TT dbv3 (HRS connectors), first iteration

Author: psychogenic

src/ttboard/boot/demoboard_detect.py

@@ -8,6 +8,7 @@
 from ttboard.pins.upython import Pin
 import ttboard.pins.gpio_map
 from ttboard.pins.gpio_map import GPIOMapTT04, GPIOMapTT06
+from ttboard.pins.gpio_map_dbv3 import GPIOMapTTDBv3
 
 import ttboard.log as logging
 log = logging.getLogger(__name__)
@@ -20,13 +21,15 @@ class DemoboardVersion:
     UNKNOWN = 0
     TT04 = 1
     TT06 = 2
+    TTDBv3 = 3
 
     @classmethod 
     def to_string(cls, v:int):
         asStr = {
             cls.UNKNOWN: 'UNKNOWN',
             cls.TT04: 'TT04/TT05',
-            cls.TT06: 'TT06+'
+            cls.TT06: 'TT06+',
+            cls.TTDBv3: 'TTDBv3',
         }
         if v in asStr:
             return asStr[v]
@@ -133,6 +136,18 @@ def probe_tt04mux(cls):
 
         log.debug("Mux twiddle has no effect, probably not TT04 db")
         return False
+    
+    @classmethod
+    def probe_rp2350(cls):
+        try: 
+            _p = Pin(37, Pin.IN)
+        except ValueError:
+            return False 
+        cls.PCB = DemoboardVersion.TTDBv3
+        cls.CarrierPresent = True
+        cls.CarrierVersion = DemoboardCarrier.TT_CARRIER # TODO: FIXME just assuming carrier here
+        return True
+    
     @classmethod 
     def rp_all_inputs(cls):
         log.debug("Setting all RP GPIO to INPUTS")
@@ -146,12 +161,9 @@ def rp_all_inputs(cls):
     def probe(cls):
         result = False
         cls.rp_all_inputs()
-        if cls.probe_tt04mux():
-            cls._configure_gpiomap()
-            result = True 
-        elif cls.probe_pullups():
+        if cls.probe_rp2350() or cls.probe_tt04mux() or cls.probe_pullups():
             cls._configure_gpiomap()
-            result = True 
+            result = True
         else:
             log.debug("Neither pullup nor tt04mux tests conclusive, assuming TT06+ board")
             cls.PCB = DemoboardVersion.TT06
@@ -171,7 +183,8 @@ def _configure_gpiomap(cls):
         mapToUse = {
 
             DemoboardVersion.TT04: GPIOMapTT04,
-            DemoboardVersion.TT06: GPIOMapTT06
+            DemoboardVersion.TT06: GPIOMapTT06,
+            DemoboardVersion.TTDBv3: GPIOMapTTDBv3,
 
             }
         if cls.PCB in mapToUse:

src/ttboard/demoboard.py

@@ -125,15 +125,14 @@ def __init__(self,
                 'tt06': DemoboardVersion.TT06,
                 'tt07': DemoboardVersion.TT06,
                 'tt08': DemoboardVersion.TT06,
-                'tt09': DemoboardVersion.TT06,
-                'tt10': DemoboardVersion.TT06,
+                'ttDBv3': DemoboardVersion.TTDBv3,
 
                 }
             if self.user_config.force_demoboard in versionMap:
                 log.warn(f'Demoboard detection forced to {self.user_config.force_demoboard}')
                 DemoboardDetect.force_detection(versionMap[self.user_config.force_demoboard])
             else:
-                log.error(f'Unrecognized force_demoboard setting: {self.user_config.force_demoboard}')
+                log.error(f'Unrecognized force_demoboard setting: {self.user_config.force_demoboard} ?')
 
 
 

src/ttboard/pins/gpio_map.py

@@ -105,7 +105,6 @@ def all_common(cls):
             "uio5": cls.UIO5,
             "uio6": cls.UIO6,
             "uio7": cls.UIO7,
-            "rpio29": cls.RPIO29
         }
         return retDict
 
@@ -198,6 +197,7 @@ def all(cls):
             "cena_uo_out1": cls.CTRL_ENA_UO_OUT1, # "ctrl_ena": cls.CTRL_ENA,
             "ncrst_uo_out2": cls.nCRST_UO_OUT2,
             "cinc_uo_out3": cls.CINC_UO_OUT3,
+            "rpio29": cls.RPIO29,
         })
         return retDict
     @classmethod
@@ -316,7 +316,8 @@ def all(cls):
             'uo_out0': cls.UO_OUT0,
             'uo_out1': cls.UO_OUT1,
             'uo_out2': cls.UO_OUT2,
-            'uo_out3': cls.UO_OUT3
+            'uo_out3': cls.UO_OUT3,
+            "rpio29": cls.RPIO29
         })
 
         if cls.tt07_cb_fix:

src/ttboard/pins/gpio_map_dbv3.py

@@ -0,0 +1,87 @@
+'''
+Created on Nov 8, 2025
+
+@author: Pat Deegan
+@copyright: Copyright (C) 2025 Pat Deegan, https://psychogenic.com
+'''
+from ttboard.pins.gpio_map import GPIOMapBase
+
+class GPIOMapTTDBv3(GPIOMapBase):
+    RP_PROJCLK = 21
+    PROJECT_nRST = 20
+    CTRL_SEL_nRST = 1
+    CTRL_SEL_INC = 2
+    CTRL_SEL_ENA = 0
+    UO_OUT0 = 30
+    UO_OUT1 = 31
+    UO_OUT2 = 32
+    UO_OUT3 = 33
+    UO_OUT4 = 34
+    UO_OUT5 = 35
+    UO_OUT6 = 36 
+    UO_OUT7 = 37
+    UI_IN0 = 12
+    UI_IN1 = 13
+    UI_IN2 = 14
+    UI_IN3 = 15
+    UI_IN4  = 16
+    UI_IN5  = 17
+    UI_IN6  = 18
+    UI_IN7  = 19
+    UIO0 = 22
+    UIO1 = 23
+    UIO2 = 24
+    UIO3 = 25
+    UIO4 = 26
+    UIO5 = 27
+    UIO6 = 28
+    UIO7 = 29
+    RP_LED = 11
+
+    # Enable a workaround for a PCB error in TT07 carrier board, which swapped the ctrl_sel_inc and ctrl_sel_nrst lines:
+    tt07_cb_fix = False
+    
+    @classmethod 
+    def project_clock(cls):
+        return cls.RP_PROJCLK
+    
+    @classmethod 
+    def project_reset(cls):
+        return cls.PROJECT_nRST
+    
+    
+    @classmethod 
+    def ctrl_increment(cls):
+        return cls.CTRL_SEL_INC
+    
+    @classmethod 
+    def ctrl_enable(cls):
+        return cls.CTRL_SEL_ENA
+    
+    @classmethod 
+    def ctrl_reset(cls):
+        return cls.CTRL_SEL_nRST
+    
+    @classmethod 
+    def always_outputs(cls):
+        return [
+            'cinc',
+            'cena',
+            'ncrst'
+        ]
+    @classmethod 
+    def all(cls):
+        retDict = cls.all_common()
+
+        retDict.update({
+            'nprojectrst': cls.PROJECT_nRST,
+            'cinc': cls.CTRL_SEL_INC,
+            'cena': cls.CTRL_SEL_ENA,
+            'ncrst': cls.CTRL_SEL_nRST,
+            'uo_out0': cls.UO_OUT0,
+            'uo_out1': cls.UO_OUT1,
+            'uo_out2': cls.UO_OUT2,
+            'uo_out3': cls.UO_OUT3
+        })
+
+        return retDict