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spiFlash, spiFlashdb: added global_lock flag and uses it instead of jedec_id (#566)

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Gwenhael Goavec-Merou
2025-06-30 18:26:22 +02:00
parent afb7bbeec2
commit b2aa12b582
2 changed files with 50 additions and 8 deletions
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src/spiFlash.cpp
+9 -8
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@@ -353,20 +353,21 @@ int SPIFlash::erase_and_prog(int base_addr, const uint8_t *data, int len)
bool must_relock = false; // used to relock after write;
/* microchip SST26VF032B have global lock set
* at powerup. global unlock must be send unconditionally
* with or without block protection
*/
if (_jedec_id == 0xbf2642bf) { // microchip SST26VF032B
if (!global_unlock())
return -1;
}
/* check Block Protect Bits (hide WIP/WEN bits) */
uint8_t status = read_status_reg() & ~0x03;
if (_verbose > 0)
display_status_reg(status);
/* if known chip */
if (_flash_model) {
/* microchip SST26VF032B/64B have global lock set
* at powerup. global unlock must be send unconditionally
* with or without block protection
*/
if (_flash_model->global_lock) {
if (!global_unlock())
return -1;
}
/* check if offset + len fit in flash */
if ((unsigned int)(base_addr + len) > (_flash_model->nr_sector * 0x10000)) {
printError("flash overflow");