From 3b870b281119cb93ff5d516595c1341778a15cb9 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Sun, 6 May 2018 21:38:39 +0200 Subject: Decode UA data in FIG 0/13 --- src/fig0_13.cpp | 42 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 41 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/fig0_13.cpp b/src/fig0_13.cpp index f79e96a..0edb585 100644 --- a/src/fig0_13.cpp +++ b/src/fig0_13.cpp @@ -116,13 +116,53 @@ fig_result_t fig0_13(fig0_common_t& fig0, const display_settings_t &disp) uint16_t user_app_type = ((f[k] << 8) | (f[k+1] & 0xE0)) >> 5; uint8_t user_app_len = f[k+1] & 0x1F; - k+=2; + k += 2; r.msgs.emplace_back(1, "-"); r.msgs.emplace_back(2, strprintf("User Application=%d '%s'", user_app_type, get_fig_0_13_userapp(user_app_type).c_str())); r.msgs.emplace_back(2, strprintf("length=%u", user_app_len)); + + if (user_app_len >= 2) { + bool ca_flag = (f[k] >> 7) & 0x1; + r.msgs.emplace_back(2, strprintf("CAflag=%d", ca_flag)); + + bool ca_org_flag = (f[k] >> 6) & 0x1; + r.msgs.emplace_back(2, strprintf("CAOrgflag=%d", ca_org_flag)); + + uint8_t xpad_appty = f[k] & 0x1F; + r.msgs.emplace_back(2, strprintf("XPAD_AppTy=%d", xpad_appty)); + + bool dg_flag = (f[k+1] >> 7) & 0x1; + r.msgs.emplace_back(2, strprintf("DGflag=%d", dg_flag)); + + uint8_t dscty = f[k+1] & 0x3F; + r.msgs.emplace_back(2, strprintf("DSCTy=%d", dscty)); + + k += 2; + size_t effective_uadata_len = user_app_len - 2; + + if (ca_org_flag) { + if (user_app_len < 4) { + r.errors.push_back("User Application Data Length too short to contain CAOrg!"); + } + else { + uint16_t ca_org = (f[k] << 8) | f[k+1]; + k += 2; + effective_uadata_len -= 2; + r.msgs.emplace_back(2, strprintf("ca_org=%u", ca_org)); + } + } + + std::string ua_data = "UA Data="; + for (size_t i = 0; i < effective_uadata_len; i++) { + ua_data += strprintf("0x%02x ", f[k + i]); + } + r.msgs.emplace_back(2, move(ua_data)); + } + + } r.complete = complete; -- cgit v1.2.3