uint8_t ICACHE_FLASH_ATTR
twi_writeTo(uint8_t address, uint8_t *buf, unsigned int len,
uint8_t sendStop)
{
unsigned int i;
if (!twi_write_start()) {
serial_print("I2C: bus busy\r\n");
return 4;
}
if (!twi_write_byte(((address << 1) | 0) & 0xFF)) {
if (sendStop)
twi_write_stop();
serial_print("I2C: received NACK on transmit of address\r\n");
return 2;
}
for (i = 0; i < len; i++) {
if (!twi_write_byte(buf[i])) {
if (sendStop)
twi_write_stop();
serial_print("I2C: received NACK on transmit of data\r\n");
return 3;
}
}
if (sendStop)
twi_write_stop();
i = 0;
while (SDA_READ() == 0 && (i++) < 10) {
SCL_LOW();
twi_delay(twi_dcount);
SCL_HIGH();
twi_delay(twi_dcount);
}
return 0;
}
uint8_t ICACHE_FLASH_ATTR
twi_readFrom(uint8_t address, uint8_t *buf, unsigned int len,
uint8_t sendStop)
{
unsigned int i;
if (!twi_write_start()) {
serial_print("I2C: bus busy\r\n");
return 4;
}
if (!twi_write_byte(((address << 1) | 1) & 0xFF)) {
if (sendStop)
twi_write_stop();
serial_print("I2C: received NACK on transmit of address\r\n");
return 2;
}
for (i = 0; i < (len - 1); i++)
buf[i] = twi_read_byte(false);
buf[len - 1] = twi_read_byte(true);
if (sendStop)
twi_write_stop();
i = 0;
while (SDA_READ() == 0 && (i++) < 10) {
SCL_LOW();
twi_delay(twi_dcount);
SCL_HIGH();
twi_delay(twi_dcount);
}
return 0;
}
void check_for_new_bytes_received( )
{
while(serial_get_received_bytes(USB_COMM) != receive_buffer_position)
{
// Remember the byte that was received, ignore if user pushed too many bytes
if ( bytes_received > sizeof(my_received_buffer) )
{
bytes_received = 0;
memset( my_received_buffer, 0, sizeof(my_received_buffer) );
serial_print( "Buffer Exceeded, try again!" );
}
else
{
if ( receive_buffer[receive_buffer_position] == 0x8 || receive_buffer[receive_buffer_position] == 0x7F )
{
// treat this as a backspace
bytes_received = (bytes_received > 0) ? bytes_received - 1 : bytes_received;
my_received_buffer[bytes_received] = '\0';
}
else
{
my_received_buffer[bytes_received] = receive_buffer[receive_buffer_position];
bytes_received++;
}
// echo what was typed on the serial console back to the serial console
serial_print_char( receive_buffer[receive_buffer_position] );
}
// Increment receive_buffer_position, but wrap around when it gets to
// the end of the buffer.
if (receive_buffer_position == sizeof(receive_buffer)-1)
{
receive_buffer_position = 0;
}
else
{
receive_buffer_position++;
}
}
if ( bytes_received && (my_received_buffer[bytes_received-1] == '\r' || my_received_buffer[bytes_received-1] == '\n') )
{
// echo string to serial console
serial_print( "%s", my_received_buffer );
// check makes sure we have atleast 3 bytes of data from user interface
if ( bytes_received > 1)
{
strip( my_received_buffer, sizeof(my_received_buffer) );
process_received_bytes( my_received_buffer );
}
memset( my_received_buffer, 0, sizeof(my_received_buffer) );
bytes_received = 0;
}
}
void gettime()
{
serial_print(gethour());
serial_print(":");
serial_print(getminute());
serial_print(":");
serial_println(getsecond());
serial_println("");
}
void showPCB() {
serial_print("Please enter the name of the desired PCB to view: ");
char* pcbName = polling();
PCB* process = findPCB(pcbName);
if (process == NULL) {
serial_print(pcbName);
serial_println(" is not a valid PCB");
return;
}
PrintPCB(process);
sys_free_mem(pcbName);
sys_free_mem(process);
}
static void endpoint0_transmit(const void *data, uint32_t len)
{
#if 0
serial_print("tx0:");
serial_phex32((uint32_t)data);
serial_print(",");
serial_phex16(len);
serial_print(ep0_tx_bdt_bank ? ", odd" : ", even");
serial_print(ep0_tx_data_toggle ? ", d1\n" : ", d0\n");
#endif
table[index(0, TX, ep0_tx_bdt_bank)].addr = (void *)data;
table[index(0, TX, ep0_tx_bdt_bank)].desc = BDT_DESC(len, ep0_tx_data_toggle);
ep0_tx_data_toggle ^= 1;
ep0_tx_bdt_bank ^= 1;
}
extern "C" int main()
{
pinMode(LED_BUILTIN, OUTPUT);
leds.begin();
// Announce firmware version
serial_begin(BAUD2DIV(115200));
serial_print("Fadecandy v" DEVICE_VER_STRING "\r\n");
// Application main loop
while (usb_dfu_state == DFU_appIDLE) {
watchdog_refresh();
buffers.handleUSB();
updateDrawBuffer(calculateInterpCoefficient());
leds.show();
// Optionally disable dithering by clearing our residual buffer every frame.
