Added STM32U59x/5Ax in known devices

Ledger-Donjon · Oct 10, 2023 · eb37567 · eb37567
1 parent d080db9
commit eb37567
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Showing 2 changed files with 27 additions and 16 deletions.
diff --git a/api/scaffold/stm32.py b/api/scaffold/stm32.py
@@ -104,6 +104,13 @@ class STM32:
         'system': MemorySection(0x1fff0000, 0x1fff7000),
         'flash': MemorySection(0x08000000, 0x08040000)}
 
+    # Memory layout for STM32U5A9
+    map_u5 = {
+        'otp': MemorySection(0x0bfa0000, 0x0bfa0200),
+        'system': MemorySection(0x0bf90000, 0x0bf98000),
+        'flash': MemorySection(0x08000000, 0x08080000)
+    }
+
     # See AN2606 for PID values
     PIDS = [
         STM32Device('STM32F05xxx', 0x440, {}),
@@ -117,7 +124,8 @@ class STM32:
         STM32Device('STM32L45xxx/46xxx', 0x462, {}),
         STM32Device('STM32L47xxx/48xxx', 0x415, {}),
         STM32Device('STM32L496xx/4A6xx', 0x461, {}),
-        STM32Device('STM32L4Rxx/4Sxx', 0x470, {})]
+        STM32Device('STM32L4Rxx/4Sxx', 0x470, {}),
+        STM32Device('STM32U59x/5Ax', 0x481, map_u5)]
 
     def __init__(self, scaffold):
         """

diff --git a/examples/stm32.py b/examples/stm32.py
@@ -72,21 +72,24 @@
 print(f'Bootloader version: {version[0]}.{version[1]}')
 
 if stm.device is not None:
-    try:
-        data = stm.read_option_bytes()
-        print(f'Option bytes: {hexlify(data).decode()}')
-        rdp = data[stm.device.offset_rdp]
-        if rdp == 0xaa:
-            rdp_str = 'no protection'
-        elif rdp == 0xcc:
-            # If the chip is really protected, we should not be able to know it
-            # by reading the option bytes... So this may be useless.
-            rdp_str = 'chip protection'
-        else:
-            rdp_str = 'read protection'
-        print(f'RDP: {rdp_str}')
-    except NACKError:
-        print('Failed to read protection bytes, device probably in RDP1.')
+    if 'option_bytes' in stm.device.memory_mapping:
+        try:
+            data = stm.read_option_bytes()
+            print(f'Option bytes: {hexlify(data).decode()}')
+            rdp = data[stm.device.offset_rdp]
+            if rdp == 0xaa:
+                rdp_str = 'no protection'
+            elif rdp == 0xcc:
+                # If the chip is really protected, we should not be able to know it
+                # by reading the option bytes... So this may be useless.
+                rdp_str = 'chip protection'
+            else:
+                rdp_str = 'read protection'
+            print(f'RDP: {rdp_str}')
+        except NACKError:
+            print('Failed to read protection bytes, device probably in RDP1.')
+    else:
+        print('Unknown option bytes memory location')
 
 if args.erase or ((args.load is not None) and (args.ram is None)):
     # Erase Flash memory before writing it. This may be very long.