Browse Source

splitted nvic and scb

pull/2/head
Thomas Otto 15 years ago
parent
commit
80984d44c4
  1. 1
      include/libopenstm32.h
  2. 138
      include/libopenstm32/nvic.h
  3. 167
      include/libopenstm32/scb.h

1
include/libopenstm32.h

@ -36,5 +36,6 @@
#include <libopenstm32/rtc.h>
#include <libopenstm32/i2c.h>
#include <libopenstm32/dma.h>
#include <libopenstm32/scb.h>
#endif

138
include/libopenstm32/nvic.h

@ -62,144 +62,6 @@
/* STIR: Software Trigger Interrupt Register */
#define NVIC_STIR MMIO32(STIR_BASE)
/* --- SCB: Registers ------------------------------------------------------ */
/* CPUID: CPUID base register */
#define SCB_CPUID MMIO32(SCB_BASE + 0x00)
/* ICSR: Interrupt Control State Register */
#define SCB_ICSR MMIO32(SCB_BASE + 0x04)
/* VTOR: Vector Table Offset Register */
#define SCB_VTOR MMIO32(SCB_BASE + 0x08)
/* AIRCR: Application Interrupt and Reset Control Register */
#define SCB_AIRCR MMIO32(SCB_BASE + 0x0C)
/* SCR: System Control Register */
#define SCB_SCR MMIO32(SCB_BASE + 0x10)
/* CCR: Configuration Control Register */
#define SCB_CCR MMIO32(SCB_BASE + 0x14)
/* SHP: System Handler Priority Registers */
/* Note: 12 8bit registers */
#define SCB_SHPR(shpr_id) MMIO8(SCB_BASE + 0x18 + shpr_id)
/* SHCSR: System Handler Control and State Register */
#define SCB_SHCSR MMIO32(SCB_BASE + 0x24)
/* CFSR: Configurable Fault Status Registers */
#define SCB_CFSR MMIO32(SCB_BASE + 0x28)
/* HFSR: Hard Fault Status Register */
#define SCB_HFSR MMIO32(SCB_BASE + 0x2C)
/* DFSR: Debug Fault Status Register */
#define SCB_DFSR MMIO32(SCB_BASE + 0x30)
/* MMFAR: Memory Manage Fault Address Register */
#define SCB_MMFAR MMIO32(SCB_BASE + 0x34)
/* BFAR: Bus Fault Address Register */
#define SCB_BFAR MMIO32(SCB_BASE + 0x38)
/* AFSR: Auxiliary Fault Status Register */
#define SCB_AFSR MMIO32(SCB_BASE + 0x3C)
/* --- SCB values ---------------------------------------------------------- */
/* --- SCB_CPUID values ---------------------------------------------------- */
/* Implementer[31:24]: Implementer code */
#define SCP_CPUID_IMPLEMENTER_LSB 24
/* Variant[23:20]: Variant number */
#define SCP_CPUID_VARIANT_LSB 20
/* Constant[19:16]: Reads as 0xF */
#define SCP_CPUID_CONSTANT_LSB 16
/* PartNo[15:4]: Part number of the processor */
#define SCP_CPUID_PARTNO_LSB 4
/* Revision[3:0]: Revision number */
#define SCP_CPUID_REVISION_LSB 0
/* --- SCB_ICSR values ----------------------------------------------------- */
/* NMIPENDSET: NMI set-pending bit */
#define SCB_ICSR_NMIPENDSET (1 << 31)
/* Bits [30:29]: reserved - must be kept cleared */
/* PENDSVSET: PendSV set-pending bit */
#define SCB_ICSR_PENDSVSET (1 << 28)
/* PENDSVCLR: PendSV clear-pending bit */
#define SCB_ICSR_PENDSVCLR (1 << 27)
/* PENDSTSET: SysTick exception set-pending bit */
