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+/*
+ ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+/*
+ * Setup for a Generic STM32F103 board.
+ */
+
+/*
+ * Board identifier.
+ */
+#define BOARD_GENERIC_STM32_F103
+#define BOARD_NAME "Generic STM32F103x board"
+
+/*
+ * Board frequencies.
+ */
+#define STM32_LSECLK 32768
+#define STM32_HSECLK 8000000
+
+/*
+ * MCU type, supported types are defined in ./os/hal/platforms/hal_lld.h.
+ */
+#define STM32F103xB
+
+/*
+ * IO pins assignments
+ */
+
+/* on-board */
+
+#define GPIOA_LED 8
+#define GPIOD_OSC_IN 0
+#define GPIOD_OSC_OUT 1
+
+/* In case your board has a "USB enable" hardware
+ controlled by a pin, define it here. (It could be just
+ a 1.5k resistor connected to D+ line.)
+*/
+/*
+#define GPIOB_USB_DISC 10
+*/
+
+/*
+ * I/O ports initial setup, this configuration is established soon after reset
+ * in the initialization code.
+ *
+ * The digits have the following meaning:
+ * 0 - Analog input.
+ * 1 - Push Pull output 10MHz.
+ * 2 - Push Pull output 2MHz.
+ * 3 - Push Pull output 50MHz.
+ * 4 - Digital input.
+ * 5 - Open Drain output 10MHz.
+ * 6 - Open Drain output 2MHz.
+ * 7 - Open Drain output 50MHz.
+ * 8 - Digital input with PullUp or PullDown resistor depending on ODR.
+ * 9 - Alternate Push Pull output 10MHz.
+ * A - Alternate Push Pull output 2MHz.
+ * B - Alternate Push Pull output 50MHz.
+ * C - Reserved.
+ * D - Alternate Open Drain output 10MHz.
+ * E - Alternate Open Drain output 2MHz.
+ * F - Alternate Open Drain output 50MHz.
+ * Please refer to the STM32 Reference Manual for details.
+ */
+
+/*
+ * Port A setup.
+ * Everything input with pull-up except:
+ * PA2 - Alternate output (USART2 TX).
+ * PA3 - Normal input (USART2 RX).
+ * PA9 - Alternate output (USART1 TX).
+ * PA10 - Normal input (USART1 RX).
+ */
+#define VAL_GPIOACRL 0x88884B88 /* PA7...PA0 */
+#define VAL_GPIOACRH 0x888884B8 /* PA15...PA8 */
+#define VAL_GPIOAODR 0xFFFFFFFF
+
+/*
+ * Port B setup.
+ * Everything input with pull-up except:
+ * PB10 - Push Pull output (USB switch).
+ */
+#define VAL_GPIOBCRL 0x88888888 /* PB7...PB0 */
+#define VAL_GPIOBCRH 0x88888388 /* PB15...PB8 */
+#define VAL_GPIOBODR 0xFFFFFFFF
+
+/*
+ * Port C setup.
+ * Everything input with pull-up except:
+ * PC13 - Push Pull output (LED).
+ */
+#define VAL_GPIOCCRL 0x88888888 /* PC7...PC0 */
+#define VAL_GPIOCCRH 0x88388888 /* PC15...PC8 */
+#define VAL_GPIOCODR 0xFFFFFFFF
+
+/*
+ * Port D setup.
+ * Everything input with pull-up except:
+ * PD0 - Normal input (XTAL).
+ * PD1 - Normal input (XTAL).
+ */
+#define VAL_GPIODCRL 0x88888844 /* PD7...PD0 */
+#define VAL_GPIODCRH 0x88888888 /* PD15...PD8 */
+#define VAL_GPIODODR 0xFFFFFFFF
+
+/*
+ * Port E setup.
+ * Everything input with pull-up except:
+ */
+#define VAL_GPIOECRL 0x88888888 /* PE7...PE0 */
+#define VAL_GPIOECRH 0x88888888 /* PE15...PE8 */
+#define VAL_GPIOEODR 0xFFFFFFFF
+
+/*
+ * USB bus activation macro, required by the USB driver.
+ */
+/* The point is that most of the generic STM32F103* boards
+ have a 1.5k resistor connected on one end to the D+ line
+ and on the other end to some pin. Or even a slightly more
+ complicated "USB enable" circuit, controlled by a pin.
+ That should go here.
+
+ However on some boards (e.g. one that I have), there's no
+ such hardware. In which case it's better to not do anything.
+*/
+/*
+#define usb_lld_connect_bus(usbp) palClearPad(GPIOB, GPIOB_USB_DISC)
+*/
+#define usb_lld_connect_bus(usbp) palSetPadMode(GPIOA, 12, PAL_MODE_INPUT);
+
+/*
+ * USB bus de-activation macro, required by the USB driver.
+ */
+/*
+#define usb_lld_disconnect_bus(usbp) palSetPad(GPIOB, GPIOB_USB_DISC)
+*/
+#define usb_lld_disconnect_bus(usbp) palSetPadMode(GPIOA, 12, PAL_MODE_OUTPUT_PUSHPULL); palClearPad(GPIOA, 12);
+
+#if !defined(_FROM_ASM_)
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void boardInit(void);
+#ifdef __cplusplus
+}
+#endif
+#endif /* _FROM_ASM_ */
+
+#endif /* _BOARD_H_ */