if (buffers.flags & CFLAG_NO_DITHERING) {
for (unsigned i = 0; i < CHANNELS_TOTAL; ++i)
residual[i] = 0;
}
}
// Reboot into DFU bootloader
dfu_reboot();
}
static int console_driver_serial_write(console_info_t *info, char c)
{
if (c == 0x8 || c == 0x7f)
{
serial_print("\b \b");
return 1;
}
char cs[2];
cs[0] = c;
cs[1] = 0;
serial_print(cs);
return 1;
}
void __init plat_mem_setup(void)
{
#if 1
board_be_handler = ath_be_handler;
#endif
_machine_restart = ath_restart;
_machine_halt = ath_halt;
pm_power_off = ath_power_off;
/*
** early_serial_setup seems to conflict with serial8250_register_port()
** In order for console to work, we need to call register_console().
** We can call serial8250_register_port() directly or use
** platform_add_devices() function which eventually calls the
** register_console(). AP71 takes this approach too. Only drawback
** is if system screws up before we register console, we won't see
** any msgs on the console. System being stable now this should be
** a special case anyways. Just initialize Uart here.
*/
#ifdef CONFIG_SERIAL_8250
UartInit();
#endif
#ifdef CONFIG_MACH_AR933x
/* clear wmac reset */
ath_reg_wr(ATH_RESET,
(ath_reg_rd(ATH_RESET) & (~ATH_RESET_WMAC)));
#endif
serial_print("Booting %s\n", get_system_type());
}
static void
handle_serial_input(void)
{
while (1) {
switch (serial_getchar()) {
case '\0':
cli();
if (!serial_available())
events &= ~EV_SERIAL;
sei();
return;
case 'O': /* open */
pin_low(PIN_GREEN_LED);
pin_low(PIN_OPEN_LOCK);
_delay_ms(500);
pin_high(PIN_OPEN_LOCK);
serial_print("OPENAKCK\n");
pin_high(PIN_GREEN_LED);
break;
case 'D': /* day */
pin_low(PIN_GREEN_LED);
pin_low(PIN_DAYMODE); /* day mode */
pin_high(PIN_STATUS_LED); /* status on */
break;
case 'N': /* night */
pin_high(PIN_GREEN_LED);
pin_high(PIN_DAYMODE); /* nightmode */
pin_low(PIN_STATUS_LED); /* status off */
break;
case 'R': /* rejected */
pin_low(PIN_YELLOW_LED);
_delay_ms(200);
pin_high(PIN_YELLOW_LED);
_delay_ms(200);
pin_low(PIN_YELLOW_LED);
_delay_ms(200);
pin_high(PIN_YELLOW_LED);
break;
case 'V': /* validated */
pin_low(PIN_GREEN_LED);
_delay_ms(300);
pin_high(PIN_GREEN_LED);
_delay_ms(200);
pin_low(PIN_GREEN_LED);
_delay_ms(300);
pin_high(PIN_GREEN_LED);
_delay_ms(200);
pin_low(PIN_GREEN_LED);
_delay_ms(300);
pin_high(PIN_GREEN_LED);
break;
}
}
}
void setdate()
{
setyear();
setmonth();
setday();
serial_print("Time successfully changed to -> ");
getdate();
}
void settime()
{
sethour();
setminute();
setseconds();
serial_print("Time successfully changed to -> ");
gettime();
}
void help()
{
while(1) {
serial_println("Which command would you like to know more about?");
serial_println("Enter CommandList for a list of commands.");
serial_println("Enter QuitHelp to exit.");
char *command = polling();
if (!strcmpigncase(command, "CommandList")) {
serial_println("Here's a list of available commands:");
