i2c-rw-1204.tar.gz_TVP5150的I2C_saa7102_tvp5150

#include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> #include "i2c-rw.h" static int fd; static char *chips = NULL; int main(int argc, char *argv[]) { static char *dev_name = NULL; int slave_address,address_number,page_size; printf("i2c read and write on satir !\n"); dev_name = "/dev/i2c-rw"; if(argc <= 1) { printf("false chips to selest is failed !\n"); exit(1); } else if(argc > 1) { if ((fd = open(dev_name,O_RDWR)) < 0) { printf("open %s on %s is failed !\n",chips,dev_name); exit(1); } if(strcmp(argv[1],"7172")==0) { chips = "ADV7172"; slave_address = 0xd4; address_number = 1; page_size = 32; config_i2c_device(slave_address, address_number,page_size); init_adv7172(); } else if(strcmp(argv[1],"5150")==0) { chips = "TVP5150"; slave_address = 0xba; address_number = 1; page_size = 32; config_i2c_device(slave_address, address_number,page_size); init_tvp5150(); } else if(strcmp(argv[1],"2464")==0) { chips = "24LC64"; slave_address = 0xa0; address_number = 2; page_size = 32; config_i2c_device(slave_address, address_number,page_size); init_24lc64(); } else if(strcmp(argv[1],"8973")==0) { chips = "WM8973"; slave_address = 0x34; address_number = 1; page_size = 32; config_i2c_device(slave_address, address_number,page_size); init_wm8973(); } else if(strcmp(argv[1],"7102")==0) { chips = "SAA7102"; slave_address = 0x88; address_number = 1; page_size = 254; config_i2c_device(slave_address, address_number,page_size); init_saa7102(); } else { printf("false chips to selest is failed !\n"); } close(fd); printf("\n"); exit(0); } } int config_i2c_device(int slave_address, int address_number, int page_size) { ioctl(fd,SET_I2C_SLAVE_ADDRESS,&slave_address); ioctl(fd,SET_I2C_ADDRESS_NUMBER,&address_number); ioctl(fd,SET_I2C_PAGE_SIZE,&page_size); } int write_i2c(int address,char *write_buf,int length) { int i; if(ioctl(fd,SET_I2C_ADDRESS,&address) < 0) { printf("\nfalse on set %s address at 0x%4x !\n",chips, address); } else { printf("\nset %s address is 0x%4x !\n",chips,address); } if(write(fd,write_buf,length) < 0 ) { printf("\nfalse on write %4d bytes on %s at 0x%4x !\n\n",length,chips,address); } else { printf("\nwrite %4d bytes on %s at 0x%4x success !\n\n",length,chips,address); for(i=0;i<length;i++) { printf("write_buf[0x%02lx] = 0x%02lx ; ",address++,write_buf[i]); if((i%4) == 3) printf("\n"); } } } int read_i2c(int address,char *read_buf,int length) { int i; if(ioctl(fd,SET_I2C_ADDRESS,&address) < 0) { printf("\nfalse on set %s address at 0x%4x !\n",chips, address); } else { printf("\nset %s address is 0x%4x !\n",chips,address); } if(read(fd,read_buf,length) < 0) { printf("\nfalse on read %4d bytes on %s at 0x%4x !\n\n",length,chips,address); } else { printf("\nread %4d bytes on %s at 0x%4x success !\n\n",length,chips,address); for(i=0;i<length;i++) { printf("read_buf[0x%02lx] = 0x%02lx ; ",address++,read_buf[i]); if((i%4) == 3) printf("\n"); } } } int init_24lc64(void) { char read_buf[254],write_buf[254]; int i,address,length; printf("select chips to operate is %s !\n",chips); address = 0; length =200; read_i2c(address,read_buf,length); for(i=0;i<length;i++) { write_buf[i] = i; } write_i2c(address,write_buf,length); read_i2c(address,read_buf,length); for(i=0;i<length;i++) { write_buf[i] = 0xff - ( i & 0xff); } write_i2c(address,write_buf,length); address = 0; if(ioctl(fd,GET_I2C_ADDRESS,&address) < 0) { printf("\nfalse on get %s address !\n",chips); } else { printf("\nget %s address is 0x%4x !