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Dependencies: BLE_API nRF51822
Fork of BLE_NODE_TEST by
power.c@11:22480ac31879, 2014-11-27 (annotated)
- Committer:
- yihui
- Date:
- Thu Nov 27 09:30:36 2014 +0000
- Revision:
- 11:22480ac31879
- Parent:
- 9:05f0b5a3a70a
change to new revision hardware
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
yihui | 9:05f0b5a3a70a | 1 | |
yihui | 9:05f0b5a3a70a | 2 | #include "nrf51.h" |
yihui | 9:05f0b5a3a70a | 3 | #include "nrf51_bitfields.h" |
yihui | 9:05f0b5a3a70a | 4 | |
yihui | 9:05f0b5a3a70a | 5 | #define POWER_PIN 8 |
yihui | 9:05f0b5a3a70a | 6 | |
yihui | 9:05f0b5a3a70a | 7 | void power_on() |
yihui | 9:05f0b5a3a70a | 8 | { |
yihui | 9:05f0b5a3a70a | 9 | NRF_GPIO->PIN_CNF[POWER_PIN] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) |
yihui | 9:05f0b5a3a70a | 10 | | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
yihui | 9:05f0b5a3a70a | 11 | | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) |
yihui | 9:05f0b5a3a70a | 12 | | (GPIO_PIN_CNF_INPUT_Disconnect << GPIO_PIN_CNF_INPUT_Pos) |
yihui | 9:05f0b5a3a70a | 13 | | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos); |
yihui | 9:05f0b5a3a70a | 14 | NRF_GPIO->OUTSET = (1UL << POWER_PIN); |
yihui | 9:05f0b5a3a70a | 15 | } |
yihui | 9:05f0b5a3a70a | 16 | |
yihui | 9:05f0b5a3a70a | 17 | |
yihui | 9:05f0b5a3a70a | 18 | void power_off() |
yihui | 9:05f0b5a3a70a | 19 | { |
yihui | 9:05f0b5a3a70a | 20 | NRF_GPIO->OUTCLR = (1UL << POWER_PIN); |
yihui | 9:05f0b5a3a70a | 21 | |
yihui | 9:05f0b5a3a70a | 22 | // Enter system OFF. After wakeup the chip will be reset, and the MCU will run from the top |
yihui | 9:05f0b5a3a70a | 23 | NRF_POWER->SYSTEMOFF = 1; |
yihui | 9:05f0b5a3a70a | 24 | } |