serial_println("Version");
serial_println("Help");
serial_println("Setdate");
serial_println("Getdate");
serial_println("Settime");
serial_println("Gettime");
serial_println("Shutdown");
serial_println("");
}
else if (!strcmpigncase(command, "QuitHelp")) {
return;
}
else if (!strcmpigncase(command, "Version")) {
serial_println("Version shows the current version of the operating system.");
return;
}
else if (!strcmpigncase(command, "Help")) {
serial_println("Help gets further help for a prompted command");
return;
}
else if (!strcmpigncase(command, "Setdate")) {
serial_println("Setdate allows the user to set the date of the operating system.");
return;
}
else if (!strcmpigncase(command, "Getdate")) {
serial_println("Getdate returns the current date of the operating system.");
return;
}
else if (!strcmpigncase(command, "Settime")) {
serial_println("Settime allows the user to set the time of the operating system.");
return;
}
else if (!strcmpigncase(command, "Gettime")) {
serial_println("Gettime returns the current date of the operating system.");
return;
}
else if (!strcmpigncase(command, "Shutdown")) {
serial_println("Shutdown turns off the operating system.");
return;
}
else {
serial_print("Unrecognized command: ");
serial_println(command);
}
}
}
void serial_println(char *str)
{
serial_print(str);
//finish by sending a newline character
//usart0_transmit_buffer_insert(0x0D);
//loop_until_bit_is_set(UCSRA, UDRE); // wait for UDR to be clear
//UDR = 0x0D; //send the character
loop_until_bit_is_set(UART_CONTROL_STATUS_REG_A, UART_READY_TO_TRANSMIT); // wait for UDR to be clear
UART_DATA_REG = 0x0D; //send the character
}
void getdate()
{
char *encodedweekday = getweekday();
serial_print(toweekday(encodedweekday));
serial_print(" ");
char *encodedmonth = getmonth();
serial_print(tomonth(encodedmonth));
serial_print(" ");
serial_print(getmonthday());
serial_print(" ");
char *encodedyear = getyear();
char *year = sys_alloc_mem(5);
year[0] = '2';
year[1] = '0';
year[2] = encodedyear[0];
year[3] = encodedyear[1];
year[4] = '\0';
serial_println(year);
serial_println("");
sys_free_mem(encodedyear);
sys_free_mem(encodedweekday);
sys_free_mem(encodedmonth);
sys_free_mem(year);
}
void gettime()
{
outb(0x70, 0x04);
unsigned char bcdtime = inb(0x71);
char *convtime = sys_alloc_mem(5);
fromBCD(bcdtime, convtime);
serial_print(convtime);
serial_print(":");
outb(0x70, 0x02);
bcdtime = inb(0x71);
fromBCD(bcdtime, convtime);
serial_print(convtime);
serial_print(":");
outb(0x70, 0x00);
bcdtime = inb(0x71);
fromBCD(bcdtime, convtime);
serial_println(convtime);
serial_println("");
sys_free_mem(convtime);
}
// send the contents of keyboard_keys and keyboard_modifier_keys
int usb_keyboard_send(void)
{
#if 0
serial_print("Send:");
serial_phex(keyboard_modifier_keys);
serial_phex(keyboard_keys[0]);
serial_phex(keyboard_keys[1]);
