diff options
Diffstat (limited to 'src/main.c')
| -rw-r--r-- | src/main.c | 50 |
1 files changed, 23 insertions, 27 deletions
@@ -13,6 +13,7 @@ #include <linux/i2c-dev.h> #include <sys/ioctl.h> +#include "deftypes.h" #include "lm75.h" #include "hih61xx.h" #include "hmc5883.h" @@ -27,8 +28,8 @@ // extern void hih61xx_read_one(const char *opts); -int file; -char temp[256]; +uint16 devicef; //# Bus-Device file +uchar temp[256]; void (*print_all)(void) = NULL; void (*read_all)(const char *opts) = NULL; void (*read_one)(const char *opts) = NULL; @@ -40,10 +41,11 @@ void print_help(void) { " i2sensors <op> <bus> <dev_type> <dev_addr> (<options>)\n" "\n" "Aviable options: <op>\n" - " print_all -- list all available measurement parameters of the device\n" - " read_all -- read all measured parameters from device\n" - " read_one -- read the selected parameters from device\n" - " conf_set -- set the configuration register\n" + " print_all -- list all available measurement parameters of the device\n" + " read_all -- read all measured parameters from device\n" + " read_one -- read the selected parameters from device\n" + " read_repeat -- read measurements continously\n" + " conf_set -- set the configuration register\n" "\n" "Usage:\n" " i2sensors read_all <bus> <device-type> <address> \n" @@ -101,44 +103,40 @@ int main(int argc, char *argv[]) // ...set_reg... <dev_addr>, <reg_addr,value_hex> - if(4 < argc && argc < 10) //Minimal 5 argument passed + if(4 < argc && argc < 10) //Minimum 5 arguments should be passed. { char filename[32]; int i; preinit(argv[3]); - for(i=0;i<strlen(argv[2]);i++) //Some test on bus address, for safety. - { + for( i = 0; i < strlen(argv[2]); i++){ //# Test on bus address, for error detection. if(!isdigit(argv[2][i])){ - printf("\n\tThe BUS Address must be an integer\n\n"); + printf("\n\tThe BUS Address must be an integer!\n\n"); print_help(); exit (EXIT_FAILURE); } } - snprintf(filename, 31, "/dev/i2c-%s", argv[2]); //Open i2c bus - file = open(filename, O_RDWR); + snprintf(filename, 31, "/dev/i2c-%s", argv[2]); + devicef = open(filename, O_RDWR); //# Open the i2c bus - if (file < 0){ + if (devicef < 0){ printf("\n\tCan't open i2c BUS. Have you any permission?\n\n"); print_help(); exit (EXIT_FAILURE); } - if(argv[4][0]=='0' && argv[4][1]=='x'){ // Hexadecimal device address + if(argv[4][0]=='0' && argv[4][1]=='x'){ //# Hexadecimal representetion of device address - long addr = (int)strtol(argv[4], NULL, 0); //# strtol() is working with hex string + long addr = (int)strtol(argv[4], NULL, 0); //# strtol() is working with hex-string correctly - if (ioctl(file, I2C_SLAVE, addr) < 0) - { + if (ioctl(devicef, I2C_SLAVE, addr) < 0){ //# Seeking/Opening the device on the Bus printf("\n\tCan't open i2c DEVICE, errno: %d\n\n",errno); print_help(); exit (EXIT_FAILURE); } - } - else - { + } else { printf("\n\tThe DEVICE address must be a hexadecimal number\n\n"); print_help(); exit (EXIT_FAILURE); @@ -146,25 +144,23 @@ int main(int argc, char *argv[]) - if(!strcmp("print_all",argv[1]) && print_all != NULL) // If list_all is selected. - { + if(!strcmp("print_all",argv[1]) && print_all != NULL){ //# Gets the device's help message. print_all(); } - else if(!strcmp("read_all",argv[1]) && read_all != NULL) - { + else if(!strcmp("read_all",argv[1]) && read_all != NULL){ //# Pulls all readable registers data from device // read_all(argv[5]); read_all(NULL); } - else if(!strcmp("read_one",argv[1]) && read_one != NULL && argc > 5) + else if(!strcmp("read_one",argv[1]) && read_one != NULL && argc > 5) //# Prints out the selected register { read_one(argv[5]); } - else + else //# No other option { print_help(); } - close(file); + close(devicef); } else |