walter azevedo
/
Final1
final1
Fork of Final by
main.cpp@0:45fd5f651e03, 2017-07-04 (annotated)
- Committer:
- walterlma
- Date:
- Tue Jul 04 16:26:35 2017 +0000
- Revision:
- 0:45fd5f651e03
final
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
walterlma | 0:45fd5f651e03 | 1 | #include "mbed.h" |
walterlma | 0:45fd5f651e03 | 2 | #include "eeprom.h" |
walterlma | 0:45fd5f651e03 | 3 | #include "MFRC522.h" |
walterlma | 0:45fd5f651e03 | 4 | |
walterlma | 0:45fd5f651e03 | 5 | //KL25Z Pins for MFRC522 SPI interface |
walterlma | 0:45fd5f651e03 | 6 | #define SPI_MOSI PTC6 |
walterlma | 0:45fd5f651e03 | 7 | #define SPI_MISO PTC7 |
walterlma | 0:45fd5f651e03 | 8 | #define SPI_SCLK PTC5 |
walterlma | 0:45fd5f651e03 | 9 | #define SPI_CS PTC4 |
walterlma | 0:45fd5f651e03 | 10 | // KL25Z Pin for MFRC522 reset |
walterlma | 0:45fd5f651e03 | 11 | #define MF_RESET PTC3 |
walterlma | 0:45fd5f651e03 | 12 | |
walterlma | 0:45fd5f651e03 | 13 | //Pinos EEPROM |
walterlma | 0:45fd5f651e03 | 14 | #define SDA PTC2 // I2C SDA pin |
walterlma | 0:45fd5f651e03 | 15 | #define SCL PTC1 // I2C SCL pin |
walterlma | 0:45fd5f651e03 | 16 | #define EEPROM_CONTROL_BYTE 0xA0 |
walterlma | 0:45fd5f651e03 | 17 | #define I2C_READ 0x01 |
walterlma | 0:45fd5f651e03 | 18 | |
walterlma | 0:45fd5f651e03 | 19 | #define OFF 1 |
walterlma | 0:45fd5f651e03 | 20 | #define ON 0 |
walterlma | 0:45fd5f651e03 | 21 | |
walterlma | 0:45fd5f651e03 | 22 | DigitalOut LedRed (LED_RED); |
walterlma | 0:45fd5f651e03 | 23 | DigitalOut LedGreen (LED_GREEN); |
walterlma | 0:45fd5f651e03 | 24 | |
walterlma | 0:45fd5f651e03 | 25 | EEPROM i2c(SDA, SCL, 0, EEPROM::T24C16); // T24C01 should work for the 24AA02E48 eeprom |
walterlma | 0:45fd5f651e03 | 26 | MFRC522 RfChip (SPI_MOSI, SPI_MISO, SPI_SCLK, SPI_CS, MF_RESET); |
walterlma | 0:45fd5f651e03 | 27 | |
walterlma | 0:45fd5f651e03 | 28 | //I2C i2c(PTE0, PTE1); // sda, scl on KL25Z |
walterlma | 0:45fd5f651e03 | 29 | Serial pc(USBTX, USBRX); // tx, rx |
walterlma | 0:45fd5f651e03 | 30 | |
walterlma | 0:45fd5f651e03 | 31 | void escreve_mem(int8_t dado, uint8_t i){ |
walterlma | 0:45fd5f651e03 | 32 | int8_t buf, elementos; |
walterlma | 0:45fd5f651e03 | 33 | |
walterlma | 0:45fd5f651e03 | 34 | LedGreen = 0; |
walterlma | 0:45fd5f651e03 | 35 | i2c.read(0, elementos); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 36 | buf=dado; |
walterlma | 0:45fd5f651e03 | 37 | i2c.write(5*elementos+1+i, buf); wait_ms(1);//escreve na memoria |
walterlma | 0:45fd5f651e03 | 38 | } |
walterlma | 0:45fd5f651e03 | 39 | |
walterlma | 0:45fd5f651e03 | 40 | /*char read_mem(uint8_t elemento, uint8_t i){ |
walterlma | 0:45fd5f651e03 | 41 | char x; |
walterlma | 0:45fd5f651e03 | 42 | uint8_t buf, elementos; |
walterlma | 0:45fd5f651e03 | 43 | |
walterlma | 0:45fd5f651e03 | 44 | i2c.read(0, elementos); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 45 | if (elementos < elemento){ |
walterlma | 0:45fd5f651e03 | 46 | printf("não há numero de elementos na memória"); |
walterlma | 0:45fd5f651e03 | 47 | return=-1; |
walterlma | 0:45fd5f651e03 | 48 | }else{ |
walterlma | 0:45fd5f651e03 | 49 | i2c.read(5*(elemento-1)+1+i, buf); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 50 | x=buf; |
walterlma | 0:45fd5f651e03 | 51 | return x; |
walterlma | 0:45fd5f651e03 | 52 | } |
