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Alignment with APM 

git-svn-id: https://arducopter.googlecode.com/svn/trunk@2293 f9c3cf11-9bcb-44bc-f272-b75c42450872
This commit is contained in:
jasonshort 2011-05-15 17:42:32 +00:00
parent 6514dd8890
commit 6d056a569e
1 changed files with 93 additions and 86 deletions
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169
ArduCopterMega/Log.pde
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@ -122,6 +122,7 @@ erase_logs(uint8_t argc, const Menu::arg *argv)
// delay(1000);
//}
// lay down a bunch of "log end" messages.
Serial.printf_P(PSTR("\nErasing log...\n"));
for(int j = 1; j < 4096; j++)
DataFlash.PageErase(j);
@ -189,7 +190,86 @@ byte get_num_logs(void)
{
int page = 1;
byte data;
byte log_step = 0;
byte log_step;
DataFlash.StartRead(1);
while (page == 1) {
data = DataFlash.ReadByte();
switch(log_step){ //This is a state machine to read the packets
case 0:
if(data==HEAD_BYTE1) // Head byte 1
log_step++;
break;
case 1:
if(data==HEAD_BYTE2) // Head byte 2
log_step++;
else
log_step = 0;
break;
case 2:
if(data==LOG_INDEX_MSG){
byte num_logs = DataFlash.ReadByte();
return num_logs;
}else{
log_step=0; // Restart, we have a problem...
}
break;
}
page = DataFlash.GetPage();
}
return 0;
}
// send the number of the last log?
void start_new_log(byte num_existing_logs)
{
int start_pages[50] = {0, 0, 0};
int end_pages[50] = {0, 0, 0};
if(num_existing_logs > 0){
for(int i = 0; i < num_existing_logs; i++) {
get_log_boundaries(num_existing_logs, i + 1, start_pages[i], end_pages[i]);
}
end_pages[num_existing_logs - 1] = find_last_log_page(start_pages[num_existing_logs - 1]);
}
if(end_pages[num_existing_logs - 1] < 4095 && num_existing_logs < MAX_NUM_LOGS) {
if(num_existing_logs > 0)
start_pages[num_existing_logs] = end_pages[num_existing_logs - 1] + 1;
else
start_pages[0] = 2;
num_existing_logs++;
DataFlash.StartWrite(1);
DataFlash.WriteByte(HEAD_BYTE1);
DataFlash.WriteByte(HEAD_BYTE2);
DataFlash.WriteByte(LOG_INDEX_MSG);
DataFlash.WriteByte(num_existing_logs);
for(int i = 0; i < MAX_NUM_LOGS; i++) {
DataFlash.WriteInt(start_pages[i]);
DataFlash.WriteInt(end_pages[i]);
}
DataFlash.WriteByte(END_BYTE);
DataFlash.FinishWrite();
DataFlash.StartWrite(start_pages[num_existing_logs - 1]);
}else{
gcs.send_text_P(SEVERITY_LOW,PSTR("<start_new_log> Logs full"));
}
}
void get_log_boundaries(byte num_logs, byte log_num, int & start_page, int & end_page)
{
int page = 1;
byte data;
byte log_step;
DataFlash.StartRead(1);
while (page == 1) {
@ -208,86 +288,14 @@ byte get_num_logs(void)
break;
case 2:
if(data==LOG_INDEX_MSG){
byte num_logs = DataFlash.ReadByte();
return num_logs;
}else{
log_step=0; // Restart, we have a problem...
}
break;
}
page = DataFlash.GetPage();
}
return 0;
}
void start_new_log(byte num_existing_logs)
{
int start_pages[50] = {0,0,0};
int end_pages[50] = {0,0,0};
if (num_existing_logs > 0) {
for(int i=0;i<num_existing_logs;i++) {
get_log_boundaries(num_existing_logs, i+1,start_pages[i],end_pages[i]);
}
end_pages[num_existing_logs - 1] = find_last_log_page(start_pages[num_existing_logs - 1]);
}
if (end_pages[num_existing_logs - 1] < 4095 && num_existing_logs < MAX_NUM_LOGS) {
if(num_existing_logs > 0)
start_pages[num_existing_logs] = end_pages[num_existing_logs - 1] + 1;
else
start_pages[0] = 2;
num_existing_logs++;
DataFlash.StartWrite(1);
DataFlash.WriteByte(HEAD_BYTE1);
DataFlash.WriteByte(HEAD_BYTE2);
DataFlash.WriteByte(LOG_INDEX_MSG);
DataFlash.WriteByte(num_existing_logs);
for(int i=0;i<MAX_NUM_LOGS;i++) {
DataFlash.WriteInt(start_pages[i]);
DataFlash.WriteInt(end_pages[i]);
}
DataFlash.WriteByte(END_BYTE);
DataFlash.FinishWrite();
DataFlash.StartWrite(start_pages[num_existing_logs-1]);
}else{
gcs.send_text_P(SEVERITY_LOW,PSTR("<start_new_log> Logs full"));
}
}
void get_log_boundaries(byte num_logs, byte log_num, int & start_page, int & end_page)
{
int page = 1;
byte data;
byte log_step = 0;
DataFlash.StartRead(1);
while (page = 1) {
data = DataFlash.ReadByte();
switch(log_step) //This is a state machine to read the packets
{
case 0:
if(data==HEAD_BYTE1) // Head byte 1
log_step++;
break;
case 1:
if(data==HEAD_BYTE2) // Head byte 2
log_step++;
else
log_step = 0;
break;
case 2:
if(data==LOG_INDEX_MSG){
byte num_logs = DataFlash.ReadByte();
for(int i=0;i<log_num;i++) {
start_page = DataFlash.ReadInt();
end_page = DataFlash.ReadInt();
}
if(log_num==num_logs)
end_page = find_last_log_page(start_page);
@ -750,19 +758,18 @@ void Log_Read(int start_page, int end_page)
log_step++;
}else if(data == LOG_STARTUP_MSG){
// not implemented
Log_Read_Startup();
log_step++;
}else if(data == LOG_GPS_MSG){
}else {
if(data == LOG_GPS_MSG){
Log_Read_GPS();
log_step++;
}else{
Serial.printf_P(PSTR("Error P: %d\n"),packet_count);
Serial.printf_P(PSTR("Error Reading Packet: %d\n"),packet_count);
log_step = 0; // Restart, we have a problem...
}
}
break;
case 3:
if(data == END_BYTE){
packet_count++;