From f13e498b07f525c9e74e735761efc3150ab45224 Mon Sep 17 00:00:00 2001
From: Harsh Sharma <harsh.sharma@multitech.com>
Date: Fri, 6 Nov 2020 09:23:42 -0600
Subject: Fixed spi path and fpga version functionality for mtcdt3

---
 include/General.h                 |  1 +
 src/AccessoryCards/LoraCard15.cpp | 12 ++++++++++--
 src/Device/Device.cpp             | 16 ++++++++--------
 3 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/include/General.h b/include/General.h
index 81f5a3d..c4ea4ca 100644
--- a/include/General.h
+++ b/include/General.h
@@ -50,6 +50,7 @@ typedef unsigned int uint;  //32 bit - even on 64 bit machines
 #define FIRMWARE_DATE 					"Date"
 
 #define SYSFS_PLATFORM              	"/sys/devices/platform/mts-io/"
+#define PRODUCT_ID_PATH					"/sys/devices/platform/mts-io/product-id"
 #define LEDS_GPIO_DIR               	"/sys/devices/platform/leds-gpio/leds/"
 #define FIRMWARE_FILE               	"/etc/issue"
 
diff --git a/src/AccessoryCards/LoraCard15.cpp b/src/AccessoryCards/LoraCard15.cpp
index 69efb6b..cb7dc64 100644
--- a/src/AccessoryCards/LoraCard15.cpp
+++ b/src/AccessoryCards/LoraCard15.cpp
@@ -19,8 +19,15 @@
 
 Device::Lora15Card::Lora15Card(Device& d, const std::string ProductId, const std::string Port) : LoraCard(d, ProductId, Port) {
     int ret;
-    if ((productId.rfind("MTCDT3-", 0) == 0 || productId.rfind("MTLGA-", 0) == 0) && (port.back() == '2')) {
-        spiPath = "/dev/spidev1.0";
+    std::string deviceProductId = "";
+    /* Map the spi path to the device and card product id, with the default being spidev0.0 */
+    MTS::System::readFile(PRODUCT_ID_PATH, deviceProductId);
+    if (deviceProductId.find("MTCDT3-") != std::string::npos) {
+        if (port.back() == '2') {
+            spiPath = "/dev/spidev1.2";
+        } else {
+            spiPath = "/dev/spidev0.2";
+        }
     } else if (productId.find("MTAC-LORA-") == 0) {
         if (port.back() == '2') {
           spiPath = "/dev/spidev32765.2";
@@ -37,6 +44,7 @@ Device::Lora15Card::Lora15Card(Device& d, const std::string ProductId, const std
     ret = spiRead(MTAC_FPGA_ADDRESS, &fpgaVersion);
     if (ret != 0) {
         printf("Could not read FPGA version");
+        fpgaVersion = 255;
     }
 
     spiClose();
diff --git a/src/Device/Device.cpp b/src/Device/Device.cpp
index 129cb14..d367284 100644
--- a/src/Device/Device.cpp
+++ b/src/Device/Device.cpp
@@ -72,11 +72,11 @@ void Device::getSystemTreeJson(const char * dir_name) {
         exitHandler(99);
     }
     while (1) {
-        struct dirent * entry = readdir (d);        // Gets subsequent entries from "d"
-        if (!entry) {                               // If there are no more entries, exit
+        struct dirent * entry = readdir (d);        /* Gets subsequent entries from "d" */
+        if (!entry) {                               /* If there are no more entries, exit */
             break;
         }
-        const char * d_name = entry->d_name;        // Get file name
+        const char * d_name = entry->d_name;        /* Get file name */
         std::string fileData;
         if (!(entry->d_type & DT_DIR) && (MTS::System::readFile(fullPath + "/" + std::string(d_name), fileData) == 0)) {
             fileData = MTS::Text::trim(fileData);
@@ -90,7 +90,7 @@ void Device::getSystemTreeJson(const char * dir_name) {
                         accessoryCard.SetObject();
                         accessoryCard.AddMember("port", rapidjson::Value().SetString(dir_name, accessoryCardsAlloc), accessoryCardsAlloc);
                     }
-                    if (strcmp(d_name, "product-id") == 0) {    // Map additional details based on product id not found in mts-io dir
+                    if (strcmp(d_name, "product-id") == 0) { /* Map card specific details based on the product id */
                         if (regex_match(fileData, loraG16Filters)) {
                             Lora21Card lora21(*this, fileData, dir_name);
                         } else if (regex_match(fileData, loraG64Filters)) {
@@ -119,11 +119,11 @@ void Device::getSystemTreeJson(const char * dir_name) {
                 }
             }
         }
-        if (isValidDirectory(entry, fullPath, d_name)) { // Check that the directory is not "d" or d's parent.
-            getSystemTreeJson(d_name);  // Recursively call with the new path
+        if (isValidDirectory(entry, fullPath, d_name)) { /* Check that the directory is not "d" or d's parent */
+            getSystemTreeJson(d_name);  /* Recursively call with the new path */
         }
     }
-    if (closedir (d)) { // After going through all the entries, close the directory.
+    if (closedir (d)) { /* After going through all the entries, close the directory */
         logError("Could not close " + std::string(fullPath));
         exitHandler(errno);
     }
@@ -266,7 +266,7 @@ void Device::printJson() {
 }
 
 void Device::printVersion (std::string name) {
-    printf("%s %s\nCopyright (C) 2019 by Multi-Tech Systems\nThis program is free software; you may redistribute it under the terms of\nthe GNU General Public License version 2 or (at your option) any later version.\nThis program has absolutely no warranty.\n",name.c_str(), Version::version.c_str());
+    printf("%s %s\nCopyright (C) 2020 by Multi-Tech Systems\nThis program is free software; you may redistribute it under the terms of\nthe GNU General Public License version 2 or (at your option) any later version.\nThis program has absolutely no warranty.\n",name.c_str(), Version::version.c_str());
 }
 
 void Device::printUsage(std::string program) {
-- 
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