/*FUNCTION**********************************************************************
*
* Function Name : gpio_clear_pin_interrupt_flag
* Description : Clear individual GPIO pin interrupt status flag.
*
*END**************************************************************************/
void gpio_clear_pin_interrupt_flag(uint32_t pinName)
{
uint32_t gpioInstance = GPIO_EXTRACT_PORT(pinName);
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
port_hal_clear_pin_interrupt_flag(gpioInstance, pin);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_WritePinOutput
* Description : Set output level of individual GPIO pin to logic 1 or 0.
*
*END**************************************************************************/
void GPIO_DRV_WritePinOutput(uint32_t pinName, uint32_t output)
{
uint32_t gpioBaseAddr = g_gpioBaseAddr[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
GPIO_HAL_WritePinOutput(gpioBaseAddr, pin, output);
}
/*FUNCTION**********************************************************************
*
* Function Name : gpio_write_pin_output
* Description : Set output level of individual GPIO pin to logic 1 or 0.
*
*END**************************************************************************/
void gpio_write_pin_output(uint32_t pinName, uint32_t output)
{
uint32_t gpioInstance = GPIO_EXTRACT_PORT(pinName);
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
gpio_hal_write_pin_output(gpioInstance, pin, output);
}
/*FUNCTION**********************************************************************
*
* Function Name : gpio_read_pin_input
* Description : Read current input value of individual GPIO pin.
*
*END**************************************************************************/
uint32_t gpio_read_pin_input(uint32_t pinName)
{
uint32_t gpioInstance = GPIO_EXTRACT_PORT(pinName);
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
return gpio_hal_read_pin_input(gpioInstance, pin);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_InputPinInit
* Description : Initialize one GPIO input pin used by board.
*
*END**************************************************************************/
void GPIO_DRV_InputPinInit(const gpio_input_pin_user_config_t *inputPin)
{
/* Get actual port and pin number.*/
uint32_t port = GPIO_EXTRACT_PORT(inputPin->pinName);
uint32_t pin = GPIO_EXTRACT_PIN(inputPin->pinName);
uint32_t gpioBaseAddr = g_gpioBaseAddr[port];
uint32_t portBaseAddr = g_portBaseAddr[port];
/* Un-gate port clock*/
CLOCK_SYS_EnablePortClock(port);
/* Set current pin as digital input.*/
GPIO_HAL_SetPinDir(gpioBaseAddr, pin, kGpioDigitalInput);
/* Configure GPIO input features. */
PORT_HAL_SetPullCmd(portBaseAddr, pin, inputPin->config.isPullEnable);
PORT_HAL_SetPullMode(portBaseAddr, pin, inputPin->config.pullSelect);
PORT_HAL_SetPassiveFilterCmd(portBaseAddr, pin,
inputPin->config.isPassiveFilterEnabled);
#if FSL_FEATURE_PORT_HAS_DIGITAL_FILTER
PORT_HAL_SetDigitalFilterCmd(portBaseAddr, pin,
inputPin->config.isDigitalFilterEnabled);
#endif
PORT_HAL_SetPinIntMode(portBaseAddr, pin, inputPin->config.interrupt);
/* Configure NVIC */
if ((inputPin->config.interrupt) && (g_portIrqId[port]))
{
/* Enable GPIO interrupt.*/
INT_SYS_EnableIRQ(g_portIrqId[port]);
}
}
/*FUNCTION**********************************************************************
*
* Function Name : gpio_get_pin_direction
* Description : Get current direction of individual GPIO pin.
*
*END**************************************************************************/
uint32_t gpio_get_pin_direction(uint32_t pinName)
{
uint32_t gpioInstance = GPIO_EXTRACT_PORT(pinName);
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
return gpio_hal_get_pin_direction(gpioInstance, pin);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_IsPinIntPending
* Description : Read the individual pin-interrupt status flag.
*
*END**************************************************************************/
bool GPIO_DRV_IsPinIntPending(uint32_t pinName)
{
PORT_Type * portBase = g_portBase[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
return PORT_HAL_IsPinIntPending(portBase, pin);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_SetDigitalFilterCmd
* Description : Enable or disable digital filter in one single port.
*
*END**************************************************************************/
void GPIO_DRV_SetDigitalFilterCmd(uint32_t pinName, bool isDigitalFilterEnabled)
{
uint32_t portBaseAddr = g_portBaseAddr[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
PORT_HAL_SetDigitalFilterCmd(portBaseAddr, pin, isDigitalFilterEnabled);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_TogglePinOutput
* Description : Reverse current output logic of individual GPIO pin.
*
*END**************************************************************************/
void GPIO_DRV_TogglePinOutput(uint32_t pinName)
{
GPIO_Type * gpioBase = g_gpioBase[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
GPIO_HAL_TogglePinOutput(gpioBase, pin);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_ReadPinInput
* Description : Read current input value of individual GPIO pin.
