void signal_shutting_down() {
led_digits_set_blink(0);
led_digits_enable();
led_green_set(0);
led_green_set_blink(0);
led_red_set(1);
led_red_set_blink(1);
}
void signal_boot_up() {
led_digits_set_value(0);
led_digits_set_blink(0);
led_red_set(0);
led_green_set(1);
led_green_set_blink(1);
led_red_set_blink(1);
}
void keyboard_task()
{
uint16_t input;
while(1)
{
input = read_inputs_image();
if(input&BUTT_0_MASK) led_green_toggle();
if(input&BUTT_1_MASK) led_red_toggle();
if(input&BUTT_2_MASK) {led_green_toggle();led_red_toggle();}
if(input&BUTT_3_MASK) {led_green_set();led_red_set();}
if(input&BUTT_4_MASK) {led_green_reset();led_red_reset();}
if(input&BUTT_5_MASK) {led_green_set();}
if(input&BUTT_6_MASK) {led_red_set();}
if(input&BUTT_7_MASK) {led_green_reset();}
if(input&BUTT_8_MASK) {led_red_reset();}
if(input&BUTT_9_MASK) {}
if(input&BUTT_F_MASK) {}
if(input&BUTT_N_MASK) {}
}
}
/*****************************************************************************
** Main Function main()
******************************************************************************/
int main (void) {
/* Setup SysTick Timer for 10 msec interrupts */
if (SysTick_Config(SystemCoreClock / 100)) {
while (1); /* Capture error */
}
if (!(SysTick->CTRL & SysTick_CTRL_CLKSOURCE_Msk)) {
/* When external reference clock is used(CLKSOURCE in
Systick Control and register bit 2 is set to 0), the
SYSTICKCLKDIV must be a non-zero value and 2.5 times
faster than the reference clock.
When core clock, or system AHB clock, is used(CLKSOURCE
in Systick Control and register bit 2 is set to 1), the
SYSTICKCLKDIV has no effect to the SYSTICK frequency. See
more on Systick clock and status register in Cortex-M3
technical Reference Manual. */
LPC_SYSCON->SYSTICKCLKDIV = 0x08;
}
GPIOInit();
init_timers();
// The LED on Xpresso
/* Set port 0_7 to output */
GPIOSetDir( LED_PORT, LED_BIT, 1 );
GPIOSetValue( 0, 7, LEDvalue );
// buttons
buttons_init();
power_mgr_init();
// check for 'next' button
if (GPIOGetValue(0, 6)) {
led_digits_init();
led_digits_enable();
//led_digits_set_blink(1);
led_red_set(1);
led_green_set(1);
}
else {
GPIOSetValue( 0, 7, 1 );
delay32Ms(0,500);
GPIOSetValue( 0, 7, 0 );
delay32Ms(0,500);
GPIOSetValue( 0, 7, 1 );
delay32Ms(0,500);
GPIOSetValue( 0, 7, 0 );
delay32Ms(0,500);
GPIOSetValue( 0, 7, 1 );
delay32Ms(0,500);
GPIOSetValue( 0, 7, 0 );
delay32Ms(0,500);
}
// BARCODE reader
barcode_init();
barcode_reset();
// RFID reader
rdm630_init();
rdm630_reset();
// UART
UARTInit(115200);
// Enable the UART Interrupt
NVIC_EnableIRQ(UART_IRQn);
LPC_UART->IER = IER_RBR | IER_RLS;
logger_setEnabled(1);
logger_logStringln("/O:entering main loop..."); // send online message (means i'm online)
uint8_t counter = 0;
for(counter = 0; counter < 100; counter++) {
led_digits_set_value(counter);
delay32Ms(0, 20);
}
for(counter = 0; counter < 10; counter++) {
led_digits_set_value_by_chars('0' + counter, '0' + counter);
delay32Ms(0, 200);
}
delay32Ms(0, 200);
led_digits_enable();
signal_boot_up();
int8_t last_remaining_seconds = -1;
while (1) {
/* process logger */
if (logger_dataAvailable() && UARTTxEmpty) {
uint8_t iCounter;
// fill transmit FIFO with 14 bytes
for (iCounter = 0; iCounter < 14 && logger_dataAvailable(); iCounter++) {
UARTSendByte(logger_read());
}
}
power_mgr_process(msTicks);
barcode_process(msTicks);
rdm630_process(msTicks);
buttons_process(msTicks);
led_digits_process(msTicks);
/*
if (power_mgr_is_shutting_down()) {
if (power_mgr_get_remaining_player_seconds() != last_remaining_seconds) {
last_remaining_seconds = power_mgr_get_remaining_player_seconds();
led_digits_set_value(last_remaining_seconds);
}
if (last_remaining_seconds == 0) {
led_green_set(0);
led_red_set(1);
led_digits_disable();
}
continue;
}
*/
main_process_barcode();
main_process_rfid();
main_process_buttons();
main_process_uart();
}
}
void main_process_uart() {
if (UARTCount > 0 && UARTBuffer[UARTCount-1] == 0x0A) {
// command structure:
// [0] = '/' => identifier
// [1] = <command>
// [2] = ':' => separator
// [3] = <param1>
// [4] = <param2>
// etc.
