lib: xc7series: config packet subclass that owns the payload

Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>

lib/include/prjxray/xilinx/xc7series/configuration_packet_with_payload.h

@@ -0,0 +1,33 @@
+#ifndef PRJXRAY_LIB_XILINX_XC7SERIES_g_CONFIGURATION_PACKET_WITH_PAYLOAD_H
+#define PRJXRAY_LIB_XILINX_XC7SERIES_g_CONFIGURATION_PACKET_WITH_PAYLOAD_H
+
+#include <memory>
+
+#include <absl/types/span.h>
+#include <prjxray/bit_ops.h>
+#include <prjxray/xilinx/xc7series/configuration_packet.h>
+#include <prjxray/xilinx/xc7series/configuration_register.h>
+
+namespace prjxray {
+namespace xilinx {
+namespace xc7series {
+
+template <int Words>
+class ConfigurationPacketWithPayload : public ConfigurationPacket {
+       public:
+	ConfigurationPacketWithPayload(
+	    Opcode op,
+	    ConfigurationRegister reg,
+	    const std::array<uint32_t, Words>& payload)
+	    : ConfigurationPacket(1, op, reg, absl::Span<uint32_t>(payload_)),
+	      payload_(std::move(payload)) {}
+
+       private:
+	std::array<uint32_t, Words> payload_;
+};  // namespace xc7series
+
+}  // namespace xc7series
+}  // namespace xilinx
+}  // namespace prjxray
+
+#endif  // PRJXRAY_LIB_XILINX_XC7SERIES_g_CONFIGURATION_PACKET_WITH_PAYLOAD_H