*
*END**************************************************************************/
uint32_t GPIO_DRV_ReadPinInput(uint32_t pinName)
{
GPIO_Type * gpioBase = g_gpioBase[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
return GPIO_HAL_ReadPinInput(gpioBase, pin);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_WritePinOutput
* Description : Set output level of individual GPIO pin to logic 1 or 0.
*
*END**************************************************************************/
void GPIO_DRV_WritePinOutput(uint32_t pinName, uint32_t output)
{
GPIO_Type * gpioBase = g_gpioBase[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
GPIO_HAL_WritePinOutput(gpioBase, pin, output);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_SetPinDir
* Description : Set current direction of individual GPIO pin.
*
*END**************************************************************************/
void GPIO_DRV_SetPinDir(uint32_t pinName, gpio_pin_direction_t direction)
{
GPIO_Type * gpioBase = g_gpioBase[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
GPIO_HAL_SetPinDir(gpioBase, pin, direction);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_GetPinDir
* Description : Get current direction of individual GPIO pin.
*
*END**************************************************************************/
gpio_pin_direction_t GPIO_DRV_GetPinDir(uint32_t pinName)
{
GPIO_Type * gpioBase = g_gpioBase[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
return GPIO_HAL_GetPinDir(gpioBase, pin);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_OutputPinInit
* Description : Initialize one GPIO output pin used by board.
*
*END**************************************************************************/
void GPIO_DRV_OutputPinInit(const gpio_output_pin_user_config_t *outputPin)
{
/* Get actual port and pin number.*/
uint32_t port = GPIO_EXTRACT_PORT(outputPin->pinName);
uint32_t pin = GPIO_EXTRACT_PIN(outputPin->pinName);
GPIO_Type * gpioBase = g_gpioBase[port];
PORT_Type * portBase = g_portBase[port];
/* Un-gate port clock*/
CLOCK_SYS_EnablePortClock(port);
/* Set current pin as gpio.*/
PORT_HAL_SetMuxMode(portBase, pin, kPortMuxAsGpio);
/* Set current pin as digital output.*/
GPIO_HAL_SetPinDir(gpioBase, pin, kGpioDigitalOutput);
/* Configure GPIO output features. */
GPIO_HAL_WritePinOutput(gpioBase, pin, outputPin->config.outputLogic);
#if FSL_FEATURE_PORT_HAS_SLEW_RATE
PORT_HAL_SetSlewRateMode(portBase, pin, outputPin->config.slewRate);
#endif
#if FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH
PORT_HAL_SetDriveStrengthMode(portBase, pin, outputPin->config.driveStrength);
#endif
#if FSL_FEATURE_PORT_HAS_OPEN_DRAIN
PORT_HAL_SetOpenDrainCmd(portBase, pin, outputPin->config.isOpenDrainEnabled);
#endif
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_ClearPinIntFlag
* Description : Clear individual GPIO pin interrupt status flag.
*
*END**************************************************************************/
void GPIO_DRV_ClearPinIntFlag(uint32_t pinName)
{
PORT_Type * portBase = g_portBase[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
PORT_HAL_ClearPinIntFlag(portBase, pin);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_ReadPinInput
* Description : Read current input value of individual GPIO pin.
*
*END**************************************************************************/
uint32_t GPIO_DRV_ReadPinInput(uint32_t pinName)
{
uint32_t gpioBaseAddr = g_gpioBaseAddr[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
return GPIO_HAL_ReadPinInput(gpioBaseAddr, pin);
}
/*FUNCTION**********************************************************************
*
* Function Name : gpio_input_pin_init
* Description : Initialize one GPIO input pin used by board.
*
*END**************************************************************************/
void gpio_input_pin_init(const gpio_input_pin_user_config_t *inputPin)
{
/* Get actual port and pin number.*/
uint32_t gpioInstance = GPIO_EXTRACT_PORT(inputPin->pinName);
uint32_t pin = GPIO_EXTRACT_PIN(inputPin->pinName);
/* Un-gate port clock*/
clock_manager_set_gate(kClockModulePORT, gpioInstance, true);
/* Set current pin as digital input.*/
gpio_hal_set_pin_direction(gpioInstance, pin, kGpioDigitalInput);
/* Configure GPIO input features. */
port_hal_configure_pull(gpioInstance, pin, inputPin->config.isPullEnable);
port_hal_pull_select(gpioInstance, pin, inputPin->config.pullSelect);
port_hal_configure_passive_filter(gpioInstance, pin,
inputPin->config.isPassiveFilterEnabled);
#if FSL_FEATURE_PORT_HAS_DIGITAL_FILTER
port_hal_configure_digital_filter(gpioInstance, pin,
inputPin->config.isDigitalFilterEnabled);
#endif
port_hal_configure_pin_interrupt(gpioInstance, pin, inputPin->config.interrupt);
/* Configure NVIC */
if ((inputPin->config.interrupt) && (gpio_irq_ids[gpioInstance]))
{
/* Enable GPIO interrupt.*/
interrupt_enable(gpio_irq_ids[gpioInstance]);
}
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_ClearPinIntFlag
* Description : Clear individual GPIO pin interrupt status flag.
