Going to extend basflash.c to

1.) load srec files to their RAM destination without flashing for testing
2.) load and flash srec files from SD card

BaS_gcc/sources/basflash.c

@@ -6,9 +6,185 @@
  */
 
 #include <stdint.h>
+#include <stdbool.h>
 #include <bas_printf.h>
+#include <diskio.h>
+#include <ff.h>
+#include <s19reader.h>
+
+typedef enum {OK, ERR} err_t;
+
+bool memcpy()
+{
+	return true;
+}
+
+bool verify()
+{
+	return true;
+}
+
+bool simulate()
+{
+	return true;
+}
+
+void srec_flash(char *flash_filename)
+{
+	DRESULT res;
+	FRESULT fres;
+	FATFS fs;
+	FIL file;
+	err_t err;
+	void *start_address;
+	uint32_t length;
+
+	// disk_initialize(0);
+	res = disk_status(0);
+	if (res == RES_OK)
+	{
+		fres = f_mount(0, &fs);
+		if (fres == FR_OK)
+		{
+			if ((fres = f_open(&file, flash_filename, FA_READ) != FR_OK))
+			{
+				xprintf("flasher file %s not present on disk\r\n", flash_filename);
+			}
+			else
+			{
+				f_close(&file);
+
+				/* first pass: parse and check for inconsistencies */
+				xprintf("check file integrity: ");
+				err = read_srecords(flash_filename, &start_address, &length, simulate);
+				if (err == OK)
+				{
+					/* next pass: copy data to destination */
+					xprintf("OK.\r\ncopy/flash data: ");
+					err = read_srecords(flash_filename, &start_address, &length, memcpy);
+					if (err == OK)
+					{
+						/* next pass: verify data */
+						xprintf("OK.\r\nverify data: ");
+						err = read_srecords(flash_filename, &start_address, &length, verify);
+						if (err == OK)
+						{
+							xprintf("OK.\r\n");
+							typedef void void_func(void);
+							void_func *func;
+							xprintf("target successfully written and verified. Start address: %p\r\n", start_address);
+
+							func = start_address;
+							(*func)();
+						}
+						else
+						{
+							xprintf("failed\r\n");
+						}
+					}
+					else
+					{
+						xprintf("failed\r\n");
+					}
+				}
+				else
+				{
+					xprintf("failed\r\n");
+				}
+			}
+		}
+		else
+		{
+			// xprintf("could not mount FAT FS\r\n");
+		}
+		f_mount(0, 0L);
+	}
+	else
+	{
+		// xprintf("could not initialize SD card\r\n");
+	}
+}
+
+void srec_load(char *flash_filename)
+{
+	DRESULT res;
+	FRESULT fres;
+	FATFS fs;
+	FIL file;
+	err_t err;
+	void *start_address;
+	uint32_t length;
+
+	// disk_initialize(0);
+	res = disk_status(0);
+	if (res == RES_OK)
+	{
+		fres = f_mount(0, &fs);
+		if (fres == FR_OK)
+		{
+			if ((fres = f_open(&file, flash_filename, FA_READ) != FR_OK))
+			{
+				xprintf("flasher file %s not present on disk\r\n", flash_filename);
+			}
+			else
+			{
+				f_close(&file);
+
+				/* first pass: parse and check for inconsistencies */
+				xprintf("check file integrity: ");
+				err = read_srecords(flash_filename, &start_address, &length, simulate);
+				if (err == OK)
+				{
+					/* next pass: copy data to destination */
+					xprintf("OK.\r\ncopy/flash data: ");
+					err = read_srecords(flash_filename, &start_address, &length, memcpy);
+					if (err == OK)
+					{
+						/* next pass: verify data */
+						xprintf("OK.\r\nverify data: ");
+						err = read_srecords(flash_filename, &start_address, &length, verify);
+						if (err == OK)
+						{
+							xprintf("OK.\r\n");
+							typedef void void_func(void);
+							void_func *func;
+							xprintf("target successfully written and verified. Start address: %p\r\n", start_address);
+
+							func = start_address;
+							(*func)();
+						}
+						else
+						{
+							xprintf("failed\r\n");
+						}
+					}
+					else
+					{
+						xprintf("failed\r\n");
+					}
+				}
+				else
+				{
+					xprintf("failed\r\n");
+				}
+			}
+		}
+		else
+		{
+			// xprintf("could not mount FAT FS\r\n");
+		}
+		f_mount(0, 0L);
+	}
+	else
+	{
+		// xprintf("could not initialize SD card\r\n");
+	}
+}
 
 void basflash(void)
 {
+	const char *basauto_str = "\\BASAUTO\\";
+	const char *bassimu_str = "\\BASSIMU\\";
+
 	xprintf("\r\nHello from BASFLASH.S19!\r\n\r\n");
 }