Fork of mbed-dev build 137, last build before FAT file system appears to be broken. Also reduced HSE timeout time in STM4XX HAL
Fork of mbed-dev by
targets/TARGET_NUVOTON/TARGET_M451/sleep.c@160:d5399cc887bb, 2017-03-14 (annotated)
- Committer:
- <>
- Date:
- Tue Mar 14 16:40:56 2017 +0000
- Revision:
- 160:d5399cc887bb
- Parent:
- 159:612c381a210f
This updates the lib to the mbed lib v138
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 149:156823d33999 | 1 | /* mbed Microcontroller Library |
<> | 149:156823d33999 | 2 | * Copyright (c) 2015-2016 Nuvoton |
<> | 149:156823d33999 | 3 | * |
<> | 149:156823d33999 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
<> | 149:156823d33999 | 5 | * you may not use this file except in compliance with the License. |
<> | 149:156823d33999 | 6 | * You may obtain a copy of the License at |
<> | 149:156823d33999 | 7 | * |
<> | 149:156823d33999 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
<> | 149:156823d33999 | 9 | * |
<> | 149:156823d33999 | 10 | * Unless required by applicable law or agreed to in writing, software |
<> | 149:156823d33999 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
<> | 149:156823d33999 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
<> | 149:156823d33999 | 13 | * See the License for the specific language governing permissions and |
<> | 149:156823d33999 | 14 | * limitations under the License. |
<> | 149:156823d33999 | 15 | */ |
<> | 149:156823d33999 | 16 | |
<> | 149:156823d33999 | 17 | #include "sleep_api.h" |
<> | 149:156823d33999 | 18 | #include "serial_api.h" |
<> | 149:156823d33999 | 19 | #include "lp_ticker_api.h" |
<> | 149:156823d33999 | 20 | |
<> | 149:156823d33999 | 21 | #if DEVICE_SLEEP |
<> | 149:156823d33999 | 22 | |
<> | 149:156823d33999 | 23 | #include "cmsis.h" |
<> | 149:156823d33999 | 24 | #include "device.h" |
<> | 149:156823d33999 | 25 | #include "objects.h" |
<> | 149:156823d33999 | 26 | #include "PeripheralPins.h" |
<> | 149:156823d33999 | 27 | |
<> | 149:156823d33999 | 28 | static void mbed_enter_sleep(struct sleep_s *obj); |
<> | 149:156823d33999 | 29 | static void mbed_exit_sleep(struct sleep_s *obj); |
<> | 149:156823d33999 | 30 | |
<> | 149:156823d33999 | 31 | int serial_allow_powerdown(void); |
<> | 149:156823d33999 | 32 | int spi_allow_powerdown(void); |
<> | 149:156823d33999 | 33 | int i2c_allow_powerdown(void); |
<> | 149:156823d33999 | 34 | int pwmout_allow_powerdown(void); |
<> | 149:156823d33999 | 35 | |
<> | 149:156823d33999 | 36 | /** |
<> | 149:156823d33999 | 37 | * Enter Idle mode. |
<> | 149:156823d33999 | 38 | */ |
<> | 160:d5399cc887bb | 39 | void hal_sleep(void) |
<> | 149:156823d33999 | 40 | { |
<> | 149:156823d33999 | 41 | struct sleep_s sleep_obj; |
<> | 149:156823d33999 | 42 | sleep_obj.powerdown = 0; |
<> | 149:156823d33999 | 43 | mbed_enter_sleep(&sleep_obj); |
<> | 149:156823d33999 | 44 | mbed_exit_sleep(&sleep_obj); |
<> | 149:156823d33999 | 45 | } |