*
*END**************************************************************************/
void GPIO_DRV_ClearPinIntFlag(uint32_t pinName)
{
uint32_t portBaseAddr = g_portBaseAddr[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
PORT_HAL_ClearPinIntFlag(portBaseAddr, pin);
}
void hardware_init(void)
{
uint8_t i;
/* enable clock for PORTs */
for (i = 0; i < PORT_INSTANCE_COUNT; i++)
{
CLOCK_SYS_EnablePortClock(i);
}
#if (SD_CARD_APP)
#if ((defined TWR_K64F120M) || (defined FRDM_K64F) || (defined TWR_K60D100M) || (defined TWR_K21F120M) || (defined TWR_K65F180M))
/* configure detect pin as gpio (alt1) */
uint32_t port = GPIO_EXTRACT_PORT(sdhcCdPin[0].pinName);
uint32_t pin = GPIO_EXTRACT_PIN(sdhcCdPin[0].pinName);
PORT_Type * portBase = g_portBase[port];
PORT_HAL_SetMuxMode(portBase, pin, kPortMuxAsGpio);
configure_sdhc_pins(BOARD_SDHC_INSTANCE);
#endif
#endif
/* Init board clock */
BOARD_ClockInit();
dbg_uart_init();
}
GpioPin::GpioPin(uint32_t combinedPin, pin_direction_t dir)
: m_bank(GPIO_EXTRACT_BANK(combinedPin)),
m_pin(GPIO_EXTRACT_PIN(combinedPin))
{
gpio_set_gpio(m_bank, m_pin);
setDirection(dir);
}
// handler associated to SW1 (labeled SW2 on board)
void SW1_Intr_Handler(void)
{
static uint32_t c_ifsr; // port c interrupt flag status register
uint32_t c_portBaseAddr = g_portBaseAddr[GPIO_EXTRACT_PORT(kGpioSW1)];
uint32_t portPinMask = (1 << GPIO_EXTRACT_PIN(kGpioSW1));
CPU_CRITICAL_ENTER(); // enter critical section (disable interrupts)
OSIntEnter(); // notify to scheduler the beginning of an ISR ("This allows ?C/OS-III to keep track of interrupt nesting")
c_ifsr = PORT_HAL_GetPortIntFlag(c_portBaseAddr); // get intr flag reg related to port C
if( (c_ifsr & portPinMask) ) // check if kGpioSW1 generated the interrupt [pin 6 -> 7th flag (flags start with index 0)]
{
//sem_sw1_post
OSSemPost(&MySem1,
OS_OPT_POST_1 + OS_OPT_POST_NO_SCHED,
&os_err);
}
GPIO_DRV_ClearPinIntFlag( kGpioSW1 );
CPU_CRITICAL_EXIT(); // renable interrupts
OSIntExit(); /* notify to scheduler the end of an ISR ("determines if a higher priority task is ready-to-run.
If so, the interrupt returns to the higher priority task instead of the interrupted task.") */
}
/*FUNCTION**********************************************************************
*
* Function Name : gpio_set_pin_direction
* Description : Set current direction of individual GPIO pin.
*
*END**************************************************************************/
void gpio_set_pin_direction(uint32_t pinName, gpio_pin_direction_t direction)
{
uint32_t gpioInstance = GPIO_EXTRACT_PORT(pinName);
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
gpio_hal_set_pin_direction(gpioInstance, pin, direction);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_GetPinDir
* Description : Get current direction of individual GPIO pin.
*
*END**************************************************************************/
gpio_pin_direction_t GPIO_DRV_GetPinDir(uint32_t pinName)
{
uint32_t gpioBaseAddr = g_gpioBaseAddr[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
return GPIO_HAL_GetPinDir(gpioBaseAddr, pin);
}
/*FUNCTION**********************************************************************
*
* Function Name : gpio_toggle_pin_output
* Description : Reverse current output logic of individual GPIO pin.
*
*END**************************************************************************/
void gpio_toggle_pin_output(uint32_t pinName)
{
uint32_t gpioInstance = GPIO_EXTRACT_PORT(pinName);
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
gpio_hal_toggle_pin_output(gpioInstance, pin);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_SetPinDir
* Description : Set current direction of individual GPIO pin.
