started on centralized printing/logging

some character problems with "atmosphère" and such strings

fusee/fusee-secondary/src/main.c

@@ -32,6 +32,7 @@
 #include "gpt.h"
 #include "display/video_fb.h"
 #include "sdmmc/sdmmc.h"
+#include "print.h"
 
 extern void (*__program_exit_callback)(int rc);
 
@@ -91,23 +92,23 @@ int main(int argc, void **argv) {
     /* Initialize the display, console, FS, etc. */
     setup_env();
 
-    printf(u8"Welcome to Atmosphère Fusée Stage 2!\n");
+    print(PRINT_LOG_MANDATORY, u8"Welcome to Atmosphère Fusée Stage 2!\n");
-    printf("Stage 2 executing from: %s\n", (const char *)argv[STAGE2_ARGV_PROGRAM_PATH]);
+    print(PRINT_LOG_DEBUG, "Stage 2 executing from: %s\n", (const char *)argv[STAGE2_ARGV_PROGRAM_PATH]);
 
     /* This will load all remaining binaries off of the SD. */
     load_payload(g_stage2_args->bct0);
 
-    printf("Loaded payloads!\n");
+    print(PRINT_LOG_INFO, "Loaded payloads!\n");
 
     g_do_nxboot = loader_ctx->chainload_entrypoint == 0;
     if (g_do_nxboot) {
-        printf("Now performing nxboot.\n");
+        print(PRINT_LOG_INFO, "Now performing nxboot.\n");
         uint32_t boot_memaddr = nxboot_main();
         nxboot_finish(boot_memaddr);
     } else {
         /* TODO: What else do we want to do in terms of argc/argv? */
         const char *path = get_loader_ctx()->file_paths_to_load[get_loader_ctx()->file_id_of_entrypoint];
-        printf("Now chainloading.\n");
+        print(PRINT_LOG_INFO, "Now chainloading.\n");
         g_chainloader_argc = 1;
         strcpy(g_chainloader_arg_data, path);
     }

fusee/fusee-secondary/src/print.c

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2018 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "print.h"
+
+#include "display/video_fb.h"
+
+PrintLogLevel g_print_log_level = PRINT_LOG_DEBUG;
+
+void vprintk(const char *fmt, va_list args)
+{
+    char buf[PRINT_MESSAGE_MAX_LENGTH];
+    vsnprintf(buf, PRINT_MESSAGE_MAX_LENGTH, fmt, args);
+    video_puts(buf);
+}
+
+void printk(const char *fmt, ...)
+{
+    va_list list;
+    va_start(list, fmt);
+    vprintk(fmt, list);
+    va_end(list);
+}
+
+/**
+ * print - logs a message based on its message_level
+ * 
+ * If the level is below g_message_level it will not be shown
+ * but logged to UART (UART is TO DO) 
+ */
+void print(PrintLogLevel printLogLevel, const char * fmt, ...)
+{
+    char typebuf[] = "[%s] %s";
+    char buf[PRINT_MESSAGE_MAX_LENGTH] = {};
+
+    /* apply prefix and append message format */
+    /* TODO: add coloring to the output */
+    switch(printLogLevel)
+    {
+    case PRINT_LOG_DEBUG:
+        snprintf(buf, PRINT_MESSAGE_MAX_LENGTH, typebuf, "DEBUG", fmt);
+        break;
+    case PRINT_LOG_INFO:
+        snprintf(buf, PRINT_MESSAGE_MAX_LENGTH, typebuf, "INFO", fmt);
+        break;
+    case PRINT_LOG_MANDATORY:
+         snprintf(buf, PRINT_MESSAGE_MAX_LENGTH, "%s", fmt);
+         break;
+    case PRINT_LOG_WARNING:
+        snprintf(buf, PRINT_MESSAGE_MAX_LENGTH, typebuf, "WARNING", fmt);
+        break;
+    case PRINT_LOG_ERROR:
+        snprintf(buf, PRINT_MESSAGE_MAX_LENGTH, typebuf, "ERROR", fmt);
+        break;
+    default:
+        break;
+    }
+
+    /* input arguments for UART logging */
+    va_list args;
+    va_start(args, fmt);
+    vsnprintf(buf, PRINT_MESSAGE_MAX_LENGTH, buf, args);
+    va_end(args);
+
+    /* TODO: implement SD and/or UART logging */
+
+    /* don't print to screen if below log level */
+    if (printLogLevel < g_print_log_level) return;
+
+    printk(buf);
+}

fusee/fusee-secondary/src/print.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2018 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef FUSEE_PRINT_H
+#define FUSEE_PRINT_H
+
+#define PRINT_MESSAGE_MAX_LENGTH      512
+
+typedef enum {
+    PRINT_LOG_DEBUG = 0,
+    PRINT_LOG_INFO,
+    PRINT_LOG_MANDATORY,
+    PRINT_LOG_WARNING,
+    PRINT_LOG_ERROR
+} PrintLogLevel;
+
+#include <stdint.h>
+#include "../../fusee-primary/src/lib/vsprintf.h"
+
+extern PrintLogLevel g_print_log_level;
+
+//void vprintk(const char *fmt, va_list args);
+void print(PrintLogLevel printLogLevel, const char* fmt, ...);
+
+#endif

fusee/fusee-secondary/src/sdmmc/sdmmc_core.c

@@ -31,6 +31,7 @@
 #include "../pmc.h"
 #include "../max7762x.h"
 #include "../lib/driver_utils.h"
+#include "../print.h"
 
 static SdmmcLogLevel g_sdmmc_log_level = SDMMC_LOG_NONE;
 
@@ -46,21 +47,21 @@ static void sdmmc_print(sdmmc_t *sdmmc, SdmmcLogLevel log_level, char *fmt, va_l
     
     switch (log_level) {
         case SDMMC_LOG_ERROR:
-            printk("%s [ERROR]: ", sdmmc->name);
+            print(PRINT_LOG_ERROR, "%s", sdmmc->name);
             break;
         case SDMMC_LOG_WARN:
-            printk("%s [WARN]: ", sdmmc->name);
+            print(PRINT_LOG_WARNING, "%s", sdmmc->name);
             break;
         case SDMMC_LOG_INFO:
-            printk("%s [INFO]: ", sdmmc->name);
+            print(PRINT_LOG_INFO, "%s", sdmmc->name);
             break;
         case SDMMC_LOG_DEBUG:
-            printk("%s [DEBUG]: ", sdmmc->name);
+            print(PRINT_LOG_DEBUG, "%s", sdmmc->name);
             break;
         default:
             break;
     }
-    
+
     vprintk(fmt, list);
     printk("\n");
 }