added DI unit

framework/resources.c

@@ -5,6 +5,7 @@
 #include "platform.h"
 #include "unit.h"
 #include "resources.h"
+#include "pin_utils.h"
 
 static bool rsc_initialized = false;
 
@@ -82,6 +83,30 @@ bool rsc_claim_range(Unit *unit, Resource rsc0, Resource rsc1)
     return true;
 }
 
+bool rsc_claim_gpios(Unit *unit, char port_name, uint16_t pins)
+{
+    bool suc = true;
+
+    for (int i = 0; i < 16; i++) {
+        if (pins & (1 << i)) {
+            Resource rsc = pin2resource(port_name, (uint8_t) i, &suc);
+            if (!suc) {
+                unit->status = E_BAD_CONFIG;
+
+                rsc_teardown(unit);
+                return false;
+            }
+
+            suc = rsc_claim(unit, rsc);
+            if (!suc) {
+                rsc_teardown(unit);
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
 /**
  * Free a resource for other use
  *

framework/resources.h

@@ -88,4 +88,15 @@ void rsc_teardown(Unit *unit);
 void rsc_free(Unit *unit, Resource rsc);
 void rsc_free_range(Unit *unit, Resource rsc0, Resource rsc1);
 
+/**
+ * Claim GPIOs by bitmask and port name, atomically.
+ * Tear down the unit on failure.
+ *
+ * @param unit - claiming unit
+ * @param port_name - port (eg. 'A')
+ * @param pins - pins, bitmask
+ * @return success
+ */
+bool rsc_claim_gpios(Unit *unit, char port_name, uint16_t pins);
+
 #endif //GEX_RESOURCES_H

framework/settings.c

@@ -16,7 +16,7 @@ static bool savebuf_ovhandler(PayloadBuilder *pb, uint32_t more);
 
 // This is the first entry in a valid config.
 // Change with each breaking change to force config reset.
-#define CONFIG_MARKER 0xA55D
+#define CONFIG_MARKER 0xA55E
 
 void settings_load(void)
 {
@@ -270,7 +270,7 @@ void settings_load_ini_begin(void)
 
 void settings_load_ini_key(const char *restrict section, const char *restrict key, const char *restrict value)
 {
-    dbg("[%s] %s = %s", section, key, value);
+//    dbg("[%s] %s = %s", section, key, value);
     static char namebuf[INI_KEY_MAX];
 
     if (streq(section, "SYSTEM")) {

framework/unit.c

@@ -6,6 +6,8 @@
 #include "unit.h"
 #include "resources.h"
 
+char unit_tmp64[64];
+
 // Abort partly inited unit
 void clean_failed_unit(Unit *unit)
 {

framework/unit.h

@@ -11,6 +11,8 @@
 #include "utils/payload_builder.h"
 #include "utils/payload_parser.h"
 
+extern char unit_tmp64[64]; // temporary static buffer
+
 typedef struct unit Unit;
 typedef struct unit_driver UnitDriver;