fw: Add flash and erase targets

These targets are added:

- fw/erase
- fw/app/flash
- fw/btl/flash

They make it easier to perform a mass-erase, flashing of the bootloader
and flashing of the application for development.

3 files changed, 39 insertions, 0 deletions

diff --git a/fw/app/meson.build b/fw/app/meson.build
index 8d84209..ddd5aa6 100644
--- a/fw/app/meson.build
+++ b/fw/app/meson.build
@@ -43,3 +43,17 @@ application_signed = custom_target(
   install: true,
   install_dir: '/',
 )
+
+flash_application = custom_target(
+  build_always_stale: true,
+  build_by_default: false,
+  command: [
+    'st-flash',
+    '--connect-under-reset',
+    'write',
+    meson.current_build_dir() / 'application.signed.bin',
+    '0x8040000',
+  ],
+  depends: application_signed,
+  output: ['flash'],
+)
diff --git a/fw/btl/meson.build b/fw/btl/meson.build
index c22ba3c..8ca1eb3 100644
--- a/fw/btl/meson.build
+++ b/fw/btl/meson.build
@@ -26,3 +26,17 @@ bootloader = custom_target('bootloader',
   install: true,
   install_dir: '/',
 )
+
+flash_bootloader = custom_target(
+  build_always_stale: true,
+  build_by_default: false,
+  command: [
+    'st-flash',
+    '--connect-under-reset',
+    'write',
+    meson.current_build_dir() / 'bootloader.bin',
+    '0x8000000',
+  ],
+  depends: bootloader,
+  output: ['flash'],
+)
diff --git a/fw/meson.build b/fw/meson.build
index 8194827..f61058c 100644
--- a/fw/meson.build
+++ b/fw/meson.build
@@ -7,3 +7,14 @@ subdir('rtos')
 subdir('app')
 subdir('btl')
 subdir('sim')
+
+erase = custom_target(
+  build_always_stale: true,
+  build_by_default: false,
+  command: [
+    'st-flash',
+    '--connect-under-reset',
+    'erase',
+  ],
+  output: ['erase'],
+)