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EEPROM Multiplexer test
Dependencies: mbed EEPROM_lib
main.cpp@2:bd7fad3dc62e, 2021-06-02 (annotated)
- Committer:
- imadaemi
- Date:
- Wed Jun 02 17:07:20 2021 +0000
- Revision:
- 2:bd7fad3dc62e
- Parent:
- 1:de11b189ee57
Multiplexer EEPROM 4ver
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 | |
Sigma884 | 1:de11b189ee57 | 15 | pc.printf("Please Input '7' to Start Progeam\r\n"); |
Sigma884 | 1:de11b189ee57 | 16 | |
imadaemi | 0:659448bed797 | 17 | while(1) { |
imadaemi | 0:659448bed797 | 18 | if(pc.readable()){ |
imadaemi | 0:659448bed797 | 19 | int c = pc.getc(); |
imadaemi | 0:659448bed797 | 20 | pc.printf("Input: %c\r\n", c); |
imadaemi | 0:659448bed797 | 21 | if(c == '7'){ |
imadaemi | 0:659448bed797 | 22 | break; |
imadaemi | 0:659448bed797 | 23 | } |
imadaemi | 0:659448bed797 | 24 | } |
imadaemi | 0:659448bed797 | 25 | } |
imadaemi | 0:659448bed797 | 26 | |
imadaemi | 0:659448bed797 | 27 | int ptr, n = 0; |
Sigma884 | 1:de11b189ee57 | 28 | int eeprom_ptr = 0; |
Sigma884 | 1:de11b189ee57 | 29 | /* |
imadaemi | 2:bd7fad3dc62e | 30 | // *************************************************** |
imadaemi | 2:bd7fad3dc62e | 31 | **Write:buff_ptrとptrを混同してるからうまくいかないプログラム |
imadaemi | 2:bd7fad3dc62e | 32 | // *************************************************** |
imadaemi | 0:659448bed797 | 33 | for(int ii = 0; ii < 2; ii ++){ |
imadaemi | 0:659448bed797 | 34 | pc.printf("Start to write %d EEPROM\r\n",ii); |
imadaemi | 0:659448bed797 | 35 | setEEPROMGroup(ii); |
imadaemi | 0:659448bed797 | 36 | EEPROM.setWriteAddr(1, 0, 0x00, 0x00); |
imadaemi | 0:659448bed797 | 37 | while(1){ |
imadaemi | 0:659448bed797 | 38 | while(1){ |
imadaemi | 0:659448bed797 | 39 | ptr = EEPROM.chargeBuff((int)n++); |
imadaemi | 0:659448bed797 | 40 | if(ptr == 128){ |
imadaemi | 0:659448bed797 | 41 | EEPROM.writeBuff(); |
imadaemi | 0:659448bed797 | 42 | ptr = EEPROM.setNextPage(); |
imadaemi | 0:659448bed797 | 43 | break; |
imadaemi | 0:659448bed797 | 44 | } |
imadaemi | 0:659448bed797 | 45 | } |
imadaemi | 0:659448bed797 | 46 | if(ptr == 0x01000000){ |
imadaemi | 0:659448bed797 | 47 | ptr = 0; |
imadaemi | 0:659448bed797 | 48 | break; |
imadaemi | 0:659448bed797 | 49 | } |
imadaemi | 0:659448bed797 | 50 | } |
imadaemi | 0:659448bed797 | 51 | } |
Sigma884 | 1:de11b189ee57 | 52 | */ |
imadaemi | 2:bd7fad3dc62e | 53 | |
imadaemi | 2:bd7fad3dc62e | 54 | // *************************************************** |
imadaemi | 2:bd7fad3dc62e | 55 | // Write:buff_ptrとptrの混同問題を解決したあとのプログラム |
imadaemi | 2:bd7fad3dc62e | 56 | // *************************************************** |
imadaemi | 2:bd7fad3dc62e | 57 | |
imadaemi | 2:bd7fad3dc62e | 58 | for(int i = 0; i < 4; i++){ |
Sigma884 | 1:de11b189ee57 | 59 | pc.printf("Start to write %d EEPROM\r\n", i); |
Sigma884 | 1:de11b189ee57 | 60 | setEEPROMGroup(i); |
