/* send a found device info according to passed index */
void conn_send_found_device(uint8_t found_dev_index)
{
char ascii_address[12];
uart_send_string((uint8_t *)"OK-", 3);
/* check required device index */
if(found_dev_index < devices_list_index)
{
/* connvert and send the device address */
util_address_to_string(found_devices[found_dev_index].gap_addr.addr, ascii_address);
uart_send_string((uint8_t *)ascii_address, 12);
app_uart_put('-');
/* send device name */
if(found_devices[found_dev_index].name_length > 0)
{
uart_send_string(found_devices[found_dev_index].name, found_devices[found_dev_index].name_length-1);
}
else
{
uart_send_string((uint8_t *)"Unknown", 7);
}
}
else
{
uart_send_string((uint8_t *)"ERROR", 5);
}
app_uart_put('.');
}
void send_command(uint8_t * string) {
while(!have_carrot);
have_carrot = 0;
uart_send_string(string);
uart_send_string("\n\r");
}
int main(void) {
uart_init();
adc0_init();
uint16_t adc_value;
char adc_value_str[5];
while(1) {
// Get the ADC value
ADCSRA |= (1 << ADSC); // Start ADC conversion
loop_until_bit_is_clear(ADCSRA, ADSC); // Wait until done
adc_value = ADC; // Read ADC in
// Send the value to UART
snprintf((char *) &adc_value_str, 5, "%d", adc_value);
uart_send_string(adc_value_str); // Send a string to UART
uart_send_string("\r\n"); // Send a string to UART
// Wait
_delay_ms(1000); // Wait 1000ms
}
return(0);
}
int main(void)
{
// board setup stuff
led_init();
uart_init();
floppy_low_init();
sdpin_init();
spi_low_cs_init();
spi_low_mst_init();
//timer_init();
// say hello
uart_send_string((u08 *)"--- dfx-sampler sam7x/SPI ---");
uart_send_crlf();
// do initial setup
rtc_init();
memory_init();
floppy_select_on();
track_init();
floppy_select_off();
net_init();
// print current RTC
uart_send_string((u08 *)"rtc: ");
uart_send_string((u08 *)rtc_get_time_str());
uart_send_crlf();
// show network info
net_info();
while(1) {
uart_send_string((u08 *)"> ");
led_green(1);
// get next command via SPI
u08 *cmd;
u08 len = cmd_uart_get_next(&cmd);
led_green(0);
if(len>0) {
u08 result[CMD_MAX_SIZE];
u08 res_size = CMD_MAX_SIZE;
// parse and execute command
cmd_parse(len, cmd, &res_size, result);
// report result
if(res_size > 0) {
uart_send_data(result, res_size);
uart_send_crlf();
}
}
}
}
void status_info(void)
{
uart_send_string((u08 *)"SC: ");
uart_send_hex_dword_space(status.samples);
uart_send_hex_dword_space(status.word_values);
uart_send_hex_dword_crlf(status.timer_overflows);
uart_send_string((u08 *)"SE: ");
uart_send_hex_dword_space(status.cell_overruns);
uart_send_hex_dword_crlf(status.data_overruns);
}
void boot_loader()
{
// load program named "boot"
long phdrs[128];
current.phdr = (uintptr_t)phdrs;
current.phdr_size = sizeof(phdrs);
uart_send_string("Loadng linux ELF\n");
load_elf("vmlinux", ¤t);
uart_send_string("Linux ELF loaded\n");
run_loaded_program();
}
/*----------------------------
Send one byte data to PC
Input: dat (UART data)
Output:-
