mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
Diff: targets/hal/TARGET_NXP/TARGET_LPC11UXX/pinmap.c
- Revision:
- 227:7bd0639b8911
- Parent:
- 19:398f4c622e1b
- Child:
- 250:a49055e7a707
diff -r b062af740e40 -r 7bd0639b8911 targets/hal/TARGET_NXP/TARGET_LPC11UXX/pinmap.c --- a/targets/hal/TARGET_NXP/TARGET_LPC11UXX/pinmap.c Wed Jun 11 09:45:09 2014 +0100 +++ b/targets/hal/TARGET_NXP/TARGET_LPC11UXX/pinmap.c Wed Jun 11 16:00:09 2014 +0100 @@ -13,6 +13,7 @@ * See the License for the specific language governing permissions and * limitations under the License. */ +#include "mbed_assert.h" #include "pinmap.h" #include "error.h" @@ -20,27 +21,27 @@ #define LPC_IOCON1_BASE (LPC_IOCON_BASE + 0x60) void pin_function(PinName pin, int function) { + MBED_ASSERT(pin != (PinName)NC); if (pin == (PinName)NC) return; uint32_t pin_number = (uint32_t)pin; __IO uint32_t *reg = (pin_number < 32) ? - (__IO uint32_t*)(LPC_IOCON0_BASE + 4 * pin_number) : - (__IO uint32_t*)(LPC_IOCON1_BASE + 4 * (pin_number - 32)); + (__IO uint32_t*)(LPC_IOCON0_BASE + 4 * pin_number) : + (__IO uint32_t*)(LPC_IOCON1_BASE + 4 * (pin_number - 32)); // pin function bits: [2:0] -> 111 = (0x7) *reg = (*reg & ~0x7) | (function & 0x7); } void pin_mode(PinName pin, PinMode mode) { - if (pin == (PinName)NC) { return; } - + MBED_ASSERT(pin != (PinName)NC); uint32_t pin_number = (uint32_t)pin; uint32_t drain = ((uint32_t) mode & (uint32_t) OpenDrain) >> 2; __IO uint32_t *reg = (pin_number < 32) ? - (__IO uint32_t*)(LPC_IOCON0_BASE + 4 * pin_number) : - (__IO uint32_t*)(LPC_IOCON1_BASE + 4 * (pin_number - 32)); + (__IO uint32_t*)(LPC_IOCON0_BASE + 4 * pin_number) : + (__IO uint32_t*)(LPC_IOCON1_BASE + 4 * (pin_number - 32)); uint32_t tmp = *reg; // pin mode bits: [4:3] -> 11000 = (0x3 << 3)