diff options
| author | HubretXie <[email protected]> | 2018-12-23 21:04:32 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2018-12-23 21:04:32 +0800 |
| commit | c51f27797e332cb9a73cfbde7b1370a8ca59684d (patch) | |
| tree | 267a66891532850ecd1a6ecb54e4434307d869ff /bsp | |
| parent | 49638e4ea51e439798589ce399c4f38e4b50ce3d (diff) | |
修改GPIO关中断处理
因为STM32有些IO共用一个中断向量，关中断时不能直接关闭中断
Diffstat (limited to 'bsp')
| -rw-r--r-- | bsp/stm32/libraries/HAL_Drivers/drv_gpio.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c b/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c index 0d71c06763..9ea8ce5313 100644 --- a/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c +++ b/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c @@ -254,6 +254,7 @@ static struct rt_pin_irq_hdr pin_irq_hdr_tab[] = {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, }; +static uint32_t pin_irq_enable_mask=0; #define ITEM_NUM(items) sizeof(items) / sizeof(items[0]) static const struct pin_index *get_pin(uint8_t pin) @@ -507,6 +508,7 @@ static rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin, HAL_NVIC_SetPriority(irqmap->irqno, 5, 0); HAL_NVIC_EnableIRQ(irqmap->irqno); + pin_irq_enable_mask |= irqmap->pinbit; rt_hw_interrupt_enable(level); } @@ -518,7 +520,30 @@ static rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin, return RT_ENOSYS; } - HAL_NVIC_DisableIRQ(irqmap->irqno); + level = rt_hw_interrupt_disable(); + + HAL_GPIO_DeInit(index->gpio, index->pin); + + pin_irq_enable_mask &= ~irqmap->pinbit; + if (( irqmap->pinbit>=GPIO_PIN_5 )&&( irqmap->pinbit<=GPIO_PIN_9 )) + { + if(!(pin_irq_enable_mask&(GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9))) + { + HAL_NVIC_DisableIRQ(irqmap->irqno); + } + } + else if (( irqmap->pinbit>=GPIO_PIN_10 )&&( irqmap->pinbit<=GPIO_PIN_15 )) + { + if(!(pin_irq_enable_mask&(GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15))) + { + HAL_NVIC_DisableIRQ(irqmap->irqno); + } + } + else + { + HAL_NVIC_DisableIRQ(irqmap->irqno); + } + rt_hw_interrupt_enable(level); } else { |