EEPROM Multiplexer test
Dependencies: mbed EEPROM_lib
main.cpp@0:659448bed797, 2021-05-23 (annotated)
- Committer:
- imadaemi
- Date:
- Sun May 23 06:46:00 2021 +0000
- Revision:
- 0:659448bed797
- Child:
- 1:de11b189ee57
EEPROM MultiPlexer test
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
imadaemi | 0:659448bed797 | 1 | #include "mbed.h" |
imadaemi | 0:659448bed797 | 2 | #include "EEPROM_lib.h" |
imadaemi | 0:659448bed797 | 3 | |
imadaemi | 0:659448bed797 | 4 | Serial pc(USBTX, USBRX, 230400); |
imadaemi | 0:659448bed797 | 5 | I2C i2c_bus(p28, p27); |
imadaemi | 0:659448bed797 | 6 | EEPROM_lib EEPROM(i2c_bus, 1); |
imadaemi | 0:659448bed797 | 7 | DigitalOut pinA(p21); |
imadaemi | 0:659448bed797 | 8 | DigitalOut pinB(p22); |
imadaemi | 0:659448bed797 | 9 | DigitalOut pinC(p23); |
imadaemi | 0:659448bed797 | 10 | |
imadaemi | 0:659448bed797 | 11 | void setEEPROMGroup(int group_num); |
imadaemi | 0:659448bed797 | 12 | |
imadaemi | 0:659448bed797 | 13 | int main() { |
imadaemi | 0:659448bed797 | 14 | |
imadaemi | 0:659448bed797 | 15 | while(1) { |
imadaemi | 0:659448bed797 | 16 | if(pc.readable()){ |
imadaemi | 0:659448bed797 | 17 | int c = pc.getc(); |
imadaemi | 0:659448bed797 | 18 | pc.printf("Input: %c\r\n", c); |
imadaemi | 0:659448bed797 | 19 | if(c == '7'){ |
imadaemi | 0:659448bed797 | 20 | break; |
imadaemi | 0:659448bed797 | 21 | } |
imadaemi | 0:659448bed797 | 22 | } |
imadaemi | 0:659448bed797 | 23 | } |
imadaemi | 0:659448bed797 | 24 | |
imadaemi | 0:659448bed797 | 25 | int ptr, n = 0; |
imadaemi | 0:659448bed797 | 26 | for(int ii = 0; ii < 2; ii ++){ |
imadaemi | 0:659448bed797 | 27 | pc.printf("Start to write %d EEPROM\r\n",ii); |
imadaemi | 0:659448bed797 | 28 | setEEPROMGroup(ii); |
imadaemi | 0:659448bed797 | 29 | EEPROM.setWriteAddr(1, 0, 0x00, 0x00); |
imadaemi | 0:659448bed797 | 30 | while(1){ |
imadaemi | 0:659448bed797 | 31 | while(1){ |
imadaemi | 0:659448bed797 | 32 | ptr = EEPROM.chargeBuff((int)n++); |
imadaemi | 0:659448bed797 | 33 | if(ptr == 128){ |
imadaemi | 0:659448bed797 | 34 | EEPROM.writeBuff(); |
imadaemi | 0:659448bed797 | 35 | ptr = EEPROM.setNextPage(); |
imadaemi | 0:659448bed797 | 36 | break; |
imadaemi | 0:659448bed797 | 37 | } |
imadaemi | 0:659448bed797 | 38 | } |
imadaemi | 0:659448bed797 | 39 | if(ptr == 0x01000000){ |
imadaemi | 0:659448bed797 | 40 | ptr = 0; |
imadaemi | 0:659448bed797 | 41 | break; |
imadaemi | 0:659448bed797 | 42 | } |
imadaemi | 0:659448bed797 | 43 | } |
imadaemi | 0:659448bed797 | 44 | } |
imadaemi | 0:659448bed797 | 45 | |
imadaemi | 0:659448bed797 | 46 | |
imadaemi | 0:659448bed797 | 47 | char data[128]; |
imadaemi | 0:659448bed797 | 48 | int num, block; |
imadaemi | 0:659448bed797 | 49 | char ADDR_H, ADDR_L; |
imadaemi | 0:659448bed797 | 50 | |
imadaemi | 0:659448bed797 | 51 | num = 1; |
imadaemi | 0:659448bed797 | 52 | block = 0; |
imadaemi | 0:659448bed797 | 53 | ADDR_H = ADDR_L = 0x00; |
imadaemi | 0:659448bed797 | 54 | |
imadaemi | 0:659448bed797 | 55 | setEEPROMGroup(0); |
imadaemi | 0:659448bed797 | 56 | |
imadaemi | 0:659448bed797 | 57 | for(int j = 0; j < 2; j ++){ |
