Release 260111

panda/board/stm32f4/llbxcan_declarations.h

@@ -0,0 +1,28 @@
+#pragma once
+
+// SAE 2284-3 : minimum 16 tq, SJW 3, sample point at 81.3%
+#define CAN_QUANTA 16U
+#define CAN_SEQ1 12U
+#define CAN_SEQ2 3U
+#define CAN_SJW  3U
+
+#define CAN_PCLK 48000U
+// 333 = 33.3 kbps
+// 5000 = 500 kbps
+#define can_speed_to_prescaler(x) (CAN_PCLK / CAN_QUANTA * 10U / (x))
+
+#define CAN_NAME_FROM_CANIF(CAN_DEV) (((CAN_DEV)==CAN1) ? "CAN1" : (((CAN_DEV) == CAN2) ? "CAN2" : "CAN3"))
+
+void print(const char *a);
+
+// kbps multiplied by 10
+#define SPEEDS_ARRAY_SIZE 8
+extern const uint32_t speeds[SPEEDS_ARRAY_SIZE];
+#define DATA_SPEEDS_ARRAY_SIZE 1
+extern const uint32_t data_speeds[DATA_SPEEDS_ARRAY_SIZE]; // No separate data speed, dummy
+
+bool llcan_set_speed(CAN_TypeDef *CANx, uint32_t speed, bool loopback, bool silent);
+void llcan_irq_disable(const CAN_TypeDef *CANx);
+void llcan_irq_enable(const CAN_TypeDef *CANx);
+bool llcan_init(CAN_TypeDef *CANx);
+void llcan_clear_send(CAN_TypeDef *CANx);