//以16进制格式输出整数
void print_hex(unsigned char a)
{
unsigned char t[17]="0123456789abcdef";
// print_str("0x");
send_usart(t[a/16]);
delay_usart();
send_usart(t[a%16]);
delay_usart();
}
static int
iterate_post (void *coninfo_cls, enum MHD_ValueKind kind, const char *key,
const char *filename, const char *content_type,
const char *transfer_encoding, const char *data, uint64_t off,
size_t size)
{
struct connection_info_struct *con_info = coninfo_cls;
//printf("file name =%s \n",filename);
//printf("key =%s \n",key);
//printf("size =%d \n",size);
if (0 == strcmp (key, "open"))
{
str = "open ";
printf("open\n");
send_usart(0xb6d6,1,1,1);//send===================================
if ((size > 0) && (size <= MAXNAMESIZE))
{
char *answerstring;
answerstring = malloc (MAXANSWERSIZE);
if (!answerstring)
return MHD_NO;
snprintf (answerstring, MAXANSWERSIZE, askpage, key);
con_info->answerstring = answerstring;
//printf("data =%s \n",data);
}
else
con_info->answerstring = NULL;
return MHD_NO;
}
else if (0 == strcmp (key, "close"))
{
str = "close";
printf("close\n");
send_usart(0xb6d6,0,0,0);//send===================================
if ((size > 0) && (size <= MAXNAMESIZE))
{
char *answerstring;
answerstring = malloc (MAXANSWERSIZE);
if (!answerstring)
return MHD_NO;
snprintf (answerstring, MAXANSWERSIZE, askpage, key);
con_info->answerstring = answerstring;
//printf("data =%s \n",data);
}
else
con_info->answerstring = NULL;
return MHD_NO;
}
return MHD_YES;
}
//字符串输出函数
void print_str(const unsigned char *d)
{
while(*d!='\0')
{
send_usart(*d);
d++;
delay_usart();
}
}
int main(void)
{
// Initiera funktionalitet
init_spi();
USART_init();
sei(); //Enable global interrupts
clearbit(PORTC, PINC0); // "Ready to Receive" till Firefly
// Har autonom-toggle på PA0
static uint8_t has_pressed_auto;
clearbit(DDRA, 0);
// Huvudloop
while(1)
{
static uint8_t spi_state = 0; // 0 väntar, 1 skriver
static uint8_t usart_state = 0; // 0 väntar, 1 skriver
uint8_t spir, has_spir = 0, usartr, has_usartr = 0;
if(!has_pressed_auto) {
if(!(PINA & 0x01)) {
has_pressed_auto = 1;
send_spi(COMM_ENABLE_PID);
}
}
// Processa SPI
if(spi_state == 0) {
// Kolla om vi har fått nåt
if(SPSR & (1 << SPIF)) {
spir = SPDR;
has_spir = 1;
}
// Finns det nåt att skicka?
else if(spiw_r != spiw_w) {
SPDR = spiw_data[spiw_r++];
PORTA ^= (1 << PORTA7);
spi_state = 1;
}
}
else if(spi_state == 1) {
if(SPSR & (1 << SPIF)) {
uint8_t c;
spi_state = 0;
c = SPDR;
if(c != 0) {
has_spir = 1;
spir = c;
}
}
}
// Processa USART
if(usart_state == 0) {
// Firefly vill sända data
if(UCSRA & (1 << RXC)) {
usartr = UDR;
has_usartr = 1;
}
// Vi vill sända data
else if(usartw_r != usartw_w) {
usart_state = 1;
setbit(PORTC, PINC0);
}
}
else if(usart_state == 1) {
if(UCSRA & (1 << UDRE)) {
UDR = usartw_data[usartw_r++];
usart_state = 0;
clearbit(PORTC, PINC0);
}
}
// Nu finns data i usartr om has_usartr == 1
// och i spir om has_spir == 1
if(has_usartr) {
decode_remote(usartr);
}
if(has_spir) {
send_usart(spir);
}
}
}
// Skicka sträng till fjärrenheten
void send_usart_string(uint8_t *str)
{
while(*str)
send_usart(*str++);
}