<> | 149:156823d33999 | 46 | |
<> | 149:156823d33999 | 47 | /** |
<> | 149:156823d33999 | 48 | * Enter Power-down mode while no peripheral is active; otherwise, enter Idle mode. |
<> | 149:156823d33999 | 49 | */ |
<> | 160:d5399cc887bb | 50 | void hal_deepsleep(void) |
<> | 149:156823d33999 | 51 | { |
<> | 149:156823d33999 | 52 | struct sleep_s sleep_obj; |
<> | 149:156823d33999 | 53 | sleep_obj.powerdown = 1; |
<> | 149:156823d33999 | 54 | mbed_enter_sleep(&sleep_obj); |
<> | 149:156823d33999 | 55 | mbed_exit_sleep(&sleep_obj); |
<> | 149:156823d33999 | 56 | } |
<> | 149:156823d33999 | 57 | |
<> | 159:612c381a210f | 58 | static void mbed_enter_sleep(struct sleep_s *obj) |
<> | 149:156823d33999 | 59 | { |
<> | 149:156823d33999 | 60 | // Check if serial allows entering power-down mode |
<> | 149:156823d33999 | 61 | if (obj->powerdown) { |
<> | 149:156823d33999 | 62 | obj->powerdown = serial_allow_powerdown(); |
<> | 149:156823d33999 | 63 | } |
<> | 149:156823d33999 | 64 | // Check if spi allows entering power-down mode |
<> | 149:156823d33999 | 65 | if (obj->powerdown) { |
<> | 149:156823d33999 | 66 | obj->powerdown = spi_allow_powerdown(); |
<> | 149:156823d33999 | 67 | } |
<> | 149:156823d33999 | 68 | // Check if i2c allows entering power-down mode |
<> | 149:156823d33999 | 69 | if (obj->powerdown) { |
<> | 149:156823d33999 | 70 | obj->powerdown = i2c_allow_powerdown(); |
<> | 149:156823d33999 | 71 | } |
<> | 149:156823d33999 | 72 | // Check if pwmout allows entering power-down mode |
<> | 149:156823d33999 | 73 | if (obj->powerdown) { |
<> | 149:156823d33999 | 74 | obj->powerdown = pwmout_allow_powerdown(); |
<> | 149:156823d33999 | 75 | } |
<> | 149:156823d33999 | 76 | // TODO: Check if other peripherals allow entering power-down mode |
<> | 159:612c381a210f | 77 | |
<> | 149:156823d33999 | 78 | if (obj->powerdown) { // Power-down mode (HIRC/HXT disabled, LIRC/LXT enabled) |
<> | 149:156823d33999 | 79 | SYS_UnlockReg(); |
<> | 149:156823d33999 | 80 | CLK_PowerDown(); |
<> | 149:156823d33999 | 81 | SYS_LockReg(); |
<> | 149:156823d33999 | 82 | } |
<> | 149:156823d33999 | 83 | else { // CPU halt mode (HIRC/HXT enabled, LIRC/LXT enabled) |
<> | 149:156823d33999 | 84 | SYS_UnlockReg(); |
<> | 149:156823d33999 | 85 | CLK_Idle(); |
<> | 149:156823d33999 | 86 | SYS_LockReg(); |
<> | 149:156823d33999 | 87 | } |
<> | 149:156823d33999 | 88 | __NOP(); |
<> | 149:156823d33999 | 89 | __NOP(); |
<> | 149:156823d33999 | 90 | __NOP(); |
<> | 149:156823d33999 | 91 | __NOP(); |
<> | 149:156823d33999 | 92 | } |
<> | 149:156823d33999 | 93 | |
<> | 159:612c381a210f | 94 | static void mbed_exit_sleep(struct sleep_s *obj) |
<> | 149:156823d33999 | 95 | { |
<> | 149:156823d33999 | 96 | // TODO: TO BE CONTINUED |
<> | 149:156823d33999 | 97 | |
<> | 149:156823d33999 | 98 | (void)obj; |
<> | 149:156823d33999 | 99 | } |
<> | 149:156823d33999 | 100 | |
<> | 149:156823d33999 | 101 | #endif |