serial_phex(keyboard_keys[2]);
serial_phex(keyboard_keys[3]);
serial_phex(keyboard_keys[4]);
serial_phex(keyboard_keys[5]);
serial_print("\n");
#endif
#if 1
uint32_t wait_count=0;
usb_packet_t *tx_packet;
while (1) {
if (!usb_configuration) {
return -1;
}
if (usb_tx_packet_count(KEYBOARD_ENDPOINT) < TX_PACKET_LIMIT) {
tx_packet = usb_malloc();
if (tx_packet) break;
}
if (++wait_count > TX_TIMEOUT || transmit_previous_timeout) {
transmit_previous_timeout = 1;
return -1;
}
yield();
}
*(tx_packet->buf) = keyboard_modifier_keys;
*(tx_packet->buf + 1) = keyboard_media_keys;
memcpy(tx_packet->buf + 2, keyboard_keys, 6);
tx_packet->len = 8;
usb_tx(KEYBOARD_ENDPOINT, tx_packet);
#endif
return 0;
}
void resumePCB()
{
serial_print("Please enter the name of the process to resume: ");
char* name = polling();
PCB *target = findPCB(name);
if(target == NULL)
{
serial_print("Process not found: \"");
serial_print(name);
serial_println("\" is not a valid process name");
}
else
{
target->suspendedState = 0;
serial_print("The process \"");
serial_print(name);
serial_println("\" has resumed successfully");
}
sys_free_mem(name);
sys_free_mem(target);
serial_println("");
}
void main(void) {
serial_print(2, "Done!\n");
spi_slow();
CLEAR_BIT(SPI_CTL, LED_SEL);
spi_xfer(0x01); // write
spi_xfer(0x00); // first pos
spi_xfer(0xff); // turn it all on
spi_xfer(0xff); // turn it all on
spi_xfer(0x01); // write
spi_xfer(0x08); // 9 pos
spi_xfer(0xcc); //
spi_xfer(0xff); // turn it all on
SET_BIT(SPI_CTL, LED_SEL);
while (1);
}
void loop()
{
int addr = 9;
serial_print("Hello World!\r\n"); // only print strings
serial_printf("%d, %s, %p, 0x%X\r\n",
addr, "Hello World!", &addr, 128);
serial_printf("%f\r\n", 11.2); // can not support float
// print float or double:
char out_buf[7];
serial_printf("float: |%s|\r\n", dtostrf(13.6672, 6, 3, out_buf));
serial_printf("float: |%s|\r\n", dtostrf(13.6672, 6, 1, out_buf));
serial_printf("float: |%s|\r\n", dtostrf(13.6672, 3, 3, out_buf));
delay(1800); // delay 1800ms
}
extern "C" int main()
{
pinMode(LED_BUILTIN, OUTPUT);
leds.begin();
// Announce firmware version
serial_begin(BAUD2DIV(115200));
serial_print("Fadecandy v" DEVICE_VER_STRING "\r\n");
// Application main loop
while (usb_dfu_state == DFU_appIDLE) {
watchdog_refresh();
// Select a different drawing loop based on our firmware config flags
switch (buffers.flags & (CFLAG_NO_INTERPOLATION | CFLAG_NO_DITHERING)) {
case 0:
default:
updateDrawBuffer_I1_D1(calculateInterpCoefficient());
break;
case CFLAG_NO_INTERPOLATION:
updateDrawBuffer_I0_D1(0x10000);
break;
case CFLAG_NO_DITHERING:
updateDrawBuffer_I1_D0(calculateInterpCoefficient());
break;
case CFLAG_NO_INTERPOLATION | CFLAG_NO_DITHERING:
updateDrawBuffer_I0_D0(0x10000);
break;
}
// Start sending the next frame over DMA
leds.show();
// We can switch to the next frame's buffer now.
