0xfffc0011))

#define rx_identifier_2_eff *((unsigned char *)(0xfffc0012))

#define rx_identifier_3_eff *((unsigned char *)(0xfffc0013))

#define rx_identifier_4_eff *((unsigned char *)(0xfffc0014))

#define rx_data_1_eff *((unsigned char *)(0xfffc0015))

#define rx_data_2_eff *((unsigned char *)(0xfffc0016))

#define rx_data_3_eff *((unsigned char *)(0xfffc0017))

#define rx_data_4_eff *((unsigned char *)(0xfffc0018))

#define rx_data_5_eff *((unsigned char *)(0xfffc0019))

#define rx_data_6_eff *((unsigned char *)(0xfffc001A))

#define rx_data_7_eff *((unsigned char *)(0xfffc001B))

#define rx_data_8_eff *((unsigned char *)(0xfffc001C))

#define tx_frame_information_sff *((unsigned char *)(0xfffc0010))

#define tx_identifier_1_sff *((unsigned char *)(0xfffc0011))

#define tx_identifier_2_sff *((unsigned char *)(0xfffc0012))

#define tx_data_1_sff *((unsigned char *)(0xfffc0013))

#define tx_data_2_sff *((unsigned char *)(0xfffc0014))

#define tx_data_3_sff *((unsigned char *)(0xfffc0015))

#define tx_data_4_sff *((unsigned char *)(0xfffc0016))

#define tx_data_5_sff *((unsigned char *)(0xfffc0017))

#define tx_data_6_sff *((unsigned char *)(0xfffc0018))

#define tx_data_7_sff *((unsigned char *)(0xfffc0019))

#define tx_data_8_sff *((unsigned char *)(0xfffc001A))

#define tx_frame_information_eff *((unsigned char *)(0xfffc0010))

#define tx_identifier_1_eff *((unsigned char *)(0xfffc0011))

#define tx_identifier_2_eff *((unsigned char *)(0xfffc0012))

#define tx_identifier_3_eff *((unsigned char *)(0xfffc0013))

#define tx_identifier_4_eff *((unsigned char *)(0xfffc0014))

#define tx_data_1_eff *((unsigned char *)(0xfffc0015))

#define tx_data_2_eff *((unsigned char *)(0xfffc0016))

#define tx_data_3_eff *((unsigned char *)(0xfffc0017))

#define tx_data_4_eff *((unsigned char *)(0xfffc0018))

#define tx_data_5_eff *((unsigned char *)(0xfffc0019))

#define tx_data_6_eff *((unsigned char *)(0xfffc001A))

#define tx_data_7_eff *((unsigned char *)(0xfffc001B))

#define tx_data_8_eff *((unsigned char *)(0xfffc001C))

#define rx_message_counter *((unsigned char *)(0xfffc001D))

#define rx_buffer_start_address *((unsigned char *)(0xfffc001E))

#define clock_divider_register *((unsigned char *)(0xfffc001F))

#endif

#define reset_mode_on 0x01

#define reset_mode_off 0xFE

#define enable_all_int 0x1E

#define tx_request 0x01

#define basic_mode 0x7F

#define extended_mode 0x80

#define release_buffer 0x04

#define self_test_mode 0x04

#define self_reception 0x10

#define enable_all_int_eff 0xFF

// can mode "Basic" or "Extended"

//const char * mode = "Basic";

//const char * mode = "Extended";

// waits for some time

void kill_time(int rep) {

  int i;

  for (i=rep; i>0; --i)

    asm("nop");

}

void self_testing_mode()

{

        unsigned char r_val;

        printf("************************************\n");

        printf("***** Set to self testing mode *****\n");

        printf("************************************\n");

        r_val = control_register | self_test_mode;

        control_register = r_val;

        printf( "control_register 0x%X \n\n",control_register);

}

void reset_all_irqs()

{

        printf("************************************\n");

        printf("********** reset all irqs **********\n");

        printf("************************************\n");

        printf( "interrupt_register 0x%X \n\n",interrupt_register);

}

void disable_irq_sff()

{

        unsigned char r_val;

        printf("************************************\n");

        printf("*********** disable irqs ***********\n");

        printf("************************************\n");

        r_val = interrupt_enable_register | enable_all_int_eff;

        interrupt_enable_register = r_val;

        printf( "interrupt_enable_register 0x%X \n\n",interrupt_enable_register);

