diff options
Diffstat (limited to 'bsp/lpc54114-lite/drivers/drv_gpio.c')
| -rw-r--r-- | bsp/lpc54114-lite/drivers/drv_gpio.c | 132 |
1 files changed, 66 insertions, 66 deletions
diff --git a/bsp/lpc54114-lite/drivers/drv_gpio.c b/bsp/lpc54114-lite/drivers/drv_gpio.c index 2e1b4de609..d663ae189d 100644 --- a/bsp/lpc54114-lite/drivers/drv_gpio.c +++ b/bsp/lpc54114-lite/drivers/drv_gpio.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2018, RT-Thread Development Team + * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -35,7 +35,7 @@ struct rt_pin_irq_hdr pin_irq_hdr_tab[] = {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, {-1, 0, RT_NULL, RT_NULL}, - {-1, 0, RT_NULL, RT_NULL}, + {-1, 0, RT_NULL, RT_NULL}, }; /* Configure pin mode. pin 0~63 means PIO0_0 ~ PIO1_31 */ @@ -43,46 +43,46 @@ static void lpc_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode) { int portx, piny, dir; uint32_t pin_cfg; - + if(pin > PIN_MAX_VAL) return; - + portx = get_port(pin); - piny = get_pin(pin); - + piny = get_pin(pin); + switch(mode) { - case PIN_MODE_OUTPUT: + case PIN_MODE_OUTPUT: dir = kGPIO_DigitalOutput; pin_cfg = IOCON_FUNC0 | IOCON_DIGITAL_EN; break; case PIN_MODE_OUTPUT_OD: - dir = kGPIO_DigitalOutput; - pin_cfg = IOCON_FUNC0 | IOCON_OPENDRAIN_EN | IOCON_DIGITAL_EN; + dir = kGPIO_DigitalOutput; + pin_cfg = IOCON_FUNC0 | IOCON_OPENDRAIN_EN | IOCON_DIGITAL_EN; break; - - case PIN_MODE_INPUT: + + case PIN_MODE_INPUT: dir = kGPIO_DigitalInput; pin_cfg = IOCON_FUNC0 | IOCON_INPFILT_OFF | IOCON_DIGITAL_EN; - break; + break; case PIN_MODE_INPUT_PULLUP: - dir = kGPIO_DigitalInput; + dir = kGPIO_DigitalInput; pin_cfg = IOCON_FUNC0 | IOCON_INPFILT_OFF | IOCON_DIGITAL_EN | IOCON_MODE_PULLUP; break; - case PIN_MODE_INPUT_PULLDOWN: + case PIN_MODE_INPUT_PULLDOWN: dir = kGPIO_DigitalInput; - pin_cfg = IOCON_FUNC0 | IOCON_INPFILT_OFF | IOCON_DIGITAL_EN | IOCON_MODE_PULLDOWN; + pin_cfg = IOCON_FUNC0 | IOCON_INPFILT_OFF | IOCON_DIGITAL_EN | IOCON_MODE_PULLDOWN; break; default: break; - } - - CLOCK_EnableClock(kCLOCK_Iocon); - - IOCON_PinMuxSet(IOCON, portx, piny, pin_cfg); - GPIO_PortInit(GPIO, portx); - + } + + CLOCK_EnableClock(kCLOCK_Iocon); + + IOCON_PinMuxSet(IOCON, portx, piny, pin_cfg); + GPIO_PortInit(GPIO, portx); + gpio_pin_config_t pin_config = {(gpio_pin_direction_t)dir, 0}; - GPIO_PinInit(GPIO, portx, piny, &pin_config); + GPIO_PinInit(GPIO, portx, piny, &pin_config); CLOCK_DisableClock(kCLOCK_Iocon); } @@ -91,27 +91,27 @@ static void lpc_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value) { int portx, piny; portx = get_port(pin); - piny = get_pin(pin); + piny = get_pin(pin); if(pin > PIN_MAX_VAL) return; - GPIO_PinWrite(GPIO, portx, piny, value); + GPIO_PinWrite(GPIO, portx, piny, value); } static int lpc_pin_read(rt_device_t dev, rt_base_t pin) { - int portx, piny, value; - + int portx, piny, value; + if(pin > PIN_MAX_VAL) - return RT_ERROR; - + return RT_ERROR; + portx = get_port(pin); - piny = get_pin(pin); - + piny = get_pin(pin); + value = (int)(GPIO_PinRead(GPIO, portx, piny)); - - return value; + + return value; } static void pin_irq_hdr(pint_pin_int_t pintr, uint32_t pmatch_status) @@ -124,10 +124,10 @@ static void pin_irq_hdr(pint_pin_int_t pintr, uint32_t pmatch_status) break; } } - + if(irqno >= IRQ_MAX_VAL) return; - + if (pin_irq_hdr_tab[irqno].hdr) { pin_irq_hdr_tab[irqno].hdr(pin_irq_hdr_tab[irqno].args); @@ -142,14 +142,14 @@ void callback(pint_pin_int_t pintr, uint32_t pmatch_status) static rt_err_t lpc_pin_attach_irq(struct rt_device *device, rt_int32_t pin, rt_uint32_t mode, void (*hdr)(void *args), void *args) { - int portx, piny, trigger_mode, pin_initx, pintsel, pin_cfg, i; - + int portx, piny, trigger_mode, pin_initx, pintsel, pin_cfg, i; + if(pin > PIN_MAX_VAL) - return RT_ERROR; - + return RT_ERROR; + portx = get_port(pin); - piny = get_pin(pin); - + piny = get_pin(pin); + switch (mode) { case PIN_IRQ_MODE_RISING: @@ -168,10 +168,10 @@ static rt_err_t lpc_pin_attach_irq(struct rt_device *device, rt_int32_t pin, trigger_mode = kPINT_PinIntEnableLowLevel; break; } - - /* Get inputmux_connection_t */ + + /* Get inputmux_connection_t */ pintsel = (pin + (0xC0U << 20)); - + for(i = 0; i < IRQ_MAX_VAL; i++) { if(pin_irq_hdr_tab[i].pin == -1) @@ -184,40 +184,40 @@ static rt_err_t lpc_pin_attach_irq(struct rt_device *device, rt_int32_t pin, break; } } - + if(i >= IRQ_MAX_VAL) return RT_ERROR; - + /* open clk */ CLOCK_EnableClock(kCLOCK_InputMux); CLOCK_EnableClock(kCLOCK_Iocon); - - /* AttachSignal */ + + /* AttachSignal */ INPUTMUX_AttachSignal(INPUTMUX, i, (inputmux_connection_t)pintsel); pin_cfg = ((IOCON->PIO[portx][piny] & (~(IOCON_PIO_FUNC_MASK | IOCON_PIO_DIGIMODE_MASK | IOCON_PIO_FILTEROFF_MASK))) /* Mask bits to zero which are setting */ | IOCON_PIO_FUNC(0) /* Selects pin function.: PORT18 (pin 28) is configured as PIO1_8 */ | IOCON_PIO_DIGIMODE(1) /* Select Analog/Digital mode.: Digital mode. */ | IOCON_PIO_FILTEROFF(0)); /* Controls input glitch filter.: Filter enabled. Noise pulses below approximately 10 ns are filtered out. */ - - IOCON_PinMuxSet(IOCON, portx, piny, pin_cfg); - + + IOCON_PinMuxSet(IOCON, portx, piny, pin_cfg); + /* PINT_PinInterruptConfig */ - PINT_PinInterruptConfig(PINT, (pint_pin_int_t)pin_initx, (pint_pin_enable_t)(pin_irq_hdr_tab[i].mode), callback); - + PINT_PinInterruptConfig(PINT, (pint_pin_int_t)pin_initx, (pint_pin_enable_t)(pin_irq_hdr_tab[i].mode), callback); + CLOCK_DisableClock(kCLOCK_InputMux); CLOCK_DisableClock(kCLOCK_Iocon); - + return RT_EOK; } static rt_err_t lpc_pin_detach_irq(struct rt_device *device, rt_int32_t pin) { - int i; - + int i; + if(pin > PIN_MAX_VAL) - return RT_ERROR; - + return RT_ERROR; + for(i = 0; i < IRQ_MAX_VAL; i++) { if(pin_irq_hdr_tab[i].pin == pin) @@ -228,18 +228,18 @@ static rt_err_t lpc_pin_detach_irq(struct rt_device *device, rt_int32_t pin) pin_irq_hdr_tab[i].args = RT_NULL; break; } - } + } return RT_EOK; } static rt_err_t lpc_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint32_t enabled) -{ +{ int irqn_type, i; - + if(pin > PIN_MAX_VAL) - return RT_ERROR; - + return RT_ERROR; + for(i = 0; i < IRQ_MAX_VAL; i++) { if(pin_irq_hdr_tab[i].pin == pin) @@ -273,8 +273,8 @@ static rt_err_t lpc_pin_irq_enable(struct rt_device *device, rt_base_t pin, } break; } - } - + } + if(i >= IRQ_MAX_VAL) return RT_ERROR; @@ -288,7 +288,7 @@ const static struct rt_pin_ops _lpc_pin_ops = lpc_pin_read, lpc_pin_attach_irq, lpc_pin_detach_irq, - lpc_pin_irq_enable, + lpc_pin_irq_enable, }; int rt_hw_pin_init(void) |