----------------------------*/
void uart_send_hex_byte(BYTE dat) {
char ch;
uart_send_string("BYTE: ");
ch = HEX_TABLE[(dat >> 4) & 0x0f];
uart_send_data(ch);
ch = HEX_TABLE[dat & 0x0f];
uart_send_data(ch);
uart_send_string("\r\n");
}
void send_message(char name[], const char *attr[], uint8_t attr_length) {
//EXAMPLE COMMAND
//const char * attr[] = {"DATA1", "DATA2"};
//send_message("ROTATE", attr, 2)
int i;
uart_send_char('#');
uart_send_string(name);
for(i = 0; i < attr_length; ++i){
uart_send_char(':');
uart_send_string(attr[i]);
}
uart_send_char(';');
}
/**
* Displays a hex dump on the debug console (16 bytes per line)
* \param pbData Pointer to dump data
* \param ulDataLen Length of data dump
*/
void DumpData(uint8_t* pbData, uint32_t ulDataLen)
{
uint8_t vl_buf[16];
uint32_t ulIdx = 0;
char word[16];
uint8_t i = 0;
for(ulIdx = 0; ulIdx < ulDataLen; ++ulIdx)
{
if(0 == (ulIdx % 16) && ulIdx)
{
for (i = 0; i < 16; i++)
{
//uart0_send_data(word[i]);
uart_send_data(UART1_BASE_PTR, word[i]);
}
//uart0_send_string("\r\n");
uart_send_string(UART1_BASE_PTR, "\r\n");
}
if (pbData[ulIdx] > 31 && pbData[ulIdx] < 127)
{
word[ulIdx%16] = pbData[ulIdx];
}
else
{
word[ulIdx%16] = '.';
}
snprintf((char*)vl_buf, sizeof(vl_buf), "%02X ", pbData[ulIdx]);
//uart0_send_string(vl_buf);
uart_send_string(UART1_BASE_PTR, vl_buf);
}
if ((ulIdx % 16) == 0)
ulIdx = 16;
else
ulIdx = ulIdx % 16;
for (i = 0; i < ulIdx; i++)
{
//uart0_send_data(word[i]);
uart_send_data(UART1_BASE_PTR, word[i]);
}
// uart0_send_string("\r\n");
uart_send_string(UART1_BASE_PTR, "\r\n");
}
int auswertung()
{
int result = -1;
switch(uart_string[0])
{
case 's':
result=set();
break;
case 'g':
result=get();
break;
case 'c':
send_time_sync();
break;
#if funk == 1
case 'p':
packet();
break;
#endif
#if testing == 1
case 't':
test();
break;
#endif
default:
uart_send_pgm_string(cmd_not_fnd);
uart_send_char(uart_string[0]);
uart_send_string("\n\r\0");
}
return result;
}
// clock commands
static void cmd_clock(void)
{
u08 cmd, value;
u08 exit = 0;
rtc_time t;
while((cmd = get_char()) != 0) {
switch(cmd) {
case '?': // get time (raw)
{
rtc_get(t);
for(int i=0;i<7;i++) {
uart_send_hex_byte_space(t[i]);
}
uart_send_crlf();
set_result(0);
}
break;
case 't': // get time
{
u08 *str = (u08 *)rtc_get_time_str();
uart_send_string(str);
uart_send_crlf();
}
break;
case 'y': // set year
value = parse_hex_byte(0);
rtc_set_entry(RTC_INDEX_YEAR, value);
break;
case 'o': // set year
value = parse_hex_byte(1);
rtc_set_entry(RTC_INDEX_MONTH, value);
break;
case 'd': // set day
value = parse_hex_byte(1);
rtc_set_entry(RTC_INDEX_DAY, value);
break;
case 'h': // set hour
value = parse_hex_byte(0);
rtc_set_entry(RTC_INDEX_HOUR, value);
break;
case 'i': // set minute
value = parse_hex_byte(1);
rtc_set_entry(RTC_INDEX_MINUTE, value);
break;
case 's': // set seconds
value = parse_hex_byte(1);
rtc_set_entry(RTC_INDEX_SECOND, value);
break;
default:
set_result(ERROR_SYNTAX);
case '.':
exit = 1;