}

void enable_irq_sff()

{

        unsigned char r_val;

        //printf("************************************\n");

        //printf("*********** enable irqs ************\n");

        //printf("************************************\n");

        r_val = control_register | enable_all_int;

        control_register = r_val;

        printf( "control_register 0x%X \n\n",control_register);

}

void disable_irq_eff()

{

        unsigned char r_val;

        printf("************************************\n");

        printf("*********** disable irqs ***********\n");

        printf("************************************\n");

        r_val = interrupt_enable_register | enable_all_int_eff;

        interrupt_enable_register = r_val;

        printf( "interrupt_enable_register 0x%X \n\n",interrupt_enable_register);

}

void enable_irq_eff()

{

        unsigned char r_val;

        printf("************************************\n");

        printf("*********** enable irqs eff ********\n");

        printf("************************************\n");

        r_val = interrupt_enable_register | enable_all_int_eff;

        interrupt_enable_register = r_val;

        printf( "interrupt_enable_register 0x%X \n\n",interrupt_enable_register);

}

void tx_request_command()

{

        unsigned char r_val;

//      printf("************************************\n");

//      printf("*********** tx requestet ***********\n");

//      printf("************************************\n");

        printf( "Send transmit-request \n");

        r_val = command_register | tx_request;

        command_register = r_val;

        printf( "command register: 0x%X \n\n",command_register);

}

void self_reception_request()

{

        unsigned char r_val;

        printf("************************************\n");

        printf("***** self reception requestet *****\n");

        printf("************************************\n");

        r_val = command_register | self_reception;

        command_register = r_val;

        printf( "command register : 0x%X \n\n",command_register);

}

void release_receive_buffer()

{

        unsigned char r_val;

        printf("************************************\n");

        printf("****** release receive buffer ******\n");

        printf("************************************\n");

        r_val = command_register | release_buffer;

        command_register = r_val;

        printf( "command register : 0x%X \n\n",command_register);

}

void read_receive_buffer_basic()

{

        unsigned char r_val;

        printf("************************************\n");

        printf("******** read receive buffer *******\n");

        printf("************************************\n");

        printf( "identifier 0: 0x%X \n",rb_identifier_byte_0);

        printf( "identifier 1: 0x%X \n",rb_identifier_byte_1);

        printf( "data byte 1: 0x%X \n",rb_data_byte_1);

        printf( "data byte 2: 0x%X \n",rb_data_byte_2);

        printf( "data byte 3: 0x%X \n",rb_data_byte_3);

        printf( "data byte 4: 0x%X \n",rb_data_byte_4);

        printf( "data byte 5: 0x%X \n",rb_data_byte_5);

        printf( "data byte 6: 0x%X \n",rb_data_byte_6);

        printf( "data byte 7: 0x%X \n",rb_data_byte_7);

        printf( "data byte 8: 0x%X \n\n",rb_data_byte_8);

}

void read_receive_buffer_extended()

{

        unsigned char r_val;

        printf("************************************\n");

        printf("******* read frame extended ********\n");

        printf("************************************\n");

        printf( "rx_frame_information_eff: 0x%X \n\n",rx_frame_information_eff);

        printf( "identifier 0: 0x%X \n",rx_identifier_1_eff);

        printf( "identifier 1: 0x%X \n",rx_identifier_2_eff);

        printf( "identifier 2: 0x%X \n",rx_identifier_3_eff);

        printf( "identifier 3: 0x%X \n\n",rx_identifier_4_eff);

        printf( "data byte 1: 0x%X \n",rx_data_1_eff);

        printf( "data byte 2: 0x%X \n",rx_data_2_eff);

        printf( "data byte 3: 0x%X \n",rx_data_3_eff);

        printf( "data byte 4: 0x%X \n",rx_data_4_eff);

        printf( "data byte 5: 0x%X \n",rx_data_5_eff);

        printf( "data byte 6: 0x%X \n",rx_data_6_eff);

        printf( "data byte 7: 0x%X \n",rx_data_7_eff);

        printf( "data byte 8: 0x%X \n\n",rx_data_8_eff);

}

/*void write_frame_basic()

