stm32f072-nucleo: Initial target support.

Debug LED and uart works.

project/nucleo-f072rb.mk

@@ -0,0 +1,6 @@
+MODULES += \
+	app/tests \
+	app/shell \
+	lib/debugcommands
+
+include project/target/nucleo-f072rb.mk

project/target/nucleo-f072rb.mk

@@ -0,0 +1,3 @@
+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+TARGET := nucleo-f072rb

target/nucleo-f072rb/include/target/debugconfig.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2012 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef __TARGET_DEBUGCONFIG_H
+#define __TARGET_DEBUGCONFIG_H
+
+#define DEBUG_UART 2
+
+#endif

target/nucleo-f072rb/include/target/gpioconfig.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2012 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef __TARGET_GPIOCONFIG_H
+#define __TARGET_GPIOCONFIG_H
+
+#include <platform/gpio.h>
+
+#define GPIO_LED0 GPIO(GPIO_PORT_A, 5)
+
+#endif

target/nucleo-f072rb/init.c

@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2012 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <err.h>
+#include <debug.h>
+#include <target.h>
+#include <compiler.h>
+#include <dev/gpio.h>
+#include <platform/gpio.h>
+#include <stm32f0xx_usart.h>
+#include <stm32f0xx_rcc.h>
+#include <stm32f0xx_gpio.h>
+#include <stm32f0xx_flash.h>
+#include <stm32f0xx_dbgmcu.h>
+#include <platform/stm32.h>
+#include <target/gpioconfig.h>
+
+void target_early_init(void)
+{
+	/* configure the usart2 pins */
+	gpio_config(GPIO(GPIO_PORT_A, 2), GPIO_STM32_AF | GPIO_STM32_AFn(1));
+	gpio_config(GPIO(GPIO_PORT_A, 3), GPIO_STM32_AF | GPIO_STM32_AFn(1));
+
+	stm32_debug_early_init();
+
+	/* configure some status leds */
+	gpio_set(GPIO_LED0, 1);
+	gpio_config(GPIO_LED0, GPIO_OUTPUT);
+
+#if 0
+	gpio_config(GPIO(GPIO_PORT_A, 2), GPIO_OUTPUT);
+	gpio_config(GPIO(GPIO_PORT_A, 3), GPIO_OUTPUT);
+        bool on = false;
+        while(true) {
+            on = !on;
+            gpio_set(GPIO(GPIO_PORT_A, 2), on);
+            gpio_set(GPIO(GPIO_PORT_A, 3), on);
+            gpio_set(GPIO_LED0, on);
+            int i;
+            for (i = 0; i<800000; i++) {}
+        }
+#endif
+}
+
+void target_init(void)
+{
+	stm32_debug_init();
+}
+
+void target_set_debug_led(unsigned int led, bool on)
+{
+	switch (led) {
+		case 0:
+		        gpio_set(GPIO_LED0, on);
+			break;
+	}
+}
+

target/nucleo-f072rb/rules.mk

@@ -0,0 +1,21 @@
+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+MODULE := $(LOCAL_DIR)
+
+STM32_CHIP := stm32f072_xB
+
+PLATFORM := stm32f0xx
+
+GLOBAL_DEFINES += \
+	ENABLE_UART2=1 \
+	TARGET_HAS_DEBUG_LED=1 \
+	HSE_VALUE=8000000 \
+	PLL_M_VALUE=8 \
+	PLL_N_VALUE=336 \
+	PLL_P_VALUE=2
+
+MODULE_SRCS += \
+	$(LOCAL_DIR)/init.c
+
+include make/module.mk
+