stm32:rng: add common v1 to l0,l4,f7

This is a common peripheral based on reference manual inspection.

include/libopencm3/stm32/f7/rng.h

@@ -0,0 +1,23 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBOPENCM3_RNG_H
+#define LIBOPENCM3_RNG_H
+
+#include <libopencm3/stm32/common/rng_common_v1.h>
+
+#endif

include/libopencm3/stm32/l0/rng.h

@@ -0,0 +1,23 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBOPENCM3_RNG_H
+#define LIBOPENCM3_RNG_H
+
+#include <libopencm3/stm32/common/rng_common_v1.h>
+
+#endif

include/libopencm3/stm32/l4/rng.h

@@ -0,0 +1,23 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBOPENCM3_RNG_H
+#define LIBOPENCM3_RNG_H
+
+#include <libopencm3/stm32/common/rng_common_v1.h>
+
+#endif

include/libopencm3/stm32/rng.h

@@ -24,6 +24,12 @@
 #       include <libopencm3/stm32/f2/rng.h>
 #elif defined(STM32F4)
 #       include <libopencm3/stm32/f4/rng.h>
+#elif defined(STM32F7)
+#       include <libopencm3/stm32/f7/rng.h>
+#elif defined(STM32L0)
+#       include <libopencm3/stm32/l0/rng.h>
+#elif defined(STM32L4)
+#       include <libopencm3/stm32/l4/rng.h>
 #else
 #       error "stm32 family not defined."
 #endif

lib/stm32/f7/Makefile

@@ -42,6 +42,8 @@ ARFLAGS		= rcs
 
 OBJS		= gpio.o gpio_common_all.o gpio_common_f0234.o
 
+OBJS		+= rng_common_v1.o
+
 VPATH += ../../usb:../:../../cm3:../common
 VPATH += ../../ethernet
 

lib/stm32/l0/Makefile

@@ -43,6 +43,7 @@ OBJS            += gpio_common_all.o gpio_common_f0234.o rcc_common_all.o
 OBJS		+= adc_common_v2.o
 OBJS		+= crs_common_all.o
 OBJS		+= exti_common_all.o
+OBJS		+= rng_common_v1.o
 
 OBJS            += usb.o usb_control.o usb_standard.o
 OBJS            += st_usbfs_core.o st_usbfs_v2.o

lib/stm32/l0/rng.c

@@ -0,0 +1,31 @@
+/* This file is used for documentation purposes. It does not need
+to be compiled. All source code is in the common area.
+If there is any device specific code required it can be included here,
+in which case this file must be added to the compile list. */
+
+/** @defgroup rng_file RNG
+
+@ingroup STM32L0xx
+
+@brief <b>libopencm3 STM32L0xx RNG</b>
+
+*/
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/rng.h>

lib/stm32/l4/Makefile

@@ -43,6 +43,7 @@ OBJS		= adc.o flash.o pwr.o rcc.o
 OBJS            += rcc_common_all.o
 OBJS            += gpio_common_all.o gpio_common_f0234.o
 OBJS            += adc_common_v2.o adc_common_v2_multi.o
+OBJS            += rng_common_v1.o
 OBJS            += timer_common_all.o
 
 VPATH += ../../usb:../:../../cm3:../common