add the ability to select a specific device via serial number
add a interactive mode add a batch mode
This commit is contained in:
Carl Philipp Klemm
parent
e43ef91f85
commit
c7603f54c4
5 changed files with 207 additions and 92 deletions
237
main.c
237
main.c
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@ -29,15 +29,11 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <signal.h>
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#include "eismultiplexer.h"
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#include "options.h"
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void print_help(const char* progname)
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{
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printf("usage: %s [OPERATION] [CHANNEL] [VALUE]\n", progname);
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printf("available operations: connect disconnect clear connect_all get help\n");
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}
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channel_t char_to_channel(char ch)
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static channel_t char_to_channel(char ch)
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{
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switch(ch)
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{
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@ -74,53 +70,73 @@ channel_t char_to_channel(char ch)
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}
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}
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void disconnect(struct eismultiplexer* multiplexer)
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static int process_commands(char** commands, size_t command_count, struct eismultiplexer* multiplexer, char* name)
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{
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eismultiplexer_set_led(multiplexer, false);
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eismultiplexer_disconnect(multiplexer);
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}
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if(strcmp(commands[0], "clear") == 0)
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{
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eismultiplexer_disconnect_channel(multiplexer, CHANNEL_NONE);
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}
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else if(strcmp(commands[0], "write") == 0)
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{
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if(command_count < 3)
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{
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printf("Usage %s %s [ADDRESS] [VALUE]\n", name, commands[0]);
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return 2;
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}
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long address = strtol(commands[1], NULL, 10);
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long value = strtol(commands[2], NULL, 10);
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if(address > UINT16_MAX || address < 0 || value < 0 || value > UINT16_MAX)
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{
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puts("Value or address is out of range");
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return 2;
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}
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if(address % 2 == 1)
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{
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puts("Address must be a even number, 16 bits are written at a time");
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return 2;
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}
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eismultiplexer_write_eeprom(multiplexer, address, value);
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}
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else if(strcmp(commands[0], "read") == 0)
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{
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if(command_count < 2)
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{
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printf("Usage %s %s [ADDRESS] [LENGTH]\n", name, commands[0]);
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return 2;
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}
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long address = strtol(commands[1], NULL, 10);
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long length = 2;
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if(command_count > 2)
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length = strtol(commands[2], NULL, 10);
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if(address > UINT16_MAX || address < 0 || length < 0 || length > UINT16_MAX)
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{
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return 2;
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puts("Value or address is out of range");
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}
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if(address % 2 == 1)
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{
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puts("Address must be a even number, 16 bits are read at a time");
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return 2;
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}
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if(length % 2 == 1)
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{
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puts("Length must be a even number, 16 bits are read at a time");
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return 2;
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}
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int main(int argc, char* argv[])
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{
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if(argc < 2 || strcmp(argv[1], "help") == 0)
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{
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print_help(argv[0]);
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return 0;
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}
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struct eismultiplexer multiplexer;
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if(eismultiplexer_connect(&multiplexer, 0))
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{
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printf("Can not connect to EISmultiplexer device\n");
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return 1;
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for(uint16_t i = address; i - address < length; i+=2)
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{
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uint16_t value = eismultiplexer_read_eeprom(multiplexer, i);
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printf("%u: %u\n", i, value);
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}
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}
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eismultiplexer_set_led(&multiplexer, true);
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if(strcmp(argv[1], "clear") == 0)
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else if(strcmp(commands[0], "connect_all") == 0)
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{
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eismultiplexer_disconnect_channel(&multiplexer, CHANNEL_NONE);
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eismultiplexer_connect_channel(multiplexer, 0xff);
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}
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else if(strcmp(argv[1], "write") == 0)
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else if(strcmp(commands[0], "get") == 0)
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{
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eismultiplexer_write_eeprom(&multiplexer, 0, 42);
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}
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else if(strcmp(argv[1], "read") == 0)
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{
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uint16_t value = eismultiplexer_read_eeprom(&multiplexer, 0);
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printf("0: %u\n", value);
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}
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else if(strcmp(argv[1], "connect_all") == 0)
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{
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eismultiplexer_connect_channel(&multiplexer, 0xff);
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}
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else if(strcmp(argv[1], "get") == 0)
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{
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channel_t channels = eismultiplexer_get_connected(&multiplexer);
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printf("%d\n", channels);
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channel_t channels = eismultiplexer_get_connected(multiplexer);
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for(size_t i = 0; i < 7; ++i)
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{
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bool connected = channels & (1 << i);
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@ -129,41 +145,134 @@ int main(int argc, char* argv[])
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}
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else