break;
}
if(exit) break;
}
}
int uart_put_char(int n_uart, unsigned char c)
{
uint8_t buf[1];
buf[0] = c;
LPC_UART0->IER = IER_THRE | IER_RLS; // Disable RBR
uart_send_string(n_uart, buf, 1);
LPC_UART0->IER = IER_THRE | IER_RLS | IER_RBR; // Re-enable RBR
}
/*----------------------------
Send one byte data to PC
Input: dat (UART data)
Output:-
----------------------------*/
void uart_send_hex_word(WORD dat) {
char ch;
uart_send_string("WORD: ");
ch = HEX_TABLE[(dat >> 12) & 0x0f];
uart_send_data(ch);
ch = HEX_TABLE[(dat >> 8) & 0x0f];
uart_send_data(ch);
ch = HEX_TABLE[(dat >> 4) & 0x0f];
uart_send_data(ch);
ch = HEX_TABLE[(dat >> 0) & 0x0f];
uart_send_data(ch);
uart_send_string("\r\n");
}
void main(void)
{
// sample text
char rc;
serial_t sobj;
// mbed uart test
serial_init(&sobj,UART_TX,UART_RX);
serial_baud(&sobj,38400);
serial_format(&sobj, 8, ParityNone, 1);
uart_send_string(&sobj, "UART API Demo...\r\n");
uart_send_string(&sobj, "Hello World!!\r\n");
while(1){
uart_send_string(&sobj, "\r\n8195a$");
rc = serial_getc(&sobj);
serial_putc(&sobj, rc);
}
}
void uart_socket_example_1(void *param)
{
// sample text
char rc;
serial_t sobj;
// mbed uart test
serial_init(&sobj,PA_7,PA_6);
serial_baud(&sobj,9600);
serial_format(&sobj, 8, ParityNone, 1);
uart_send_string(&sobj, "UART API Demo...\r\n");
uart_send_string(&sobj, "Hello World!!\r\n");
while(1){
//uart_send_string(&sobj, "\r\n8195a$");
rc = serial_getc(&sobj);
//serial_putc(&sobj, rc);
printf("%x\n",rc);
}
}
/**
* Displays isr debug messages on the console
* Note: This function should be called from isr
*/
void traceInfo_output(const char* fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vsnprintf((char*)isr_output_msg, sizeof(isr_output_msg), fmt, ap);
va_end(ap);
// uart0_send_string(isr_output_msg);
uart_send_string(UART1_BASE_PTR, isr_output_msg);
}
/* send a number of found devices */
void conn_send_num_found_devices(void)
{
char string[4];
/* build the string */
string[0] = 'O';
string[1] = 'K';
string[2] = '-';
string[3] = (char)(0x30 | devices_list_index); /* ascii conversion */
/* send the string */
uart_send_string((uint8_t *)string, 4);
app_uart_put('.');
}
static bool_t write_fifo( uint8_t *payload, uint16_t len)
{
DBG_ASSERT(payload != NULL __DBG_LINE);
if (len > SEND_SIZE)
{
DBG_ASSERT(FALSE __DBG_LINE);
}
osel_memset(recv.buf, 0 , SIZE);
recv.offset = 0;
uart_send_string(gprs_info.uart_port, payload, len);
return TRUE;
}
void spectrum_info(u16 table[256], int verbose)
{
// dump range
// 01234567890123
// XE: xx: xxxxcr
static u08 *buf = (u08 *)"XE: xx xxxx\r\n";
static u08 *sep = (u08 *)"XE: xx ----\r\n";
u16 sum = 0;
for(u08 i=0;i<255;i++) {
sum += table[i];
}
if(verbose) {
for(u08 i=0;i<255;i++) {
// draw range border
if((i==B0)||(i==B1)||(i==B2)||(i==B3)) {
byte_to_hex(i,sep+4);
uart_send_data(sep,14);
}
// draw non zero values
if(table[i] != 0) {
byte_to_hex(i,buf+4);
word_to_hex(table[i],buf+7);
uart_send_data(buf,14);
}