\n",chips,address); } return 0; } int init_adv7172(void) { char read_buf[254],write_buf[254]; int i,address,length; printf("select chips to operate is %s !\n",chips); address = 0; length = 0x23; read_i2c(address,read_buf,length); printf("\n"); write_buf[0] = 0x15; write_buf[1] = 0x67; write_buf[2] = 0x6e; write_buf[3] = 0x0 ; write_buf[4] = 0x0 ; write_buf[5] = 0x0 ; write_buf[6] = 0x01; write_buf[7] = 0x0 ; write_buf[8] = 0x0 ; write_buf[9] = 0x0 ; write_buf[0xa] = 0x0d; write_buf[0xb] = 0x0 ; write_buf[0xc] = 0xcb; write_buf[0xd] = 0x8a; write_buf[0xe] = 0x09; write_buf[0xf] = 0x2a ; write_buf[0x10] = 0x0 ; write_buf[0x11] = 0x0 ; write_buf[0x12] = 0x0 ; write_buf[0x13] = 0x0 ; write_buf[0x14] = 0x0 ; write_buf[0x15] = 0x0 ; write_buf[0x16] = 0x0 ; write_buf[0x17] = 0x0 ; write_buf[0x18] = 0x0 ; write_buf[0x19] = 0x0 ; write_buf[0x1a] = 0x0 ; write_buf[0x1b] = 0x0 ; write_buf[0x1c] = 0x0 ; write_buf[0x1d] = 0x0 ; write_buf[0x1e] = 0x0 ; write_buf[0x1f] = 0x0 ; write_buf[0x20] = 0x0 ; write_buf[0x21] = 0x0 ; write_buf[0x22] = 0x0 ; write_i2c(address,write_buf,length); printf("\n"); read_i2c(address,read_buf,length); printf("\n"); return 0; } /* int init_tvp5150(void) { char read_buf[254],write_buf[254]; int i,address,length; address = 0x04; length = 0x01; read_i2c(address,read_buf,length); printf("\n"); } */ int init_tvp5150(void) { char read_buf[254],write_buf[254]; int i,address,length; printf("select chips to operate is %s !\n",chips); address = 0; length = 0x31; //length = 0xfd; read_i2c(address,read_buf,length); printf("\n"); sleep(1); for(i=0;i<=length;i++) { write_buf[i] = read_buf[i];//0xff; } write_buf[0x0 ] = 0x0 ; write_buf[0x01] = 0x15 ; write_buf[0x02] = 0x40;//60 ; write_buf[0x03] = 0x8f ; write_buf[0x04] = 0xdc ; write_buf[0x05] = 0x0 ; write_buf[0x06] = 0x10; write_buf[0x07] = 0x60 ; write_buf[0x08] = 0x0 ; write_buf[0x09] = 0x80 ; write_buf[0x0a] = 0x80; write_buf[0x0b] = 0x0 ; write_buf[0x0c] = 0x80 ; write_buf[0x0d] = 0x07;//47 ; write_buf[0x0e] = 0x0 ; write_buf[0x0f] = 0x12 ; //10 is reserved write_buf[0x11] = 0x0 ; write_buf[0x12] = 0x0 ; write_buf[0x13] = 0x0 ; write_buf[0x14] = 0x0 ; write_buf[0x15] = 0x01 ; write_buf[0x16] = 0x80 ; //17 is reserved write_buf[0x18] = 0x0 ; write_buf[0x19] = 0x0 ; write_buf[0x1a] = 0x0c ; write_buf[0x1b] = 0x14 ; write_buf[0x1c] = 0x0 ; write_buf[0x1d] = 0x0 ; write_buf[0x1e] = 0x0 ; //1f-27 is reserved //write_buf[0x28] = 0x0 ; //29-2b is reserved //2c-2d is read only //write_buf[0x2e] = 0x0f ; //write_buf[0x2f] = 0x01 ; //write_buf[0x30] = 0x0 ; //31-7f is reserved //write_buf[0x80] = 0x51 ; //write_buf[0x81] = 0x50 ; //write_buf[0x82] = 0x04 ; //write_buf[0x83] = 0x0 ; //84-8c is read only //8d-8f is reserved //90-b0 is read only //write_buf[0xb1] = 0x0 ; //write_buf[0xb2] = 0x0 ; //write_buf[0xb3] = 0x0 ; //write_buf[0xb4] = 0x0 ; //write_buf[0xb5] = 0x0 ; //write_buf[0xb6] = 0x0 ; //write_buf[0xb7] = 0x0 ; //write_buf[0xb8] = 0x0 ; //write_buf[0xb9] = 0x0 ; //write_buf[0xba] = 0x0 ; //write_buf[0xbb] = 0x0 ; //bc-bf is reserved //write_buf[0xc0] = 0x0 ; //write_buf[0xc1] = 0x0 ; //write_buf[0xc2] = 0x04 ; //write_buf[0xc3] = 0xdc ; //write_buf[0xc4] = 0x0f ; //write_buf[0xc5] = 0x0 ; //c6-c7 is read only //write_buf[0xc8] = 0x80 ; //write_buf[0xc9] = 0x0 ; //write_buf[0xca] = 0x0 ; //write_buf[0xcb] = 0x4e ; //write_buf[0xcc] = 0x0 ; //write_buf[0xcd] = 0x01 ; //ce is reserved //write_buf[0xcf] = 0x0 ; //write_buf[0xd0] = 0x0 ; //d1-fb is 0xff //write_buf[0xfc] = 0x7f ; //fd-ff is reserved addre