#define SCB_ICSR_PENDSTSET (1 << 26)
/* PENDSTCLR: SysTick exception clear-pending bit */
#define SCB_ICSR_PENDSTCLR (1 << 25)
/* Bit 24: reserved - must be kept cleared */
/* Bit 23: reserved for debug - reads as 0 when not in debug mode */
/* ISRPENDING: Interrupt pending flag, excluding NMI and Faults */
#define SCB_ICSR_ISRPENDING (1 << 22)
/* VECTPENDING[21:12] Pending vector */
#define SCB_ICSR_VECTPENDING_LSB 12
/* RETOBASE: Return to base level */
#define SCB_ICSR_RETOBASE (1 << 11)
/* Bits [10:9]: reserved - must be kept cleared */
/* VECTACTIVE[8:0] Active vector */
#define SCB_ICSR_VECTACTIVE_LSB 0
/* --- SCB_VTOR values ----------------------------------------------------- */
/* Bits [31:30]: reserved - must be kept cleared */
/* TBLOFF[29:9]: Vector table base offset field */
#define SCB_VTOR_TBLOFF_LSB 9 /* inconsistent datasheet - LSB could be 11 */
/* --- SCB_AIRCR values ---------------------------------------------------- */
/* VECTKEYSTAT[31:16]/ VECTKEY[31:16] Register key */
#define SCB_AIRCR_VECTKEYSTAT_LSB 16
/* ENDIANESS Data endianness bit */
#define SCB_AIRCR_ENDIANESS (1 << 15)
/* Bits [14:11]: reserved - must be kept cleared */
/* PRIGROUP[10:8]: Interrupt priority grouping field */
#define SCB_AIRCR_PRIGROUP_LSB 8
#define SCB_AIRCR_PRIGROUP_GROUP16_NOSUB 0x3
#define SCB_AIRCR_PRIGROUP_GROUP8_SUB2 0x4
#define SCB_AIRCR_PRIGROUP_GROUP4_SUB4 0x5
#define SCB_AIRCR_PRIGROUP_GROUP2_SUB8 0x6
#define SCB_AIRCR_PRIGROUP_NOGROUP_SUB16 0x7
/* Bits [7:3]: reserved - must be kept cleared */
/* SYSRESETREQ System reset request */
#define SCB_AIRCR_SYSRESETREQ (1 << 2)
/* VECTCLRACTIVE */
#define SCB_AIRCR_VECTCLRACTIVE (1 << 1)
/* VECTRESET */
#define SCB_AIRCR_VECTRESET (1 << 0)
/* --- SCB_SCR values ------------------------------------------------------ */
/* Bits [31:5]: reserved - must be kept cleared */
/* SEVEONPEND Send Event on Pending bit */
#define SCB_SCR_SEVEONPEND (1 << 4)
/* Bit 3: reserved - must be kept cleared */
/* SLEEPDEEP */
#define SCB_SCR_SLEEPDEEP (1 << 2)
/* SLEEPONEXIT */
#define SCB_SCR_SLEEPONEXIT (1 << 1)
/* Bit 0: reserved - must be kept cleared */
/* --- SCB_CCR values ------------------------------------------------------ */
/* Bits [31:10]: reserved - must be kept cleared */
/* STKALIGN */
#define SCB_CCR_STKALIGN (1 << 9)
/* BFHFNMIGN */
#define SCB_CCR_BFHFNMIGN (1 << 8)
/* Bits [7:5]: reserved - must be kept cleared */
/* DIV_0_TRP */
#define SCB_CCR_DIV_0_TRP (1 << 4)
/* UNALIGN_TRP */
#define SCB_CCR_UNALIGN_TRP (1 << 3)
/* Bit 2: reserved - must be kept cleared */
/* USERSETMPEND */
#define SCB_CCR_USERSETMPEND (1 << 1)
/* NONBASETHRDENA */
#define SCB_CCR_NONBASETHRDENA (1 << 0)
/* --- NVIC functions ------------------------------------------------------ */
void nvic_enable_irq(u8 irqn);