}
}
// sort in into ranges
u16 total = 0;
u16 zero1Count = 0;
u16 zero2Count = 0;
u16 zero3Count = 0;
for(u08 i=B0;i<B1;i++) {
zero1Count += table[i];
}
for(u08 i=B1;i<B2;i++) {
zero2Count += table[i];
}
for(u08 i=B2;i<B3;i++) {
zero3Count += table[i];
}
total = zero1Count + zero2Count + zero3Count;
uart_send_string((u08 *)"XS: ");
uart_send_hex_word_space(sum);
uart_send_hex_word_space(total);
uart_send_hex_word_space(zero1Count);
uart_send_hex_word_space(zero2Count);
uart_send_hex_word_crlf(zero3Count);
}
int Sensor_Ausgabe(void) //Ausgabe der Sensoren
{
if (irio == 1)
{
uart_send_string("SR:");
uart_send_int(SensorRechts(),2); // Infrarot Front Sensor ausgeben
uart_send_string(" SF:");
uart_send_int(SensorFront(),2); // Infrarot Rechter Sensor ausgeben
uart_send_string(" SL:");
uart_send_int(SensorLinks(),2); // Infrarot Linker Sensor ausgeben
}
if (ulio == 1)
{
uart_send_int(SchrittMotor(),2); // Schrittmotor Referrers signal der Lichtschranke ausgeben
}
if (irio == 1 || ulio == 1)
{
uart_send_string("\n\r"); // Zeielnumbruch
_delay_ms(1);
}
return 0;
}
/**
* @brief: USE UART2 to output debug message
*
*/
void app_traceInfo_output(const char* fmt, ...)
{
va_list ap;
_mqx_uint err;
err = _mutex_lock(&g_trace_mutex);
ASSERT_PARAM(MQX_EOK == err);
va_start(ap, fmt);
vsnprintf((char*)output_msg, sizeof(output_msg), fmt, ap);
va_end(ap);
//uart0_send_string(output_msg);
uart_send_string(UART1_BASE_PTR, output_msg);
err = _mutex_unlock(&g_trace_mutex);
ASSERT_PARAM(MQX_EOK == err);
}
/* CENTRAL: Callback handling NUS Client events.
Handling events from the ble_nus_c module.
This function is called to notify the application of NUS client events.
Parameters: p_ble_nus_c NUS Client Handle. This identifies the NUS client
p_ble_nus_evt Pointer to the NUS Client event.
*/
static void ble_nus_c_evt_handler(ble_nus_c_t * p_ble_nus_c, const ble_nus_c_evt_t * p_ble_nus_evt)
{
uint32_t err_code;
switch (p_ble_nus_evt->evt_type)
{
case BLE_NUS_C_EVT_FOUND_NUS_TX_CHARACTERISTIC:
{
/* TX characteristic found */
break;
}
case BLE_NUS_C_EVT_FOUND_NUS_RX_CHARACTERISTIC:
{
/* RX characteristic found: enable notification on that */
err_code = ble_nus_c_rx_notif_enable(p_ble_nus_c);
APP_ERROR_CHECK(err_code);
break;
}
case BLE_NUS_C_EVT_NUS_RX_EVT:
{
/* send received data from NUS to uart interface */
for (uint32_t i = 0; i < p_ble_nus_evt->data_len; i++)
{
while(app_uart_put( p_ble_nus_evt->p_data[i]) != NRF_SUCCESS);
}
app_uart_put('.');
break;
}
case BLE_NUS_C_EVT_DISCONNECTED:
{
/* clear related connection handle */
active_conn_handles[pending_nus_conn_index] = BLE_CONN_HANDLE_INVALID;
/* reset pending NUS connection index */
pending_nus_conn_index = 0xFF;
/* reset uart */
uart_reset();
/* set "connection" pin as disconnected */
nrf_gpio_pin_write(CONN_PIN_NUMBER, DISCONNECTED_PIN_STATE);
/* send confirmation string */
uart_send_string((uint8_t *)"OK.", 3);
break;
}
}
}
static bool_t lora_reg_write(uint8_t reg, uint8_t *buf, uint8_t len)
