diff options
| author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2016-06-28 17:56:27 +0200 |
|---|---|---|
| committer | Dominik Sliwa <dominik.sliwa@toradex.com> | 2016-06-29 11:25:18 +0200 |
| commit | 7292d8eea8ceff8ef33b65bb348e7e722a5f3423 (patch) | |
| tree | de43c8cbdb2a6363561c48856eb1ab10de5aa9a8 | |
| parent | f0d75b883e0743b76f67de813a66c9dd60762366 (diff) | |
pin_mux: INT pins setup
| -rw-r--r-- | board/pin_mux.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/board/pin_mux.c b/board/pin_mux.c index be07825..842ce5c 100644 --- a/board/pin_mux.c +++ b/board/pin_mux.c @@ -46,6 +46,11 @@ void BOARD_InitPins(void) gpio_pin_config_t gpio_out_config = { kGPIO_DigitalOutput, 0, }; + gpio_pin_config_t gpio_out_hi_config = { + kGPIO_DigitalOutput, 1, + }; + + port_pin_config_t od_config; CLOCK_EnableClock(kCLOCK_PortA); CLOCK_EnableClock(kCLOCK_PortB); @@ -71,17 +76,13 @@ void BOARD_InitPins(void) /* Resistive Touch panel pinmux config */ PORT_SetPinMux(PORTE, 6u, kPORT_MuxAsGpio); - GPIO_PinInit(GPIOE, 6u, &gpio_out_config); - GPIO_SetPinsOutput(GPIOE, 1u << 6); /* Force X+*/ + GPIO_PinInit(GPIOE, 6u, &gpio_out_hi_config); /* Force X+*/ PORT_SetPinMux(PORTB, 9u, kPORT_MuxAsGpio); - GPIO_PinInit(GPIOB, 9u, &gpio_out_config); - GPIO_ClearPinsOutput(GPIOB, 1u << 9); /* Force X-*/ + GPIO_PinInit(GPIOB, 9u, &gpio_out_config); /* Force X-*/ PORT_SetPinMux(PORTC, 5u, kPORT_MuxAsGpio); - GPIO_PinInit(GPIOC, 5u, &gpio_out_config); - GPIO_SetPinsOutput(GPIOC, 1u << 5); /* Force Y+*/ + GPIO_PinInit(GPIOC, 5u, &gpio_out_hi_config); /* Force Y+*/ PORT_SetPinMux(PORTC, 13u, kPORT_MuxAsGpio); - GPIO_PinInit(GPIOC, 13u, &gpio_out_config); - GPIO_ClearPinsOutput(GPIOC, 1u << 13); /* Force Y-*/ + GPIO_PinInit(GPIOC, 13u, &gpio_out_config); /* Force Y-*/ PORT_SetPinMux(PORTB, 6UL, kPORT_PinDisabledOrAnalog); /* Sense X+ */ PORT_SetPinMux(PORTB, 7UL, kPORT_PinDisabledOrAnalog); /* Sense X- */ PORT_SetPinMux(PORTC, 8UL, kPORT_PinDisabledOrAnalog); /* Sense Y+ */ @@ -93,4 +94,21 @@ void BOARD_InitPins(void) PORT_SetPinMux(PORTB, 23u, kPORT_MuxAlt2); /* SPI2_SIN */ PORT_SetPinMux(PORTB, 20u, kPORT_MuxAsGpio); /* SPI2_SS */ + /* Open Drain INT pins config */ + od_config.mux = kPORT_MuxAsGpio; + od_config.openDrainEnable = kPORT_OpenDrainEnable; + od_config.pullSelect = kPORT_PullDisable; + od_config.slewRate = kPORT_FastSlewRate; + od_config.passiveFilterEnable = kPORT_PassiveFilterDisable; + od_config.driveStrength = kPORT_LowDriveStrength; + od_config.lockRegister = kPORT_UnlockRegister; + GPIO_PinInit(GPIOA, 16u, &gpio_out_config); + PORT_SetPinConfig(PORTA, 16u, &od_config); /* MCU_INT1 */ + GPIO_PinInit(GPIOA, 29u, &gpio_out_hi_config); + PORT_SetPinConfig(PORTA, 29u, &od_config); /* MCU_INT2 */ + GPIO_PinInit(GPIOB, 8u, &gpio_out_config); + PORT_SetPinConfig(PORTB, 8u, &od_config); /* MCU_INT3 */ + GPIO_PinInit(GPIOE, 26u, &gpio_out_config); + PORT_SetPinConfig(PORTE, 26u, &od_config); /* MCU_INT4 */ + } |