Extern C blocks (#1352) (#4044)

* Add extern C guard blocks to SDK header files #1352

* fixed some extern C blocks in core and libraries

cores/esp8266/pgmspace.h

@@ -4,9 +4,6 @@
 #include <stdint.h>
 #include <stdio.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
 
 #ifdef __ets__
 
@@ -26,6 +23,10 @@ extern "C" {
 #endif // __ets__
 
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define _SFR_BYTE(n) (n)
 
 typedef void prog_void;

cores/esp8266/umm_malloc/umm_malloc_cfg.h

@@ -6,13 +6,13 @@
 #define _UMM_MALLOC_CFG_H
 
 #include <debug.h>
-#ifdef __cplusplus
-extern "C" {
-#endif
+//#ifdef __cplusplus
+//extern "C" {
+//#endif
 #include "c_types.h"
-#ifdef __cplusplus
-}
-#endif
+//#ifdef __cplusplus
+//}
+//#endif
 /*
  * There are a number of defines you can set at compile time that affect how
  * the memory allocator will operate.

libraries/GDBStub/src/internal/gdbstub-entry.h

@@ -19,7 +19,7 @@ int gdbstub_del_hw_watchpoint(int addr);
 extern void* gdbstub_do_break_breakpoint_addr;
 
 #ifdef __cplusplus
-{
+}
 #endif
 
-#endif
+#endif

tools/sdk/include/at_custom.h

@@ -27,6 +27,10 @@
 
 #include "c_types.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct
 {
   char *at_cmdName;
@@ -169,4 +173,8 @@ bool at_fake_uart_enable(bool enable,at_fake_uart_tx_func_type at_fake_uart_tx_f
   */
 bool at_set_escape_character(uint8 ch);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif

tools/sdk/include/espconn.h

@@ -25,6 +25,10 @@
 #ifndef __ESPCONN_H__
 #define __ESPCONN_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef sint8 err_t;
 
 typedef void *espconn_handle;
@@ -742,5 +746,13 @@ void espconn_dns_setserver(uint8 numdns, ip_addr_t *dnsserver);
  *  Returns     : dnsserver -- IP address of the DNS server to set
 *******************************************************************************/
 ip_addr_t espconn_dns_getserver(uint8 numdns);
+
+
+#ifdef __cplusplus
+}
 #endif
 
+#endif
+
+
+

tools/sdk/include/espnow.h

@@ -25,6 +25,11 @@
 #ifndef __ESPNOW_H__
 #define __ESPNOW_H__
 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 enum esp_now_role {
 	ESP_NOW_ROLE_IDLE = 0,
 	ESP_NOW_ROLE_CONTROLLER,
@@ -70,4 +75,8 @@ int esp_now_get_cnt_info(u8 *all_cnt, u8 *encrypt_cnt);
 
 int esp_now_set_kok(u8 *key, u8 len);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif

tools/sdk/include/ets_sys.h

@@ -29,6 +29,10 @@
 #include "eagle_soc.h"
 #include <stddef.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef uint32_t ETSSignal;
 typedef uint32_t ETSParam;
 
@@ -213,4 +217,8 @@ bool ets_task(ETSTask task, uint8 prio, ETSEvent *queue, uint8 qlen);
 bool ets_post(uint8 prio, ETSSignal sig, ETSParam par);
 
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _ETS_SYS_H */

tools/sdk/include/gpio.h

@@ -25,6 +25,10 @@
 #ifndef _GPIO_H_
 #define _GPIO_H_
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define GPIO_PIN_ADDR(i) (GPIO_PIN0_ADDRESS + i*4)
 
 #define GPIO_ID_IS_PIN_REGISTER(reg_id) \
@@ -116,4 +120,8 @@ void gpio_pin_wakeup_disable();
 
 void gpio_pin_intr_state_set(uint32 i, GPIO_INT_TYPE intr_state);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif // _GPIO_H_

tools/sdk/include/ip_addr.h

@@ -27,6 +27,10 @@
 
 #include "c_types.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct ip_addr {
     uint32 addr;
 };
@@ -84,4 +88,9 @@ uint32 ipaddr_addr(const char *cp);
 
 #define IPSTR "%d.%d.%d.%d"
 
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __IP_ADDR_H__ */

tools/sdk/include/mem.h

@@ -25,6 +25,10 @@
 #ifndef __MEM_H__
 #define __MEM_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Note: check_memleak_debug_enable is a weak function inside SDK.
  * please copy following codes to user_main.c.
 #include "mem.h"
@@ -77,5 +81,10 @@ do{\
 