{
uint8_t send_buf[30];
uint8_t index = 0;
lora_mode = SETTING_MODE;
// lora_reg = reg;
send_buf[index++] = 0xFF;
send_buf[index++] = 0x56;
send_buf[index++] = 0xAE;
send_buf[index++] = 0x35;
send_buf[index++] = 0xA9;
send_buf[index++] = 0x55;
send_buf[index++] = 0x90;
send_buf[index++] = reg;
send_buf[index++] = len;
osel_memcpy(&send_buf[index], buf, len);
index += len;
lora_recv_rxok_flag = FALSE;
uart_send_string(lora_port, send_buf, index);
vTaskDelay(600 / portTICK_PERIOD_MS);
if (lora_recv_index!=0)
{
if ((lora_recv_index == (len + 1)) &&
(lora_recv_data[0] == 0x24))
{
lora_recv_index = 0;
osel_memset(lora_recv_data, 0x00, 150);
return TRUE;
}
}
lora_recv_index = 0;
osel_memset(lora_recv_data, 0x00, 150);
return FALSE;
}
//-------------------------------------------------------Funktionen fuer das auslesen von Werten------------------------------------------------------
int get()
{
static const char get_help[] PROGMEM = "Usage: g\n\rt for get time\n\rc for geting color\n\r";
if(uart_string[1] == 'h')
{
uart_send_pgm_string(get_help);
}
else
#if rgb == 1
if(uart_string[1] == 'c')
{
uart_send_string("R: ");
uart_send_var(match[0]);
uart_send_string(", G: ");
uart_send_var(match[1]);
uart_send_string(", B: ");
uart_send_var(match[2]);
uart_send_string("R: ");
uart_send_var(match_tmp[0]);
uart_send_string(", G: ");
uart_send_var(match_tmp[1]);
uart_send_string(", B: ");
uart_send_var(match_tmp[2]);
}
else
#endif
#if time == 1
if(uart_string[1] == 't')
{
uart_send_var_zero_dec(stunde, 2);
uart_send_char(':');
uart_send_var_zero_dec(minute, 2);
uart_send_char(':');
uart_send_var_zero_dec(sekunde, 2);
uart_send_char('\n');
uart_send_char('\r');
}
else
#endif
{
uart_send_pgm_string(get_help);
return -1;
}
return 0;
}
/**
* @biref the cmd of read the config
* @param reg start of read config
* @param len how many bytes read
*/
static bool_t lora_reg_read(uint8_t reg, uint8_t len)
{
uint8_t buf[15];
uint8_t index = 0;
lora_mode = SETTING_MODE;
// lora_reg = reg;
buf[index++] = 0xFF;
buf[index++] = 0x56;
buf[index++] = 0xAE;
buf[index++] = 0x35;
buf[index++] = 0xA9;
buf[index++] = 0x55;
buf[index++] = 0xf0;
buf[index++] = reg;
buf[index++] = len;
lora_recv_rxok_flag = FALSE;
uart_send_string(lora_port, buf, index);
vTaskDelay(50 / portTICK_PERIOD_MS);
if (lora_recv_index!=0)
{
if ((lora_recv_index == (len + 1)) &&
(lora_recv_data[0] == 0x24))
{
lora_recv_index = 0;
osel_memset(lora_recv_data, 0x00, 150);
return TRUE;
}
}
lora_recv_index = 0;
osel_memset(lora_recv_data, 0x00, 150);
return FALSE;
}
int set_rgb()
{
unsigned char color;
unsigned char i;
color = uart_string[2];
if(color == 'R')
match[0] = (uart_string[3] - 0x30) * 100 + (uart_string[4] - 0x30) * 10 + (uart_string[5] - 0x30);
else if(color == 'G')
match[1] = (uart_string[3] - 0x30) * 100 + (uart_string[4] - 0x30) * 10 + (uart_string[5] - 0x30);
else if(color == 'B')
match[2] = (uart_string[3] - 0x30) * 100 + (uart_string[4] - 0x30) * 10 + (uart_string[5] - 0x30);