buffers.finalizeFrame();
// Performance counter, for monitoring frame rate externally
perf_frameCounter++;
}
// Reboot into DFU bootloader
dfu_reboot();
}
void __init ath_serial_setup(void)
{
struct uart_port p;
memset(&p, 0, sizeof(p));
p.flags = (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST);
p.iotype = UPIO_MEM32;
p.uartclk = ath_ahb_freq;
p.irq = ATH_MISC_IRQ_UART;
p.regshift = 2;
p.mapbase = (u32) KSEG1ADDR(ATH_UART_BASE);
p.membase = (void __iomem *)p.mapbase;
if (early_serial_setup(&p) != 0)
printk(KERN_ERR "early_serial_setup failed\n");
serial_print("%s: early_serial_setup done..\n", __func__);
}
void settime()
{
serial_println("What is the current hour?");
char *response = polling();
unsigned char portnum = 0x04; //hours port
writetoRTC(portnum, response);
serial_println("What is the current minute?");
response = polling();
portnum = 0x02; //minutes port
writetoRTC(portnum, response);
serial_println("What is the current second?");
response = polling();
portnum = 0x00; //seconds port
writetoRTC(portnum, response);
serial_print("Time successfully changed to -> ");
gettime();
sys_free_mem(response);
}
void menu_process_keypad(int key)
{
serial_print("menu process keyboard ");
serial_println(key);
switch (key) {
case 0: /* cancel */
setmode_cb(MENU_CANCEL);
break;
case KEYPAD_POUND: /* enter */
setmode_cb(modes[mode_idx].mode_val);
break;
case 3:
rotate_mode_up();
break;
case 9:
rotate_mode_down();
break;
default:
break;
}
}
void setdate()
{
serial_println("What day of the week is it?");
char *response = polling();
char *bcdweekday = fromweekday(response);
unsigned char portnum = 0x06; //weekday port
writetoRTC(portnum, bcdweekday);
serial_println("What month is it?");
response = polling();
char *bcdmonth = frommonth(response);
portnum = 0x08; //month port
writetoRTC(portnum, bcdmonth);
serial_println("What day of the month is it?");
response = polling();
portnum = 0x07; //month day port
writetoRTC(portnum, response);
serial_println("What year is it?");
response = polling();
char *bcdyear = sys_alloc_mem(2);
if (strlen(response) != 4 || atoi(response) < 2000) {
bcdyear[0] = '\0';
} else {
bcdyear[0] = response[2];
bcdyear[1] = response[3];
}
portnum = 0x09;
writetoRTC(portnum, bcdyear);
serial_print("Time successfully changed to -> ");
getdate();
sys_free_mem(response);
sys_free_mem(bcdweekday);
sys_free_mem(bcdmonth);
sys_free_mem(bcdyear);
}
void setPriority()
{
serial_print("Please enter the name of the process to alter: ");
char* name = polling();
PCB *target = findPCB(name);
if(target == NULL)
{
serial_print("Process not found: \"");
serial_print(name);
serial_println("\" is not a valid process name");
}
else
{
serial_print("What is the new priority? ");
char* newPriority = polling();
int priority = atoi(newPriority);
if(-1 < priority && 10 > priority)
{
target->priority = priority;
int readyIndex = indexByNameReady(name);
int blockedIndex = indexByNameBlocked(name);
if (readyIndex >= 0) {
removePCBAtIndexReady(readyIndex);
} else {
removePCBAtIndexBlocked(blockedIndex);
}
insertPCB(target);
serial_print("The process \"");
serial_print(name);
serial_println("\" has successfully updated its priority");
}
else
{
serial_println("Cannot set priority: invalid range");
}
sys_free_mem(newPriority);
}
sys_free_mem(name);
sys_free_mem(target);
serial_println("");
}
void getdate()
{
outb(0x70, 0x06);
unsigned char beforeconv = inb(0x71);
char *afterconv = sys_alloc_mem(5);
fromBCD(beforeconv, afterconv);
char *weekday = toweekday(afterconv);
serial_print(weekday);
serial_print(" ");
outb(0x70, 0x08);
