mbed library sources. Supersedes mbed-src.
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Diff: targets/hal/TARGET_NXP/TARGET_LPC11UXX/pinmap.c
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 0:9b334a45a8ff
diff -r 423e1876dc07 -r ef7eb2e8f9f7 targets/hal/TARGET_NXP/TARGET_LPC11UXX/pinmap.c --- a/targets/hal/TARGET_NXP/TARGET_LPC11UXX/pinmap.c Tue Aug 02 14:07:36 2016 +0000 +++ b/targets/hal/TARGET_NXP/TARGET_LPC11UXX/pinmap.c Fri Sep 02 15:07:44 2016 +0100 @@ -1,56 +1,56 @@ -/* mbed Microcontroller Library - * Copyright (c) 2006-2013 ARM Limited - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#include "mbed_assert.h" -#include "pinmap.h" -#include "mbed_error.h" - -#define LPC_IOCON0_BASE (LPC_IOCON_BASE) -#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)); - - // pin function bits: [2:0] -> 111 = (0x7) - *reg = (*reg & ~0x7) | (function & 0x7); -} - -void pin_mode(PinName pin, PinMode mode) { - 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)); - uint32_t tmp = *reg; - - // pin mode bits: [4:3] -> 11000 = (0x3 << 3) - tmp &= ~(0x3 << 3); - tmp |= (mode & 0x3) << 3; - - // drain - tmp &= ~(0x1 << 10); - tmp |= drain << 10; - - *reg = tmp; -} +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "mbed_assert.h" +#include "pinmap.h" +#include "mbed_error.h" + +#define LPC_IOCON0_BASE (LPC_IOCON_BASE) +#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)); + + // pin function bits: [2:0] -> 111 = (0x7) + *reg = (*reg & ~0x7) | (function & 0x7); +} + +void pin_mode(PinName pin, PinMode mode) { + 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)); + uint32_t tmp = *reg; + + // pin mode bits: [4:3] -> 11000 = (0x3 << 3) + tmp &= ~(0x3 << 3); + tmp |= (mode & 0x3) << 3; + + // drain + tmp &= ~(0x1 << 10); + tmp |= drain << 10; + + *reg = tmp; +}