Sigma884 | 1:de11b189ee57 | 61 | EEPROM.setWriteAddr(1, 0, 0x00, 0x00); |
Sigma884 | 1:de11b189ee57 | 62 | |
Sigma884 | 1:de11b189ee57 | 63 | while(1){ |
Sigma884 | 1:de11b189ee57 | 64 | ptr = EEPROM.chargeBuff((int)n++); |
Sigma884 | 1:de11b189ee57 | 65 | //ptr = EEPROM.chargeBuff((char)0xff); |
Sigma884 | 1:de11b189ee57 | 66 | if(ptr == 128){ |
Sigma884 | 1:de11b189ee57 | 67 | EEPROM.writeBuff(); |
Sigma884 | 1:de11b189ee57 | 68 | //ptr = EEPROM.setNextPage(); |
Sigma884 | 1:de11b189ee57 | 69 | eeprom_ptr = EEPROM.setNextPage(); |
Sigma884 | 1:de11b189ee57 | 70 | //pc.printf("eeprom_ptr: %08x\r\n", eeprom_ptr); |
Sigma884 | 1:de11b189ee57 | 71 | } |
Sigma884 | 1:de11b189ee57 | 72 | |
Sigma884 | 1:de11b189ee57 | 73 | if(eeprom_ptr == 0x01000000){ |
Sigma884 | 1:de11b189ee57 | 74 | ptr = 0; |
Sigma884 | 1:de11b189ee57 | 75 | eeprom_ptr = 0; |
Sigma884 | 1:de11b189ee57 | 76 | break; |
Sigma884 | 1:de11b189ee57 | 77 | } |
Sigma884 | 1:de11b189ee57 | 78 | } |
Sigma884 | 1:de11b189ee57 | 79 | } |
imadaemi | 0:659448bed797 | 80 | |
imadaemi | 2:bd7fad3dc62e | 81 | // *************************************************** |
imadaemi | 2:bd7fad3dc62e | 82 | // Read |
imadaemi | 2:bd7fad3dc62e | 83 | // *************************************************** |
imadaemi | 0:659448bed797 | 84 | |
imadaemi | 0:659448bed797 | 85 | char data[128]; |
imadaemi | 0:659448bed797 | 86 | int num, block; |
imadaemi | 0:659448bed797 | 87 | char ADDR_H, ADDR_L; |
imadaemi | 0:659448bed797 | 88 | |
imadaemi | 0:659448bed797 | 89 | num = 1; |
Sigma884 | 1:de11b189ee57 | 90 | //block = 0; |
Sigma884 | 1:de11b189ee57 | 91 | //ADDR_H = ADDR_L = 0x00; |
imadaemi | 0:659448bed797 | 92 | |
Sigma884 | 1:de11b189ee57 | 93 | //setEEPROMGroup(0); |
imadaemi | 2:bd7fad3dc62e | 94 | for(int j = 0; j < 4; j ++){ |
imadaemi | 0:659448bed797 | 95 | pc.printf("Start to read %d EEPROM\r\n",j); |
Sigma884 | 1:de11b189ee57 | 96 | |
imadaemi | 0:659448bed797 | 97 | setEEPROMGroup(j); |
Sigma884 | 1:de11b189ee57 | 98 | block = 0; |
Sigma884 | 1:de11b189ee57 | 99 | ADDR_H = ADDR_L = 0x00; |
Sigma884 | 1:de11b189ee57 | 100 | |
imadaemi | 0:659448bed797 | 101 | for(int i = 0; i < 1024; i ++){ |
imadaemi | 0:659448bed797 | 102 | switch(i){ |
imadaemi | 0:659448bed797 | 103 | case 512: |
imadaemi | 0:659448bed797 | 104 | num = 1; |
imadaemi | 0:659448bed797 | 105 | block = 1; |
imadaemi | 0:659448bed797 | 106 | break; |
imadaemi | 0:659448bed797 | 107 | |
imadaemi | 0:659448bed797 | 108 | case 1024: |
imadaemi | 0:659448bed797 | 109 | num = 2; |
imadaemi | 0:659448bed797 | 110 | block = 0; |
imadaemi | 0:659448bed797 | 111 | break; |
imadaemi | 0:659448bed797 | 112 | } |
imadaemi | 0:659448bed797 | 113 | |
imadaemi | 0:659448bed797 | 114 | EEPROM.readMultiByte(num, block, ADDR_H, ADDR_L, data, 128); |
imadaemi | 0:659448bed797 | 115 | for(int x = 0; x < 128; x ++){ |
