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Fix bug in irq_remove_shared_handler and add test #823 (#825)

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* Fix bug in irq_remove_shared_handler and add test #823

* Add comments to irq_handler_chain.S

Co-authored-by: Luke Wren <wren6991@gmail.com>
This commit is contained in:
Graham Sanderson
2022-05-16 13:44:15 -05:00
committed by GitHub
parent 3a3d5fe6c4
commit 159d552150
7 changed files with 303 additions and 53 deletions
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43
test/kitchen_sink/kitchen_sink.c
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@ -110,26 +110,6 @@ __force_inline int something_inlined(int x) {
return x * 2;
}
void __isr dma_handler_a(void) {
printf("HELLO A\n");
if (dma_hw->ints1 & 1) {
dma_hw->ints1 = 1;
printf("A WINS DMA_TO %08x\n", (uint) dma_to);
irq_remove_handler(DMA_IRQ_1, dma_handler_a);
}
}
void __isr dma_handler_b(void) {
printf("HELLO B\n");
if (dma_hw->ints1 & 1) {
dma_hw->ints1 = 1;
printf("B WINS DMA_TO %08x\n", (uint) dma_to);
// irq_remove_handler(DMA_IRQ_1, dma_handler_b);
}
}
//#pragma GCC pop_options
int main(void) {
spiggle();
@ -138,29 +118,6 @@ int main(void) {
printf("HI %d\n", something_inlined((int)time_us_32()));
puts("Hello Everything!");
puts("Hello Everything2!");
irq_add_shared_handler(DMA_IRQ_1, dma_handler_a, 0x80);
irq_add_shared_handler(DMA_IRQ_1, dma_handler_b, 0xC0);
dma_channel_config config = dma_channel_get_default_config(0);
// set_exclusive_irq_handler(DMA_IRQ_1, dma_handler_a);
dma_channel_set_irq1_enabled(0, true);
irq_set_enabled(DMA_IRQ_1, true);
dma_channel_configure(0, &config, &dma_to, &dma_from, 1, true);
dma_channel_set_config(0, &config, false);
// note this loop expects to cause a breakpoint!!
for (int i = 0; i < 20; i++) {
puts("sleepy");
sleep_ms(1000);
dma_channel_configure(0, &config, &dma_to, &dma_from, 1, true);
if (i==3) {
irq_remove_handler(DMA_IRQ_1, dma_handler_a);
}
if (i==2) {
irq_remove_handler(DMA_IRQ_1, dma_handler_b);
}
}
// this should compile as we are Cortex M0+
__asm volatile("SVC #3");
}