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efm32 tinygecko: defined interrupts

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there seems not to be anything family specific about the interrupt
vectors of m3 based efm32 systems, thus renaming vector.h to irq.h
This commit is contained in:
chrysn 2012-02-27 13:21:40 +01:00
parent be62115f00
commit f6025af859
3 changed files with 44 additions and 18 deletions
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36
include/libopencm3/efm32/tinygecko/irq.h Normal file
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@ -0,0 +1,36 @@
/** @file
*
* Definitions of interrupt names on EFM32 Tiny Gecko systems
*
* The names and numbers are taken from d0034_efm32tg_reference_manual.pdf table 4.1.
*/
#ifndef LIBOPENCM3_EFM32_TINYGECKO_VECTOR_H
#define LIBOPENCM3_EFM32_TINYGECKO_VECTOR_H
#define IRQ_DMA 0
#define IRQ_GPIO_EVEN 1
#define IRQ_TIMER0 2
#define IRQ_USART0_RX 3
#define IRQ_USART0_TX 4
#define IRQ_ACMP01 5
#define IRQ_ADC0 6
#define IRQ_DAC0 7
#define IRQ_I2C0 8
#define IRQ_GPIO_ODD 9
#define IRQ_TIMER1 10
#define IRQ_USART1_RX 11
#define IRQ_USART1_TX 12
#define IRQ_LESENSE 13
#define IRQ_LEUART0 14
#define IRQ_LETIMER0 15
#define IRQ_PCNT0 16
#define IRQ_RTC 17
#define IRQ_CMU 18
#define IRQ_VCMP 19
#define IRQ_LCD 20
#define IRQ_MSC 21
#define IRQ_AES 22
#define IRQ_COUNT 23 /**< See also d0002_efm32_cortex-m3_reference_manual.pdf's table 1.1's "number of interrupts" line, which shows that there are really no more interrupts and it is sufficient to allocate only 23 slots. */
#endif

15
include/libopencm3/efm32/tinygecko/vector.h
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@ -1,15 +0,0 @@
/** @file
*
* Definitions for vector tables on Tiny Gecko systems.
*
* @see include/libopencm3/efm32/vector.h
*
* @todo The definitions of the individual IRQs will go here too.
* */
#ifndef LIBOPENCM3_EFM32_TINYGECKO_VECTOR_H
#define LIBOPENCM3_EFM32_TINYGECKO_VECTOR_H
#define EFM32_VECTOR_NIRQ 23 /**< See d0002_efm32_cortex-m3_reference_manual.pdf's table 1.1's "number of interrupts" line */
#endif

11
include/libopencm3/efm32/vector.h
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@ -7,6 +7,9 @@
* The structure of the vector table is implemented independently of the system
* vector table starting at memory position 0x0, as it can be relocated to
* other memory locations too.
*
* The exact size of a vector interrupt table depends on the number of
* interrupts IRQ_COUNT, which is defined per family.
*/
#ifndef LIBOPENCM3_EFM32_VECTOR_H
@ -15,12 +18,14 @@
#include <libopencm3/cm3/common.h>
#ifdef TINYGECKO
# include <libopencm3/efm32/tinygecko/vector.h>
# include <libopencm3/efm32/tinygecko/irq.h>
#else
# error "efm32 family not defined."
#endif
typedef void (*efm32_vector_table_entry_t)(void); /**< Type of an interrupt function. Only used to avoid hard-to-read function pointers in the efm32_vector_table_t struct. */
/** Type of an interrupt function. Only used to avoid hard-to-read function
* pointers in the efm32_vector_table_t struct. */
typedef void (*efm32_vector_table_entry_t)(void);
typedef struct {
unsigned int *initial_sp_value; /**< The value the stack pointer is set to initially */
@ -36,7 +41,7 @@ typedef struct {
efm32_vector_table_entry_t reserved_x0034;
efm32_vector_table_entry_t pend_sv;
efm32_vector_table_entry_t systick;
efm32_vector_table_entry_t irq[EFM32_VECTOR_NIRQ];
efm32_vector_table_entry_t irq[IRQ_COUNT];
} efm32_vector_table_t;
#endif