test
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Diff: targets/TARGET_ONSEMI/TARGET_NCS36510/gpio_api.c
- Revision:
- 150:02e0a0aed4ec
- Parent:
- 149:156823d33999
--- a/targets/TARGET_ONSEMI/TARGET_NCS36510/gpio_api.c Fri Oct 28 11:17:30 2016 +0100 +++ b/targets/TARGET_ONSEMI/TARGET_NCS36510/gpio_api.c Tue Nov 08 17:45:16 2016 +0000 @@ -109,9 +109,6 @@ /** - Get PAD IO register address for the PAD number */ PadReg_t *PadRegOffset = (PadReg_t*)(PADREG_BASE + (pin * PAD_REG_ADRS_BYTE_SIZE)); - /* - Disable the GPIO clock */ - CLOCK_DISABLE(CLOCK_GPIO); - /** - Enable the clock for PAD peripheral device */ CLOCK_ENABLE(CLOCK_PAD); @@ -142,7 +139,7 @@ */ void gpio_dir(gpio_t *obj, PinDirection direction) { - /* Enable the GPIO clock */ + /* Enable the GPIO clock which may have been switched off by other drivers */ CLOCK_ENABLE(CLOCK_GPIO); if (direction == PIN_INPUT) { @@ -151,8 +148,6 @@ obj->GPIOMEMBASE->W_OUT = obj->gpioMask; } - /* - Disable the GPIO clock */ - CLOCK_DISABLE(CLOCK_GPIO); } /** Set the output value @@ -162,7 +157,8 @@ */ void gpio_write(gpio_t *obj, int value) { - /* Enable the GPIO clock */ + + /* Enable the GPIO clock which may have been switched off by other drivers */ CLOCK_ENABLE(CLOCK_GPIO); /* Set the GPIO based on value */ @@ -172,8 +168,6 @@ obj->GPIOMEMBASE->R_IRQ_W_CLEAR = obj->gpioMask; } - /* - Disable the GPIO clock */ - CLOCK_DISABLE(CLOCK_GPIO); } /** Read the input value @@ -185,13 +179,23 @@ { int ret; - /* Enable the GPIO clock */ + /* Enable the GPIO clock which may have been switched off by other drivers */ CLOCK_ENABLE(CLOCK_GPIO); ret = (obj->GPIOMEMBASE->R_STATE_W_SET & obj->gpioMask) ? 1: 0; - /* - Disable the GPIO clock */ - CLOCK_DISABLE(CLOCK_GPIO); - return ret; } + +/* Checks if gpio object is connected (pin was not initialized with NC) + * @param pin The pin to be set as GPIO + * @return 0 if port is initialized with NC + **/ +int gpio_is_connected(const gpio_t *obj) +{ + if(obj->gpioPin != (PinName)NC) { + return 1; + } else { + return 0; + } +}