Add initial OUTPUT_LOGIC support.

Protocol decoders can now declare an arbitrary number of logic output
channels with a fixed assumed samplerate each.

1 files changed, 20 insertions, 3 deletions

diff --git a/libsigrokdecode.h b/libsigrokdecode.h
index b9cc921..4440267 100644
--- a/libsigrokdecode.h
+++ b/libsigrokdecode.h
@@ -121,14 +121,15 @@ enum srd_loglevel {
 
 /*
  * When adding an output type, don't forget to...
- *   - expose it to PDs in controller.c:PyInit_sigrokdecode()
- *   - add a check in module_sigrokdecode.c:Decoder_put()
- *   - add a debug string in type_decoder.c:OUTPUT_TYPES
+ *   - expose it to PDs in module_sigrokdecode.c:PyInit_sigrokdecode()
+ *   - add a check in type_decoder.c:Decoder_put()
+ *   - add a debug string in type_decoder.c:output_type_name()
  */
 enum srd_output_type {
 	SRD_OUTPUT_ANN,
 	SRD_OUTPUT_PYTHON,
 	SRD_OUTPUT_BINARY,
+	SRD_OUTPUT_LOGIC,
 	SRD_OUTPUT_META,
 };
 
@@ -188,6 +189,11 @@ struct srd_decoder {
 	 */
 	GSList *binary;
 
+	/**
+	 * List of logic output channels (item: id, description, samplerate).
+	 */
+	GSList *logic_output_channels;
+
 	/** List of decoder options. */
 	GSList *options;
 
@@ -232,6 +238,12 @@ struct srd_decoder_annotation_row {
 	GSList *ann_classes;
 };
 
+struct srd_decoder_logic_output_channel {
+	char *id;
+	char *desc;
+	uint64_t samplerate;
+};
+
 struct srd_decoder_inst {
 	struct srd_decoder *decoder;
 	struct srd_session *sess;
@@ -314,6 +326,11 @@ struct srd_proto_data_binary {
 	uint64_t size;
 	const unsigned char *data;
 };
+struct srd_proto_data_logic {
+	int logic_class;
+	uint64_t size;
+	const unsigned char *data;
+};
 
 typedef void (*srd_pd_output_callback)(struct srd_proto_data *pdata,
 					void *cb_data);