Quick fix for handling default ids

This commit is contained in:
Eric Helgeson 2021-08-13 10:53:05 -05:00
parent c52cc33bb4
commit b54ecdee72
1 changed files with 21 additions and 5 deletions

View File

@ -460,6 +460,7 @@ void setup()
root.open("/");
SdFile file;
bool imageReady;
int usedDefaultId = 0;
while (1) {
if (!file.openNext(&root, O_READ)) break;
char name[MAX_FILE_PATH+1];
@ -470,17 +471,28 @@ void setup()
file_name.toLowerCase();
if(file_name.startsWith("hd")) {
// Defaults for Hard Disks
int id = 0;
int id = 1; // 0 and 3 are common in Macs for physical HD and CD, so avoid them.
int lun = 0;
int blk = 512;
// Positionally read in and coerase the chars to integers.
// We only require the minimum and read in the next if provided.
int file_name_length = file_name.length();
if(file_name_length > 2) // HD[N]
id = name[HDIMG_ID_POS] - '0' || 0;
if(file_name_length > 3) // HD0[N]
lun = name[HDIMG_LUN_POS] - '0' || 0;
if(file_name_length > 2) { // HD[N]
int tmp_id = name[HDIMG_ID_POS] - '0';
if(tmp_id > -1 && tmp_id < 8) {
id = tmp_id; // If valid id, set it, else use default
usedDefaultId++;
}
}
if(file_name_length > 3) { // HD0[N]
int tmp_lun = name[HDIMG_LUN_POS] - '0';
if(tmp_lun > -1 && tmp_lun < 2) {
lun = tmp_lun; // If valid id, set it, else use default
}
}
int blk1, blk2, blk3, blk4 = 0;
if(file_name_length > 8) { // HD00_[111]
blk1 = name[HDIMG_BLK_POS] - '0';
@ -515,6 +527,10 @@ void setup()
}
}
}
if(usedDefaultId > 0) {
LOG_FILE.println("!! More than one image did not specify a SCSI ID. Last file will be used at ID 1. !!");
LOG_FILE.sync();
}
root.close();
// Error if there are 0 image files