{

        unsigned char r_val;

        printf("************************************\n");

        printf("********* Send frame basic *********\n");

        printf("************************************\n");

        printf( "Set identifier - 0xEA 0x28\n");

        tb_identifier_byte_0 = 0xEA;

        printf( "identifier 0: 0x%X \n",tb_identifier_byte_0);

        tb_identifier_byte_1 = 0x28;

        printf( "identifier 1: 0x%X \n\n",tb_identifier_byte_1);

        printf( "Set data byte 1 \n");

        tb_data_byte_1 = 0x12;

        printf( "data byte 1: 0x%X \n",tb_data_byte_1);

        printf( "Set data byte 2 \n");

        tb_data_byte_2 = 0x34;

        printf( "data byte 2: 0x%X \n",tb_data_byte_2);

        printf( "Set data byte 3 \n");

        tb_data_byte_3 = 0x56;

        printf( "data byte 3: 0x%X \n",tb_data_byte_3);

        printf( "Set data byte 4 \n");

        tb_data_byte_4 = 0x78;

        printf( "data byte 4: 0x%X \n",tb_data_byte_4);

        printf( "Set data byte 5 \n");

        tb_data_byte_5 = 0x9A;

        printf( "data byte 5: 0x%X \n",tb_data_byte_5);

        printf( "Set data byte 6 \n");

        tb_data_byte_6 = 0xBC;

        printf( "data byte 6: 0x%X \n",tb_data_byte_6);

        printf( "Set data byte 7 \n");

        tb_data_byte_7 = 0xDE;

        printf( "data byte 7: 0x%X \n",tb_data_byte_7);

        printf( "Set data byte 8 \n");

        tb_data_byte_8 = 0xF0;

        printf( "data byte 8: 0x%X \n\n",tb_data_byte_8);

}

*/

/*void write_frame_extended()

{

        unsigned char r_val;

        printf("************************************\n");

        printf("******* write frame extended *******\n");

        printf("************************************\n");

        tx_frame_information_eff = 0x88;

        printf( "tx_frame_information_eff: 0x%X \n\n",tx_frame_information_eff);

        printf( "Set identifier - 0xA6 0xB0 0x12 0x30\n");

        tx_identifier_1_eff = 0xA6;

        printf( "identifier 0: 0x%X \n",tx_identifier_1_eff);

        tx_identifier_2_eff = 0xB0;

        printf( "identifier 1: 0x%X \n",tx_identifier_2_eff);

        tx_identifier_3_eff = 0x12;

        printf( "identifier 2: 0x%X \n",tx_identifier_3_eff);

        tx_identifier_4_eff = 0x30;

        printf( "identifier 3: 0x%X \n\n",tx_identifier_4_eff);

        printf( "Set data - 0x12 0x34 0x56 0x78 0x9A 0xBC 0xDE 0xF0\n");

        tx_data_1_eff = 0x12;

        printf( "data byte 1: 0x%X \n",tx_data_1_eff);

        tx_data_2_eff = 0x34;

        printf( "data byte 2: 0x%X \n",tx_data_2_eff);

        tx_data_3_eff = 0x56;

        printf( "data byte 3: 0x%X \n",tx_data_3_eff);

        tx_data_4_eff = 0x78;

        printf( "data byte 4: 0x%X \n",tx_data_4_eff);

        tx_data_5_eff = 0x9A;

        printf( "data byte 5: 0x%X \n",tx_data_5_eff);

        tx_data_6_eff = 0xBC;

        printf( "data byte 6: 0x%X \n",tx_data_6_eff);

        tx_data_7_eff = 0xDE;

        printf( "data byte 7: 0x%X \n",tx_data_7_eff);

        tx_data_8_eff = 0xF0;

        printf( "data byte 8: 0x%X \n\n",tx_data_8_eff);

}

*/

void init_can(char * mode, char * self_test)

{

        unsigned char r_val;

        if (mode == "Basic")

        {

                //printf("************************************\n");

                printf("********** Basic Can Mode **********\n");

                //printf("************************************\n");

                printf( "Switch on Reset Mode\n");

                r_val = control_register | reset_mode_on;

                control_register = r_val;

                //printf( "control_register: 0x%X \n\n",control_register);      

                //printf( "Set clock divider register to basic can mode\n");

                r_val = clock_divider_register & basic_mode | 0x07;

                clock_divider_register = r_val;

