Lab 1 Program C
Fork of mbed by
wait_api.h
- Committer:
- screamer
- Date:
- 2012-10-24
- Revision:
- 43:aff670d0d510
- Parent:
- 27:7110ebee3484
File content as of revision 43:aff670d0d510:
/** Generic wait functions. * * These provide simple NOP type wait capabilities. * * Example: * @code * #include "mbed.h" * * DigitalOut heartbeat(LED1); * * int main() { * while (1) { * heartbeat = 1; * wait(0.5); * heartbeat = 0; * wait(0.5); * } * } */ /* mbed Microcontroller Library - wait_api * Copyright (c) 2009 ARM Limited. All rights reserved. */ #ifndef MBED_WAIT_API_H #define MBED_WAIT_API_H #ifdef __cplusplus extern "C" { #endif /** Waits for a number of seconds, with microsecond resolution (within * the accuracy of single precision floating point). * * @param s number of seconds to wait */ void wait(float s); /** Waits a number of milliseconds. * * @param ms the whole number of milliseconds to wait */ void wait_ms(int ms); /** Waits a number of microseconds. * * @param us the whole number of microseconds to wait */ void wait_us(int us); #ifdef TARGET_LPC11U24 /** Send the microcontroller to sleep * * The processor is setup ready for sleep, and sent to sleep using __WFI(). In this mode, the * system clock to the core is stopped until a reset or an interrupt occurs. This eliminates * dynamic power used by the processor, memory systems and buses. The processor, peripheral and * memory state are maintained, and the peripherals continue to work and can generate interrupts. * * The processor can be woken up by any internal peripheral interrupt or external pin interrupt. * * @note * The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored. * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be * able to access the LocalFileSystem */ void sleep(void); /** Send the microcontroller to deep sleep * * This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode * has the same sleep features as sleep plus it powers down peripherals and clocks. All state * is still maintained. * * The processor can only be woken up by an external interrupt on a pin or a watchdog timer. * * @note * The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored. * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be * able to access the LocalFileSystem */ void deepsleep(void); #endif #ifdef __cplusplus } #endif #endif