efm32 tinygecko: defined interrupts

there seems not to be anything family specific about the interrupt
vectors of m3 based efm32 systems, thus renaming vector.h to irq.h

include/libopencm3/efm32/tinygecko/irq.h

@@ -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

include/libopencm3/efm32/tinygecko/vector.h

@@ -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

include/libopencm3/efm32/vector.h

@@ -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