-/**************************************************************************/
-/*!
- @brief Gets the value for a specific port pin
-
- @param[in] portNum
- The port number (0..3)
- @param[in] bitPos
- The bit position (0..31)
-
- @return The current value for the specified port pin (0..1)
-*/
-/**************************************************************************/
-uint32_t gpioGetValue (uint32_t portNum, uint32_t bitPos)
-{
- if (!_gpioInitialised) gpioInit();
-
- uint32_t value = 0;
-
- switch (portNum)
- {
- case 0:
- value = (GPIO_GPIO0DATA & (1 << bitPos)) ? 1 : 0;
- break;
- case 1:
- value = (GPIO_GPIO1DATA & (1 << bitPos)) ? 1 : 0;
- break;
- case 2:
- value = (GPIO_GPIO2DATA & (1 << bitPos)) ? 1 : 0;
- break;
- case 3:
- value = (GPIO_GPIO3DATA & (1 << bitPos)) ? 1 : 0;
- break;
- default:
- break;
- }
-
- return value;
-}
-
-/**************************************************************************/
-/*!
- @brief Sets the value for a specific port pin (only relevant when a
- pin is configured as output).
-
- @param[in] portNum
- The port number (0..3)
- @param[in] bitPos
- The bit position (0..31)
- @param[in] bitValue
- The value to set for the specified bit (0..1). 0 will set
- the pin low and 1 will set the pin high.
-*/
-/**************************************************************************/
-inline void gpioSetValue (const uint32_t portNum, const uint32_t bitPos, const uint32_t bitVal)
-{
- if (!_gpioInitialised) gpioInit();
-
- // Take advantage of the fact the GPIO registers are bit-banded
- (*(pREG32 ((GPIO_GPIO0_BASE + (portNum << 16)) + ((1 << bitPos) << 2)))) = bitVal ? 0xFFF : 0;
-}
-