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/*
* Command.cpp
*
* Created on: Jul 8, 2021
* Author: Andreas Berthoud
*/
#include <queue>
#include "Command.hpp"
#include "string.h"
#include "usbd_cdc_if.h"
Command::Command(CommandId id) : id(id) {
this->data[0] = id;
this->data[3] = 0x00; // reserved
this->payload_ptr = this->data + 4;
}
void Command::send() {
uint16_t size = this->payload_length + 5;
this->data[size-1] = 0xff;
CDC_Transmit_FS(this->data, size);
}
void Command::set_payload_length(uint16_t payload_length) {
this->payload_length = payload_length;
data[1] = (payload_length & 0xFF00) >> 8;
data[2] = payload_length & 0x00FF;
}
std::queue<Command> command_queue;
void push_command(const Command &command) {
command_queue.push(command);
}
void pop_and_execute_commands() {
while (!command_queue.empty()) {
Command command = command_queue.front();
command.send();
command_queue.pop();
}
}