fix(struct_h): add extern "C" protection to *_struct.h header files.

components/soc/esp32/include/soc/apb_ctrl_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_APB_CTRL_STRUCT_H_
 #define _SOC_APB_CTRL_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct {
     union {
         struct {
@@ -117,4 +122,9 @@ typedef struct {
     volatile uint32_t date;                                      /**/
 } apb_ctrl_dev_t;
 
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_APB_CTRL_STRUCT_H_ */

components/soc/esp32/include/soc/gpio_sd_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_GPIO_SD_STRUCT_H_
 #define _SOC_GPIO_SD_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     union {
         struct {
@@ -45,4 +50,9 @@ typedef volatile struct {
     } version;
 } gpio_sd_dev_t;
 extern gpio_sd_dev_t SIGMADELTA;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_GPIO_SD_STRUCT_H_ */

components/soc/esp32/include/soc/gpio_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_GPIO_STRUCT_H_
 #define _SOC_GPIO_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     uint32_t bt_select;                             /*NA*/
     uint32_t out;                                   /*GPIO0~31 output value*/
@@ -201,4 +206,9 @@ typedef volatile struct {
     } func_out_sel_cfg[40];
 } gpio_dev_t;
 extern gpio_dev_t GPIO;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_GPIO_STRUCT_H_ */

components/soc/esp32/include/soc/i2c_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_I2C_STRUCT_H_
 #define _SOC_I2C_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     union {
         struct {
@@ -286,4 +291,9 @@ typedef volatile struct {
 } i2c_dev_t;
 extern i2c_dev_t I2C0;
 extern i2c_dev_t I2C1;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_I2C_STRUCT_H_ */

components/soc/esp32/include/soc/i2s_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_I2S_STRUCT_H_
 #define _SOC_I2S_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     uint32_t reserved_0;
     uint32_t reserved_4;
@@ -458,4 +463,8 @@ typedef volatile struct {
 extern i2s_dev_t I2S0;
 extern i2s_dev_t I2S1;
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_I2S_STRUCT_H_ */

components/soc/esp32/include/soc/ledc_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_LEDC_STRUCT_H_
 #define _SOC_LEDC_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     struct {
         struct {
@@ -243,4 +248,9 @@ typedef volatile struct {
     uint32_t date;                                     /*This register represents the version .*/
 } ledc_dev_t;
 extern ledc_dev_t LEDC;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_LEDC_STRUCT_H_ */

components/soc/esp32/include/soc/mcpwm_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_MCPWM_STRUCT_H__
 #define _SOC_MCPWM_STRUCT_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     union {
         struct {
@@ -449,4 +454,9 @@ typedef volatile struct {
 } mcpwm_dev_t;
 extern mcpwm_dev_t MCPWM0;
 extern mcpwm_dev_t MCPWM1;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_MCPWM_STRUCT_H__ */

components/soc/esp32/include/soc/pcnt_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_PCNT_STRUCT_H_
 #define _SOC_PCNT_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     struct{
         union {
@@ -169,4 +174,9 @@ typedef volatile struct {
     uint32_t date;                                  /**/
 } pcnt_dev_t;
 extern pcnt_dev_t PCNT;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_PCNT_STRUCT_H_ */

components/soc/esp32/include/soc/rmt_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_RMT_STRUCT_H_
 #define _SOC_RMT_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     uint32_t data_ch[8];                                /*The R/W ram address for channel0-7 by apb fifo access.*/
     struct{
@@ -259,4 +264,8 @@ typedef volatile struct {
 } rmt_mem_t;
 extern rmt_mem_t RMTMEM;
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_RMT_STRUCT_H_ */

components/soc/esp32/include/soc/rtc_cntl_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_RTC_CNTL_STRUCT_H_
 #define _SOC_RTC_CNTL_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     union {
         struct {
@@ -551,4 +556,9 @@ typedef volatile struct {
     } date;
 } rtc_cntl_dev_t;
 extern rtc_cntl_dev_t RTCCNTL;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_RTC_CNTL_STRUCT_H_ */

components/soc/esp32/include/soc/rtc_io_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_RTC_IO_STRUCT_H_
 #define _SOC_RTC_IO_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     union {
         struct {
@@ -278,4 +283,9 @@ typedef volatile struct {
     } date;
 } rtc_io_dev_t;
 extern rtc_io_dev_t RTCIO;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_RTC_IO_STRUCT_H_ */

components/soc/esp32/include/soc/sdmmc_struct.h

@@ -16,6 +16,10 @@
 
 #include <stdint.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct {
     uint32_t reserved1: 1;
     uint32_t disable_int_on_completion: 1;
@@ -366,6 +370,8 @@ extern sdmmc_dev_t SDMMC;
 
 _Static_assert(sizeof(sdmmc_dev_t) == 0x804, "invalid size of sdmmc_dev_t structure");
 
-
+#ifdef __cplusplus
+}
+#endif
 
 #endif //_SOC_SDMMC_STRUCT_H_

components/soc/esp32/include/soc/sens_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_SENS_STRUCT_H_
 #define _SOC_SENS_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     union {
         struct {
@@ -313,4 +318,9 @@ typedef volatile struct {
     } sardate;
 } sens_dev_t;
 extern sens_dev_t SENS;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_SENS_STRUCT_H_ */

components/soc/esp32/include/soc/spi_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_SPI_STRUCT_H_
 #define _SOC_SPI_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     union {
         struct {
@@ -673,4 +678,9 @@ extern spi_dev_t SPI0;                                      /* SPI0 IS FOR INTER
 extern spi_dev_t SPI1;
 extern spi_dev_t SPI2;
 extern spi_dev_t SPI3;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_SPI_STRUCT_H_ */

components/soc/esp32/include/soc/syscon_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_SYSCON_STRUCT_H_
 #define _SOC_SYSCON_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct {
     union {
         struct {
@@ -117,4 +122,8 @@ typedef struct {
     volatile uint32_t date;                                      /**/
 } syscon_dev_t;
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_SYSCON_STRUCT_H_ */

components/soc/esp32/include/soc/timer_group_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_TIMG_STRUCT_H_
 #define _SOC_TIMG_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     struct{
         union {
@@ -192,4 +197,9 @@ typedef volatile struct {
 } timg_dev_t;
 extern timg_dev_t TIMERG0;
 extern timg_dev_t TIMERG1;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_TIMG_STRUCT_H_ */

components/soc/esp32/include/soc/uart_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_UART_STRUCT_H_
 #define _SOC_UART_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     union {
         struct {
@@ -362,4 +367,9 @@ typedef volatile struct {
 extern uart_dev_t UART0;
 extern uart_dev_t UART1;
 extern uart_dev_t UART2;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_UART_STRUCT_H_ */

components/soc/esp32/include/soc/uhci_struct.h

@@ -13,6 +13,11 @@
 // limitations under the License.
 #ifndef _SOC_UHCI_STRUCT_H_
 #define _SOC_UHCI_STRUCT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef volatile struct {
     union {
         struct {
@@ -334,4 +339,9 @@ typedef volatile struct {
 } uhci_dev_t;
 extern uhci_dev_t UHCI0;
 extern uhci_dev_t UHCI1;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* _SOC_UHCI_STRUCT_H_ */