aboutsummaryrefslogtreecommitdiff
path: root/lib/stm32
diff options
context:
space:
mode:
authorchrysn2012-10-18 13:20:56 +0200
committerchrysn2012-10-18 13:22:12 +0200
commit9c13299f25c617974e7851283b51fbb0307d3e1c (patch)
treeaeb8c1acaef0e5599e0f714b30f751e4fa4a2bd4 /lib/stm32
parenta8a6eb39e9dfa25a9934298c6321b912337c0621 (diff)
unified nvic.c
Diffstat (limited to 'lib/stm32')
-rw-r--r--lib/stm32/nvic.c174
1 files changed, 0 insertions, 174 deletions
diff --git a/lib/stm32/nvic.c b/lib/stm32/nvic.c
deleted file mode 100644
index 84fa674..0000000
--- a/lib/stm32/nvic.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/** @defgroup STM32F_nvic_file NVIC
-
-@ingroup STM32F_files
-
-@brief <b>libopencm3 STM32F Nested Vectored Interrupt Controller</b>
-
-@version 1.0.0
-
-@author @htmlonly &copy; @endhtmlonly 2010 Thomas Otto <tommi@viadmin.org>
-@author @htmlonly &copy; @endhtmlonly 2012 Fergus Noble <fergusnoble@gmail.com>
-
-@date 18 August 2012
-
-The STM32F series provides up to 68 maskable user interrupts for the STM32F10x
-series, and 87 for the STM32F2xx and STM32F4xx series.
-
-The NVIC registers are defined by the ARM standards but the STM32F series have some
-additional limitations
-@see Cortex-M3 Devices Generic User Guide
-@see STM32F10xxx Cortex-M3 programming manual
-
-LGPL License Terms @ref lgpl_license
-*/
-/*
- * This file is part of the libopencm3 project.
- *
- * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
- * Copyright (C) 2012 Fergus Noble <fergusnoble@gmail.com>
- *
- * 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/nvic.h>
-
-/*-----------------------------------------------------------------------------*/
-/** @brief NVIC Enable Interrupt
-
-Enables a user interrupt.
-
-@param[in] irqn Unsigned int8. Interrupt number @ref nvic_stm32f1_userint
-*/
-
-void nvic_enable_irq(u8 irqn)
-{
- NVIC_ISER(irqn / 32) = (1 << (irqn % 32));
-}
-
-/*-----------------------------------------------------------------------------*/
-/** @brief NVIC Disable Interrupt
-
-Disables a user interrupt.
-
-@param[in] irqn Unsigned int8. Interrupt number @ref nvic_stm32f1_userint
-*/
-
-void nvic_disable_irq(u8 irqn)
-{
- NVIC_ICER(irqn / 32) = (1 << (irqn % 32));
-}
-
-/*-----------------------------------------------------------------------------*/
-/** @brief NVIC Return Pending Interrupt
-
-True if the interrupt has occurred and is waiting for service.
-
-@param[in] irqn Unsigned int8. Interrupt number @ref nvic_stm32f1_userint
-@return Boolean. Interrupt pending.
-*/
-
-u8 nvic_get_pending_irq(u8 irqn)
-{
- return NVIC_ISPR(irqn / 32) & (1 << (irqn % 32)) ? 1 : 0;
-}
-
-/*-----------------------------------------------------------------------------*/
-/** @brief NVIC Set Pending Interrupt
-
-Force a user interrupt to a pending state. This has no effect if the interrupt
-is already pending.
-
-@param[in] irqn Unsigned int8. Interrupt number @ref nvic_stm32f1_userint
-*/
-
-void nvic_set_pending_irq(u8 irqn)
-{
- NVIC_ISPR(irqn / 32) = (1 << (irqn % 32));
-}
-
-/*-----------------------------------------------------------------------------*/
-/** @brief NVIC Clear Pending Interrupt
-
-Force remove a user interrupt from a pending state. This has no effect if the
-interrupt is actively being serviced.
-
-@param[in] irqn Unsigned int8. Interrupt number @ref nvic_stm32f1_userint
-*/
-
-void nvic_clear_pending_irq(u8 irqn)
-{
- NVIC_ICPR(irqn / 32) = (1 << (irqn % 32));
-}
-
-/*-----------------------------------------------------------------------------*/
-/** @brief NVIC Return Active Interrupt
-
-Interrupt has occurred and is currently being serviced.
-
-@param[in] irqn Unsigned int8. Interrupt number @ref nvic_stm32f1_userint
-@return Boolean. Interrupt active.
-*/
-
-u8 nvic_get_active_irq(u8 irqn)
-{
- return NVIC_IABR(irqn / 32) & (1 << (irqn % 32)) ? 1 : 0;
-}
-
-/*-----------------------------------------------------------------------------*/
-/** @brief NVIC Return Enabled Interrupt
-
-@param[in] irqn Unsigned int8. Interrupt number @ref nvic_stm32f1_userint
-@return Boolean. Interrupt enabled.
-*/
-
-u8 nvic_get_irq_enabled(u8 irqn)
-{
- return NVIC_ISER(irqn / 32) & (1 << (irqn % 32)) ? 1 : 0;
-}
-
-/*-----------------------------------------------------------------------------*/
-/** @brief NVIC Set Interrupt Priority
-
-There are 16 priority levels only, given by the upper four bits of the priority
-byte, as required by ARM standards. The priority levels are interpreted according
-to the pre-emptive priority grouping set in the SCB Application Interrupt and Reset
-Control Register (SCB_AIRCR), as done in @ref scb_set_priority_grouping.
-
-@param[in] irqn Unsigned int8. Interrupt number @ref nvic_stm32f1_userint
-@param[in] priority Unsigned int8. Interrupt priority (0 ... 255 in steps of 16)
-*/
-
-void nvic_set_priority(u8 irqn, u8 priority)
-{
- NVIC_IPR(irqn) = priority;
-}
-
-/*-----------------------------------------------------------------------------*/
-/** @brief NVIC Software Trigger Interrupt
-
-Generate an interrupt from software. This has no effect for unprivileged access
-unless the privilege level has been elevated through the System Control Registers.
-
-@param[in] irqn Unsigned int16. Interrupt number (0 ... 239)
-*/
-
-void nvic_generate_software_interrupt(u16 irqn)
-{
- if (irqn <= 239)
- NVIC_STIR |= irqn;
-}
-/**@}*/
-