Refactor timer taxonomy

Author: honzasp

data/registers/timer_l0.yaml

@@ -197,10 +197,6 @@ fieldset/CR1_CORE:
     description: Auto-reload preload enable
     bit_offset: 7
     bit_size: 1
-  - name: UIFREMAP
-    description: UIF status bit remapping enable
-    bit_offset: 11
-    bit_size: 1
 fieldset/CR1_1CH:
   extends: CR1_CORE
   description: control register 1
@@ -241,12 +237,7 @@ fieldset/CR2_MMS:
 fieldset/CR2_2CH:
   extends: CR2_MMS
   description: control register 2
-  fields:
-  - name: TI1S
-    description: TI1 selection
-    bit_offset: 7
-    bit_size: 1
-    enum: TI1S
+  fields: []
 fieldset/CR2_CCDMA:
   description: control register 2
   fields:
@@ -259,6 +250,11 @@ fieldset/CR2_TRIGDMA:
   extends: CR2_CCDMA
   description: control register 2
   fields:
+  - name: MMS
+    description: Master mode selection
+    bit_offset: 4
+    bit_size: 3
+    enum: MMS
   - name: TI1S
     description: TI1 selection
     bit_offset: 7

data/registers/timer_v1.yaml

@@ -415,14 +415,14 @@ fieldset/CR2_CCDMA:
     bit_size: 1
     enum: CCDS
 fieldset/CR2_TRIGDMA:
-  extends: CR2_CCDMA
+  extends: CR2_2CH
   description: control register 2
   fields:
-  - name: TI1S
-    description: TI1 selection
-    bit_offset: 7
+  - name: CCDS
+    description: Capture/compare DMA selection
+    bit_offset: 3
     bit_size: 1
-    enum: TI1S
+    enum: CCDS
 fieldset/CR2_ADV1CH:
   extends: CR2_CCDMA
   description: control register 2
@@ -453,6 +453,11 @@ fieldset/CR2_ADV2CH:
   extends: CR2_ADV1CH
   description: control register 2
   fields:
+  - name: MMS
+    description: Master mode selection
+    bit_offset: 4
+    bit_size: 3
+    enum: MMS
   - name: TI1S
     description: TI1 selection
     bit_offset: 7

data/registers/timer_v2.yaml

@@ -113,7 +113,7 @@ block/TIM_1CH:
     description: |-
       Option register 1
       Note: Check Reference Manual to parse this register content
-    byte_offset: 80
+    byte_offset: 104
 
 block/TIM_2CH:
   extends: TIM_1CH
@@ -181,11 +181,11 @@ block/TIM_4CH:
     fieldset: CCMR_Output_4CH
   - name: DCR
     description: DMA control register
-    byte_offset: 72
+    byte_offset: 988
     fieldset: DCR_CCDMA
   - name: DMAR
     description: DMA address for full transfer
-    byte_offset: 76
+    byte_offset: 992
   - name: ECR
     description: encoder control register
     byte_offset: 88
@@ -477,14 +477,14 @@ fieldset/CR2_CCDMA:
     bit_size: 1
     enum: CCDS
 fieldset/CR2_TRIGDMA:
-  extends: CR2_CCDMA
+  extends: CR2_2CH
   description: control register 2
   fields:
-  - name: TI1S
-    description: TI1 selection
-    bit_offset: 7
+  - name: CCDS
+    description: Capture/compare DMA selection
+    bit_offset: 3
     bit_size: 1
-    enum: TI1S
+    enum: CCDS
 fieldset/CR2_ADV1CH:
   extends: CR2_CCDMA
   description: control register 2
@@ -515,6 +515,15 @@ fieldset/CR2_ADV2CH:
   extends: CR2_ADV1CH
   description: control register 2
   fields:
+  - name: MMS
+    description: Master mode selection
+    bit_offset:
+    - start: 4
+      end: 6
+    - start: 25
+      end: 25
+    bit_size: 4
+    enum: MMS
   - name: TI1S
     description: TI1 selection
     bit_offset: 7
@@ -1138,7 +1147,7 @@ fieldset/CCR5_ADV4CH:
       stride: 1
     enum: GC5C
 fieldset/CCR_DITHER_1CH:
-  description: capture/compare register x (x=1-4,6)
+  description: capture/compare register x (x=1-4,6) (Dither mode enabled)
   fields:
   - name: DITHER
     description: capture/compare x (x=1-4,6) value
@@ -1331,27 +1340,23 @@ fieldset/AF1_ADV1CH:
     bit_offset: 0
     bit_size: 1
   - name: BKCMPE
-    description: TIM_BRK_CMPx (x=1-2) enable
+    description: TIM_BRK_CMPx (x=1-8) enable
     bit_offset: 1
     bit_size: 1
     array:
-      len: 2
+      len: 8
       stride: 1
-  - name: BKDF1BKE
-    description: BRK DFSDM1_BREAKx enable (x=0 if TIM15, x=1 if TIM16, x=2 if TIM17)
-    bit_offset: 8
-    bit_size: 1
   - name: BKINP
     description: TIMx_BKIN input polarity
     bit_offset: 9
     bit_size: 1
     enum: BKINP
   - name: BKCMPP
-    description: TIM_BRK_CMPx (x=1-2) input polarity
+    description: TIM_BRK_CMPx (x=1-3) input polarity
     bit_offset: 10
     bit_size: 1
     array:
-      len: 2
+      len: 4
       stride: 1
     enum: BKINP
 fieldset/AF1_ADV4CH:

stm32-data-gen/src/registers.rs

@@ -15,9 +15,7 @@ impl Registers {
         for f in glob::glob("data/registers/*")? {
             let f = f?;
             let ff = f.file_name().unwrap().to_string_lossy();
-            let Some(ff) = ff.strip_suffix(".yaml") else {
-                continue
-            };
+            let Some(ff) = ff.strip_suffix(".yaml") else { continue };
             let ff = ff.to_string();
 
             let ir: IR = serde_yaml::from_str(&std::fs::read_to_string(&f)?)