Cannot configure interupts of TIM6 on stm32f103 board
Does my NVIC configuration wrong?
Code:
@ stm32f103 timer & interrupt test by laper_s (from 2019-02-02) .thumb .cpu cortex-m3 .syntax unified .word 0x20005000 .word start + 1 b start .macro mov32 regnum,number movw \regnum,:lower16:\number movt \regnum,:upper16:\number .endm start: mov32 r1, 0x40021018 @ RCC_APB2ENR address mov32 r0, 0x10 @ enable GPIOC str r0, [r1] mov32 r1, 0x4002101c @ RCC_APB1ENR address mov32 r0, 0x10 @ enable TIM6 str r0, [r1] mov32 r1, 0x40011004 @ GPIOC_CRH mov32 r0, 0x44344444 @ set PC13 as 50 MHz PP output str r0, [r1] mov32 r1, 0xE000E104 @ NVIC_ISER1 ldr r0, [r1] orr r0, #0x00400000 @ enable interrupt #54 str r0, [r1] mov32 r1, 0x00000118 @ TIM6 interrupt address adr r0, tim6_interrupt_observer str r0, [r1] mov32 r1, 0x40001024 @ TIM6_CNT movw r0, 0x707 @ set counter strh r0, [r1] mov32 r1, 0x40001028 @ TIM6_PSC movw r0, 0x270f @ set prescaler strh r0, [r1] mov32 r1, 0x4000100c @ TIM6_DIER movw r0, 0x1 @ enable update interrupt strh r0, [r1] mov32 r1, 0x40001000 @ TIM6_CR1 ldrh r0, [r1] orr r0, 0x1 @ enable counter strh r0, [r1] .include "sysclk.inc" loop: b loop tim6_interrupt_observer: mov32 r1, 0x40001010 @ TIM6_SR movw r0, 0x0 @ clear interrupt flag str r0, [r1] mov32 r1, 0x4001100c @ GPIOC_ODR ldr r0, [r1] and r0, #0x2000 cmp r0, #0x2000 ite eq movweq r0, 0x0000 movwne r0, 0x2000 str r0, [r1] bx lr end: b end
Can anyone help me with that?