walterlma | 0:45fd5f651e03 | 53 | }*/ |
walterlma | 0:45fd5f651e03 | 54 | |
walterlma | 0:45fd5f651e03 | 55 | /*int varre_mem( uint8_t *s){ |
walterlma | 0:45fd5f651e03 | 56 | int8_t elementos=0; |
walterlma | 0:45fd5f651e03 | 57 | uint8_t i = 0,buf; |
walterlma | 0:45fd5f651e03 | 58 | uint8_t *compara; |
walterlma | 0:45fd5f651e03 | 59 | int k; |
walterlma | 0:45fd5f651e03 | 60 | |
walterlma | 0:45fd5f651e03 | 61 | i2c.read(0, elementos); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 62 | for (k=0;k==elementos;k++){ |
walterlma | 0:45fd5f651e03 | 63 | for (i=0; i < RfChip.uid.size; i++){ |
walterlma | 0:45fd5f651e03 | 64 | i2c.read(5*(elementos-1)+1+i, buf); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 65 | compara[i]=buf; |
walterlma | 0:45fd5f651e03 | 66 | } |
walterlma | 0:45fd5f651e03 | 67 | if (compara==s) return 0; //retorna zero se encontrar id ja registrado |
walterlma | 0:45fd5f651e03 | 68 | } |
walterlma | 0:45fd5f651e03 | 69 | |
walterlma | 0:45fd5f651e03 | 70 | return 1; //retorna 1 se nao encontrar id igual |
walterlma | 0:45fd5f651e03 | 71 | }*/ |
walterlma | 0:45fd5f651e03 | 72 | |
walterlma | 0:45fd5f651e03 | 73 | int main(void) { |
walterlma | 0:45fd5f651e03 | 74 | int encontrou=0; |
walterlma | 0:45fd5f651e03 | 75 | int t,jafalou=0,flag_registro=1, flag_identificacao=0, senha; |
walterlma | 0:45fd5f651e03 | 76 | char idcartao[4],compara[4];//vetor que grava id do cartao |
walterlma | 0:45fd5f651e03 | 77 | char x; |
walterlma | 0:45fd5f651e03 | 78 | int8_t buf=0, elementos,elemento,buf1; |
walterlma | 0:45fd5f651e03 | 79 | uint8_t i = 0,k; |
walterlma | 0:45fd5f651e03 | 80 | |
walterlma | 0:45fd5f651e03 | 81 | pc.baud(9600); |
walterlma | 0:45fd5f651e03 | 82 | |
walterlma | 0:45fd5f651e03 | 83 | // Init. RC522 Chip |
walterlma | 0:45fd5f651e03 | 84 | RfChip.PCD_Init(); |
walterlma | 0:45fd5f651e03 | 85 | |
walterlma | 0:45fd5f651e03 | 86 | i2c.write(0, 0); wait_ms(1);//escreve 0 elementos na memoria |
walterlma | 0:45fd5f651e03 | 87 | |
walterlma | 0:45fd5f651e03 | 88 | while (true){ |
walterlma | 0:45fd5f651e03 | 89 | i2c.read(0, elementos); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 90 | |
walterlma | 0:45fd5f651e03 | 91 | if(elementos==0 && jafalou==0){ |
walterlma | 0:45fd5f651e03 | 92 | printf("Nenhum cartao registrado!\n\r"); |
walterlma | 0:45fd5f651e03 | 93 | printf("Favor aproximar os cartoes a serem registrados\n\r"); |
walterlma | 0:45fd5f651e03 | 94 | jafalou=1; |
walterlma | 0:45fd5f651e03 | 95 | } |
walterlma | 0:45fd5f651e03 | 96 | inicio: |
walterlma | 0:45fd5f651e03 | 97 | LedGreen = 1; |
walterlma | 0:45fd5f651e03 | 98 | // Look for new cards |
walterlma | 0:45fd5f651e03 | 99 | if ( ! RfChip.PICC_IsNewCardPresent()) |
walterlma | 0:45fd5f651e03 | 100 | { |
walterlma | 0:45fd5f651e03 | 101 | wait_ms(500); |
walterlma | 0:45fd5f651e03 | 102 | continue; |
walterlma | 0:45fd5f651e03 | 103 | } |
walterlma | 0:45fd5f651e03 | 104 | |
walterlma | 0:45fd5f651e03 | 105 | // Select one of the cards |
walterlma | 0:45fd5f651e03 | 106 | if ( ! RfChip.PICC_ReadCardSerial()) |
walterlma | 0:45fd5f651e03 | 107 | { |
walterlma | 0:45fd5f651e03 | 108 | wait_ms(500); |
walterlma | 0:45fd5f651e03 | 109 | continue; |
walterlma | 0:45fd5f651e03 | 110 | } |
walterlma | 0:45fd5f651e03 | 111 | if(flag_registro==1){ |