                //printf( "clock_divider_register: 0x%X \n\n",clock_divider_register);

                //printf( "Output control register \n");

                //output_control_register = 0x01;

                //printf( "output control register : 0x%X \n\n",output_control_register);

                //printf( "Set bus timing register 0\n");

                //printf( "Sync Jump Width = 2  Baudrate Prescaler = 1\n");     

                bus_timing_0_register = 0x83;

                //printf( "bus timing register 0: 0x%X \n\n",bus_timing_0_register);

                //printf( "Set bus timing register 1\n");

                //printf( "SAM = 0 ---> Single Sampling\n");

                bus_timing_1_register = 0x25;

                //printf( "bus timing register 1: 0x%X \n\n",bus_timing_1_register);

                //printf( "Set acceptance code register\n"); 

                acceptance_code_register = 0xEA;

                //printf( "acceptance code register: 0x%X \n\n",acceptance_code_register);

                //printf( "Set acceptance mask register\n"); 

                acceptance_mask_register = 0x0F;

                //printf( "acceptance mask register: 0x%X \n\n",acceptance_mask_register);

                kill_time(50);

                printf( "Switch off reset mode\n");

                r_val = control_register & reset_mode_off;

                control_register = r_val;

                //printf( "control_register 0x%X \n\n",control_register);

                kill_time(50);

        }

        else if (mode == "Extended")

        {

                printf("************************************\n");

                printf("******** Extended Can Mode *********\n");

                printf("************************************\n");

                printf( "Switch on Reset Mode\n");

                r_val = control_register | reset_mode_on;

                control_register = r_val;

                printf( "control_register: 0x%X \n\n",control_register);

                kill_time(50);

                printf( "Set clock divider register to extended can mode\n");

                r_val = clock_divider_register | extended_mode | 0x07;

                clock_divider_register = r_val;

                printf( "clock_divider_register: 0x%X \n\n",clock_divider_register);

                kill_time(50);

                //printf( "Output control register \n");

                //output_control_register = 0x01;

                //printf( "output control register: 0x%X \n\n",output_control_register);

                printf( "Set bus timing register 0\n");

                printf( "Sync Jump Width = 2  Baudrate Prescaler = 1\n");

                bus_timing_0_register = 0x83;

                printf( "bus timing register 0: 0x%X \n\n",bus_timing_0_register);

                printf( "Set bus timing register 1\n");

                printf( "SAM = 0 ---> Single Sampling\n");

                bus_timing_1_register = 0x25;

                printf( "bus timing register 1: 0x%X \n\n",bus_timing_1_register);

                printf( "Set acceptance code register\n");

                acceptance_code_0 = 0xA6;

                printf( "acceptance code register 0: 0x%X \n",acceptance_code_0);

                acceptance_code_1 = 0xB0;

                printf( "acceptance code register 1: 0x%X \n",acceptance_code_1);

                acceptance_code_2 = 0x12;

                printf( "acceptance code register 2: 0x%X \n",acceptance_code_2);

                acceptance_code_3 = 0x30;

                printf( "acceptance code register 3: 0x%X \n\n",acceptance_code_3);

                printf( "Set acceptance mask register\n");

                acceptance_mask_0 = 0x00;

                printf( "acceptance mask register: 0x%X \n",acceptance_mask_0);

                acceptance_mask_1 = 0x00;

                printf( "acceptance mask register: 0x%X \n",acceptance_mask_1);

                acceptance_mask_2 = 0x00;

                printf( "acceptance mask register: 0x%X \n",acceptance_mask_2);

                acceptance_mask_3 = 0x00;

                printf( "acceptance mask register: 0x%X \n\n",acceptance_mask_3);

                if (self_test == "self_test")

                {

                        self_testing_mode();

                }

                printf( "Switch off reset mode\n");

                r_val = control_register & reset_mode_off;

                control_register = r_val;

                printf( "control_register 0x%X \n\n",control_register);

                kill_time(50);

        }

}

void self_reception_test()

{

        unsigned char r_val;

        printf( "Switch on Reset Mode\n");

        control_register = 0x01;

        printf( "control 0x%X \n\n",control_register);

        // witch to extended mode

        clock_divider_register = 0x80;

        printf( "clock_divider 0x%X \n\n",clock_divider_register);

