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TARGET_MTM_MTCONNECT04S/TOOLCHAIN_GCC_ARM/nrf_delay.h@171:3a7713b1edbc, 2018-11-08 (annotated)
- Committer:
- AnnaBridge
- Date:
- Thu Nov 08 11:45:42 2018 +0000
- Revision:
- 171:3a7713b1edbc
mbed library. Release version 164
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AnnaBridge | 171:3a7713b1edbc | 1 | #ifndef _NRF_DELAY_H |
AnnaBridge | 171:3a7713b1edbc | 2 | #define _NRF_DELAY_H |
AnnaBridge | 171:3a7713b1edbc | 3 | |
AnnaBridge | 171:3a7713b1edbc | 4 | // #include "nrf.h" |
AnnaBridge | 171:3a7713b1edbc | 5 | |
AnnaBridge | 171:3a7713b1edbc | 6 | /*lint --e{438, 522} "Variable not used" "Function lacks side-effects" */ |
AnnaBridge | 171:3a7713b1edbc | 7 | #if defined ( __CC_ARM ) |
AnnaBridge | 171:3a7713b1edbc | 8 | static __ASM void __INLINE nrf_delay_us(uint32_t volatile number_of_us) |
AnnaBridge | 171:3a7713b1edbc | 9 | { |
AnnaBridge | 171:3a7713b1edbc | 10 | loop |
AnnaBridge | 171:3a7713b1edbc | 11 | SUBS R0, R0, #1 |
AnnaBridge | 171:3a7713b1edbc | 12 | NOP |
AnnaBridge | 171:3a7713b1edbc | 13 | NOP |
AnnaBridge | 171:3a7713b1edbc | 14 | NOP |
AnnaBridge | 171:3a7713b1edbc | 15 | NOP |
AnnaBridge | 171:3a7713b1edbc | 16 | NOP |
AnnaBridge | 171:3a7713b1edbc | 17 | NOP |
AnnaBridge | 171:3a7713b1edbc | 18 | NOP |
AnnaBridge | 171:3a7713b1edbc | 19 | NOP |
AnnaBridge | 171:3a7713b1edbc | 20 | NOP |
AnnaBridge | 171:3a7713b1edbc | 21 | NOP |
AnnaBridge | 171:3a7713b1edbc | 22 | NOP |
AnnaBridge | 171:3a7713b1edbc | 23 | NOP |
AnnaBridge | 171:3a7713b1edbc | 24 | BNE loop |
AnnaBridge | 171:3a7713b1edbc | 25 | BX LR |
AnnaBridge | 171:3a7713b1edbc | 26 | } |
AnnaBridge | 171:3a7713b1edbc | 27 | #elif defined ( __ICCARM__ ) |
AnnaBridge | 171:3a7713b1edbc | 28 | static void __INLINE nrf_delay_us(uint32_t volatile number_of_us) |
AnnaBridge | 171:3a7713b1edbc | 29 | { |
AnnaBridge | 171:3a7713b1edbc | 30 | __ASM ( |
AnnaBridge | 171:3a7713b1edbc | 31 | "loop:\n\t" |
AnnaBridge | 171:3a7713b1edbc | 32 | " SUBS R0, R0, #1\n\t" |
AnnaBridge | 171:3a7713b1edbc | 33 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 34 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 35 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 36 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 37 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 38 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 39 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 40 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 41 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 42 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 43 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 44 | " NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 45 | " BNE loop\n\t"); |
AnnaBridge | 171:3a7713b1edbc | 46 | } |
AnnaBridge | 171:3a7713b1edbc | 47 | #elif defined ( __GNUC__ ) |
AnnaBridge | 171:3a7713b1edbc | 48 | static __INLINE void nrf_delay_us(uint32_t volatile number_of_us) |
AnnaBridge | 171:3a7713b1edbc | 49 | { |
AnnaBridge | 171:3a7713b1edbc | 50 | do |
AnnaBridge | 171:3a7713b1edbc | 51 | { |
AnnaBridge | 171:3a7713b1edbc | 52 | __ASM volatile ( |
AnnaBridge | 171:3a7713b1edbc | 53 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 54 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 55 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 56 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 57 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 58 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 59 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 60 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 61 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 62 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 63 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 64 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 65 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 66 | "NOP\n\t" |
AnnaBridge | 171:3a7713b1edbc | 67 | ); |
AnnaBridge | 171:3a7713b1edbc | 68 | } while (--number_of_us); |
AnnaBridge | 171:3a7713b1edbc | 69 | } |
AnnaBridge | 171:3a7713b1edbc | 70 | #endif |
AnnaBridge | 171:3a7713b1edbc | 71 | |
AnnaBridge | 171:3a7713b1edbc | 72 | void nrf_delay_ms(uint32_t volatile number_of_ms); |
AnnaBridge | 171:3a7713b1edbc | 73 | |
AnnaBridge | 171:3a7713b1edbc | 74 | #endif |