walterlma | 0:45fd5f651e03 | 112 | //verifica se cartao ja foi registrado |
walterlma | 0:45fd5f651e03 | 113 | if (elementos != 0){ |
walterlma | 0:45fd5f651e03 | 114 | for (i=0; i < RfChip.uid.size; i++){ |
walterlma | 0:45fd5f651e03 | 115 | buf=RfChip.uid.uidByte[i]; |
walterlma | 0:45fd5f651e03 | 116 | idcartao[i]=buf; |
walterlma | 0:45fd5f651e03 | 117 | } |
walterlma | 0:45fd5f651e03 | 118 | i2c.read(0, elementos); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 119 | for (k=0;k<elementos;k++){ |
walterlma | 0:45fd5f651e03 | 120 | for (i=0; i < RfChip.uid.size; i++){ |
walterlma | 0:45fd5f651e03 | 121 | i2c.read(5*(elementos-1)+1+i, buf); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 122 | compara[i]=buf; |
walterlma | 0:45fd5f651e03 | 123 | } |
walterlma | 0:45fd5f651e03 | 124 | if ((compara[0] == idcartao[0]) && |
walterlma | 0:45fd5f651e03 | 125 | (compara[1] == idcartao[1]) && |
walterlma | 0:45fd5f651e03 | 126 | (compara[2] == idcartao[2]) && |
walterlma | 0:45fd5f651e03 | 127 | (compara[3] == idcartao[3])){ |
walterlma | 0:45fd5f651e03 | 128 | printf("cartao ja registrado\n\r"); |
walterlma | 0:45fd5f651e03 | 129 | goto inicio; |
walterlma | 0:45fd5f651e03 | 130 | } |
walterlma | 0:45fd5f651e03 | 131 | } |
walterlma | 0:45fd5f651e03 | 132 | } |
walterlma | 0:45fd5f651e03 | 133 | |
walterlma | 0:45fd5f651e03 | 134 | //escrita na memoria |
walterlma | 0:45fd5f651e03 | 135 | printf("\n\r"); |
walterlma | 0:45fd5f651e03 | 136 | //if(flag_registro==1){ |
walterlma | 0:45fd5f651e03 | 137 | for (i=0; i < RfChip.uid.size; i++){ |
walterlma | 0:45fd5f651e03 | 138 | escreve_mem(RfChip.uid.uidByte[i], i); |
walterlma | 0:45fd5f651e03 | 139 | } |
walterlma | 0:45fd5f651e03 | 140 | elementos++; |
walterlma | 0:45fd5f651e03 | 141 | i2c.write(0, elementos); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 142 | i2c.read(0, elementos); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 143 | printf("\n\r"); |
walterlma | 0:45fd5f651e03 | 144 | printf("elementos: %d\n\r", elementos); |
walterlma | 0:45fd5f651e03 | 145 | //} |
walterlma | 0:45fd5f651e03 | 146 | //le o que esta na memoria |
walterlma | 0:45fd5f651e03 | 147 | printf("memoria: "); |
walterlma | 0:45fd5f651e03 | 148 | //elemento=2; |
walterlma | 0:45fd5f651e03 | 149 | //if (elemento<elementos){ |
walterlma | 0:45fd5f651e03 | 150 | // printf("nao exite esse numero de elementos na memoria"); |
walterlma | 0:45fd5f651e03 | 151 | //}else { |
walterlma | 0:45fd5f651e03 | 152 | for (i=0; i < RfChip.uid.size; i++){ |
walterlma | 0:45fd5f651e03 | 153 | i2c.read(5*(elementos-1)+1+i, buf); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 154 | x=buf; |
walterlma | 0:45fd5f651e03 | 155 | printf(" %d", x); |
walterlma | 0:45fd5f651e03 | 156 | } |
walterlma | 0:45fd5f651e03 | 157 | //} |
walterlma | 0:45fd5f651e03 | 158 | |
walterlma | 0:45fd5f651e03 | 159 | /*for (i=0; i < RfChip.uid.size; i++){ |
walterlma | 0:45fd5f651e03 | 160 | idcartao[i]=read_mem(elemento, i); |
walterlma | 0:45fd5f651e03 | 161 | } |
walterlma | 0:45fd5f651e03 | 162 | for (i=0;i<4;i++){ |
walterlma | 0:45fd5f651e03 | 163 | printf(" %d", idcartao[i]); |
walterlma | 0:45fd5f651e03 | 164 | }*/ |
walterlma | 0:45fd5f651e03 | 165 | printf("\n\r"); |