else
{
uart_send_string("Fehler\n\r");
return -1;
}
i = 6;
uart_send_char(uart_string[i]);
uart_send_char(uart_string[i+1]);
uart_send_char(uart_string[i+2]);
uart_send_char(uart_string[i+3]);
uart_send_var((uart_string[i+1] - 0x30) * 100 + (uart_string[i+2] - 0x30) * 10 + (uart_string[i+3] - 0x30));
if(uart_string[i] == 'R' || uart_string[i] == 'G' || uart_string[i] == 'B')
{
uart_send_char('r');
if(uart_string[i] == 'R')
{
match[0] = (uart_string[i+1] - 0x30) * 100 + (uart_string[i+2] - 0x30) * 10 + (uart_string[i+3] - 0x30);
uart_send_var((uart_string[i+1] - 0x30) * 100 + (uart_string[i+2] - 0x30) * 10 + (uart_string[i+3] - 0x30));
}
else if(uart_string[i] == 'G')
match[1] = (uart_string[i+1] - 0x30) * 100 + (uart_string[i+2] - 0x30) * 10 + (uart_string[i+3] - 0x30);
else
match[2] = (uart_string[i+1] - 0x30) * 100 + (uart_string[i+2] - 0x30) * 10 + (uart_string[i+3] - 0x30);
i=i+4;
}
sort_matches();
}
u32 cmdline_getline(void)
{
uart_send_string((u08 *)"> ");
u32 i = 0;
while(i<CMDLINE_LEN) {
// wait for next char
while(!uart_read_ready());
u08 data;
uart_read(&data);
uart_send(data);
if(data == '\r') {
uart_send('\n');
break;
}
if(data == '\n')
continue;
cmdline[i++] = data;
}
return i;
}
int main(void)
{
uart_init(); // Serial Inizialisirung
DDRC = 0b01111111;
DDRB = 0b11111111;
DDRA = 0b11110001;
DDRD &= ~((1 << PD2)|(1<<PD6)); // INT0 und Schrittmotor Endstop input...
DDRD |= (1<<PD4)|(1<<PD5); // PWM Ausgaenge festlegen
ADCSRA = 0b10000111; // Prescaler 128
ADMUX |= (1<<REFS0); // 5V Referrens spannung
TCCR1A |= (1<<WGM10)|(1<<COM1A1)|(1<<COM1B1);
TCCR1B |= (1<<WGM12)|(1<<CS12); // Prescaler 256
GICR |= (1<<INT0); // IRS INT0 externer Interrupt aktiviren
MCUCR |= (1<<ISC00); // ISR INT0 Reaktion auf jede aenderung
PORTB |= (1<<PB0); // Schrittmotor Endstufe aus schalten
PORTB &= ~(1<<PB2); // Microstepps Disable
PORTB |= (1<<PB6); // Dir High
PORTD |= (1<<PD6); // Setze Pullup fuer Schrittmotor Endstop
PORTD &= ~(1<<PD2); // set pulldown for ISR Raspbarry PI check
TIMSK |= (1<<TOIE0); // Timer0 Overflow Interrupt erlauben
while(1)
{
sei(); // Aktiviren aller interrups
uart_init(); // Serial Inizialisirung
if (rPI == 1) // Wenn INT0 == High dann ...
{
PORTC |= (1<<PC1);
Sensor_Ausgabe(); // Pereperie auswerten
if (I_Wert == 49) // Wenn eingabe == 49 dann ...
{
cli(); // Deaktiviren aller interrups
I_Wert = 0;
PORTC |= (1<<PC6); // anzeigen das daten jetzt uebertragen werden koennen
int Motor_R = (uart_get_int()-48); // Richtungs vorgabe der Motoren 1-2 Vor-Rueckwaerts 5 = Motoren Aus
int Motor_L = (uart_get_int()-48); // Richtungs vorgabe der Motoren 3-4 Vor-Rueckwaerts 5 = Motoren Aus
if(Motor_R > 5 || Motor_L > 5) // Wenn eingabe groeßer als 5 dann ...
{
PORTC &= ~(1<<PC6); // anzeigen das daten nicht mehr uebertragen werden koennen
return main(); // Zurueck an denn anfang der main funktion
}
if(Motor_R == 5 || Motor_L == 5) // Wenn eingabe == 5 dann ...
