From 9650727ed22a05d31d88c35bbea98836621d64b2 Mon Sep 17 00:00:00 2001
From: Julien Peeters <contact@julienpeeters.net>
Date: Sun, 13 Nov 2016 22:15:24 +0100
Subject: [PATCH] library/boards/brain: add canbus declarations

---
 software/library/boards/board.build |  4 ++++
 software/library/boards/brain.c     | 22 ++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/software/library/boards/board.build b/software/library/boards/board.build
index 1dfdc3f..2a3da18 100644
--- a/software/library/boards/board.build
+++ b/software/library/boards/board.build
@@ -31,6 +31,10 @@
     CONFIG_DRIVER_I2C_BITBANG
   %end
 
+  %subsection canbus
+    CONFIG_DRIVER_STM32_CANBUS
+  %end
+
 %section bmaaa-pinky
   %inherit nrf51-xxac
 
diff --git a/software/library/boards/brain.c b/software/library/boards/brain.c
index 499dd97..52372a7 100644
--- a/software/library/boards/brain.c
+++ b/software/library/boards/brain.c
@@ -29,6 +29,7 @@
 #include <device/class/timer.h>
 #include <device/class/canbus.h>
 #include <device/class/i2c.h>
+#include <device/class/canbus.h>
 
 #include <arch/stm32/irq.h>
 #include <arch/stm32/mmap.h>
@@ -159,6 +160,27 @@ DEV_DECLARE_STATIC(i2c_dev, "i2c0", 0, i2c_bitbang_drv,
                    );
 #endif
 
+#if defined(CONFIG_DRIVER_STM32_CANBUS)
+/* CAN bus controller */
+DEV_DECLARE_STATIC(canbus_dev, "canbus1", 0, stm32_canbus_drv,
+    DEV_STATIC_RES_MEM(STM32_BXCAN_ADDR, STM32_BXCAN_ADDR + STM32_BXCAN_SIZE),
+
+    DEV_STATIC_RES_FREQ(36000000, 1),
+
+    DEV_STATIC_RES_DEV_ICU("/cpu"),
+    DEV_STATIC_RES_IRQ(0, STM32_IRQ_CAN1_RX0, DEV_IRQ_SENSE_HIGH_LEVEL, 0, 0x1),
+    DEV_STATIC_RES_IRQ(1, STM32_IRQ_CAN1_RX1, DEV_IRQ_SENSE_HIGH_LEVEL, 0, 0x1),
+    DEV_STATIC_RES_IRQ(2, STM32_IRQ_CAN1_TX,  DEV_IRQ_SENSE_HIGH_LEVEL, 0, 0x1),
+    DEV_STATIC_RES_IRQ(3, STM32_IRQ_CAN1_SCE, DEV_IRQ_SENSE_HIGH_LEVEL, 0, 0x1),
+
+    DEV_STATIC_RES_DEV_IOMUX("/gpio"),
+    DEV_STATIC_RES_IOMUX("rx", 0, STM32_PD0, 0, 0),
+    DEV_STATIC_RES_IOMUX("tx", 0, STM32_PD1, 0, 0),
+
+    DEV_STATIC_RES_CANBUS_INFO(500000 /* 500kbps */, 2 /* meters */)
+);
+#endif
+
 #include <hexo/endian.h>
 #include <hexo/iospace.h>
 #include <arch/stm32/f1/rcc.h>
-- 
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