walterlma | 0:45fd5f651e03 | 166 | printf("\n\r"); |
walterlma | 0:45fd5f651e03 | 167 | wait_ms(200); |
walterlma | 0:45fd5f651e03 | 168 | |
walterlma | 0:45fd5f651e03 | 169 | printf("Senha:"); |
walterlma | 0:45fd5f651e03 | 170 | scanf("%d", &senha); |
walterlma | 0:45fd5f651e03 | 171 | printf("senha %d\n\r", senha); |
walterlma | 0:45fd5f651e03 | 172 | buf=senha; |
walterlma | 0:45fd5f651e03 | 173 | i2c.write(5*elementos, buf); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 174 | |
walterlma | 0:45fd5f651e03 | 175 | printf("Deseja continuar a registrar cartoes?\n\r"); |
walterlma | 0:45fd5f651e03 | 176 | printf("1:Sim 2:Nao\n\r"); |
walterlma | 0:45fd5f651e03 | 177 | scanf("%d", &t); //le botao se 1 goto comeco e anda pos na memoria se 2 continua |
walterlma | 0:45fd5f651e03 | 178 | printf("\n\r"); |
walterlma | 0:45fd5f651e03 | 179 | if (t==1)goto inicio; |
walterlma | 0:45fd5f651e03 | 180 | if (t==2){ |
walterlma | 0:45fd5f651e03 | 181 | printf("Fim registros!\n\r"); |
walterlma | 0:45fd5f651e03 | 182 | flag_registro=0; |
walterlma | 0:45fd5f651e03 | 183 | } |
walterlma | 0:45fd5f651e03 | 184 | } |
walterlma | 0:45fd5f651e03 | 185 | else{ |
walterlma | 0:45fd5f651e03 | 186 | printf("Passe cartao para obter acesso\n\r"); |
walterlma | 0:45fd5f651e03 | 187 | for (i=0; i < RfChip.uid.size; i++){ |
walterlma | 0:45fd5f651e03 | 188 | buf=RfChip.uid.uidByte[i]; |
walterlma | 0:45fd5f651e03 | 189 | idcartao[i]=buf; |
walterlma | 0:45fd5f651e03 | 190 | } |
walterlma | 0:45fd5f651e03 | 191 | i2c.read(0, elementos); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 192 | for (k=0;k<elementos;k++){ |
walterlma | 0:45fd5f651e03 | 193 | for (i=0; i < RfChip.uid.size; i++){ |
walterlma | 0:45fd5f651e03 | 194 | i2c.read(5*(elementos-1)+1+i, buf); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 195 | compara[i]=buf; |
walterlma | 0:45fd5f651e03 | 196 | } |
walterlma | 0:45fd5f651e03 | 197 | if ((compara[0] == idcartao[0]) && |
walterlma | 0:45fd5f651e03 | 198 | (compara[1] == idcartao[1]) && |
walterlma | 0:45fd5f651e03 | 199 | (compara[2] == idcartao[2]) && |
walterlma | 0:45fd5f651e03 | 200 | (compara[3] == idcartao[3])){ |
walterlma | 0:45fd5f651e03 | 201 | printf("cartao encontrado!\n\r"); |
walterlma | 0:45fd5f651e03 | 202 | printf("Digite a senha\n\r"); |
walterlma | 0:45fd5f651e03 | 203 | scanf("%d", &senha); |
walterlma | 0:45fd5f651e03 | 204 | printf("senha %d\n\r", senha); |
walterlma | 0:45fd5f651e03 | 205 | buf1=senha; |
walterlma | 0:45fd5f651e03 | 206 | encontrou=1; |
walterlma | 0:45fd5f651e03 | 207 | } |
walterlma | 0:45fd5f651e03 | 208 | } |
walterlma | 0:45fd5f651e03 | 209 | if(encontrou==1){ |
walterlma | 0:45fd5f651e03 | 210 | encontrou=0; |
walterlma | 0:45fd5f651e03 | 211 | i2c.read(5*elementos, buf); wait_ms(1); |
walterlma | 0:45fd5f651e03 | 212 | if (buf1==buf){ |
walterlma | 0:45fd5f651e03 | 213 | printf("acesso permitido\n\r"); |
walterlma | 0:45fd5f651e03 | 214 | goto inicio; |
walterlma | 0:45fd5f651e03 | 215 | }else { |
walterlma | 0:45fd5f651e03 | 216 | printf("acesso negado\n\r"); |
walterlma | 0:45fd5f651e03 | 217 | goto inicio; |
walterlma | 0:45fd5f651e03 | 218 | } |
walterlma | 0:45fd5f651e03 | 219 | } |
walterlma | 0:45fd5f651e03 | 220 | } |
walterlma | 0:45fd5f651e03 | 221 | } |
walterlma | 0:45fd5f651e03 | 222 | } |