| 1,16 → 1,17 |
|---|
| #include <xc.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include "defines.h" |
| #include "xbee.h" |
| #include <string.h> |
| #include "uart.h" |
| |
| #pragma udata XBEE_BUFFER |
| static XBEE_DATA xbee_data; |
| #pragma udata |
| static XBEE_DATA *xbee_data_p = &xbee_data; |
| static XBEE_DATA *xbee_data_p; |
| static void *xbee_data_frame; |
| static void *xbee_frame; |
| |
| /* Initialize variables used by this library */ |
| void XBee_Init() { |
| void XBee_Init(XBEE_DATA *data) { |
| xbee_data_p = data; |
| XBEE_CTS_TRIS = 1; // RB0 is CTS, set by XBee chip |
| XBEE_RTS_TRIS = 0; // RB1 is RTS, set by PIC |
| |
| 31,7 → 32,7 |
|---|
| } |
| |
| /* Here we handle the serial input from the UART interrupt */ |
| void XBee_Serial_In(unsigned char c) { |
| void XBee_Serial_In(char c) { |
| // For some reason writing the length straight to xbee_data doesnt seem to work |
| // so we work around it by pointing to the length bytes directly |
| XBEE_ADDRESS_16 *length = xbee_frame + 1; |
| 56,7 → 57,7 |
|---|
| xbee_data_p->checksum_sum = 0; |
| xbee_data_p->frame_rdy = 0; |
| xbee_data_p->read_state = XBEE_STATE_READ_LENGTH_HIGH; |
| *((unsigned char *)xbee_frame) = XBEE_START_DELIMITER; |
| *((char *)xbee_frame) = XBEE_START_DELIMITER; |
| } else { |
| switch (xbee_data_p->read_state) { |
| case XBEE_STATE_READ_START: |
| 92,7 → 93,9 |
|---|
| // XBee_Process_Received_Frame(); |
| } else { |
| // If checksum does not match, drop frame |
| DBG_PRINT_XBEE("XBEE: checksum mismatch\r\n"); |
| char output[32]; |
| sprintf(output, "XBEE: checksum mismatch\r\n"); |
| DBG_PRINT_XBEE(output, strlen(output)); |
| } |
| xbee_data_p->read_state = XBEE_STATE_READ_START; |
| break; |
| 104,40 → 107,51 |
|---|
| void XBee_Process_Received_Frame() { |
| // DBG_PRINT_XBEE("Length: %d\r\n", xbee_data_p->rcv_frame.length.INT_16.int_value); |
| // Here we process the received frame depending on the frame type |
| switch (*((unsigned char *) xbee_data_frame)) { |
| char output[64]; |
| switch (*((char *) xbee_data_frame)) { |
| case XBEE_RX_AT_COMMAND_RESPONSE: |
| DBG_PRINT_XBEE("XBEE: parsing recieved AT command response frame\r\n"); |
| sprintf(output, "XBEE: parsing recieved AT command response frame\r\n"); |
| DBG_PRINT_XBEE(output, strlen(output)); |
| break; |
| case XBEE_RX_DATA_PACKET: |
| DBG_PRINT_XBEE("XBEE: parsing recieved data frame\r\n"); |
| sprintf(output, "XBEE: parsing recieved data frame\r\n"); |
| DBG_PRINT_XBEE(output, strlen(output)); |
| break; |
| case XBEE_RX_DATA_TX_STATUS: |
| DBG_PRINT_XBEE("XBEE: parsing recieved TX status frame\r\n"); |
| sprintf(output, "XBEE: parsing recieved TX status frame\r\n"); |
| DBG_PRINT_XBEE(output, strlen(output)); |
| break; |
| case XBEE_RX_IO_DATA_SAMPLE: |
| DBG_PRINT_XBEE("XBEE: parsing recieved IO data sample frame\r\n"); |
| sprintf(output, "XBEE: parsing recieved IO data sample frame\r\n"); |
| DBG_PRINT_XBEE(output, strlen(output)); |
| break; |
| case XBEE_RX_EXPLICIT_COMMAND: |
| DBG_PRINT_XBEE("XBEE: parsing recieved explicit command frame\r\n"); |
| sprintf(output, "XBEE: parsing recieved explicit command frame\r\n"); |
| DBG_PRINT_XBEE(output, strlen(output)); |
| break; |
| case XBEE_RX_REMOTE_AT_COMMAND_RESPONSE: |
| DBG_PRINT_XBEE("XBEE: parsing recieved remote AT command frame\r\n"); |
| sprintf(output, "XBEE: parsing recieved remote AT command frame\r\n"); |
| DBG_PRINT_XBEE(output, strlen(output)); |
| break; |
| case XBEE_RX_ROUTE_RECORD: |
| DBG_PRINT_XBEE("XBEE: parsing recieved route record frame\r\n"); |
| sprintf(output, "XBEE: parsing recieved route record frame\r\n"); |
| DBG_PRINT_XBEE(output, strlen(output)); |
| break; |
| case XBEE_RX_NODE_IDENTIFICATION: |
| DBG_PRINT_XBEE("XBEE: parsing recieved node identification frame\r\n"); |
| sprintf(output, "XBEE: parsing recieved node identification frame\r\n"); |
| DBG_PRINT_XBEE(output, strlen(output)); |
| break; |
| case XBEE_RX_FRAME_MODEM_STATUS: |
| DBG_PRINT_XBEE("XBEE: parsing recieved modem status frame\r\n"); |
| sprintf(output, "XBEE: parsing recieved modem status frame\r\n"); |
| DBG_PRINT_XBEE(output, strlen(output)); |
| break; |
| default: |
| DBG_PRINT_XBEE("XBEE: (ERROR) unrecognized frame type\r\n"); |
| sprintf(output, "XBEE: (ERROR) unrecognized frame type\r\n"); |
| DBG_PRINT_XBEE(output, strlen(output)); |
| } |
| } |
| |
| unsigned int XBee_Get_Received_Frame(unsigned char *frame) { |
| unsigned int XBee_Get_Received_Frame(char *frame) { |
| if (!xbee_data_p->frame_rdy) { |
| return 0; |
| } else { |
| 147,10 → 161,10 |
|---|
| } |
| } |
| |
| void XBee_Process_Transmit_Frame(unsigned char *data, unsigned char length) { |
| void XBee_Process_Transmit_Frame(char *data, char length) { |
| #ifdef XBEE_USE_ESCAPE_CHAR |
| unsigned int i = 0; |
| unsigned char chksum = 0; |
| char chksum = 0; |
| |
| // Write the start bit and length |
| UART1_WriteC(XBEE_START_DELIMITER); |
| 182,7 → 196,7 |
|---|
| } |
| #else |
| unsigned int i = 0; |
| unsigned char chksum = 0; |
| char chksum = 0; |
| |
| UART1_WriteC(XBEE_START_DELIMITER); |
| UART1_WriteC(0); |
| 195,7 → 209,7 |
|---|
| #endif |
| } |
| |
| void XBee_Set_RTS(unsigned char c) { |
| void XBee_Set_RTS(char c) { |
| if (c) { |
| XBEE_RTS_LAT = 1; // Set high to stop receiving data |
| } else { |
| 203,8 → 217,8 |
|---|
| } |
| } |
| |
| unsigned char XBee_Read_CTS() { |
| unsigned char c = XBEE_CTS_PORT; |
| char XBee_Read_CTS() { |
| char c = XBEE_CTS_PORT; |
| if (c) { |
| return 0x1; // High indicates stop sending data |
| } else { |