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#include <string.h>
#include "reset.h"
#include "globals.h"
#include "custom_gui.h"
#include "main_menu.h"
#include "serial.h"
static int reset_proc(int msg, DIALOG *d, int c);
static char reset_status_msg[64];
static DIALOG reset_chip_dialog[] =
{
/* (proc) (x) (y) (w) (h) (fg) (bg) (key) (flags) (d1) (d2) (dp) (dp2) (dp3) */
{ d_shadow_box_proc, 0, 0, 340, 64, C_BLACK, C_LIGHT_GRAY, 0, 0, 0, 0, NULL, NULL, NULL },
{ caption_proc, 170, 24, 158, 16, C_BLACK, C_TRANSP, 0, 0, 0, 0, reset_status_msg, NULL, NULL },
{ reset_proc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL },
{ d_yield_proc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL },
{ NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL }
};
void reset_chip()
{
centre_dialog(reset_chip_dialog);
popup_dialog(reset_chip_dialog, -1);
}
enum ResetState
{
RESET_SEND_RESET_REQUEST,
RESET_GET_REPLY_TO_RESET,
RESET_SEND_AT_AT1_REQUEST,
RESET_GET_AT_AT1_RESPONSE,
RESET_SEND_AT_AT2_REQUEST,
RESET_GET_AT_AT2_RESPONSE,
RESET_START_ECU_TIMER,
RESET_WAIT_FOR_ECU_TIMEOUT,
RESET_SEND_DETECT_PROTOCOL_REQUEST,
RESET_GET_REPLY_TO_DETECT_PROTOCOL,
RESET_CLOSE_DIALOG,
RESET_INTERFACE_NOT_FOUND,
RESET_HANDLE_CLONE
};
int Reset_send_reset_request(char *response)
{
char buf[128];
if (serial_timer_running) // if serial timer is running
{
// wait until we either get a prompt or the timer times out
while ((read_comport(buf) != PROMPT) && !serial_time_out)
;
}
send_command("atz"); // reset the chip
start_serial_timer(ATZ_TIMEOUT); // start serial timer
response[0] = 0;
return RESET_GET_REPLY_TO_RESET;
}
int Reset_get_reply_to_reset(char *response, int *device)
{
char buf[128];
int next_state;
int status;
status = read_comport(buf); // read comport
if (status == DATA) // if new data detected in com port buffer
{
strcat(response, buf); // append contents of buf to response
next_state = RESET_GET_REPLY_TO_RESET; // come back for more data
}
else if (status == PROMPT) // if '>' detected
{
stop_serial_timer();
strcat(response, buf);
*device = process_response("atz", response);
if (*device == INTERFACE_ELM323)
next_state = RESET_START_ECU_TIMER;
else if (*device == INTERFACE_ELM327)
next_state = RESET_SEND_AT_AT1_REQUEST;
else
next_state = RESET_CLOSE_DIALOG;
}
else if (serial_time_out) // if the timer timed out
{
stop_serial_timer(); // stop the timer
alert("Interface was not found", NULL, NULL, "OK", NULL, 0, 0);
next_state = RESET_CLOSE_DIALOG; // close dialog
}
else // serial buffer was empty, but we still got time
next_state = RESET_GET_REPLY_TO_RESET;
return next_state;
}
int Reset_send_at_at1_request(char *response)
{
send_command("at@1");
start_serial_timer(AT_TIMEOUT); // start serial timer
response[0] = 0;
return RESET_GET_AT_AT1_RESPONSE;
}
int Reset_get_at_at1_response(char *response)
{
char buf[128];
int next_state;
int status;
status = read_comport(buf); // read comport
if (status == DATA) // if new data detected in com port buffer
{
strcat(response, buf); // append contents of buf to response
next_state = RESET_GET_AT_AT1_RESPONSE; // come back for more data
}
else if (status == PROMPT) // if '>' detected
{
stop_serial_timer();
strcat(response, buf);
status = process_response("at@1", response);
if (status == STN_MFR_STRING)
next_state = RESET_START_ECU_TIMER;
else if (status == ELM_MFR_STRING)
next_state = RESET_SEND_AT_AT2_REQUEST;
else
next_state = RESET_HANDLE_CLONE;
}
else if (serial_time_out)
{
stop_serial_timer();
alert("Connection with interface lost", NULL, NULL, "OK", NULL, 0, 0);
next_state = RESET_CLOSE_DIALOG; // close dialog
}
else // serial buffer was empty, but we still got time
next_state = RESET_GET_AT_AT1_RESPONSE;
return next_state;
}
int Reset_send_at_at2_request(char *response)
{
send_command("at@2");
start_serial_timer(AT_TIMEOUT); // start serial timer
response[0] = 0;
return RESET_GET_AT_AT2_RESPONSE;
}
int Reset_get_at_at2_response(char *response)
{
char buf[128];
int next_state;
int status;
status = read_comport(buf); // read comport
if (status == DATA) // if new data detected in com port buffer
{
