Re: [Sdcc-user] STM8 interrupt example ?

[aarrgghh.co.uk <aar...@aa...>]

Thanks
It works now. I kind of wondered if I'd have missed something glaringly 
obvious, or not very well documented if you don't know exactly what you 
are looking for.

Thanks also for the link to the stm8s.h file.

Regards
Russ.

On 24/01/17 07:13, Травкин Роман wrote:
> You haven't enabled interrupts. Assembler command "rim" -- enables 
> interrrupts, "sim" --disasbles.
> add __asm__ ("rim") before while(1).
> PD_DDR = 1<<3;
>  PD_CR1 = 1<<3;
>
> __asm__ ("rim");
>
>     while(1){
>     }
> You may also may look at adapted stm8s.h from SPL 
> https://yadi.sk/d/Asn1BiuX3AbQsB
> 24.01.2017, 00:23, "aarrgghh.co.uk" <aar...@aa...>:
>> Thanks I've tried that but I'm still not having any luck.
>> This is my code.
>>
>> #include <stdint.h>
>>
>> #define CLK_DIVR    (*(volatile uint8_t *)0x50C6)
>>
>> #define TIM1_CR1    (*(volatile uint8_t *)0x5250)
>> #define TIM1_IER    (*(volatile uint8_t *)0x5254)
>> #define TIM1_SR1    (*(volatile uint8_t *)0x5255)
>> #define TIM1_CNTRH    (*(volatile uint8_t *)0x525E)
>> #define TIM1_CNTRL    (*(volatile uint8_t *)0x525F)
>> #define TIM1_PSCRH    (*(volatile uint8_t *)0x5260)
>> #define TIM1_PSCRL    (*(volatile uint8_t *)0x5261)
>>
>> #define PD_ODR    (*(volatile uint8_t *)0x500f)
>> #define PD_DDR    (*(volatile uint8_t *)0x5011)
>> #define PD_CR1    (*(volatile uint8_t *)0x5012)
>>
>> void main(void)
>> {
>>     CLK_DIVR = 0x00; // Set the frequency to 16 MHz
>>
>>     TIM1_PSCRH = 0x00; // Configure timer
>>     TIM1_PSCRL = 0x80;
>>
>>     TIM1_CR1 = 0x01; //Enable timer
>>     TIM1_IER = 0x01; //Enable interrupt - update event
>>
>>     PD_DDR = 1<<3;
>>     PD_CR1 = 1<<3;
>>
>>
>>     while(1){
>>     }
>> }
>>
>> void TIM1_overflow_Handler() __interrupt(11)
>> {
>>     TIM1_SR1 &= ~1; //reset interrupt
>>     PD_ODR ^= 1 << 3; //toggle LED
>> }
>
>
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