RFID tags playground
Dependencies: BSP_DISCO_F746NG LCD_DISCO_F746NG MFRC522 TS_DISCO_F746NG mbed
main.cpp
- Committer:
- mpanetta
- Date:
- 2016-03-09
- Revision:
- 0:b8f33ff50746
File content as of revision 0:b8f33ff50746:
#include "mbed.h" #include "TS_DISCO_F746NG.h" #include "LCD_DISCO_F746NG.h" #include "MFRC522.h" LCD_DISCO_F746NG lcd; TS_DISCO_F746NG ts; //MFRC522 RfChip (SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, MF_RESET); MFRC522 RfChip (A2, A3, A4, A5, A0); int main() { TS_StateTypeDef TS_State; uint16_t x, y; uint8_t text[30]; uint8_t status; uint8_t idx; uint8_t cleared = 0; uint8_t prev_nb_touches = 0; lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN DEMO", CENTER_MODE); wait(1); RfChip.PCD_Init(); status = ts.Init(lcd.GetXSize(), lcd.GetYSize()); if (status != TS_OK) { lcd.Clear(LCD_COLOR_RED); lcd.SetBackColor(LCD_COLOR_RED); lcd.SetTextColor(LCD_COLOR_WHITE); lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT FAIL", CENTER_MODE); } else { lcd.Clear(LCD_COLOR_GREEN); lcd.SetBackColor(LCD_COLOR_GREEN); lcd.SetTextColor(LCD_COLOR_WHITE); lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT OK", CENTER_MODE); } wait(1); lcd.Clear(LCD_COLOR_BLACK); lcd.SetFont(&Font12); lcd.SetBackColor(LCD_COLOR_BLUE); lcd.SetTextColor(LCD_COLOR_WHITE); while(1) { char buf[64]; uint8_t status; MFRC522::MIFARE_Key key; uint8_t type; // Initialize key to default key.keyByte[0] = 0xff; key.keyByte[1] = 0xff; key.keyByte[2] = 0xff; key.keyByte[3] = 0xff; key.keyByte[4] = 0xff; key.keyByte[5] = 0xff; if (!RfChip.PICC_IsNewCardPresent()) { wait_ms(300); continue; } if (!RfChip.PICC_ReadCardSerial()) { wait_ms(200); continue; } uint8_t i; for (i = 0; i < RfChip.uid.size; i++) { snprintf(buf+i*3, 64-i*3, "%2.2x:", RfChip.uid.uidByte[i]); } buf[i*3-1] = '\0'; lcd.DisplayStringAt(0, LINE(2), (uint8_t *)buf, LEFT_MODE); type = RfChip.PICC_GetType(RfChip.uid.sak); snprintf(buf, 64, "PICC Type: %s", RfChip.PICC_GetTypeName(type)); lcd.DisplayStringAt(0, LINE(3), (uint8_t *)buf, LEFT_MODE); // Attempt auth status = RfChip.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, 1, &key, &RfChip.uid); snprintf(buf, 64, "Auth status: %s", RfChip.GetStatusCodeName(status)); lcd.DisplayStringAt(0, LINE(4), (uint8_t *)buf, LEFT_MODE); if (status == MFRC522::STATUS_OK) { // Dump block. uint8_t size = sizeof(buf); status = RfChip.MIFARE_Read(1, (uint8_t *)buf, &size); if (status == MFRC522::STATUS_OK) { char tmp[64]; snprintf(tmp, 64, "Read %d bytes at block 1", size); lcd.DisplayStringAt(0, LINE(5), (uint8_t *)tmp, LEFT_MODE); uint8_t i; for (i =0; i < size; i++) { snprintf(tmp+i*3, 64-i*3, "%2.2x:", buf[i]); } tmp[i*3-1] = '\0'; lcd.DisplayStringAt(0, LINE(6), (uint8_t *)tmp, LEFT_MODE); } else { lcd.ClearStringLine(5); } } // Close out auth. RfChip.PCD_StopCrypto1(); // ts.GetState(&TS_State); // if (TS_State.touchDetected) { // // Clear lines corresponding to old touches coordinates // if (TS_State.touchDetected < prev_nb_touches) { // for (idx = (TS_State.touchDetected + 1); idx <= 5; idx++) { // lcd.ClearStringLine(idx); // } // } // prev_nb_touches = TS_State.touchDetected; // // cleared = 0; // // sprintf((char*)text, "Touches: %d", TS_State.touchDetected); // lcd.DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE); // // for (idx = 0; idx < TS_State.touchDetected; idx++) { // x = TS_State.touchX[idx]; // y = TS_State.touchY[idx]; // sprintf((char*)text, "Touch %d: x=%d y=%d ", idx+1, x, y); // lcd.DisplayStringAt(0, LINE(idx+1), (uint8_t *)&text, LEFT_MODE); // } // // lcd.DrawPixel(TS_State.touchX[0], TS_State.touchY[0], LCD_COLOR_ORANGE); // } else { // if (!cleared) { // lcd.Clear(LCD_COLOR_BLUE); // sprintf((char*)text, "Touches: 0"); // lcd.DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE); // cleared = 1; // } // } } }