beforeconv = inb(0x71);
fromBCD(beforeconv, afterconv);
char *month = tomonth(afterconv);
serial_print(month);
serial_print(" ");
outb(0x70, 0x07);
beforeconv = inb(0x71);
fromBCD(beforeconv, afterconv);
serial_print(afterconv);
serial_print(" ");
outb(0x70, 0x09);
beforeconv = inb(0x71);
fromBCD(beforeconv, afterconv);
char *year = sys_alloc_mem(5);
year[0] = '2';
year[1] = '0';
year[2] = afterconv[0];
year[3] = afterconv[1];
year[4] = '\0';
serial_println(year);
serial_println("");
sys_free_mem(afterconv);
sys_free_mem(weekday);
sys_free_mem(month);
sys_free_mem(year);
}
void deletePCB()
{
serial_print("Please enter the name of the process to delete: ");
char* name = polling();
PCB* target = findPCB(name);
if(target == NULL)
{
if(strlen(name) == 0) {
serial_print("Process not found: \"");
serial_print(name);
serial_println("\" does not appear to exist");
}
}
else
{
int readyIndex = indexByNameReady(name);
int blockedIndex = indexByNameBlocked(name);
PCB* removedPCB = NULL;
if (readyIndex >- 0) {
removedPCB = removePCBAtIndexReady(readyIndex);
} else {
removedPCB = removePCBAtIndexBlocked(blockedIndex);
}
FreePCB(removedPCB);
// if (!FreePCB(removedPCB)) {
serial_print("The process \"");
serial_print(name);
serial_print("\" has been deleted successfully");
// } else {
// serial_print("An error occurred while attempting to remove the process \"");
// serial_print(name);
// serial_println("\"");
//}
}
serial_println("");
}
int
door_main(void)
{
serial_init(9600, 8e2);
pin_mode_output(PIN_RFID_ENABLE);
pin_mode_input(PIN_CLK); /* clk */
pin_mode_input(PIN_DATA); /* data */
pin_mode_output(PIN_GREEN_LED); /* green led lock */
pin_mode_output(PIN_YELLOW_LED); /* yellow led lock */
pin_mode_output(PIN_OPEN_LOCK); /* open */
pin_mode_output(PIN_DAYMODE); /* stay open */
pin_mode_output(PIN_STATUS_LED); /* yellow status */
pin_high(PIN_OPEN_LOCK);
pin_high(PIN_DAYMODE);
pin_high(PIN_GREEN_LED);
pin_high(PIN_YELLOW_LED);
/* trigger pin2 interrupt when the clock
* signal goes high */
pin2_interrupt_mode_rising();
pin2_interrupt_enable();
data_reset();
/* setup timer1 to trigger interrupt a 4 times a second */
timer1_mode_ctc();
timer1_compare_a_set(62499);
timer1_clock_d64();
timer1_interrupt_a_enable();
softserial_init();
pin_mode_output(PIN_RFID_ENABLE);
pin_low(PIN_RFID_ENABLE);
init_mfrc522();
sleep_mode_idle();
while (1) {
/*
* sleep if no new events need to be handled
* while avoiding race conditions. see
* http://www.nongnu.org/avr-libc/user-manual/group__avr__sleep.html
*/
cli();
if (events == EV_NONE && !ev_softserial) {
sleep_enable();
sei();
sleep_cpu();
sleep_disable();
continue;
}
sei();
if (events & EV_SERIAL) {
handle_serial_input();
continue;
}
if (ev_softserial) {
handle_rfid_input();
}
events &= ~EV_DATA;
if (cnt > 0 && data[cnt - 1] == 0xB4) {
if (cnt >= 10) {
struct sha1_context ctx;
char digest[SHA1_DIGEST_LENGTH];
sha1_init(&ctx);
sha1_update(&ctx, (char *)data, 256);
sha1_final(&ctx, digest);
serial_print("HASH+");
serial_hexdump(digest, SHA1_DIGEST_LENGTH);
serial_print("\n");
}
data_reset();
continue;
}
if (events & EV_TIME)
{
char buf[20];
uint8_t len;
len = check_mfrc522(buf, sizeof(buf));
handle_mfr_input(buf, len);
}
events &= ~EV_TIME;
/*
This code can be used during development, to simulate the
press of the '#' button 8 seconds after every idle timeout:
if (second == 32 && cnt < 255)
{
data[cnt] = 0xB4;
cnt++;
events |= EV_DATA;
}
*/
if (second > 10*4) {
serial_print("ALIVE\n");
second = 0;
data_reset();
continue;
}
}
}
void serial_println(char *fmt,...)
{
serial_print(fmt);
serial_printf("\n\r");
}