{
Motor_richtung(Motor_R,Motor_L); // uebergabe an Motor_richtung
PORTC &= ~(1<<PC6); // anzeigen das daten nicht mehr uebertragen werden koennen
return main(); // Zurueck an denn anfang der main funktion
}
int PWM[4] = {0,(uart_get_int()-48),(uart_get_int()-48),(uart_get_int()-48)}; // Annahmen der Motor geschwindigkein 0-255
PWM[0] = (PWM[1]*100+PWM[2]*10+PWM[3]);
int PWM1[4] = {0,(uart_get_int()-48),(uart_get_int()-48),(uart_get_int()-48)}; // Annahmen der Motor geschwindigkein 0-255
PWM1[0] = (PWM1[1]*100+PWM1[2]*10+PWM1[3]);
if (PWM[0] <= 255 && PWM1[0] <= 255) // Wenn PWM kleiner als 255 dann ...
{
uart_send_string("MR: ");
uart_send_int(Motor_R,1);
uart_send_string(" ");
uart_send_int(PWM[0],1);
uart_send_string("\n\r"); // Sende zeielnumbruch
uart_send_string("ML: ");
uart_send_int(Motor_L,1);
uart_send_string(" ");
uart_send_int(PWM1[0],1);
uart_send_string("\n\r"); // Sende zeielnumbruch
if ((uart_get_int()-48) == 1) // Bestaetigung der uebertragenen werte wenn eingabe == 1 dann ...
{
Motor_richtung(Motor_R,Motor_L);
OCR1B = PWM[0]; // PWM setzen
OCR1A = PWM1[0]; // PWM setzen
}
}
PORTC &= ~(1<<PC6); // anzeigen das daten nicht mehr uebertragen werden koennen
}else
{
PORTC &= ~(1<<PC6); // anzeigen das daten nicht mehr uebertragen werden koennen
}
if (I_Wert == 50)
{
cli(); // Deaktiviren aller interrups
I_Wert = 0;
PORTC |= (1<<PC6); // anzeigen das daten jetzt uebertragen werden koennen
int input = (uart_get_int()-48); //serielle eingabe
Sensor_steuerung(input);
}else
{
PORTC &= ~(1<<PC6); // anzeigen das daten nicht mehr uebertragen werden koennen
}
}
else
{
Sleep_mode();
}
}
}
int SchrittMotor(void) // Schrittmotor steuerung fuer Ultraschall Radar
{
PORTB &= ~(1<<PB0); // Schrittmotor Endstufe ENABLE
if (firstStart == 1)
{
firstStart = 0;
while (stepperRound < 24)
{
if (!(PIND & (1<<PIND6)))
{
stepperRound ++;
} else
{
PORTB |= (1<<PB4);
_delay_ms(20);
PORTB &= ~(1<<PB4);
_delay_ms(200);
stepperRound ++;
}
}
stepperRound = 0;
PORTB &= ~(1<<PB6); // Dir Low
}
if (stepperRound < 24)
{
stepperRound ++;
PORTB |= (1<<PB4);
_delay_ms(2);
PORTB &= ~(1<<PB4);
if (!(PIND & (1<<PIND6)) && stepperRound >= 3)
{
stepperRound = 24;
_delay_ms(10);
}
}
else
{
if (waitRound == 0)
{
_delay_ms(100);
waitRound = 1;
}
PORTB |= (1<<PB6); // Dir High
stepperRound ++;
PORTB |= (1<<PB4);
_delay_ms(2);
PORTB &= ~(1<<PB4);
if (!(PIND & (1<<PIND6)) && stepperRound >= 27)
{
stepperRound = 49;
_delay_ms(10);
}
}
_delay_ms(2);
if (stepperRound >= 48)
{
stepperRound = 0;
waitRound = 0;
_delay_ms(100);
PORTB &= ~(1<<PB6); // Dir low
}
_delay_ms(2);
int ul = Usensor();
if (ul <= 10)
{
_delay_ms(10);
}
uart_send_string(" UL:");
uart_send_int(ul,2);
uart_send_string(" SM:");
return stepperRound;
}
int main(void)
{
// configure WDT
WDTCTL = WDTPW | WDTHOLD; // stop watch dog timer
_25mhz();
#ifdef TEST
// when compiled in test mode, use different main
// disconnect radio when testing to avoid damage!
