Fork of mbed-src file paths change. LPC1114FN28 use only.
Fork of mbed-src by
Information
この情報は2013/10/28時点での解決方法です。
現在はmbed-src、標準ライブラリで問題なくコンパイルが可能です。
・使う物
LPC1114FN28
mbed SDK
LPC1114FN28でmbed-SDKのLibraryを使うとCompile出来ない。(2013/10/28)
パスが通ってないだけのようなのでファイルを以下に移動する。
mbed-src\targets\cmsis\TARGET_NXP\TARGET_LPC11XX_11CXX\ mbed-src\targets\cmsis\TARGET_NXP\TARGET_LPC11XX_11CXX\TARGET_LPC11XX\ |
にあるファイルをすべて
mbed-src\targets\cmsis\TARGET_NXP\ |
へ移動
mbed-src\targets\cmsis\TARGET_NXP\TARGET_LPC11XX_11CXX\にある
TOOLCHAIN_ARM_MICRO |
をフォルダごと
mbed-src\targets\cmsis\TARGET_NXP\ |
へ移動
mbed-src\targets\hal\TARGET_NXP\TARGET_LPC11XX_11CXX\ mbed-src\targets\hal\TARGET_NXP\TARGET_LPC11XX_11CXX\TARGET_LPC11XX\ |
にあるファイルをすべて
mbed-src\targets\hal\TARGET_NXP\ |
へ移動
移動後は以下のような構成になると思います。
※不要なファイルは削除してあります。
ファイルの移動が面倒なので以下に本家からフォークしたライブラリを置いておきます。
Import librarymbed-src-LPC1114FN28
Fork of mbed-src file paths change. LPC1114FN28 use only.
エラーが出力される場合
"TOOLCHAIN_ARM_MICRO"が無いとエラーになる。
Error: Undefined symbol _initial_sp (referred from entry2.o). Error: Undefined symbol _heap_base (referred from malloc.o). Error: Undefined symbol _heap_limit (referred from malloc.o). |
LPC1114FN28はMicrolibを使ってCompileされるため上記のエラーになるようです。
Diff: targets/hal/TARGET_NXP/TARGET_LPC176X/analogin_api.c
- Revision:
- 43:b3acfef78949
- Parent:
- 42:7ca0bbba899b
--- a/targets/hal/TARGET_NXP/TARGET_LPC176X/analogin_api.c Sun Oct 27 16:30:04 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,127 +0,0 @@ -/* 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 "analogin_api.h" - -#include "cmsis.h" -#include "pinmap.h" -#include "error.h" - -#define ANALOGIN_MEDIAN_FILTER 1 - -#define ADC_10BIT_RANGE 0x3FF -#define ADC_12BIT_RANGE 0xFFF - -static inline int div_round_up(int x, int y) { - return (x + (y - 1)) / y; -} - -static const PinMap PinMap_ADC[] = { - {P0_23, ADC0_0, 1}, - {P0_24, ADC0_1, 1}, - {P0_25, ADC0_2, 1}, - {P0_26, ADC0_3, 1}, - {P1_30, ADC0_4, 3}, - {P1_31, ADC0_5, 3}, - {P0_2, ADC0_7, 2}, - {P0_3, ADC0_6, 2}, - {NC, NC, 0} -}; - -#define ADC_RANGE ADC_12BIT_RANGE - -void analogin_init(analogin_t *obj, PinName pin) { - obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); - if (obj->adc == (ADCName)NC) { - error("ADC pin mapping failed"); - } - - // ensure power is turned on - LPC_SC->PCONP |= (1 << 12); - - // set PCLK of ADC to /1 - LPC_SC->PCLKSEL0 &= ~(0x3 << 24); - LPC_SC->PCLKSEL0 |= (0x1 << 24); - uint32_t PCLK = SystemCoreClock; - - // calculate minimum clock divider - // clkdiv = divider - 1 - uint32_t MAX_ADC_CLK = 13000000; - uint32_t clkdiv = div_round_up(PCLK, MAX_ADC_CLK) - 1; - - // Set the generic software-controlled ADC settings - LPC_ADC->ADCR = (0 << 0) // SEL: 0 = no channels selected - | (clkdiv << 8) // CLKDIV: PCLK max ~= 25MHz, /25 to give safe 1MHz at fastest - | (0 << 16) // BURST: 0 = software control - | (0 << 17) // CLKS: not applicable - | (1 << 21) // PDN: 1 = operational - | (0 << 24) // START: 0 = no start - | (0 << 27); // EDGE: not applicable - - pinmap_pinout(pin, PinMap_ADC); -} - -static inline uint32_t adc_read(analogin_t *obj) { - // Select the appropriate channel and start conversion - LPC_ADC->ADCR &= ~0xFF; - LPC_ADC->ADCR |= 1 << (int)obj->adc; - LPC_ADC->ADCR |= 1 << 24; - - // Repeatedly get the sample data until DONE bit - unsigned int data; - do { - data = LPC_ADC->ADGDR; - } while ((data & ((unsigned int)1 << 31)) == 0); - - // Stop conversion - LPC_ADC->ADCR &= ~(1 << 24); - - return (data >> 4) & ADC_RANGE; // 12 bit -} - -static inline void order(uint32_t *a, uint32_t *b) { - if (*a > *b) { - uint32_t t = *a; - *a = *b; - *b = t; - } -} - -static inline uint32_t adc_read_u32(analogin_t *obj) { - uint32_t value; -#if ANALOGIN_MEDIAN_FILTER - uint32_t v1 = adc_read(obj); - uint32_t v2 = adc_read(obj); - uint32_t v3 = adc_read(obj); - order(&v1, &v2); - order(&v2, &v3); - order(&v1, &v2); - value = v2; -#else - value = adc_read(obj); -#endif - return value; -} - -uint16_t analogin_read_u16(analogin_t *obj) { - uint32_t value = adc_read_u32(obj); - - return (value << 4) | ((value >> 8) & 0x000F); // 12 bit -} - -float analogin_read(analogin_t *obj) { - uint32_t value = adc_read_u32(obj); - return (float)value * (1.0f / (float)ADC_RANGE); -}