API: Add new PD capabilities introduced in OSDP v2.2

Also, advertise LibOSDP PD to be "SIA 2.2" compliant.

Signed-off-by: Siddharth Chandrasekaran <[email protected]>

include/osdp.h

@@ -185,6 +185,22 @@ enum osdp_pd_cap_function_code_e {
 	 */
 	OSDP_PD_CAP_BIOMETRICS,
 
+	/**
+	 * This capability indicates if the reader is capable of supporting
+	 * Secure Pin Entry (SPE) for smart cards
+	 */
+	OSDP_PD_CAP_SECURE_PIN_ENTRY,
+
+	/**
+	 * This capability indicates the version of OSDP the PD supports
+	 *
+	 * Compliance Levels:
+	 *   0 - Unspecified
+	 *   1 - IEC 60839-11-5
+	 *   2 - SIA OSDP 2.2
+	 */
+	OSDP_PD_CAP_OSDP_VERSION,
+
 	/**
 	 * Capability Sentinel
 	 */

src/osdp_cp.c

@@ -170,6 +170,8 @@ static const char *cp_get_cap_name(int cap)
 		[OSDP_PD_CAP_SMART_CARD_SUPPORT] = "SmartCard",
 		[OSDP_PD_CAP_READERS] = "Reader",
 		[OSDP_PD_CAP_BIOMETRICS] = "Biometric",
+		[OSDP_PD_CAP_SECURE_PIN_ENTRY] = "SecurePinEntry",
+		[OSDP_PD_CAP_OSDP_VERSION] = "OsdpVersion",
 	};
 	return cap_name[cap];
 }

src/osdp_pd.c

@@ -73,6 +73,11 @@ static struct osdp_pd_cap osdp_pd_cap[] = {
 		BYTE_0(OSDP_PACKET_BUF_SIZE),
 		BYTE_1(OSDP_PACKET_BUF_SIZE),
 	},
+	{
+		OSDP_PD_CAP_OSDP_VERSION,
+		2, /* SIA OSDP 2.2 */
+		0, /* N/A */
+	},
 	{ -1, 0, 0 } /* Sentinel */
 };