Fix Embed.toml for the blinky demo and add readme

Author: andresovela

examples/blinky-button-demo/Embed.toml

@@ -1,46 +1,63 @@
-[probe]
-# The index of the probe in the connected probe list.
-# probe_index = 0
+[default.probe]
+# USB vendor ID
+# usb_vid = "1337"
+# USB product ID
+# usb_pid = "1337"
+# Serial number
+# serial = "12345678"
 # The protocol to be used for communicating with the target.
 protocol = "Swd"
 # The speed in kHz of the data link to the target.
 # speed = 1337
 
-[flashing]
+[default.flashing]
 # Whether or not the target should be flashed.
 enabled = true
-# Whether or not the target should be halted after flashing.
+# Whether or not the target should be halted after reset.
+# DEPRECATED, moved to reset section
 halt_afterwards = false
 # Whether or not bytes erased but not rewritten with data from the ELF
 # should be restored with their contents before erasing.
 restore_unwritten_bytes = false
 # The path where an SVG of the assembled flash layout should be written to.
 # flash_layout_output_path = "out.svg"
 
-[general]
+[default.reset]
+# Whether or not the target should be reset.
+# When flashing is enabled as well, the target will be reset after flashing.
+enabled = true
+# Whether or not the target should be halted after reset.
+halt_afterwards = false
+
+[default.general]
 # The chip name of the chip to be debugged.
-chip = "nRF52832"
+chip = "nRF52832_xxAA"
 # A list of chip descriptions to be loaded during runtime.
 chip_descriptions = []
-# The default log level to be used.
-log_level = "Warn"
+# The default log level to be used. Possible values are one of:
+#   "OFF", "ERROR", "WARN", "INFO", "DEBUG", "TRACE" 
+log_level = "WARN"
 
-[rtt]
+[default.rtt]
 # Whether or not an RTTUI should be opened after flashing.
 # This is exclusive and cannot be used with GDB at the moment.
-enabled = true
+enabled = false
 # A list of channel associations to be displayed. If left empty, all channels are displayed.
 channels = [
-    # { up = 0, down = 0, name = "name" }
+    # { up = 0, down = 0, name = "name", format = "String" }
 ]
 # The duration in ms for which the logger should retry to attach to RTT.
 timeout = 3000
 # Whether timestamps in the RTTUI are enabled
 show_timestamps = true
+# Whether to save rtt history buffer on exit.
+log_enabled = false
+# Where to save rtt history buffer relative to manifest path.
+log_path = "./logs"
 
-[gdb]
+[default.gdb]
 # Whether or not a GDB server should be opened after flashing.
 # This is exclusive and cannot be used with RTT at the moment.
 enabled = false
 # The connection string in host:port format wher the GDB server will open a socket.
-# gdb_connection_string
+# gdb_connection_string

examples/blinky-button-demo/README.md

@@ -0,0 +1,18 @@
+# Blinky button demo
+
+This example turns on LED 1 when you press Button 1 on the nrf52-dk (PCA10040).
+
+## Set up with `cargo-embed`
+
+Install `cargo-embed` if you don't have it already:
+
+```console
+$ cargo install cargo-embed
+```
+
+Then just `cd` to the example folder and run
+
+```console
+$ cargo embed --target thumbv7em-none-eabihf
+```
+