tests/conn_can: build stm32 CAN drivers

Build can_stm32 module on boards which have a stm32 CAN controller.

cpu/stm32_common/include/can_params.h

@@ -17,8 +17,8 @@
  * @}
  */
 
-#ifndef CANDEV_STM32_PARAMS_H
-#define CANDEV_STM32_PARAMS_H
+#ifndef CAN_PARAMS_H
+#define CAN_PARAMS_H
 
 #include "can/device.h"
 #include "periph/can.h"
@@ -135,4 +135,4 @@ static const candev_params_t candev_params[] = {
 }
 #endif
 
-#endif /* CANDEV_STM32_PARAMS_H */
+#endif /* CAN_PARAMS_H */

cpu/stm32_common/include/candev_stm32.h

@@ -45,6 +45,10 @@ extern "C" {
 #error "CAN STM32: CPU not supported"
 #endif
 
+/**
+ * @name    ISR functions
+ * @{
+ */
 #if defined(CPU_FAM_STM32F1)
 #define ISR_CAN1_TX     isr_usb_hp_can1_tx
 #define ISR_CAN1_RX0    isr_usb_lp_can1_rx0
@@ -64,6 +68,7 @@ extern "C" {
 #define ISR_CAN3_RX1    isr_can3_rx1
 #define ISR_CAN3_SCE    isr_can3_sce
 #endif
+/** @} */
 
 #if CANDEV_STM32_CHAN_NUMOF > 1 || DOXYGEN
 /** The maximum number of filters: 28 for dual channel, 14 for single channel */
@@ -119,6 +124,7 @@ typedef struct {
     uint8_t lbkm : 1;                   /**< Loopback mode */
     uint8_t silm : 1;                   /**< Silent mode */
 } can_conf_t;
+/** can_conf_t is re-defined */
 #define HAVE_CAN_CONF_T
 
 /** The number of transmit mailboxes */
@@ -134,6 +140,7 @@ typedef struct {
 
 /** bxCAN candev descriptor */
 typedef struct can can_t;
+/** can_t is re-defined */
 #define HAVE_CAN_T
 
 /** This structure holds anything related to the receive part */

drivers/include/periph/can.h

@@ -32,6 +32,10 @@
 #include "periph_cpu.h"
 #include "can/candev.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef HAVE_CAN_T
 /**
  * @brief   CAN device descriptor identifier
@@ -43,7 +47,7 @@ typedef candev_t can_t;
 /**
  * @brief   CAN configuration identifier
  */
-typedef void can_conf_t;
+typedef int can_conf_t;
 #endif
 
 /**
@@ -54,4 +58,9 @@ typedef void can_conf_t;
  */
 void can_init(can_t *dev, const can_conf_t *conf);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* PERIPH_CAN_H */
+/** @} */

sys/auto_init/can/auto_init_periph_can.c

@@ -7,7 +7,7 @@
  */
 
 /**
- * @ingroup auto_init
+ * @ingroup     sys_auto_init
  * @{
  * @file
  * @brief       initializes periph_can devices

tests/conn_can/Makefile

@@ -9,8 +9,6 @@ BOARD_INSUFFICIENT_MEMORY := arduino-duemilanove arduino-mega2560 arduino-nano \
                              saml11-xpro stm32f0discovery telosb waspmote-pro \
                              wsn430-v1_3b wsn430-v1_4 z1
 
-CFLAGS += -DLOG_LEVEL=LOG_ALL
-
 USEMODULE += shell
 USEMODULE += shell_commands
 USEMODULE += ps
@@ -21,4 +19,7 @@ USEMODULE += conn_can_isotp_multi
 USEMODULE += can_pm
 USEMODULE += can_trx
 
+FEATURES_REQUIRED += periph_can
+FEATURES_REQUIRED += periph_gpio_irq
+
 include $(RIOTBASE)/Makefile.include