diff options
Diffstat (limited to 'libmaple/nvic.h')
| -rw-r--r-- | libmaple/nvic.h | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/libmaple/nvic.h b/libmaple/nvic.h index 6004c36..fe9990f 100644 --- a/libmaple/nvic.h +++ b/libmaple/nvic.h @@ -47,10 +47,43 @@ extern "C"{ #define NVIC_ICER1 0xE000E184 /* NVIC_ICER2 only on connectivity line */ +/* NVIC Priority */ +#define NVIC_PRI_BASE 0xE000E400 + /* System control registers */ #define SCB_VTOR 0xE000ED08 // Vector table offset register +#define NVIC_VectTab_RAM ((u32)0x20000000) +#define NVIC_VectTab_FLASH ((u32)0x08000000) + +#define NVIC_BASE 0xE000E100 +#define NVIC ((nvic_reg_map*)NVIC_BASE) + +typedef struct nvic_reg_map { + __io uint32 ISER[8]; // Interrupt Set Enable Registers + uint32 RESERVED0[24]; + __io uint32 ICER[8]; // Interrupt Clear Enable Registers + uint32 RSERVED1[24]; + __io uint32 ISPR[8]; // Interrupt Set Pending Registers + uint32 RESERVED2[24]; + __io uint32 ICPR[8]; // Interrupt Clear Pending Registers + uint32 RESERVED3[24]; + __io uint32 IABR[8]; // Interrupt Active bit Registers + uint32 RESERVED4[56]; + __io uint8 IP[240]; // Interrupt Priority Registers + uint32 RESERVED5[644]; + __io uint32 STIR; // Software Trigger Interrupt Registers +} nvic_reg_map; + enum { + NVIC_NMI = -14, + NVIC_MEM_MANAGE = -12, + NVIC_BUS_FAULT = -11, + NVIC_USAGE_FAULT = -10, + NVIC_SVC = -5, + NVIC_DEBUG_MON = -4, + NVIC_PEND_SVC = -2, + NVIC_SYSTICK = -1, NVIC_TIMER1 = 27, NVIC_TIMER2 = 28, NVIC_TIMER3 = 29, @@ -80,7 +113,12 @@ enum { NVIC_DMA_CH4 = 14, NVIC_DMA_CH5 = 15, NVIC_DMA_CH6 = 16, - NVIC_DMA_CH7 = 17 + NVIC_DMA_CH7 = 17, + + NVIC_I2C1_EV = 31, + NVIC_I2C1_ER = 32, + NVIC_I2C2_EV = 33, + NVIC_I2C2_ER = 34 }; @@ -91,6 +129,7 @@ void nvic_init(void); void nvic_irq_enable(uint32 device); void nvic_irq_disable(uint32 device); void nvic_irq_disable_all(void); +void nvic_set_priority(int32 irqn, uint8 priority); #ifdef __cplusplus } |