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BlueSCSI
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Image set selection

This commit is contained in:
Eric Helgeson 2022-03-19 07:25:25 -05:00
parent 13b8de7bfd
commit 8db8000db3
2 changed files with 101 additions and 48 deletions
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17
.vscode/extensions.json vendored
View File

@ -1,7 +1,10 @@
{
// See http://go.microsoft.com/fwlink/?LinkId=827846
// for the documentation about the extensions.json format
"recommendations": [
"platformio.platformio-ide"
]
}
{
// See http://go.microsoft.com/fwlink/?LinkId=827846
// for the documentation about the extensions.json format
"recommendations": [
"platformio.platformio-ide"
],
"unwantedRecommendations": [
"ms-vscode.cpptools-extension-pack"
]
}

132
src/BlueSCSI.cpp
View File

@ -116,6 +116,10 @@ SdFs SD;
#define SD_CS PA4 // SDCARD:CS
#define LED PC13 // LED
// Image Set Selector
#define IMAGE_SELECT1 PA1
#define IMAGE_SELECT2 PB1
// GPIO register port
#define PAREG GPIOA->regs
#define PBREG GPIOB->regs
@ -252,6 +256,7 @@ void noSDCardFound(void);
void onBusReset(void);
void initFileLog(int);
void finalizeFileLog(void);
void findDriveImages(FsFile root);
/*
* IO read.
@ -335,16 +340,14 @@ void readSDCardInfo()
* Open HDD image file
*/
bool hddimageOpen(HDDIMG *h,const char *image_name,int id,int lun,int blocksize)
bool hddimageOpen(HDDIMG *h, FsFile file,int id,int lun,int blocksize)
{
h->m_fileSize = 0;
h->m_blocksize = blocksize;
h->m_file = SD.open(image_name, O_RDWR);
h->m_file = file;
if(h->m_file.isOpen())
{
h->m_fileSize = h->m_file.size();
LOG_FILE.print("Imagefile: ");
LOG_FILE.print(image_name);
if(h->m_fileSize>0)
{
// check blocksize dummy file
@ -359,9 +362,9 @@ bool hddimageOpen(HDDIMG *h,const char *image_name,int id,int lun,int blocksize)
}
else
{
LOG_FILE.println(" - file is 0 bytes, can not use.");
h->m_file.close();
h->m_fileSize = h->m_blocksize = 0; // no file
LOG_FILE.println("FileSizeError");
}
}
return false;
@ -392,6 +395,14 @@ void setup()
// PIN initialization
gpio_mode(LED2, GPIO_OUTPUT_PP);
gpio_mode(LED, GPIO_OUTPUT_OD);
// Image Set Select Init
gpio_mode(IMAGE_SELECT1, GPIO_INPUT_PU);
gpio_mode(IMAGE_SELECT2, GPIO_INPUT_PU);
pinMode(IMAGE_SELECT1, INPUT);
pinMode(IMAGE_SELECT2, INPUT);
int image_file_set = ((digitalRead(IMAGE_SELECT1) == LOW) ? 1 : 0) | ((digitalRead(IMAGE_SELECT2) == LOW) ? 2 : 0);
LED_OFF();
//GPIO(SCSI BUS)Initialization
@ -450,18 +461,71 @@ void setup()
scsi_id_mask = 0x00;
// Iterate over the root path in the SD card looking for candidate image files.
SdFile root;
root.open("/");
SdFile file;
bool imageReady;
int usedDefaultId = 0;
FsFile root;
char image_set_dir_name[] = "/ImageSetX/";
image_set_dir_name[9] = char(image_file_set) + 0x30;
root.open(image_set_dir_name);
if (root.isDirectory()) {
LOG_FILE.print("Looking for images in: ");
LOG_FILE.println(image_set_dir_name);
LOG_FILE.sync();
} else {
root.close();
root.open("/");
}
findDriveImages(root);
root.close();
FsFile images_all_dir;
images_all_dir.open("/ImageSetAll/");
if (images_all_dir.isDirectory()) {
LOG_FILE.println("Looking for images in: /ImageSetAll/");
LOG_FILE.sync();
findDriveImages(images_all_dir);
}
images_all_dir.close();
// Error if there are 0 image files
if(scsi_id_mask==0) {
LOG_FILE.println("ERROR: No valid images found!");
onFalseInit();
}
finalizeFileLog();
LED_OFF();
//Occurs when the RST pin state changes from HIGH to LOW
attachInterrupt(RST, onBusReset, FALLING);
}
void findDriveImages(FsFile root) {
bool image_ready;
FsFile file;
char path_name[MAX_FILE_PATH+1];
root.getName(path_name, sizeof(path_name));
SD.chdir(path_name);
while (1) {
if (!file.openNext(&root, O_READ)) break;
// Directories can not be opened RDWR, so it will fail, but fails the same way with no file/dir, so we need to peek at the file first.
FsFile file_test = root.openNextFile(O_RDONLY);
char name[MAX_FILE_PATH+1];
if(!file.isDir()) {
file.getName(name, MAX_FILE_PATH+1);
file.close();
String file_name = String(name);
file_test.getName(name, MAX_FILE_PATH+1);
String file_name = String(name);
// Skip directories and already open files.
if(file_test.isDir() || file_name.startsWith("LOG.txt")) {
file_test.close();
continue;
}
// If error there is no next file to open.
if(file_test.getError() > 0) {
file_test.close();
break;
}
// Valid file, open for reading/writing.
file = SD.open(name, O_RDWR);
if(file && file.isFile()) {
file_name.toLowerCase();
if(file_name.startsWith("hd")) {
// Defaults for Hard Disks
@ -479,7 +543,8 @@ void setup()
if(tmp_id > -1 && tmp_id < 8) {
id = tmp_id;
} else {
usedDefaultId++;
LOG_FILE.print(name);
LOG_FILE.println(" - bad SCSI id in filename, Using default ID 1");
}
}
@ -501,38 +566,23 @@ void setup()
if(id < NUM_SCSIID && lun < NUM_SCSILUN) {
HDDIMG *h = &img[id][lun];
imageReady = hddimageOpen(h,name,id,lun,blk);
if(imageReady) { // Marked as a responsive ID
LOG_FILE.print(" - ");
LOG_FILE.print(name);
image_ready = hddimageOpen(h, file, id, lun, blk);
if(image_ready) { // Marked as a responsive ID
scsi_id_mask |= 1<<id;
}
} else {
LOG_FILE.print("Bad LUN or SCSI id for image: ");
LOG_FILE.println(name);
LOG_FILE.sync();
}
} else {
LOG_FILE.print("Not an image: ");
LOG_FILE.println(name);
LOG_FILE.sync();
}
} else {
file.close();
LOG_FILE.print("Not an image: ");
LOG_FILE.println(name);
}
}
if(usedDefaultId > 1) {
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
if(scsi_id_mask==0) {
LOG_FILE.println("ERROR: No valid images found!");
onFalseInit();
}
finalizeFileLog();
LED_OFF();
//Occurs when the RST pin state changes from HIGH to LOW
attachInterrupt(RST, onBusReset, FALLING);
// cd .. before going back.
SD.chdir("/");
}
/*