/*
* ======== Global_getCpuLoad ========
*/
Int Global_getCpuLoad(Void)
{
return (Load_getCPULoad());
}
/*
* ======== consoleTaskFxn ========
* Console task
*
* This task listens to the key pressed in the keyboard through USBCDC.
* The string ended with return character '\n' will trigger the task
* to send this string to the mailbox.
* For example, when the user enter "ls\n", this task will scan all the
* files in the root of SD card and send the file list to the mailbox to
* inform the drawing task to display on the screen.
* The up/down arrow can be used to scroll up/down to display more files
* in the SD card.
*/
Void consoleTaskFxn (UArg arg0, UArg arg1)
{
unsigned int count;
unsigned int cpuLoad;
char input[128];
UInt key;
DrawMessage drawMsg;
count = 1;
/* printf goes to the UART com port */
printf("\f======== Welcome to the Console ========\n");
printf("Enter a command followed by return.\n"
"Type help for a list of commands.\n\n");
printf("%d %% ", count++);
fflush(stdout);
/* Loop forever receiving commands */
while(true) {
/* Get the user's input */
scanf("%s", input);
/* Flush the remaining characters from stdin since they are not used. */
fflush(stdin);
if (!strcmp(input, "a")) {
/* Print the CPU load */
cpuLoad = Load_getCPULoad();
printf("CPU Load: %d\n", cpuLoad);
drawMsg.drawCommand = KeyBoadCOMMAND;
up_remove_blank(4);
up(4);
// copy the data to message
key = Gate_enterSystem();
copyFrom2048ArrayToDrawMessage(4,drawMsg.draw2048 , Array2048);
Gate_leaveSystem(key);
Mailbox_post(mailboxHandle, &drawMsg, BIOS_WAIT_FOREVER);
}
else if (!strcmp(input, "d")) {
/* Print the CPU load */
cpuLoad = Load_getCPULoad();
printf("CPU Load: %d\n", cpuLoad);
drawMsg.drawCommand = KeyBoadCOMMAND;
down_remove_blank(4);
down(4);
// copy the data to message
key = Gate_enterSystem();
copyFrom2048ArrayToDrawMessage(4,drawMsg.draw2048 , Array2048);
Gate_leaveSystem(key);
Mailbox_post(mailboxHandle, &drawMsg, BIOS_WAIT_FOREVER);
} else if (!strcmp(input, "w")) {
/* Print the CPU load */
cpuLoad = Load_getCPULoad();
printf("CPU Load: %d\n", cpuLoad);
drawMsg.drawCommand = KeyBoadCOMMAND;
left_remove_blank(4);
left(4);
// copy the data to message
key = Gate_enterSystem();
copyFrom2048ArrayToDrawMessage(4,drawMsg.draw2048 , Array2048);
Gate_leaveSystem(key);
Mailbox_post(mailboxHandle, &drawMsg, BIOS_WAIT_FOREVER);
} else if (!strcmp(input, "s")) {
/* Print the CPU load */
cpuLoad = Load_getCPULoad();
printf("CPU Load: %d\n", cpuLoad);
drawMsg.drawCommand = KeyBoadCOMMAND;
right_remove_blank(4);
right(4);
// copy the data to message
key = Gate_enterSystem();
copyFrom2048ArrayToDrawMessage(4,drawMsg.draw2048 , Array2048);
Gate_leaveSystem(key);
Mailbox_post(mailboxHandle, &drawMsg, BIOS_WAIT_FOREVER);
}
else if (!strcmp(input, "exit")) {
/* Exit the console task */
printf("Are you sure you want to exit the console? Y/N: ");
fflush(stdout);
scanf("%s", input);
fflush(stdin);
if ((input[0] == 'y' || input[0] == 'Y') && input[1] == 0x00) {
printf("Exiting console, goodbye.\n");
Task_exit();
}
}
else {
/* Print a list of valid commands. */
printf("Valid commands:\n"
"- w: move up.\n"
"- a: move left.\n"
"- s: move down.\n"
"- a: move right.\n"
"- exit: Exit the console task.\n");
}
fillBox(4);
// printf("%d %% ", count++);
fflush(stdout);
}
}