// [n] = 0x0A
if (UARTCount > 3 && UARTBuffer[0] == '/' && UARTBuffer[2] == ':') {
uint8_t command = UARTBuffer[1];
// heart beat message from player
if (command == 'H') {
led_digits_set_blink(0);
led_digits_set_blink_interval(500);
led_green_set_blink(0);
led_red_set_blink(0);
led_red_set(0);
led_green_set(1);
// send heart beat
logger_logString("/H:0");
logger_logCRLF();
}
// set led digits
// e.g. /L:13 -> output 13
if (command == 'L' && UARTCount > 5) {
uint8_t digit1 = UARTBuffer[3];
uint8_t digit0 = UARTBuffer[4];
// update only if new
/*
if (digit0 != last_digit_0 || digit1 != last_digit_1) {
last_digit_0 = digit0;
last_digit_1 = digit1;
}
*/
led_digits_set_value_by_chars(digit0, digit1);
}
// set led
// "/l:R0" -> led red off
// "/l:R1" -> led red on
// "/l:R2" -> led red blink off
// "/l:R3" -> led red blink on
// "/l:G0" -> led green off
// "/l:G1" -> led green on
// "/l:G2" -> led green blink off
// "/l:G3" -> led green blink on
if (command == 'l' && UARTCount > 5) {
uint8_t param1 = UARTBuffer[3];
uint8_t param2 = UARTBuffer[4];
if (param1 == 'R') {
switch (param2) {
case '0' : led_red_set(0); break;
case '1' : led_red_set(1); break;
case '2' : led_red_set_blink(0); break;
case '3' : led_red_set_blink(1); break;
}
}
if (param1 == 'G') {
switch (param2) {
case '0' : led_green_set(0); break;
case '1' : led_green_set(1); break;
case '2' : led_green_set_blink(0); break;
case '3' : led_green_set_blink(1); break;
}
}
}
// shutdown message
// message '/S:xx'
// e.g. '/S:30' shutdown in 30 seconds
if (command == 'S' && UARTCount > 5) {
// do somegthing
int8_t param1 = get_char_to_int(UARTBuffer[3]);
int8_t param2 = get_char_to_int(UARTBuffer[4]);
if (param1 > -1 && param2 > -1) {
signal_shutting_down();
int8_t seconds = param1*10 + param2;
power_mgr_shutdown_player(seconds);
}
}
// message blink digits
if (command == 'D' && UARTCount > 4) {
uint8_t param1 = UARTBuffer[3];
switch (param1) {
case '0' : led_digits_disable(); led_digits_set_blink(0); break;
case '1' : led_digits_enable(); led_digits_set_blink(0); break;
case '2' : led_digits_set_blink(0); led_digits_enable(); break;
case '3' : led_digits_set_blink(1); break;
}
/*
// e.g. '/D:15'
if (UARTCount >= 5 && UARTBuffer[4] >= '0' && UARTBuffer[4] <= '9') {
uint16_t interval = 100 * UARTBuffer[4];
led_digits_set_blink_interval(interval);
}
*/
}
// message power management control
// "/P:P0" -> player off (use with care!)
// "/P:P1" -> player on (obsolete)
// "/P:A0" -> amp off
// "/P:A1" -> amp on
if (command == 'P' && UARTCount > 5) {
uint8_t param1 = UARTBuffer[3];
uint8_t param2 = UARTBuffer[4];
if (param1 == 'P') {
switch (param2) {
case '0' : power_mgr_set_player(0); break;
case '1' : power_mgr_set_player(1); break;
}
}
if (param1 == 'A') {
switch (param2) {
case '0' : power_mgr_set_amp(0); break;
case '1' : power_mgr_set_amp(1); break;
}
}
}
}
UARTCount = 0;
}
}