strcat(response, buf); // append contents of buf to response
next_state = RESET_GET_AT_AT2_RESPONSE; // come back for more data
}
else if (status == PROMPT) // if '>' detected
{
stop_serial_timer();
strcat(response, buf);
status = process_response("at@2", response);
if (status == STN_MFR_STRING)
next_state = RESET_START_ECU_TIMER;
else
next_state = RESET_HANDLE_CLONE;
}
else if (serial_time_out)
{
stop_serial_timer();
alert("Connection with interface lost", NULL, NULL, "OK", NULL, 0, 0);
next_state = RESET_CLOSE_DIALOG; // close dialog
}
else // serial buffer was empty, but we still got time
next_state = RESET_GET_AT_AT2_RESPONSE;
return next_state;
}
int Reset_start_ecu_timer()
{
start_serial_timer(ECU_TIMEOUT);
return RESET_WAIT_FOR_ECU_TIMEOUT;
}
int Reset_wait_for_ecu_timeout(int device)
{
int next_state;
if (serial_time_out) // if the timer timed out
{
stop_serial_timer(); // stop the timer
if (device == INTERFACE_ELM327)
next_state = RESET_SEND_DETECT_PROTOCOL_REQUEST;
else
next_state = RESET_CLOSE_DIALOG;
}
else
next_state = RESET_WAIT_FOR_ECU_TIMEOUT;
return next_state;
}
int Reset_send_detect_protocol_request(char *response)
{
int next_state;
send_command("0100");
start_serial_timer(OBD_REQUEST_TIMEOUT); // start serial timer
response[0] = 0;
next_state = RESET_GET_REPLY_TO_DETECT_PROTOCOL;
return next_state;
}
int Reset_get_reply_to_detect_protocol(char *response)
{
char buf[128];
int next_state;
int status;
status = read_comport(buf);
if(status == DATA) // if new data detected in com port buffer
{
strcat(response, buf); // append contents of buf to response
next_state = RESET_GET_REPLY_TO_DETECT_PROTOCOL; // come back for more
}
else if (status == PROMPT) // if we got the prompt
{
stop_serial_timer();
strcat(response, buf);
status = process_response("0100", response);
if (status == ERR_NO_DATA || status == UNABLE_TO_CONNECT)
alert("Protocol could not be detected.", "Please check connection to the vehicle,", "and make sure the ignition is ON", "OK", NULL, 0, 0);
else if (status != HEX_DATA)
alert("Communication error", buf, NULL, "OK", NULL, 0, 0);
next_state = RESET_CLOSE_DIALOG;
}
else if (serial_time_out)
{
stop_serial_timer();
alert("Connection with interface lost", NULL, NULL, "OK", NULL, 0, 0);
next_state = RESET_CLOSE_DIALOG;
}
else
next_state = RESET_GET_REPLY_TO_DETECT_PROTOCOL;
return next_state;
}
/* We don't care if it's a clone; let it run anyway. */
int Reset_handle_clone()
{
is_not_genuine_scan_tool = FALSE;
return RESET_START_ECU_TIMER;
}
int reset_proc(int msg, DIALOG *d, int c)
{
static int state = RESET_SEND_RESET_REQUEST;
static int device = 0;
static char response[256];
switch(msg)
{
case MSG_START:
state = RESET_SEND_RESET_REQUEST;
strcpy(reset_status_msg, "Resetting hardware interface...");
break;
case MSG_IDLE:
switch (state)
{
case RESET_SEND_RESET_REQUEST:
strcpy(reset_status_msg, "Resetting hardware interface...");
state = Reset_send_reset_request(response);
return D_REDRAW;
case RESET_GET_REPLY_TO_RESET:
state = Reset_get_reply_to_reset(response, &device);
break;
case RESET_SEND_AT_AT1_REQUEST:
strcpy(reset_status_msg, "Making sure scan tool is genuine...");
state = Reset_send_at_at1_request(response);
return D_REDRAW;
case RESET_GET_AT_AT1_RESPONSE:
state = Reset_get_at_at1_response(response);
break;
case RESET_SEND_AT_AT2_REQUEST:
state = Reset_send_at_at2_request(response);
break;
case RESET_GET_AT_AT2_RESPONSE:
state = Reset_get_at_at2_response(response);
break;
case RESET_START_ECU_TIMER:
strcpy(reset_status_msg, "Waiting for ECU timeout...");
state = Reset_start_ecu_timer();
return D_REDRAW;
case RESET_WAIT_FOR_ECU_TIMEOUT:
state = Reset_wait_for_ecu_timeout(device);
break;
case RESET_SEND_DETECT_PROTOCOL_REQUEST:
strcpy(reset_status_msg, "Detecting OBD protocol...");
state = Reset_send_detect_protocol_request(response);
return D_REDRAW;
case RESET_GET_REPLY_TO_DETECT_PROTOCOL:
state = Reset_get_reply_to_detect_protocol(response);
break;
case RESET_HANDLE_CLONE:
state = Reset_handle_clone();
break;
case RESET_CLOSE_DIALOG:
return D_CLOSE;
}
break;
}
return D_O_K;
}
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