Subversion Repositories Code-Repo

Rev

Rev 107 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 107 Rev 109
Line 7... Line 7...
7 
static XBEE_DATA *xbee_data_ptr;
 7 
static XBEE_DATA *xbee_data_ptr;
8 
static void *xbee_data_array_ptr;
 8 
static void *xbee_data_array_ptr;
9 
 
 9 
 
10 
/* Initialize variables used by this library */
 10 
/* Initialize variables used by this library */
11 
void xbee_init(XBEE_DATA *xd) {
 11 
void xbee_init(XBEE_DATA *xd) {
12 
    TRISBbits.TRISB4 = 1;   // RB0 is CTS, set by XBee chip
 12 
    TRISBbits.TRISB0 = 1;   // RB0 is CTS, set by XBee chip
13 
    TRISBbits.TRISB5 = 0;   // RB1 is RTS, set by PIC
 13 
    TRISBbits.TRISB1 = 0;   // RB1 is RTS, set by PIC
14 
 
 14 
 
15 
    LATBbits.LATB4 = 0; // Pin set high to signal stop sending data to XBee
 15 
    LATBbits.LATB0 = 0; // Pin set high to signal stop sending data to XBee
16 
    LATBbits.LATB5 = 0; // Pin set high to indicate stop sending data to PIC
 16 
    LATBbits.LATB1 = 0; // Pin set high to indicate stop sending data to PIC
17 
 
 17 
 
18 
    xbee_data_ptr = xd;
 18 
    xbee_data_ptr = xd;
19 
    xbee_data_ptr->dataind = 0;
 19 
    xbee_data_ptr->dataind = 0;
20 
    xbee_data_ptr->checksum_sum = 0;
 20 
    xbee_data_ptr->checksum_sum = 0;
21 
    xbee_data_ptr->read_state = XBEE_STATE_READ_START;
 21 
    xbee_data_ptr->read_state = XBEE_STATE_READ_START;
Line 193... Line 193...
193 
    while (Busy2USART());
 193 
    while (Busy2USART());
194 
}
 194 
}
195 
 
 195 
 
196 
void xbee_set_RTS(unsigned char c) {
 196 
void xbee_set_RTS(unsigned char c) {
197 
    if (c) {
 197 
    if (c) {
198 
        LATBbits.LATB5 = 1; // Set high to stop receiving data
 198 
        LATBbits.LATB1 = 1; // Set high to stop receiving data
199 
    } else {
 199 
    } else {
200 
        LATBbits.LATB5 = 0; // Set low to resume receiving data
 200 
        LATBbits.LATB1 = 0; // Set low to resume receiving data
201 
    }
 201 
    }
202 
}
 202 
}
203 
 
 203 
 
204 
unsigned char xbee_read_CTS() {
 204 
unsigned char xbee_read_CTS() {
205 
    unsigned char c = PORTBbits.RB4;
 205 
    unsigned char c = PORTBbits.RB0;
206 
    if (c) {
 206 
    if (c) {
207 
        return 0x1; // High indicates stop sending data
 207 
        return 0x1; // High indicates stop sending data
208 
    } else {
 208 
    } else {
209 
        return 0x0; // Low indicates ok to send data
 209 
        return 0x0; // Low indicates ok to send data
210 
    }
 210 
    }