examples/rust-gcoap: Add SAUL

examples/rust-gcoap/Cargo.toml

@@ -9,7 +9,7 @@ resolver = "2"
 crate-type = ["staticlib"]
 
 [dependencies]
-riot-wrappers = { version = "^0.7", features = [ "with_coap_message", "with_coap_handler" ] }
+riot-wrappers = { version = "^0.7.10", features = [ "with_coap_message", "with_coap_handler" ] }
 
 coap-message-demos = { git = "https://gitlab.com/chrysn/coap-message-demos/", default-features = false }
 coap-handler-implementations = "0.3"

examples/rust-gcoap/Makefile

@@ -19,9 +19,13 @@ USEMODULE += ztimer_usec
 USEMODULE += ztimer_msec
 USEMODULE += ztimer_sec
 
+# for the "vfs" feature of riot-coap-handler-demos (and vfs.c)
 USEMODULE += vfs
 USEMODULE += constfs
 
+# for the "saul" feature of riot-coap-handler-demos
+USEMODULE += saul_default
+
 # Comment this out to disable code in RIOT that does safety checking
 # which is not needed in a production environment but helps in the
 # development process:
@@ -30,6 +34,12 @@ DEVELHELP ?= 1
 # Change this to 0 show compiler invocation lines by default:
 QUIET ?= 1
 
+# Add 3k extra stack: The Rust examples take more of it than gcoap expects,
+# presumably because the example use the standard library's sting formatting
+# instead of one of the more optimized formatters.
+CFLAGS += -DGCOAP_STACK_SIZE='(THREAD_STACKSIZE_DEFAULT + DEBUG_EXTRA_STACKSIZE \
+    + sizeof(coap_pkt_t) + 3072)'
+
 # The name of crate (as per Cargo.toml package name, but with '-' replaced with '_')
 APPLICATION_RUST_MODULE = rust_gcoap
 BASELIBS += $(APPLICATION_RUST_MODULE).module

examples/rust-gcoap/Makefile.ci

@@ -1,11 +1,19 @@
 BOARD_INSUFFICIENT_MEMORY := \
+    airfy-beacon \
     blackpill \
     bluepill \
     bluepill-stm32f030c8 \
+    calliope-mini \
+    im880b \
     i-nucleo-lrwan1 \
+    microbit \
+    nrf51dongle \
+    nrf6310 \
     nucleo-f030r8 \
     nucleo-f031k6 \
     nucleo-f042k6 \
+    nucleo-f070rb \
+    nucleo-f072rb \
     nucleo-f302r8 \
     nucleo-f303k8 \
     nucleo-f334r8 \
@@ -22,4 +30,5 @@ BOARD_INSUFFICIENT_MEMORY := \
     stm32g0316-disco \
     stm32l0538-disco \
     stm32mp157c-dk2 \
+    yunjia-nrf51822 \
     #

examples/rust-gcoap/src/lib.rs

@@ -22,6 +22,7 @@ fn main() {
     let handler = coap_message_demos::full_application_tree(None)
         .below(&["ps"], riot_coap_handler_demos::ps::ps_tree())
         .below(&["vfs"], riot_coap_handler_demos::vfs::vfs("/const"))
+        .below(&["saul"], riot_coap_handler_demos::saul::SaulHandler::new(&["saul"]))
         .with_wkc()
         ;
     let mut handler = riot_wrappers::coap_handler::GcoapHandler(handler);