        // set bus timing       

        //bus_timing_0_register = 0xBF;

        bus_timing_0_register = 0x80;

        bus_timing_1_register = 0x34;

        // set acceptance and mask register

        acceptance_code_0 = 0xA6;

        printf( "acceptance 0 0x%X \n",acceptance_code_0);

        acceptance_code_1 = 0xB0;

        printf( "acceptance 1 0x%X \n",acceptance_code_1);

        acceptance_code_2 = 0x12;

        printf( "acceptance 2 0x%X \n",acceptance_code_2);

        acceptance_code_3 = 0x30;

        printf( "acceptance 3 0x%X \n\n",acceptance_code_3);

        acceptance_mask_0 = 0x00;

        printf( "acceptance mask 0x%X \n",acceptance_mask_0);

        acceptance_mask_1 = 0x00;

        printf( "acceptance mask 0x%X \n",acceptance_mask_1);

        acceptance_mask_2 = 0x00;

        printf( "acceptance mask 0x%X \n",acceptance_mask_2);

        acceptance_mask_3 = 0x00;

        printf( "acceptance mask 0x%X \n\n",acceptance_mask_3);

        // Setting the "self test mode" 

        control_register = 0x05;

        printf( "control 0x%X \n\n",control_register);

        kill_time(50);

        // Switch-off reset mode       

        control_register = 0X04;

        printf( "control_register 0x%X \n\n",control_register);

        kill_time(150);

        // Send frame

        tx_frame_information_eff = 0x88;

        printf( "Set identifier - 0xA6 0xB0 0x12 0x30\n");

        tx_identifier_1_eff = 0xA6;

        //printf( "identifier 0: 0x%X \n",tx_identifier_1_eff);

        tx_identifier_2_eff = 0xB0;

        //printf( "identifier 1: 0x%X \n",tx_identifier_2_eff);

        tx_identifier_3_eff = 0x12;

        //printf( "identifier 2: 0x%X \n",tx_identifier_3_eff);

        tx_identifier_4_eff = 0x30;

        //printf( "identifier 3: 0x%X \n\n",tx_identifier_4_eff);

        printf( "Set data - 0x12 0x34 0x56 0x78 0x9A 0xBC 0xDE 0xF0\n");

        tx_data_1_eff = 0x12;

        //printf( "data byte 1: 0x%X \n",tx_data_1_eff);

        tx_data_2_eff = 0x34;

        //printf( "data byte 2: 0x%X \n",tx_data_2_eff);

        tx_data_3_eff = 0x56;

        //printf( "data byte 3: 0x%X \n",tx_data_3_eff);

        tx_data_4_eff = 0x78;

        //printf( "data byte 4: 0x%X \n",tx_data_4_eff);

        tx_data_5_eff = 0x9A;

        //printf( "data byte 5: 0x%X \n",tx_data_5_eff);

        tx_data_6_eff = 0xBC;

        //printf( "data byte 6: 0x%X \n",tx_data_6_eff);

        tx_data_7_eff = 0xDE;

        //printf( "data byte 7: 0x%X \n",tx_data_7_eff);

        tx_data_8_eff = 0xF0;

        //printf( "data byte 8: 0x%X \n\n",tx_data_8_eff);

        // Enable ints

        interrupt_enable_register = 0xFF;

        kill_time(50);

        //tx_request_command();

        self_reception_request();

        //tx_request_command();

        printf( "Finnished \n");

        printf( "control_register 0x%X \n\n",control_register);

        //kill_time(10000);

        printf( "interrupt_register 0x%X \n\n",interrupt_register);

        printf( "control_register 0x%X \n\n",control_register);

        //read_receive_buffer_extended();

}

void write_frame_basic(unsigned char write_field[])

{

        int i = 0;

        //printf("************************************\n");

        //printf("******** write frame basic *********\n");

        //printf("************************************\n");

            for (i=0; i<10; i++)

              {

                *((unsigned char *)(0xfffc000A+i)) = write_field[i];

                kill_time(10);

                printf( "write data: %i , 0x%X , 0x%X \n",i,write_field[i],*((unsigned char *)(0xfffc000A+i)));

              }

}

void write_frame_extended(unsigned char write_field[])

{

        int i = 0;