5.2.1 - Updated I2C files
Dependents: mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510
targets/TARGET_Freescale/TARGET_KLXX/sleep.c@1:f30bdcd2b33b, 2017-02-27 (annotated)
- Committer:
- jacobjohnson
- Date:
- Mon Feb 27 17:45:05 2017 +0000
- Revision:
- 1:f30bdcd2b33b
- Parent:
- 0:098463de4c5d
changed the inputscale from 1 to 7 in analogin_api.c. This will need to be changed later, and accessed from the main level, but for now this allows the adc to read a value from 0 to 3.7V, instead of just up to 1V.;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
group-onsemi | 0:098463de4c5d | 1 | /* mbed Microcontroller Library |
group-onsemi | 0:098463de4c5d | 2 | * Copyright (c) 2006-2013 ARM Limited |
group-onsemi | 0:098463de4c5d | 3 | * |
group-onsemi | 0:098463de4c5d | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
group-onsemi | 0:098463de4c5d | 5 | * you may not use this file except in compliance with the License. |
group-onsemi | 0:098463de4c5d | 6 | * You may obtain a copy of the License at |
group-onsemi | 0:098463de4c5d | 7 | * |
group-onsemi | 0:098463de4c5d | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
group-onsemi | 0:098463de4c5d | 9 | * |
group-onsemi | 0:098463de4c5d | 10 | * Unless required by applicable law or agreed to in writing, software |
group-onsemi | 0:098463de4c5d | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
group-onsemi | 0:098463de4c5d | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
group-onsemi | 0:098463de4c5d | 13 | * See the License for the specific language governing permissions and |
group-onsemi | 0:098463de4c5d | 14 | * limitations under the License. |
group-onsemi | 0:098463de4c5d | 15 | */ |
group-onsemi | 0:098463de4c5d | 16 | #include "sleep_api.h" |
group-onsemi | 0:098463de4c5d | 17 | #include "cmsis.h" |
group-onsemi | 0:098463de4c5d | 18 | #include "PeripheralPins.h" |
group-onsemi | 0:098463de4c5d | 19 | |
group-onsemi | 0:098463de4c5d | 20 | //Normal wait mode |
group-onsemi | 0:098463de4c5d | 21 | void sleep(void) |
group-onsemi | 0:098463de4c5d | 22 | { |
group-onsemi | 0:098463de4c5d | 23 | SMC->PMPROT = SMC_PMPROT_AVLLS_MASK | SMC_PMPROT_ALLS_MASK | SMC_PMPROT_AVLP_MASK; |
group-onsemi | 0:098463de4c5d | 24 | |
group-onsemi | 0:098463de4c5d | 25 | //Normal sleep mode for ARM core: |
group-onsemi | 0:098463de4c5d | 26 | SCB->SCR = 0; |
group-onsemi | 0:098463de4c5d | 27 | __WFI(); |
group-onsemi | 0:098463de4c5d | 28 | } |
group-onsemi | 0:098463de4c5d | 29 | |
group-onsemi | 0:098463de4c5d | 30 | //Very low-power stop mode |
group-onsemi | 0:098463de4c5d | 31 | void deepsleep(void) |
group-onsemi | 0:098463de4c5d | 32 | { |
group-onsemi | 0:098463de4c5d | 33 | //Check if ADC is enabled and HS mode is set, if yes disable it (lowers power consumption by 60uA) |
group-onsemi | 0:098463de4c5d | 34 | uint8_t ADC_HSC = 0; |
group-onsemi | 0:098463de4c5d | 35 | if (SIM->SCGC6 & SIM_SCGC6_ADC0_MASK) { |
group-onsemi | 0:098463de4c5d | 36 | if (ADC0->CFG2 & ADC_CFG2_ADHSC_MASK) { |
group-onsemi | 0:098463de4c5d | 37 | ADC_HSC = 1; |
group-onsemi | 0:098463de4c5d | 38 | ADC0->CFG2 &= ~(ADC_CFG2_ADHSC_MASK); |
group-onsemi | 0:098463de4c5d | 39 | } |
group-onsemi | 0:098463de4c5d | 40 | } |
group-onsemi | 0:098463de4c5d | 41 | |
group-onsemi | 0:098463de4c5d | 42 | #if ! defined(TARGET_KL43Z) |
group-onsemi | 0:098463de4c5d | 43 | //Check if PLL/FLL is enabled: |
group-onsemi | 0:098463de4c5d | 44 | uint32_t PLL_FLL_en = (MCG->C1 & MCG_C1_CLKS_MASK) == MCG_C1_CLKS(0); |
group-onsemi | 0:098463de4c5d | 45 | #endif |
group-onsemi | 0:098463de4c5d | 46 | |
group-onsemi | 0:098463de4c5d | 47 | SMC->PMPROT = SMC_PMPROT_AVLLS_MASK | SMC_PMPROT_ALLS_MASK | SMC_PMPROT_AVLP_MASK; |
group-onsemi | 0:098463de4c5d | 48 | SMC->PMCTRL = SMC_PMCTRL_STOPM(2); |
group-onsemi | 0:098463de4c5d | 49 | |
group-onsemi | 0:098463de4c5d | 50 | //Deep sleep for ARM core: |
group-onsemi | 0:098463de4c5d | 51 | SCB->SCR = 1<<SCB_SCR_SLEEPDEEP_Pos; |
group-onsemi | 0:098463de4c5d | 52 | |
group-onsemi | 0:098463de4c5d | 53 | __WFI(); |
group-onsemi | 0:098463de4c5d | 54 | |
group-onsemi | 0:098463de4c5d | 55 | #if ! defined(TARGET_KL43Z) |
group-onsemi | 0:098463de4c5d | 56 | //Switch back to PLL as clock source if needed |
group-onsemi | 0:098463de4c5d | 57 | //The interrupt that woke up the device will run at reduced speed |
group-onsemi | 0:098463de4c5d | 58 | if (PLL_FLL_en) { |
group-onsemi | 0:098463de4c5d | 59 | #ifdef MCG_C5_PLLCLKEN0_MASK //PLL available |
group-onsemi | 0:098463de4c5d | 60 | if (MCG->C6 & (1<<MCG_C6_PLLS_SHIFT) != 0) /* If PLL */ |
group-onsemi | 0:098463de4c5d | 61 | while((MCG->S & MCG_S_LOCK0_MASK) == 0x00U); /* Wait until locked */ |
group-onsemi | 0:098463de4c5d | 62 | #endif |
group-onsemi | 0:098463de4c5d | 63 | MCG->C1 &= ~MCG_C1_CLKS_MASK; |
group-onsemi | 0:098463de4c5d | 64 | } |
group-onsemi | 0:098463de4c5d | 65 | #endif |
group-onsemi | 0:098463de4c5d | 66 | |
group-onsemi | 0:098463de4c5d | 67 | if (ADC_HSC) { |
group-onsemi | 0:098463de4c5d | 68 | ADC0->CFG2 |= (ADC_CFG2_ADHSC_MASK); |
group-onsemi | 0:098463de4c5d | 69 | } |
group-onsemi | 0:098463de4c5d | 70 | } |