From 011fdf6e2b14e4bcac7d8845a2a9542f5cbed0a4 Mon Sep 17 00:00:00 2001
From: QioTek <jasonsiu@qio-tek.com>
Date: Wed, 15 Mar 2023 11:35:27 +0800
Subject: [PATCH] AP_RAMTRON: added PB85RS128C and PB85RS2MC

---
 libraries/AP_RAMTRON/AP_RAMTRON.cpp | 17 +++++++++++++++++
 libraries/AP_RAMTRON/AP_RAMTRON.h   |  1 +
 2 files changed, 18 insertions(+)

diff --git a/libraries/AP_RAMTRON/AP_RAMTRON.cpp b/libraries/AP_RAMTRON/AP_RAMTRON.cpp
index 0654aab0fb..50a24a4990 100644
--- a/libraries/AP_RAMTRON/AP_RAMTRON.cpp
+++ b/libraries/AP_RAMTRON/AP_RAMTRON.cpp
@@ -40,6 +40,9 @@ const AP_RAMTRON::ramtron_id AP_RAMTRON::ramtron_ids[] = {
     { 0x05, 0x09,  32, 2, RDID_type::Fujitsu }, // MB85RS256B
     { 0x24, 0x03,  16, 2, RDID_type::Fujitsu }, // MB85RS128TY
     { 0x25, 0x03,  32, 2, RDID_type::Fujitsu }, // MB85RS256TY
+
+    { 0x22, 0x00,  16, 2, RDID_type::Petabytes }, // PB85RS128C
+    { 0x24, 0x00, 256, 3, RDID_type::Petabytes }, // PB85RS2MC
 };
 
 // initialise the driver
@@ -62,6 +65,11 @@ bool AP_RAMTRON::init(void)
         uint8_t id1;
         uint8_t id2;
     };
+    struct petabytes_rdid {
+        uint8_t manufacturer[2];
+        uint8_t id1;
+        uint8_t id2;
+    };
 
     uint8_t rdid[sizeof(cypress_rdid)];
 
@@ -86,6 +94,15 @@ bool AP_RAMTRON::init(void)
                 ramtron_ids[i].id2 == fujitsu->id2) {
                 id = i;
                 break;
+             }
+        } else if (ramtron_ids[i].rdid_type == RDID_type::Petabytes) {
+            const petabytes_rdid *petabytes = (const petabytes_rdid *)rdid;
+            if (petabytes->manufacturer[0] == 0x62 && 
+                petabytes->manufacturer[1] == 0x8C &&
+                ramtron_ids[i].id1 == petabytes->id1 &&
+                ramtron_ids[i].id2 == petabytes->id2) {
+                id = i;
+                break;
             }
         }
     }
diff --git a/libraries/AP_RAMTRON/AP_RAMTRON.h b/libraries/AP_RAMTRON/AP_RAMTRON.h
index dea6d3703c..7174b0b0ea 100644
--- a/libraries/AP_RAMTRON/AP_RAMTRON.h
+++ b/libraries/AP_RAMTRON/AP_RAMTRON.h
@@ -28,6 +28,7 @@ private:
     enum class RDID_type :uint8_t {
         Cypress,
         Fujitsu,
+        Petabytes
     };
 
     struct ramtron_id {