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common/io_lib/src/iot_printf.c

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+/****************************************************************************
+
+Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
+
+This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
+be copied by any method or incorporated into another program without
+the express written consent of Aerospace C.Power. This Information or any portion
+thereof remains the property of Aerospace C.Power. The Information contained herein
+is believed to be accurate and Aerospace C.Power assumes no responsibility or
+liability for its use in any way and conveys no license or title under
+any patent or copyright and makes no representation or warranty that this
+Information is free from patent or copyright infringement.
+
+****************************************************************************/
+/* os shim includes */
+#include "os_types.h"
+#include "iot_config.h"
+#include "strformat.h"
+#include "os_lock.h"
+
+
+uint8_t     g_print_enable = 0;
+uint8_t     g_app_print_enable = 1;
+
+os_mutex_h  g_prt_log_mutex = NULL;
+
+static StrFormatResult write_str(void *user_data,
+    const char *data, unsigned int len)
+{
+    return STRFORMAT_OK;
+}
+
+str_format_context log_ctxt = {
+    write_str,
+    NULL,
+    NULL,
+};
+
+#if IOT_PRINTF_DEBUG
+int32_t iot_printf(const char *fmt, ...)
+{
+    int res;
+    va_list ap;
+
+    if(g_print_enable == 0)
+        return 0;
+
+    if (g_prt_log_mutex != NULL) {
+        os_acquire_mutex(g_prt_log_mutex);
+    }
+
+    va_start(ap, fmt);
+    res = format_str_v(&log_ctxt, fmt, ap);
+    va_end(ap);
+
+    if (g_prt_log_mutex != NULL) {
+        os_release_mutex(g_prt_log_mutex);
+    }
+
+    return res;
+}
+#endif
+
+
+int32_t iot_cus_printf(const char *fmt, ...)
+{
+    int res;
+    va_list ap;
+
+    if(g_app_print_enable == 0)
+        return 0;
+
+    if (g_prt_log_mutex != NULL) {
+        os_acquire_mutex(g_prt_log_mutex);
+    }
+
+    va_start(ap, fmt);
+    res = format_str_v(&log_ctxt, fmt, ap);
+    va_end(ap);
+
+    if (g_prt_log_mutex != NULL) {
+        os_release_mutex(g_prt_log_mutex);
+    }
+
+    return res;
+}
+
+
+int32_t __iot_printf(uint8_t dummy, ...)
+{
+    (void)dummy;
+    return 0;
+}
+
+void iot_print_config(bool_t enable)
+{
+    g_print_enable = enable;
+}
+
+void iot_cus_print_config(bool_t enable)
+{
+    g_app_print_enable = enable;
+
+    /* enable cus print */
+    if (log_ctxt.enable_str != NULL) {
+        log_ctxt.enable_str(enable);
+    }
+}
+