void print_packet(uint8_t* rx_buffer) {
uint8_t length = rx_buffer[0] - 3;
uart_newline();
uart_sendstr_p(PSTR("Data Length: "));
utoa(length, (char *)msg_buf, 10);
uart_sendstr((char *)msg_buf);
uart_newline();
uart_sendstr_p(PSTR("Dec\tHex\tChr"));
uart_newline();
uint8_t i;
for (i = 1; i <= length; i++) {
utoa(rx_buffer[i], (char *)msg_buf, 10);
uart_sendstr((char *)msg_buf);
uart_sendchar('\t');
utoa(rx_buffer[i], (char *)msg_buf, 16);
uart_sendstr((char *)msg_buf);
uart_sendchar('\t');
uart_sendchar(rx_buffer[i]);
uart_newline();
}
uart_newline();
}
void uart_sendstr(char *data)
{
while (*data) {
uart_sendchar(*data);
data++;
}
}
// Read a max of 2 digits from the serial line
// return value of -1 means no change (user just hit return)
signed char terminalmode_readnum(unsigned char chr_nl){
unsigned char ch;
unsigned char lineendcnt=1;
unsigned char digits=2; // you can enter max 2 digits
signed char rval=-1;
if (chr_nl){
// we expect \r\n as line end
lineendcnt=2;
}
ch=uart_getchar(1);
while(ch != '\r' && ch !='\n' && digits){
if ((ch >= '0') && (ch <= '9')){
if (rval==-1){
rval=0;
}
uart_sendchar(ch); // echo number back to terminal
rval=rval*10 + (ch - (unsigned char)'0');
digits--;
}
ch=uart_getchar(1);
}
// user just pressed return or enter just 1 digit
if (ch == '\r' || ch == '\n'){
lineendcnt--;
}
// get \n or \r\n after a number was entered:
while(lineendcnt){
ch=uart_getchar(1);
lineendcnt--;
}
return(rval);
}
void print_bits(uint16_t* bits) {
utoa(((*bits) & 0x3f) << 4, (char *)msg_buf, 2);
uart_sendstr((char *)msg_buf);
uart_sendchar(' ');
utoa((*bits) >> 6, (char *)msg_buf, 2);
uart_sendstr((char *)msg_buf);
uart_newline();
}
void uart_sendstr_p(const char *progmem_s)
{
// print string from program memory
char c;
while ((c = pgm_read_byte(progmem_s++))) {
uart_sendchar(c);
}
}
/* transmit an answer back to the programmer software, message is
* in msg_buf, seqnum is the seqnum of the last message from the programmer software,
* len=1..275 according to avr068 */
void transmit_answer(unsigned char seqnum,unsigned int len)
{
unsigned char cksum;
unsigned char ch;
int i;
if (len>285 || len <1){
// software error
len = 2;
// msg_buf[0]: not changed
msg_buf[1] = STATUS_CMD_FAILED;
}
uart_sendchar(MESSAGE_START); // 0x1B
cksum = MESSAGE_START^0;
uart_sendchar(seqnum);
cksum^=seqnum;
ch=(len>>8)&0xFF;
uart_sendchar(ch);
cksum^=ch;
ch=len&0xFF;
uart_sendchar(ch);
cksum^=ch;
uart_sendchar(TOKEN); // 0x0E
cksum^=TOKEN;
wd_kick();
for(i=0;i<len;i++){
uart_sendchar(msg_buf[i]);
cksum^=msg_buf[i];
}
uart_sendchar(cksum);
}
int main (void)
{
init_hw();
LCD_init();
SR_DAT_IN;
while (1)
{
uart_sendchar('A');
uart_sendstr("0123456789abcdef");
// dly_ms(40);
if (rcvd_flag)
{
rcvd_flag=0;
uart_sendstr("R:");
if (f_gsm_ok)
{
f_gsm_ok=0;
uart_sendstr("G_OK");
}
if (f_gsm_nc)
{
f_gsm_nc=0;
uart_sendstr("G_NC");
}
if (f_gsm_cr)
{
f_gsm_cr=0;
uart_sendstr("G_CR");
}
if (f_gsm_ring)
{
f_gsm_ring=0;
uart_sendstr("G_RI");
}
uart_sendstr("\r\n");
}
keys = read_keys();
if (keys==0x01) update_lcd("K1");
else if (keys==0x02) update_lcd("K2");
else if (keys==0x04) update_lcd("K3");
else if (keys==0x08) update_lcd("K4");
else if (keys==0x10) update_lcd("K5");
else if (keys==0x20) update_lcd("K6");
else if (keys==0x40) update_lcd("K7");
else if (keys==0x00) update_lcd("0123456789ABCDEF");
else update_lcd("Kx");
/*
if (keys_handling(&key))
{
keys = key;
}
*/
}
}
void terminalmode(unsigned char chr_nl)
{
signed char i;
// Init terminal
uart_sendstr_p(terminal_init);
//
uart_sendstr_P("AvrUsb500-1.4 terminal mode\r\n");
uart_sendstr_P("Enter SW Version Major [");
utoa(CONFIG_PARAM_SW_MAJOR,(char *)msg_buf, 10);
uart_sendstr((char *)msg_buf);
uart_sendstr_P("]: ");
i=terminalmode_readnum(chr_nl);
if (i >=0){
CONFIG_PARAM_SW_MAJOR=(unsigned char)i;
}
terminalmode_next_line();
uart_sendstr_P("Enter SW Version Minor [");
utoa(CONFIG_PARAM_SW_MINOR,(char *)msg_buf, 10);
uart_sendstr((char *)msg_buf);
uart_sendstr_P("]: ");
i=terminalmode_readnum(chr_nl);
if (i >=0){
CONFIG_PARAM_SW_MINOR=(unsigned char)i;
}
terminalmode_next_line();
eeprom_write_byte(EEPROM_MINOR, CONFIG_PARAM_SW_MINOR);
eeprom_write_byte(EEPROM_MAJOR, CONFIG_PARAM_SW_MAJOR);
eeprom_write_byte(EEPROM_MAGIC, 20);// magic number=data is valid
uart_sendstr_P("\r\nOK, my SW version is now: ");
utoa(CONFIG_PARAM_SW_MAJOR,(char *)msg_buf, 10);
uart_sendstr((char *)msg_buf);
uart_sendchar('.');
if (CONFIG_PARAM_SW_MINOR < 10){
uart_sendchar('0');
}
utoa(CONFIG_PARAM_SW_MINOR,(char *)msg_buf, 10);
uart_sendstr((char *)msg_buf);
uart_sendstr_P("\r\n");
uart_sendstr_P("Ready. Just close the terminal. No reset needed.\r\n");
}
void uart_newline(void) {
uart_sendchar('\x1B');
uart_sendchar('E');
}
void terminalmode_next_line(void)
{
uart_sendchar('\x1B');
uart_sendchar('E');
}