test_main();
#endif
// configure LED1 and turn it off, we'll use that for error and other stuff
P1DIR |= LED1;
LED1_OFF;
P4DIR |= LED2;
LED2_ON;
// setup uart
uart_init();
#ifdef DEBUG_MESSAGES
uart_send_string("Hola mundo!\r\n");
#endif
// setup packet handler
ph_setup();
// setup an configure radio
radio_setup();
radio_configure();
// self-calibrate image rejection
radio_calibrate_ir();
// verify that radio configuration was successful
radio_get_chip_status(0);
if (radio_buffer.chip_status.chip_status & RADIO_CMD_ERROR) { // check for command error
uart_send_string("Error inicializando radio!!!\r\n");
while (1) {
LED1_TOGGLE;
_delay_cycles(8000000); // blink LED if there was an error
}
}
// start packet receiving
ph_start();
#ifdef DEBUG_MESSAGES
uart_send_string("dAISy 0.2 started\r\n");
LED2_OFF;
#endif
while (1) {
LPM0; // deep sleep until something worthwhile happens
__no_operation();
ph_loop(); // packet handler house-keeping, e.g. channel hopping
#ifdef DEBUG_MESSAGES
uint8_t channel;
int16_t rssi;
// debug code to monitor signal strength (RSSI)
if (ph_get_state() == PH_STATE_PREFETCH) { // found preamble and start flag
// record current channel and signal strength
channel = ph_get_radio_channel(); // read current channel
rssi = ph_get_radio_rssi(); // read current RSSI
}
#endif
// retrieve last packet handler error
uint8_t error = ph_get_last_error();
#ifdef DEBUG_MESSAGES
// report error if packet handler failed
if (error != PH_ERROR_NONE) {
dec_to_str(str_output_buffer, 3, rssi); // convert to decimal string (reuse radio buffer)
str_output_buffer[4] = 0; // terminate string
uart_send_string("sync "); // send debug message to UART
uart_send_byte(channel + 'A');
uart_send_string(" RSSI=");
uart_send_string(str_output_buffer);
uart_send_string("dBm\r\n");
uart_send_string("error: ");
switch (error) {
case PH_ERROR_NOEND:
uart_send_string("no end flag");
break;
case PH_ERROR_STUFFBIT:
uart_send_string("invalid stuff bit");
break;
case PH_ERROR_CRC:
uart_send_string("CRC error");
break;
case PH_ERROR_RSSI_DROP:
uart_send_string("RSSI drop");
break;
}
uart_send_string("\r\n");
ph_loop(); // house keeping, sending over UART takes time
}
#else
// toggle LED if packet handler failed after finding preamble and start flag
if (error == PH_ERROR_NOEND || error == PH_ERROR_STUFFBIT || error == PH_ERROR_CRC)
LED1_TOGGLE;
#endif
// check if a new valid packet arrived
uint16_t size = fifo_get_packet();
if (size > 0) { // if so, process packet
#ifdef DEBUG_MESSAGES
dec_to_str(str_output_buffer, 3, rssi); // convert to decimal string (reuse radio buffer)
str_output_buffer[4] = 0; // terminate string
uart_send_string("sync "); // send debug message to UART
uart_send_byte(channel + 'A');
uart_send_string(" RSSI=");
uart_send_string(str_output_buffer);
uart_send_string("dBm\r\n");
#endif
LED2_ON;
nmea_process_packet(); // process packet (NMEA message will be sent over UART)
fifo_remove_packet(); // remove processed packet from FIFO
LED2_OFF;
}
// enter low power mode LPM0 (everything off)
// TODO: wait for UART to complete transmission
// TODO: suspend UART
}
}