gpio: Generate instances from platform spec.

1 files changed, 25 insertions, 0 deletions

diff --git a/gpio/SConscript b/gpio/SConscript
new file mode 100644
index 0000000..ea352cc
--- /dev/null
+++ b/gpio/SConscript
@@ -0,0 +1,25 @@
+Import('env')
+
+headers = []
+instances = []
+sources = []
+aliases = {}
+type_aliases = {}
+
+periph = env['PLATFORM_SPEC'].get('periph', {})
+
+if 'stm32_gpio' in periph:
+    headers.append('stm32_gpio.h')
+    for name, data in periph['stm32_gpio'].items():
+        instances.append({
+            'type': 'STM32_GPIO_%s_t' % data['type'],
+            'name': name,
+            'args': [data['offset']],
+        })
+
+        type_aliases['Pin'] = 'STM32_GPIO_%s_t::Pin' % data['type']
+        type_aliases['PinArray'] = 'STM32_GPIO_%s_t::PinArray' % data['type']
+
+env.Jinja2('gpio.h', '../templates/periph_instances.h.j2', headers = headers, instances = instances, aliases = aliases, type_aliases = type_aliases)
+
+Return('sources')