 #endif
 
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 

tools/sdk/include/mesh.h

@@ -27,6 +27,7 @@
 #include "ip_addr.h"
 #include "user_interface.h"
 #include "espconn.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif

tools/sdk/include/osapi.h

@@ -28,6 +28,10 @@
 #include <string.h>
 #include "user_config.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define os_bzero ets_bzero
 #define os_delay_us ets_delay_us
 #define os_install_putc1 ets_install_putc1
@@ -77,5 +81,10 @@ extern int os_printf_plus(const char * format, ...) __attribute__ ((format (prin
 unsigned long os_random(void);
 int os_get_random(unsigned char *buf, size_t len);
 
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 

tools/sdk/include/ping.h

@@ -25,6 +25,9 @@
 #ifndef __PING_H__
 #define __PING_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 typedef void (* ping_recv_function)(void* arg, void *pdata);
 typedef void (* ping_sent_function)(void* arg, void *pdata);
@@ -53,4 +56,8 @@ bool ping_start(struct ping_option *ping_opt);
 bool ping_regist_recv(struct ping_option *ping_opt, ping_recv_function ping_recv);
 bool ping_regist_sent(struct ping_option *ping_opt, ping_sent_function ping_sent);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __PING_H__ */

tools/sdk/include/pwm.h

@@ -25,6 +25,10 @@
 #ifndef __PWM_H__
 #define __PWM_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*pwm.h: function and macro definition of PWM API , driver level */
 /*user_light.h: user interface for light API, user level*/
 /*user_light_adj: API for color changing and lighting effects, user level*/
@@ -54,5 +58,10 @@ uint32 pwm_get_period(void);
 uint32 get_pwm_version(void);
 void set_pwm_debug_en(uint8 print_en);
 
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 

tools/sdk/include/simple_pair.h

@@ -25,6 +25,10 @@
 #ifndef __SIMPLE_PAIR_H__
 #define __SIMPLE_PAIR_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef enum {
 	SP_ST_STA_FINISH = 0,
 	SP_ST_AP_FINISH = 0,
@@ -61,4 +65,8 @@ int simple_pair_set_peer_ref(u8 *peer_mac, u8 *tmp_key, u8 *ex_key);
 int simple_pair_get_peer_ref(u8 *peer_mac, u8 *tmp_key, u8 *ex_key);
 
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __SIMPLE_PAIR_H__ */

tools/sdk/include/smartconfig.h

@@ -25,6 +25,10 @@
 #ifndef __SMARTCONFIG_H__
 #define __SMARTCONFIG_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef enum {
     SC_STATUS_WAIT = 0,
     SC_STATUS_FIND_CHANNEL,
@@ -47,4 +51,9 @@ bool smartconfig_stop(void);
 bool esptouch_set_timeout(uint8 time_s); //15s~255s, offset:45s
 bool smartconfig_set_type(sc_type type);
 
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif

tools/sdk/include/sntp.h

@@ -7,6 +7,11 @@
 #else
 #include "ip_addr.h"
 #endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * get the seconds since Jan 01, 1970, 00:00 (GMT + 8)
  */
@@ -65,4 +70,9 @@ char *sntp_getservername(unsigned char idx);
 
 #define sntp_servermode_dhcp(x)
 
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif

tools/sdk/include/spi_flash.h

@@ -25,6 +25,10 @@
 #ifndef SPI_FLASH_H
 #define SPI_FLASH_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef enum {
     SPI_FLASH_RESULT_OK,
     SPI_FLASH_RESULT_ERR,
@@ -60,4 +64,9 @@ void spi_flash_set_read_func(user_spi_flash_read read);
 bool spi_flash_erase_protect_enable(void);
 bool spi_flash_erase_protect_disable(void);
 
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif

tools/sdk/include/upgrade.h

@@ -25,6 +25,11 @@
 #ifndef __UPGRADE_H__
 #define __UPGRADE_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 #define SPI_FLASH_SEC_SIZE      4096
 #define LIMIT_ERASE_SIZE		0x10000
 
@@ -71,4 +76,10 @@ bool system_upgrade_start_ssl(struct upgrade_server_info *server);	// not suppor
 #else
 bool system_upgrade_start(struct upgrade_server_info *server);
 #endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif

tools/sdk/include/user_interface.h

@@ -37,6 +37,10 @@
 #include "spi_flash.h"
 #include "gpio.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef MAC2STR
 #define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
 #define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
@@ -651,4 +655,9 @@ void wifi_disable_gpio_wakeup(void);
 
 void uart_div_modify(uint8 uart_no, uint32 DivLatchValue);
 
+#ifdef __cplusplus
+}
+#endif
+
+
 #endif

tools/sdk/include/wpa2_enterprise.h

@@ -25,6 +25,10 @@
 #ifndef __WPA2_ENTERPRISE_H__
 #define __WPA2_ENTERPRISE_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef long os_time_t;
 
 struct os_time {
@@ -62,4 +66,8 @@ bool  wifi_station_get_enterprise_disable_time_check(void);
 void  wpa2_enterprise_set_user_get_time(get_time_func_t cb);
 
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __WPA2_ENTERPRISE_H__ */