imadaemi | 0:659448bed797 | 58 | pc.printf("Start to read %d EEPROM\r\n",j); |
imadaemi | 0:659448bed797 | 59 | setEEPROMGroup(j); |
imadaemi | 0:659448bed797 | 60 | for(int i = 0; i < 1024; i ++){ |
imadaemi | 0:659448bed797 | 61 | switch(i){ |
imadaemi | 0:659448bed797 | 62 | case 512: |
imadaemi | 0:659448bed797 | 63 | num = 1; |
imadaemi | 0:659448bed797 | 64 | block = 1; |
imadaemi | 0:659448bed797 | 65 | break; |
imadaemi | 0:659448bed797 | 66 | |
imadaemi | 0:659448bed797 | 67 | case 1024: |
imadaemi | 0:659448bed797 | 68 | num = 2; |
imadaemi | 0:659448bed797 | 69 | block = 0; |
imadaemi | 0:659448bed797 | 70 | break; |
imadaemi | 0:659448bed797 | 71 | } |
imadaemi | 0:659448bed797 | 72 | |
imadaemi | 0:659448bed797 | 73 | EEPROM.readMultiByte(num, block, ADDR_H, ADDR_L, data, 128); |
imadaemi | 0:659448bed797 | 74 | for(int x = 0; x < 128; x ++){ |
imadaemi | 0:659448bed797 | 75 | pc.printf("%02x ", data[x]); |
imadaemi | 0:659448bed797 | 76 | } |
imadaemi | 0:659448bed797 | 77 | pc.printf("\r\n"); |
imadaemi | 0:659448bed797 | 78 | |
imadaemi | 0:659448bed797 | 79 | if(ADDR_L == 0x00){ |
imadaemi | 0:659448bed797 | 80 | ADDR_L = 0x80; |
imadaemi | 0:659448bed797 | 81 | } |
imadaemi | 0:659448bed797 | 82 | else{ |
imadaemi | 0:659448bed797 | 83 | ADDR_L = 0x00; |
imadaemi | 0:659448bed797 | 84 | ADDR_H ++; |
imadaemi | 0:659448bed797 | 85 | } |
imadaemi | 0:659448bed797 | 86 | } |
imadaemi | 0:659448bed797 | 87 | } |
imadaemi | 0:659448bed797 | 88 | /* |
imadaemi | 0:659448bed797 | 89 | while(1) { |
imadaemi | 0:659448bed797 | 90 | if(pc.readable()){ |
imadaemi | 0:659448bed797 | 91 | int c = pc.getc(); |
imadaemi | 0:659448bed797 | 92 | pc.printf("Input: %c\r\n", c); |
imadaemi | 0:659448bed797 | 93 | setEEPROMGroup(c-48); |
imadaemi | 0:659448bed797 | 94 | } |
imadaemi | 0:659448bed797 | 95 | } |
imadaemi | 0:659448bed797 | 96 | */ |
imadaemi | 0:659448bed797 | 97 | } |
imadaemi | 0:659448bed797 | 98 | |
imadaemi | 0:659448bed797 | 99 | void setEEPROMGroup(int group_num){ |
imadaemi | 0:659448bed797 | 100 | switch(group_num){ |
imadaemi | 0:659448bed797 | 101 | case 0: |
imadaemi | 0:659448bed797 | 102 | pinA = 0; |
imadaemi | 0:659448bed797 | 103 | pinB = 0; |
imadaemi | 0:659448bed797 | 104 | pinC = 0; |
imadaemi | 0:659448bed797 | 105 | break; |
imadaemi | 0:659448bed797 | 106 | |
imadaemi | 0:659448bed797 | 107 | case 1: |
imadaemi | 0:659448bed797 | 108 | pinA = 1; |
imadaemi | 0:659448bed797 | 109 | pinB = 0; |
imadaemi | 0:659448bed797 | 110 | pinC = 0; |
imadaemi | 0:659448bed797 | 111 | break; |
imadaemi | 0:659448bed797 | 112 | |
imadaemi | 0:659448bed797 | 113 | case 2: |
imadaemi | 0:659448bed797 | 114 | pinA = 0; |
imadaemi | 0:659448bed797 | 115 | pinB = 1; |
imadaemi | 0:659448bed797 | 116 | pinC = 0; |
imadaemi | 0:659448bed797 | 117 | break; |
imadaemi | 0:659448bed797 | 118 | |
imadaemi | 0:659448bed797 | 119 | case 3: |
imadaemi | 0:659448bed797 | 120 | pinA = 1; |
imadaemi | 0:659448bed797 | 121 | pinB = 1; |
imadaemi | 0:659448bed797 | 122 | pinC = 0; |
imadaemi | 0:659448bed797 | 123 | break; |
imadaemi | 0:659448bed797 | 124 | } |
imadaemi | 0:659448bed797 | 125 | } |