WIP: ST micro conversion script

1 files changed, 88 insertions, 0 deletions

diff --git a/st_data/convert.py b/st_data/convert.py
new file mode 100755
index 0000000..4b06e4f
--- /dev/null
+++ b/st_data/convert.py
@@ -0,0 +1,88 @@
+#!/usr/bin/env python
+"""
+MPN structure:
+    STM32F101RB 
+    STM32F1 01 R B 
+    {family} {subfamily} {package} {memory}
+"""
+
+import json
+import csv
+
+ALL_FILE = "stm32_all_20130509.csv"
+
+PREFIXES = [
+    'STM32F0',
+    'STM32F1',
+    'STM32F2',
+    'STM32F3',
+    'STM32L',
+    'STM32W',
+]
+
+def decompose(mpn):
+    "returns (family, subfamily, memory, package"
+    return mpn[:7], mpn[7:9], mpn[9], mpn[10]
+
+def ensure_recurse_dict(tree, addr):
+    if not tree.has_key(addr[0]):
+        tree[addr[0]] = dict()
+    if len(addr) > 1:
+        ensure_recurse_dict(tree[addr[0]], addr[1:])
+
+def identical(l):
+    a = l[0]
+    for b in l[1:]:
+        if a != b:
+            return False
+    return True
+
+stm32_all_list = []
+with open(ALL_FILE, 'r') as f:
+    dr = csv.DictReader(f)
+    stm32_all_list.extend(dr)
+
+for item in stm32_all_list:
+    item['mpn'] = item.pop("Part Number")
+
+lists = dict()
+
+for pref in PREFIXES:
+    lists[pref] = [x for x in stm32_all_list if x['mpn'].startswith(pref)]
+    print "%s:" % pref
+    print '\t' + '\n\t'.join([x['mpn'] for x in lists[pref]])
+
+family = lists[PREFIXES[1]]
+
+# strip common specifications
+family_specs = dict()
+for spec in family[0].keys():
+    if identical([x[spec] for x in family]):
+        family_specs[spec] = family[0][spec]
+        [item.pop(spec) for item in family]
+
+print family_specs
+
+tree = dict()
+for part in family:
+    addr = decompose(part['mpn'])
+    #ensure_recurse_dict(tree, addr)
+    #tree[addr[0]][addr[1]][addr[2]][addr[3]] = part
+    ensure_recurse_dict(tree, addr[1:])
+    tree[addr[1]][addr[2]][addr[3]] = part
+
+print sorted(tree.keys())
+
+
+for subfamily in tree.items():
+    subfamily_keys = part.keys()
+    subfamily_keys.remove('mpn')
+    for spec in subfamily_keys:
+        subfamily_items = 
+        if not identical([x[spec] for x in [pkg.items() for pkg in [mem.items() for mem in subfamily.items()]]]):
+            subfamily_keys.remove(spec)
+    print subfamily_keys
+
+def combine(tree, depth):
+    if depth:
+        combinel(