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{
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if(argc != 3)
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if(command_count != 2)
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{
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printf("Usage %s %s [CHANNEL]\n", argv[0], argv[1]);
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disconnect(&multiplexer);
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printf("Usage %s %s [CHANNEL]\n", name, commands[0]);
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return 2;
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}
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channel_t channel = char_to_channel(argv[2][0]);
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channel_t channel = char_to_channel(commands[1][0]);
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if(channel == CHANNEL_NONE)
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{
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printf("%c is not a valid channel\n", argv[2][0]);
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disconnect(&multiplexer);
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printf("%c is not a valid channel\n", commands[1][0]);
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return 2;
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}
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if(strcmp(argv[1], "connect") == 0)
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if(strcmp(commands[0], "connect") == 0)
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{
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if(eismultiplexer_connect_channel(&multiplexer, channel))
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if(eismultiplexer_connect_channel(multiplexer, channel))
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{
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printf("could not connect channel %c\n", argv[2][0]);
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disconnect(&multiplexer);
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printf("could not connect channel %c\n", commands[1][0]);
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return 3;
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}
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}
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else if(strcmp(argv[1], "disconnect") == 0)
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else if(strcmp(commands[0], "disconnect") == 0)
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{
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if(eismultiplexer_disconnect_channel(&multiplexer, channel))
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if(eismultiplexer_disconnect_channel(multiplexer, channel))
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{
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printf("could not disconnect channel %c\n", argv[2][0]);
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disconnect(&multiplexer);
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printf("could not disconnect channel %c\n", commands[1][0]);
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return 3;
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}
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}
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}
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disconnect(&multiplexer);
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return 0;
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}
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enum
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{
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INPUT_SUCESS = 0,
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INPUT_NO_INPUT,
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INPUT_TOO_LONG
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};
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static int get_input(char *prompt, char *buffer, size_t length)
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{
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int ch, extra;
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if(prompt != NULL)
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{
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fputs(prompt, stdout);
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fflush(stdout);
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}
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if(fgets (buffer, length, stdin) == NULL)
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return INPUT_NO_INPUT;
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if(buffer[strlen(buffer)-1] != '\n')
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{
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extra = 0;
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while((ch = getchar()) != '\n' && ch != EOF)
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extra = 1;
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return (extra == 1) ? INPUT_TOO_LONG : INPUT_SUCESS;
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}
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buffer[strlen(buffer)-1] = '\0';
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return INPUT_SUCESS;
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}
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int main(int argc, char* argv[])
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{
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struct config config = {};
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argp_parse(&argp, argc, argv, 0, 0, &config);
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if(config.command_count < 1 && !(config.interactive || config.pipe))
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{
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printf("A command is required\n");
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return 2;
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}
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struct eismultiplexer multiplexer;
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if(eismultiplexer_connect(&multiplexer, config.serialSet ? config.serial : 0))
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{
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char serialStr[5];
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snprintf(serialStr, sizeof(serialStr), "%04hu", config.serial);
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printf("Can not connect to EISmultiplexer device%s%s\n",
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config.serialSet ? " with serial " : "", config.serialSet ? serialStr : "");
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return 1;
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}
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int ret = 0;
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if(config.interactive || config.pipe)
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{
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char buffer[256];
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while(true)
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{
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int ret = get_input(config.pipe ? NULL : "> ", buffer, sizeof(buffer));
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if(ret == INPUT_NO_INPUT)
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{
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break;
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}
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else if(ret != INPUT_SUCESS)
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{
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puts("Invalid command");
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continue;
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}
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char* commands[MAX_COMMANDS];
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char* command = strtok(buffer, " \t");
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size_t i = 0;
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while(command && i < MAX_COMMANDS)
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{
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commands[i] = command;
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command = strtok(NULL, " \t");
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++i;
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}
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int cmdRet = process_commands(commands, i, &multiplexer, "");
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if(cmdRet == 0)
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puts("OK");
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else
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printf("ERR %i\n", cmdRet);
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}
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}
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else
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{
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eismultiplexer_set_led(&multiplexer, true);
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ret = process_commands(config.commands, config.command_count, &multiplexer, argv[0]);
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eismultiplexer_set_led(&multiplexer, false);
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}
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eismultiplexer_disconnect(&multiplexer);
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return ret;
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}
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