*
*END**************************************************************************/
void GPIO_DRV_SetPinDir(uint32_t pinName, gpio_pin_direction_t direction)
{
uint32_t gpioBaseAddr = g_gpioBaseAddr[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
GPIO_HAL_SetPinDir(gpioBaseAddr, pin, direction);
}
/*FUNCTION**********************************************************************
*
* Function Name : gpio_configure_digital_filter
* Description : Enable or disable digital filter in one single port.
*
*END**************************************************************************/
void gpio_configure_digital_filter(uint32_t pinName, bool isDigitalFilterEnabled)
{
uint32_t gpioInstance = GPIO_EXTRACT_PORT(pinName);
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
port_hal_configure_digital_filter(gpioInstance, pin, isDigitalFilterEnabled);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_TogglePinOutput
* Description : Reverse current output logic of individual GPIO pin.
*
*END**************************************************************************/
void GPIO_DRV_TogglePinOutput(uint32_t pinName)
{
uint32_t gpioBaseAddr = g_gpioBaseAddr[GPIO_EXTRACT_PORT(pinName)];
uint32_t pin = GPIO_EXTRACT_PIN(pinName);
GPIO_HAL_TogglePinOutput(gpioBaseAddr, pin);
}
/*!
* @brief gpio IRQ handler with the same name in startup code
*/
void BOARD_SDHC_CD_GPIO_IRQ_HANDLER(void)
{
PORT_Type * gpioBase = g_portBase[GPIO_EXTRACT_PORT(kGpioSdhc0Cd)];
uint32_t pin = GPIO_EXTRACT_PIN(kGpioSdhc0Cd);
if(PORT_HAL_GetPortIntFlag(gpioBase) == (1 << pin))
{
sdhc_card_detection();
}
/* Clear interrupt flag.*/
PORT_HAL_ClearPortIntFlag(gpioBase);
}
/*!
* @brief gpio IRQ handler with the same name in startup code
*/
void SDCARD_CD_GPIO_IRQ_HANDLER(void)
{
PORT_Type * gpioBase = g_portBase[GPIO_EXTRACT_PORT(kGpioSdcardCardDetection)];
uint32_t pin = GPIO_EXTRACT_PIN(kGpioSdcardCardDetection);
if(PORT_HAL_GetPortIntFlag(gpioBase) == (1 << pin))
{
spiSDcard_card_detection();
}
/* Clear interrupt flag.*/
PORT_HAL_ClearPortIntFlag(gpioBase);
}
/*FUNCTION**********************************************************************
*
* Function Name : GPIO_DRV_InputPinInit
* Description : Initialize one GPIO input pin used by board.
*
*END**************************************************************************/
void GPIO_DRV_InputPinInit(const gpio_input_pin_user_config_t *inputPin)
{
/* Get actual port and pin number.*/
uint32_t port = GPIO_EXTRACT_PORT(inputPin->pinName);
uint32_t pin = GPIO_EXTRACT_PIN(inputPin->pinName);
GPIO_Type * gpioBase = g_gpioBase[port];
PORT_Type * portBase = g_portBase[port];
/* Un-gate port clock*/
CLOCK_SYS_EnablePortClock(port);
/* Set current pin as gpio.*/
PORT_HAL_SetMuxMode(portBase, pin, kPortMuxAsGpio);
/* Set current pin as digital input.*/
GPIO_HAL_SetPinDir(gpioBase, pin, kGpioDigitalInput);
/* Configure GPIO input features. */
#if FSL_FEATURE_PORT_HAS_PULL_ENABLE
PORT_HAL_SetPullCmd(portBase, pin, inputPin->config.isPullEnable);
#endif
#if FSL_FEATURE_PORT_HAS_PULL_SELECTION
PORT_HAL_SetPullMode(portBase, pin, inputPin->config.pullSelect);
#endif
#if FSL_FEATURE_PORT_HAS_PASSIVE_FILTER
PORT_HAL_SetPassiveFilterCmd(portBase, pin,
inputPin->config.isPassiveFilterEnabled);
#endif
#if FSL_FEATURE_PORT_HAS_DIGITAL_FILTER
PORT_HAL_SetDigitalFilterCmd(portBase, pin,
inputPin->config.isDigitalFilterEnabled);
#endif
#if FSL_FEATURE_GPIO_HAS_INTERRUPT_VECTOR
PORT_HAL_SetPinIntMode(portBase, pin, inputPin->config.interrupt);
/* Configure NVIC */
if ((inputPin->config.interrupt) && (g_portIrqId[port]))
{
/* Enable GPIO interrupt.*/
INT_SYS_EnableIRQ(g_portIrqId[port]);
}
#endif
}
