Nico De Witte
/
mbed_slave
mbed I2C slave memory device emulator for use with Raspberry PI
memory.cpp@4:f537311ddc53, 2014-10-14 (annotated)
- Committer:
- dwini
- Date:
- Tue Oct 14 09:10:45 2014 +0000
- Revision:
- 4:f537311ddc53
- Child:
- 5:b73ea174e997
Dried it out using OOP and also added retrieving of values.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dwini | 4:f537311ddc53 | 1 | #include "mbed.h" |
dwini | 4:f537311ddc53 | 2 | #include "memory.h" |
dwini | 4:f537311ddc53 | 3 | |
dwini | 4:f537311ddc53 | 4 | Memory::Memory() |
dwini | 4:f537311ddc53 | 5 | { |
dwini | 4:f537311ddc53 | 6 | reset(); |
dwini | 4:f537311ddc53 | 7 | } |
dwini | 4:f537311ddc53 | 8 | |
dwini | 4:f537311ddc53 | 9 | /* |
dwini | 4:f537311ddc53 | 10 | * Reset all memory locations to 0. |
dwini | 4:f537311ddc53 | 11 | */ |
dwini | 4:f537311ddc53 | 12 | void Memory::reset() |
dwini | 4:f537311ddc53 | 13 | { |
dwini | 4:f537311ddc53 | 14 | for (int i = 0; i < Memory::MEMORY_SIZE; i++) { |
dwini | 4:f537311ddc53 | 15 | this->memory[i] = -1; |
dwini | 4:f537311ddc53 | 16 | } |
dwini | 4:f537311ddc53 | 17 | } |
dwini | 4:f537311ddc53 | 18 | |
dwini | 4:f537311ddc53 | 19 | /* |
dwini | 4:f537311ddc53 | 20 | * Store value in memory |
dwini | 4:f537311ddc53 | 21 | */ |
dwini | 4:f537311ddc53 | 22 | void Memory::set(int address, int value) |
dwini | 4:f537311ddc53 | 23 | { |
dwini | 4:f537311ddc53 | 24 | if (address < Memory::MEMORY_SIZE) { |
dwini | 4:f537311ddc53 | 25 | this->memory[address] = value; |
dwini | 4:f537311ddc53 | 26 | } |
dwini | 4:f537311ddc53 | 27 | } |
dwini | 4:f537311ddc53 | 28 | |
dwini | 4:f537311ddc53 | 29 | /* |
dwini | 4:f537311ddc53 | 30 | * Retrieve value from memory |
dwini | 4:f537311ddc53 | 31 | */ |
dwini | 4:f537311ddc53 | 32 | int Memory::get(int address) |
dwini | 4:f537311ddc53 | 33 | { |
dwini | 4:f537311ddc53 | 34 | if (address < Memory::MEMORY_SIZE) { |
dwini | 4:f537311ddc53 | 35 | return this->memory[address]; |
dwini | 4:f537311ddc53 | 36 | } else { |
dwini | 4:f537311ddc53 | 37 | return 0; |
dwini | 4:f537311ddc53 | 38 | } |
dwini | 4:f537311ddc53 | 39 | } |
dwini | 4:f537311ddc53 | 40 | |
dwini | 4:f537311ddc53 | 41 | /* |
dwini | 4:f537311ddc53 | 42 | * Print current memory content to console |
dwini | 4:f537311ddc53 | 43 | */ |
dwini | 4:f537311ddc53 | 44 | void Memory::print() |
dwini | 4:f537311ddc53 | 45 | { |
dwini | 4:f537311ddc53 | 46 | int i = 0, c = 0; |
dwini | 4:f537311ddc53 | 47 | while (i < Memory::MEMORY_SIZE) { |
dwini | 4:f537311ddc53 | 48 | c = (c + 1) % 4; |
dwini | 4:f537311ddc53 | 49 | printf("\t[%#04x]: %6d", i, this->memory[i]); |
dwini | 4:f537311ddc53 | 50 | if (!c) { |
dwini | 4:f537311ddc53 | 51 | printf("\r\n"); |
dwini | 4:f537311ddc53 | 52 | } |
dwini | 4:f537311ddc53 | 53 | i++; |
dwini | 4:f537311ddc53 | 54 | } |
dwini | 4:f537311ddc53 | 55 | } |