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テスト用です。
nRF51822_wallbot/nordic/nrf-sdk/nrf_delay.h@0:8468a4403fea, 2016-10-11 (annotated)
- Committer:
- jksoft
- Date:
- Tue Oct 11 11:09:42 2016 +0000
- Revision:
- 0:8468a4403fea
SB??ver;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jksoft | 0:8468a4403fea | 1 | #ifndef _NRF_DELAY_H |
jksoft | 0:8468a4403fea | 2 | #define _NRF_DELAY_H |
jksoft | 0:8468a4403fea | 3 | |
jksoft | 0:8468a4403fea | 4 | // #include "nrf.h" |
jksoft | 0:8468a4403fea | 5 | |
jksoft | 0:8468a4403fea | 6 | /*lint --e{438, 522} "Variable not used" "Function lacks side-effects" */ |
jksoft | 0:8468a4403fea | 7 | #if defined ( __CC_ARM ) |
jksoft | 0:8468a4403fea | 8 | static __ASM void __INLINE nrf_delay_us(uint32_t volatile number_of_us) |
jksoft | 0:8468a4403fea | 9 | { |
jksoft | 0:8468a4403fea | 10 | loop |
jksoft | 0:8468a4403fea | 11 | SUBS R0, R0, #1 |
jksoft | 0:8468a4403fea | 12 | NOP |
jksoft | 0:8468a4403fea | 13 | NOP |
jksoft | 0:8468a4403fea | 14 | NOP |
jksoft | 0:8468a4403fea | 15 | NOP |
jksoft | 0:8468a4403fea | 16 | NOP |
jksoft | 0:8468a4403fea | 17 | NOP |
jksoft | 0:8468a4403fea | 18 | NOP |
jksoft | 0:8468a4403fea | 19 | NOP |
jksoft | 0:8468a4403fea | 20 | NOP |
jksoft | 0:8468a4403fea | 21 | NOP |
jksoft | 0:8468a4403fea | 22 | NOP |
jksoft | 0:8468a4403fea | 23 | NOP |
jksoft | 0:8468a4403fea | 24 | BNE loop |
jksoft | 0:8468a4403fea | 25 | BX LR |
jksoft | 0:8468a4403fea | 26 | } |
jksoft | 0:8468a4403fea | 27 | #elif defined ( __ICCARM__ ) |
jksoft | 0:8468a4403fea | 28 | static void __INLINE nrf_delay_us(uint32_t volatile number_of_us) |
jksoft | 0:8468a4403fea | 29 | { |
jksoft | 0:8468a4403fea | 30 | __ASM ( |
jksoft | 0:8468a4403fea | 31 | "loop:\n\t" |
jksoft | 0:8468a4403fea | 32 | " SUBS R0, R0, #1\n\t" |
jksoft | 0:8468a4403fea | 33 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 34 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 35 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 36 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 37 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 38 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 39 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 40 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 41 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 42 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 43 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 44 | " NOP\n\t" |
jksoft | 0:8468a4403fea | 45 | " BNE loop\n\t"); |
jksoft | 0:8468a4403fea | 46 | } |
jksoft | 0:8468a4403fea | 47 | #elif defined ( __GNUC__ ) |
jksoft | 0:8468a4403fea | 48 | static void __INLINE nrf_delay_us(uint32_t volatile number_of_us) |
jksoft | 0:8468a4403fea | 49 | { |
jksoft | 0:8468a4403fea | 50 | do |
jksoft | 0:8468a4403fea | 51 | { |
jksoft | 0:8468a4403fea | 52 | __ASM volatile ( |
jksoft | 0:8468a4403fea | 53 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 54 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 55 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 56 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 57 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 58 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 59 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 60 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 61 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 62 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 63 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 64 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 65 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 66 | "NOP\n\t" |
jksoft | 0:8468a4403fea | 67 | ); |
jksoft | 0:8468a4403fea | 68 | } while (--number_of_us); |
jksoft | 0:8468a4403fea | 69 | } |
jksoft | 0:8468a4403fea | 70 | #endif |
jksoft | 0:8468a4403fea | 71 | |
jksoft | 0:8468a4403fea | 72 | void nrf_delay_ms(uint32_t volatile number_of_ms); |
jksoft | 0:8468a4403fea | 73 | |
jksoft | 0:8468a4403fea | 74 | #endif |