/**
* @brief shell_func
* @param[in] void
* @param[in,out] void
* @return void
*/
void shell_func (void)
{
cursor_blink();
while(1)
{
PRINT("\r\nBOS# ");
UART0_AsyncReceive(64, g_rx_buffer, &rx_complete);
BOS_WaitEvent(EVT_UART_RECEIVE);
BOS_ClearEvent(EVT_UART_RECEIVE);
if(check_cmd((char *)g_rx_buffer, "help"))
{
cmd_help();
}
else if(check_cmd((char *)g_rx_buffer, "info"))
{
cmd_info();
}
else if(check_cmd((char *)g_rx_buffer, "ps"))
{
cmd_ps();
}
else if(check_cmd((char *)g_rx_buffer, "mbx"))
{
cmd_mbx();
}
else
{
PRINT("\r\nCommand not found, type help for more details\r\n");
}
}
}
/*------------------------------------------------------------------------------
* Display Digit Shifting Routines
*------------------------------------------------------------------------------
*/
void shift_digits_left(void){
int i;
int buf_len;
for(i=0;i<SCROLL_DELAY;i++); // Delay of text moving across the display
digits[cur_pos] &= 0x7F; // Clear the cursor
buf_len = strlen(buffer);
if(buf_len < BUF_SIZE){
buffer_pos++;
if(buffer_pos == buf_len){
buffer_pos--;
}
if(buffer_pos > 3){
for(i=0;i<4;i++){
digits[i] = numtab[buffer[buffer_pos-(3-i)]-'0'];
}
}
}
cursor_blink();
}
int main (void) {
// int i;
int ret;
char *emergency="! EMERGENCY !";
char *welcome="Welcome.";
char *enter_pin="Please Enter PIN.";
char button_read = FALSE; // Local snapshot of Global 'Button'
/* error handling - reset LEDs */
atexit(closing_time);
signal(SIGINT, closing_time);
term_initio();
rs232_open();
setup_ports();
ret = pthread_create( &keypad_thread, NULL, keypad, NULL);
// display_string(welcome,PADDED,BLOCKING);
while(alive){
if(state == EMERGENCY){
display_string(emergency,PADDED,NOT_BLOCKING);
continue;
}
switch(state){
case WAITING_LOGGED_OUT:
display_string(enter_pin,PADDED,NOT_BLOCKING);
digits[0] = 0x80; // Set cursor position
while(!button && alive && state == WAITING_LOGGED_OUT){ // Just Wait
usleep(SLEEP);
}
if(state == EMERGENCY) break; // Get out if there's an emergency
if(button >= '0' && button <= '9'){
state = INPUTTING_PIN; // Fall through to next state
}
else{
break;
}
case INPUTTING_PIN:
if(button_read = button){ // Intentionally Assignment
input_pin(button_read); // Sends a snapshot of button
}
cursor_blink();
break;
case WAITING_LOGGED_IN:
display_string("Enter Track Number.",PADDED,NOT_BLOCKING);
digits[0] = 0x80; // Set cursor position
while(!button && alive && state == WAITING_LOGGED_IN){ // Just Wait
usleep(SLEEP);
}
if(state == EMERGENCY) break; // Get out if there's an emergency
if(button >= '0' && button <= '9'){
state = INPUTTING_TRACK_NUMBER; // Fall through to next state
}
else if(button == ENTER_MENU){
state = MENU_SELECT; // Fall through to next state
break;
}
else{
break;
}
case INPUTTING_TRACK_NUMBER:
if(button_read = button){ // Intentionally Assignment
input_track_number(button_read); // Sends a snapshot of button
}
cursor_blink();
break;
case MENU_SELECT:
display_string("MENU.",PADDED,NOT_BLOCKING);
menu_select();
break;
default:
break;
}
delay();
}
pthread_join(keypad_thread, NULL);
term_exitio();
rs232_close();
return 0;
}
void input_track_number(char button_read){
int i;
switch(button_read){
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if(buffer_cnt != cur_pos){ // If cursor isn't at the end
buffer_cnt--; // Decrement it before next line, lest we wrongly add 1
}
if(++buffer_cnt > 4){ // Button has been pressed, let's up the buffer count
buffer_cnt = 4; // Limit PIN to 4 digits
cur_pos = 4; // Cursor is off the edge of the array and won't blink
buffer[cur_pos] = 0; // Null terminate string containing PIN
}
else{ // Less than 4 digits already? Well, get it in there!
digits[cur_pos] = numtab[button_read-'0'];// Display the digit pressed
buffer[cur_pos] = button_read; // Copy ASCII button press
cur_pos = buffer_cnt; // Point at next empty location
cursor_blink(); // Clear last cursor and move to next empty space
delay(); // Wait to make sure button has stopped being pressed
}
// printf("buffer: %s\nbuffer_cnt: %d\ncur_pos: %d\n",buffer,buffer_cnt,cur_pos);
break;
case ACCEPT_PLAY:
case ENTER_MENU:
if(cur_pos != buffer_cnt){ // Send cursor to the end
cur_pos = buffer_cnt;
}
if(buffer_cnt < 4){
display_string("Invalid.",PADDED,BLOCKING);
}
else{
playing = TRUE;//play_track(buffer,strlen(buffer));
if(playing == TRUE){
printf("Track number: %s\n",buffer);
display_string(" Track Number ",NOT_PADDED,NOT_BLOCKING);
display_string(buffer,NOT_PADDED,NOT_BLOCKING);
display_string(" Playing ",NOT_PADDED,NOT_BLOCKING);
}
else{
display_string("Track not found.",PADDED,NOT_BLOCKING);
}
state = WAITING_LOGGED_IN;
reset_buffer();
}
break;
case CANCEL:
reset_buffer();
state = WAITING_LOGGED_IN; // Go back to waiting
break;
case FORWARD: // Move the cursor forward 1 digit
if(buffer_cnt){
if(++cur_pos>buffer_cnt){ // Scroll as far as 1 digit past last input
cur_pos = buffer_cnt;
}
}
cursor_blink(); // Update Cursor Position
// printf("cursor_position: %d\n",cur_pos);
break;
case BACK:
if(--cur_pos<=0){
cur_pos=0;
}
cursor_blink();
// printf("cursor_position: %d\n",cur_pos);
break;
case DELETE:
if (cur_pos == 4 || cur_pos == buffer_cnt){
buffer[--buffer_cnt] = 0;
digits[cur_pos] &= 0x7F;
digits[--cur_pos] = 0;
cursor_blink();
}
else{
digits[cur_pos] &= 0x7F;
for(i=cur_pos;i<4;i++){
digits[i] = digits[i+1];
buffer[i] = buffer[i+1];
}
buffer[buffer_cnt--] = 0;
digits[3] = 0;
}
if (!buffer_cnt || cur_pos < 0){
cur_pos = 0;
buffer_cnt = 0;
buffer[buffer_cnt] = 0;
}
// printf("buffer: %s\nbuffer_cnt: %d\ncur_pos: %d\n",buffer,buffer_cnt,cur_pos);
break;
default:
break;
}
}