progress

OS/os/hal/ports/ARTERY/port_mpu_util.h

@@ -9,3 +9,5 @@ typedef enum {
 	BOR_Level_2 = 2,
 	BOR_Level_3 = 3
 } BOR_Level_t;
+
+#define PORT_SIZE 16

board.mk

@@ -2,3 +2,5 @@ DDEFS += -DFIRMWARE_ID=\"AT32F435\"
 DDEFS += -DSHORT_BOARD_NAME=AT32F435
 
 DDEFS += -DAT32F435VGT7
+
+HW_LAYER_EMS_CPP += $(ARTERY_CONTRIB)/../mpu_util.cpp

mpu_util.cpp

@@ -0,0 +1,32 @@
+/**
+ * @file	mpu_util.cpp
+ */
+
+#include "pch.h"
+
+void baseMCUInit(void) {
+}
+
+#define PORT_SIZE 16
+
+// copy-paste of stm32 method? reuse code?
+brain_pin_e parseBrainPin(const char *str) {
+	if (strEqual(str, "none"))
+		return Gpio::Unassigned;
+	// todo: create method toLowerCase?
+	if (str[0] != 'p' && str[0] != 'P') {
+		return Gpio::Invalid;
+	}
+	char port = str[1];
+	brain_pin_e basePin;
+	if (port >= 'a' && port <= 'z') {
+		basePin = Gpio::A0 + PORT_SIZE * (port - 'a');
+	} else if (port >= 'A' && port <= 'Z') {
+		basePin = Gpio::A0 + PORT_SIZE * (port - 'A');
+	} else {
+		return Gpio::Invalid;
+	}
+	const char *pinStr = str + 2;
+	int pin = atoi(pinStr);
+	return (brain_pin_e)(basePin + pin);
+}