Subversion Repositories usb_nand_reader

#line 1 "H:/MINI32/MINI-32 Examples/MINI-32 mikroC PRO for PIC32 Examples/MINI32_NAND_Controller/NandControl.c"

#line 1 "h:/mini32/mini-32 examples/mini-32 mikroc pro for pic32 examples/mini32_nand_controller/nandcontrol.h"

void init_nand_control_line();

int nand_is_ready();

void nand_wait_ready();

void nand_chip_select(int idx);

void nand_chip_unselect();

void nand_send_command(unsigned char cmd);

void nand_send_address(unsigned char* addr, int len);

void nand_write(unsigned char* buffer, int len);

void nand_read(unsigned char* buffer, int len);

void nand_toggle_wp();

void blink(int i);

#line 1 "h:/mini32/mini-32 examples/mini-32 mikroc pro for pic32 examples/mini32_nand_controller/nanddataline.h"

void init_nand_data_line();

void init_nand_control_line();

void data_line_write_byte(unsigned char b);

unsigned char data_line_read_byte();

#line 1 "h:/mini32/mini-32 examples/mini-32 mikroc pro for pic32 examples/mini32_nand_controller/cmd.h"

#line 38 "h:/mini32/mini-32 examples/mini-32 mikroc pro for pic32 examples/mini32_nand_controller/cmd.h"

void do_delay(int cycles);

void cmd_chip_enable(unsigned char* cmd);

void cmd_chip_disable();

void cmd_chip_reset();

void cmd_chip_read_id(unsigned char* outBuffer, int addr);

void cmd_chip_read_param_page(unsigned char* outBuffer);

void cmd_chip_read_page(unsigned char* inBuffer, unsigned char* outBuffer, int len, int addressCycles);

void cmd_chip_read_page_cache_sequential(unsigned char* inBuffer, unsigned char* outBuffer, int len, int addressCylces);

unsigned char cmd_chip_read_status();

unsigned char cmd_chip_read_status_enhanced(unsigned char* inBuffer, int addressCycles);

void cmd_chip_read_unique_id(unsigned char* outBuffer);

void cmd_chip_block_erase(unsigned char* inBuffer);

unsigned char cmd_chip_page_program(unsigned char* inBuffer, int addressCycles, int pageSize);

#line 8 "H:/MINI32/MINI-32 Examples/MINI-32 mikroC PRO for PIC32 Examples/MINI32_NAND_Controller/NandControl.c"

sbit ctrl_rnb3 at PORTB.B0;

sbit ctrl_rnb2 at PORTD.B11;

sbit ctrl_rnb1 at PORTB.B9;

sbit ctrl_rnb0 at PORTD.B5;

sbit ctrl_nce3 at LATB14_bit;

sbit ctrl_nce2 at LATF0_bit;

sbit ctrl_nce1 at LATF1_bit;

sbit ctrl_nce0 at LATB8_bit;

sbit ctrl_nre at LATD4_bit;

sbit ctrl_cle at LATB15_bit;

sbit ctrl_ale at LATD0_bit;

sbit ctrl_nwe at LATE0_bit;

sbit ctrl_nwp at LATE1_bit;

void init_nand_control_line()

{

 TRISB0_bit = 1;

 TRISD11_bit = 1;

 TRISB9_bit = 1;

 TRISD5_bit = 1;

 TRISB14_bit = 0;

 TRISF0_bit = 0;

 TRISF1_bit = 0;

 TRISB8_bit = 0;

 TRISD4_bit = 0;

 TRISB15_bit = 0;

 TRISD0_bit = 0;

 TRISE0_bit = 0;

 TRISE1_bit = 0;

 ctrl_nce0 = 1;

 ctrl_nce1 = 1;

 ctrl_nce2 = 1;

 ctrl_nce3 = 1;

 ctrl_nre = 1;

 ctrl_cle = 0;

 ctrl_ale = 0;

 ctrl_nwe = 1;

 ctrl_nwp = 0;

}

int nand_is_ready()

{

 int r = (int)(ctrl_rnb0 & ctrl_rnb1 & ctrl_rnb2 & ctrl_rnb3);

 if(0 == r)

 LATG6_bit = 0;

 else

 LATG6_bit = 1;

 return r;

}

void nand_wait_ready()

{

 while(0 == nand_is_ready());

}

void nand_chip_select(int idx)

{

 switch(idx)

 {

 case 0:

 ctrl_nce1 = ctrl_nce2 = ctrl_nce3 = 1;

 ctrl_nce0 = 0;

 break;

 case 1:

 ctrl_nce0 = ctrl_nce2 = ctrl_nce3 = 1;

 ctrl_nce1 = 0;

 break;

 case 2:

 ctrl_nce0 = ctrl_nce1 = ctrl_nce3 = 1;

 ctrl_nce2 = 0;

 break;

 case 3:

 ctrl_nce0 = ctrl_nce1 = ctrl_nce2 = 1;

 ctrl_nce3 = 0;

 break;

 default:

 break;

 }

}

void nand_chip_unselect()

{

 ctrl_nce0 = 1;

 ctrl_nce1 = 1;

 ctrl_nce2 = 1;

 ctrl_nce3 = 1;

}

void nand_send_command(unsigned char cmd)

{

 data_line_write_byte(cmd);

 ctrl_ale = 0;

 ctrl_nre = 1;

 ctrl_nwe = 0;

 ctrl_cle = 1;

 ctrl_nwe = 1;

 ctrl_cle = 0;

}

void nand_send_address(unsigned char* addr, int len)

{

 int i;

 ctrl_cle = 0;

 ctrl_nre = 1;

 ctrl_ale = 1;

 if(0 == addr)

 {

 data_line_write_byte(0);

 ctrl_nwe = 0;

 ctrl_nwe = 1;

 }

 else

 {

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

 {

 data_line_write_byte(*(addr + i));

 ctrl_nwe = 0;

 ctrl_nwe = 1;

 }

 }

 ctrl_ale = 0;

}

void nand_write(unsigned char* buffer, int len)

{

 int i;

 ctrl_cle = 0;

 ctrl_ale = 0;

 ctrl_nre = 1;

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

 {

 data_line_write_byte(*(buffer + i));

 ctrl_nwe = 0;

 ctrl_nwe = 1;

 }

}

void nand_read(unsigned char* buffer, int len)

{

 int i;

 ctrl_cle = 0;

 ctrl_ale = 0;

 ctrl_nwe = 1;

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

 {

 ctrl_nre = 0;

 while(PORTD.B4 != 0);

 *(buffer + i) = data_line_read_byte();

 ctrl_nre = 1;

 while(PORTD.B4 != 1);

 }

}

void nand_toggle_wp()

{

 ctrl_nwp = ~ctrl_nwp;

 Delay_us(2);

}