167
include/libopenstm32/scb.h

@ -0,0 +1,167 @@
/*
* This file is part of the libopenstm32 project.
*
* Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENSTM32_SCB_H
#define LIBOPENSTM32_SCB_H
#include <libopenstm32/memorymap.h>
#include <libopenstm32/common.h>
/* --- SCB: Registers ------------------------------------------------------ */
/* CPUID: CPUID base register */
#define SCB_CPUID MMIO32(SCB_BASE + 0x00)
/* ICSR: Interrupt Control State Register */
#define SCB_ICSR MMIO32(SCB_BASE + 0x04)
/* VTOR: Vector Table Offset Register */
#define SCB_VTOR MMIO32(SCB_BASE + 0x08)
/* AIRCR: Application Interrupt and Reset Control Register */
#define SCB_AIRCR MMIO32(SCB_BASE + 0x0C)
/* SCR: System Control Register */
#define SCB_SCR MMIO32(SCB_BASE + 0x10)
/* CCR: Configuration Control Register */
#define SCB_CCR MMIO32(SCB_BASE + 0x14)
/* SHP: System Handler Priority Registers */
/* Note: 12 8bit registers */
#define SCB_SHPR(shpr_id) MMIO8(SCB_BASE + 0x18 + shpr_id)
/* SHCSR: System Handler Control and State Register */
#define SCB_SHCSR MMIO32(SCB_BASE + 0x24)
/* CFSR: Configurable Fault Status Registers */
#define SCB_CFSR MMIO32(SCB_BASE + 0x28)
/* HFSR: Hard Fault Status Register */
#define SCB_HFSR MMIO32(SCB_BASE + 0x2C)
/* DFSR: Debug Fault Status Register */
#define SCB_DFSR MMIO32(SCB_BASE + 0x30)
/* MMFAR: Memory Manage Fault Address Register */
#define SCB_MMFAR MMIO32(SCB_BASE + 0x34)
/* BFAR: Bus Fault Address Register */
#define SCB_BFAR MMIO32(SCB_BASE + 0x38)
/* AFSR: Auxiliary Fault Status Register */
#define SCB_AFSR MMIO32(SCB_BASE + 0x3C)
/* --- SCB values ---------------------------------------------------------- */
/* --- SCB_CPUID values ---------------------------------------------------- */
/* Implementer[31:24]: Implementer code */
#define SCP_CPUID_IMPLEMENTER_LSB 24
/* Variant[23:20]: Variant number */
#define SCP_CPUID_VARIANT_LSB 20
/* Constant[19:16]: Reads as 0xF */
#define SCP_CPUID_CONSTANT_LSB 16
/* PartNo[15:4]: Part number of the processor */
#define SCP_CPUID_PARTNO_LSB 4
/* Revision[3:0]: Revision number */
#define SCP_CPUID_REVISION_LSB 0
/* --- SCB_ICSR values ----------------------------------------------------- */
/* NMIPENDSET: NMI set-pending bit */
#define SCB_ICSR_NMIPENDSET (1 << 31)
/* Bits [30:29]: reserved - must be kept cleared */
/* PENDSVSET: PendSV set-pending bit */
#define SCB_ICSR_PENDSVSET (1 << 28)
/* PENDSVCLR: PendSV clear-pending bit */
#define SCB_ICSR_PENDSVCLR (1 << 27)
/* PENDSTSET: SysTick exception set-pending bit */
#define SCB_ICSR_PENDSTSET (1 << 26)
/* PENDSTCLR: SysTick exception clear-pending bit */
#define SCB_ICSR_PENDSTCLR (1 << 25)
/* Bit 24: reserved - must be kept cleared */
/* Bit 23: reserved for debug - reads as 0 when not in debug mode */
/* ISRPENDING: Interrupt pending flag, excluding NMI and Faults */
#define SCB_ICSR_ISRPENDING (1 << 22)
/* VECTPENDING[21:12] Pending vector */
#define SCB_ICSR_VECTPENDING_LSB 12
/* RETOBASE: Return to base level */
#define SCB_ICSR_RETOBASE (1 << 11)
/* Bits [10:9]: reserved - must be kept cleared */
/* VECTACTIVE[8:0] Active vector */
#define SCB_ICSR_VECTACTIVE_LSB 0
/* --- SCB_VTOR values ----------------------------------------------------- */
/* Bits [31:30]: reserved - must be kept cleared */
/* TBLOFF[29:9]: Vector table base offset field */
#define SCB_VTOR_TBLOFF_LSB 9 /* inconsistent datasheet - LSB could be 11 */
/* --- SCB_AIRCR values ---------------------------------------------------- */
/* VECTKEYSTAT[31:16]/ VECTKEY[31:16] Register key */
#define SCB_AIRCR_VECTKEYSTAT_LSB 16
/* ENDIANESS Data endianness bit */
#define SCB_AIRCR_ENDIANESS (1 << 15)
/* Bits [14:11]: reserved - must be kept cleared */
/* PRIGROUP[10:8]: Interrupt priority grouping field */
#define SCB_AIRCR_PRIGROUP_LSB 8
#define SCB_AIRCR_PRIGROUP_GROUP16_NOSUB 0x3
#define SCB_AIRCR_PRIGROUP_GROUP8_SUB2 0x4
#define SCB_AIRCR_PRIGROUP_GROUP4_SUB4 0x5
#define SCB_AIRCR_PRIGROUP_GROUP2_SUB8 0x6
#define SCB_AIRCR_PRIGROUP_NOGROUP_SUB16 0x7
/* Bits [7:3]: reserved - must be kept cleared */
/* SYSRESETREQ System reset request */
#define SCB_AIRCR_SYSRESETREQ (1 << 2)
/* VECTCLRACTIVE */
#define SCB_AIRCR_VECTCLRACTIVE (1 << 1)
/* VECTRESET */
#define SCB_AIRCR_VECTRESET (1 << 0)
/* --- SCB_SCR values ------------------------------------------------------ */
/* Bits [31:5]: reserved - must be kept cleared */
/* SEVEONPEND Send Event on Pending bit */
#define SCB_SCR_SEVEONPEND (1 << 4)
/* Bit 3: reserved - must be kept cleared */
/* SLEEPDEEP */
#define SCB_SCR_SLEEPDEEP (1 << 2)
/* SLEEPONEXIT */
#define SCB_SCR_SLEEPONEXIT (1 << 1)
/* Bit 0: reserved - must be kept cleared */
/* --- SCB_CCR values ------------------------------------------------------ */
/* Bits [31:10]: reserved - must be kept cleared */
/* STKALIGN */
#define SCB_CCR_STKALIGN (1 << 9)
/* BFHFNMIGN */
#define SCB_CCR_BFHFNMIGN (1 << 8)
/* Bits [7:5]: reserved - must be kept cleared */
/* DIV_0_TRP */
#define SCB_CCR_DIV_0_TRP (1 << 4)
/* UNALIGN_TRP */
#define SCB_CCR_UNALIGN_TRP (1 << 3)
/* Bit 2: reserved - must be kept cleared */
/* USERSETMPEND */
#define SCB_CCR_USERSETMPEND (1 << 1)
/* NONBASETHRDENA */
#define SCB_CCR_NONBASETHRDENA (1 << 0)
/* --- SCB functions ------------------------------------------------------- */
#endif
Loading…
Cancel
Save