mirror of https://github.com/ARMmbed/mbed-os.git
Tidying up gpio_irq_api.c
parent
a7ba27618d
commit
c3ebd47071
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@ -68,16 +68,6 @@ int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32
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// Set the handler to be the pointer at the top...
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irq_handler = handler;
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/*
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If there are any ports or pins that aren't able to handle interrupts, put them here and uncomment.
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if (pin == ... ||
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pin == ...) {
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error("This pin does not support interrupts.");
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return -1;x
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}
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*/
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// Which port are we using?
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int channel;
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uint32_t port_reg = (LPC_GPIO0_BASE + (((pin & 0xF000) >> PORT_SHIFT) * 0x10000));
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@ -164,13 +154,6 @@ void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) {
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else
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port_reg->IEV &= ~(1 << pin_num);
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}
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/*
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Firstly, clear the interrupts for this pin,
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Then, let the registers know whether we're looking for edge detection,
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Enable the interrupt,
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And set it to only respond to interrupts on one edge.
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*/
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// Clear
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port_reg->IC |= 1 << pin_num;
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