96 lines
2.2 KiB
C++
96 lines
2.2 KiB
C++
#include <cmd.h>
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// Global command variable.
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Cmd *cmd;
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// Command entered was invalid, or help is being requested.
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void cmd_unrecognized(Cmd *thisCmd, char *command, bool printHelp) {
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// If help is being requested, print the available commands.
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if (printHelp) {
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// Get the command parameters.
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size_t size = cmd->GetSize();
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PGM_P *commands = cmd->GetCmds();
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// Print each command.
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Serial.println("Available commands:\n");
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for (int i = 0; i < size && commands[i] != NULL; i++) {
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char buf[100];
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sprintf_P(buf, commands[i]);
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Serial.println(buf);
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}
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// Stop here.
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return;
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}
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// No help was requested, so the command provided likely doesn't exist.
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Serial.print("Unrecognized command [");
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Serial.print(command);
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Serial.println("]");
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}
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// Simple echo ping command.
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void cmd_pi(Cmd *thisCmd, char *command, bool printHelp) {
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// If help was requested, print the help for this command.
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if (printHelp) {
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Serial.print(command);
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Serial.println(" *");
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return;
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}
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// Echo back the buffer.
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Serial.println(cmd->GetBuffer());
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}
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// Demo send command.
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void cmd_send(Cmd *thisCmd, char *command, bool printHelp) {
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// If help was requested, print the help.
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if (printHelp) {
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Serial.print(command);
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Serial.println(" address code");
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return;
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}
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// Parse the next available argument.
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char *parsed = cmd->Parse();
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if (parsed == NULL) {
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Serial.println("Invalid address");
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return;
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}
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// Parse integer.
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int address = atoi(parsed);
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// Get the next argument.
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parsed = cmd->Parse();
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if (parsed == NULL) {
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Serial.println("Invalid code");
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return;
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}
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// Parse char.
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unsigned char code = atoi(parsed);
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// Print parsed arguments.
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Serial.print("Sending code: ");
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Serial.print(code);
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Serial.print(" to <");
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Serial.print(address);
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Serial.println(">");
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}
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void setup() {
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// Setup serial interface.
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Serial.begin(9600);
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// Initialize the command line with 2 commands.
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cmd = new Cmd(2, cmd_unrecognized);
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// Add commands.
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cmd->AddCmd(PSTR("pi"), cmd_pi);
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cmd->AddCmd(PSTR("send"), cmd_send);
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// Print a line indicator to inform the user the cli is ready.
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Serial.print(cmd->GetLineIndicator());
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}
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void loop() {
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// Run the command line loop.
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cmd->Loop();
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}
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