imadaemi | 0:659448bed797 | 116 | pc.printf("%02x ", data[x]); |
imadaemi | 0:659448bed797 | 117 | } |
imadaemi | 0:659448bed797 | 118 | pc.printf("\r\n"); |
imadaemi | 0:659448bed797 | 119 | |
imadaemi | 0:659448bed797 | 120 | if(ADDR_L == 0x00){ |
imadaemi | 0:659448bed797 | 121 | ADDR_L = 0x80; |
imadaemi | 0:659448bed797 | 122 | } |
imadaemi | 0:659448bed797 | 123 | else{ |
imadaemi | 0:659448bed797 | 124 | ADDR_L = 0x00; |
imadaemi | 0:659448bed797 | 125 | ADDR_H ++; |
imadaemi | 0:659448bed797 | 126 | } |
imadaemi | 0:659448bed797 | 127 | } |
imadaemi | 0:659448bed797 | 128 | } |
imadaemi | 2:bd7fad3dc62e | 129 | |
imadaemi | 2:bd7fad3dc62e | 130 | // *************************************************** |
imadaemi | 2:bd7fad3dc62e | 131 | // 入力した数字の文字列をint型として受け取る |
imadaemi | 2:bd7fad3dc62e | 132 | // *************************************************** |
imadaemi | 2:bd7fad3dc62e | 133 | |
imadaemi | 0:659448bed797 | 134 | /* |
imadaemi | 0:659448bed797 | 135 | while(1) { |
imadaemi | 0:659448bed797 | 136 | if(pc.readable()){ |
imadaemi | 0:659448bed797 | 137 | int c = pc.getc(); |
imadaemi | 0:659448bed797 | 138 | pc.printf("Input: %c\r\n", c); |
imadaemi | 0:659448bed797 | 139 | setEEPROMGroup(c-48); |
imadaemi | 0:659448bed797 | 140 | } |
imadaemi | 0:659448bed797 | 141 | } |
imadaemi | 0:659448bed797 | 142 | */ |
imadaemi | 0:659448bed797 | 143 | } |
imadaemi | 0:659448bed797 | 144 | |
imadaemi | 2:bd7fad3dc62e | 145 | // *************************************************** |
imadaemi | 2:bd7fad3dc62e | 146 | // マルチプレクサで使うEEPROMを変更する |
imadaemi | 2:bd7fad3dc62e | 147 | // *************************************************** |
imadaemi | 0:659448bed797 | 148 | void setEEPROMGroup(int group_num){ |
imadaemi | 0:659448bed797 | 149 | switch(group_num){ |
imadaemi | 0:659448bed797 | 150 | case 0: |
imadaemi | 0:659448bed797 | 151 | pinA = 0; |
imadaemi | 0:659448bed797 | 152 | pinB = 0; |
imadaemi | 0:659448bed797 | 153 | pinC = 0; |
imadaemi | 0:659448bed797 | 154 | break; |
imadaemi | 0:659448bed797 | 155 | |
imadaemi | 0:659448bed797 | 156 | case 1: |
imadaemi | 0:659448bed797 | 157 | pinA = 1; |
imadaemi | 0:659448bed797 | 158 | pinB = 0; |
imadaemi | 0:659448bed797 | 159 | pinC = 0; |
imadaemi | 0:659448bed797 | 160 | break; |
imadaemi | 0:659448bed797 | 161 | |
imadaemi | 0:659448bed797 | 162 | case 2: |
imadaemi | 0:659448bed797 | 163 | pinA = 0; |
imadaemi | 0:659448bed797 | 164 | pinB = 1; |
imadaemi | 0:659448bed797 | 165 | pinC = 0; |
imadaemi | 0:659448bed797 | 166 | break; |
imadaemi | 0:659448bed797 | 167 | |
imadaemi | 0:659448bed797 | 168 | case 3: |
imadaemi | 0:659448bed797 | 169 | pinA = 1; |
imadaemi | 0:659448bed797 | 170 | pinB = 1; |
imadaemi | 0:659448bed797 | 171 | pinC = 0; |
imadaemi | 0:659448bed797 | 172 | break; |
imadaemi | 0:659448bed797 | 173 | } |
imadaemi | 0:659448bed797 | 174 | } |