Merge pull request #1094 from kasjer/kasjer/da146xx-vbus-handling

dcd_da146xx: Add VBUS handling
This commit is contained in:
Ha Thach
2021-09-18 23:12:40 +07:00
committed by GitHub
3 changed files with 83 additions and 17 deletions

View File

@@ -53,6 +53,9 @@ void UnhandledIRQ(void)
while(1);
}
// DA146xx driver function that must be called whenever VBUS changes.
extern void tusb_vbus_changed(bool present);
void board_init(void)
{
// LED
@@ -70,7 +73,10 @@ void board_init(void)
// 1ms tick timer
SysTick_Config(SystemCoreClock / 1000);
NVIC_SetPriority(USB_IRQn, 2);
#if TUSB_OPT_DEVICE_ENABLED
// This board is USB powered there is no need to monitor
// VBUS line. Notify driver that VBUS is present.
tusb_vbus_changed(true);
/* Setup USB IRQ */
NVIC_SetPriority(USB_IRQn, 2);
@@ -81,6 +87,7 @@ void board_init(void)
mcu_gpio_set_pin_function(14, MCU_GPIO_MODE_INPUT, MCU_GPIO_FUNC_USB);
mcu_gpio_set_pin_function(15, MCU_GPIO_MODE_INPUT, MCU_GPIO_FUNC_USB);
#endif
}
//--------------------------------------------------------------------+

View File

@@ -36,6 +36,21 @@ void USB_IRQHandler(void)
tud_int_handler(0);
}
#if TUSB_OPT_DEVICE_ENABLED
// DA146xx driver function that must be called whenever VBUS changes
extern void tusb_vbus_changed(bool present);
// VBUS change interrupt handler
void VBUS_IRQHandler(void)
{
bool present = (CRG_TOP->ANA_STATUS_REG & CRG_TOP_ANA_STATUS_REG_VBUS_AVAILABLE_Msk) != 0;
// Clear VBUS interrupt
CRG_TOP->VBUS_IRQ_CLEAR_REG = 1;
tusb_vbus_changed(present);
}
#endif
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM
//--------------------------------------------------------------------+
@@ -70,7 +85,15 @@ void board_init(void)
// 1ms tick timer
SysTick_Config(SystemCoreClock / 1000);
NVIC_SetPriority(USB_IRQn, 2);
#if TUSB_OPT_DEVICE_ENABLED
// Setup interrupt for both connect and disconnect
CRG_TOP->VBUS_IRQ_MASK_REG = CRG_TOP_VBUS_IRQ_MASK_REG_VBUS_IRQ_EN_FALL_Msk |
CRG_TOP_VBUS_IRQ_MASK_REG_VBUS_IRQ_EN_RISE_Msk;
NVIC_SetPriority(VBUS_IRQn, 2);
// Trigger interrupt at the start to inform driver about VBUS state at start
// otherwise it could go unnoticed.
NVIC_SetPendingIRQ(VBUS_IRQn);
NVIC_EnableIRQ(VBUS_IRQn);
/* Setup USB IRQ */
NVIC_SetPriority(USB_IRQn, 2);
@@ -81,6 +104,7 @@ void board_init(void)
mcu_gpio_set_pin_function(14, MCU_GPIO_MODE_INPUT, MCU_GPIO_FUNC_USB);
mcu_gpio_set_pin_function(15, MCU_GPIO_MODE_INPUT, MCU_GPIO_FUNC_USB);
#endif
}
//--------------------------------------------------------------------+