diff options
Diffstat (limited to 'openpcd/firmware/src/pcd/main_reqa.c')
| -rw-r--r-- | openpcd/firmware/src/pcd/main_reqa.c | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/openpcd/firmware/src/pcd/main_reqa.c b/openpcd/firmware/src/pcd/main_reqa.c deleted file mode 100644 index e28fdff..0000000 --- a/openpcd/firmware/src/pcd/main_reqa.c +++ /dev/null @@ -1,265 +0,0 @@ -/* main_reqa - OpenPCD firmware for generating an endless loop of - * ISO 14443-A REQA packets. Alternatively we can send WUPA, or - * perform a full ISO14443A anti-collision loop. - * - * If a response is received from the PICC, LED1 (Red) will be switched - * on. If no valid response has been received within the timeout of the - * receiver, LED1 (Red) will be switched off. - * - */ - -#include <errno.h> -#include <string.h> -#include <lib_AT91SAM7.h> -#include <librfid/rfid_layer2_iso14443a.h> -#include "rc632.h" -#include <os/dbgu.h> -#include <os/led.h> -#include <os/pcd_enumerate.h> -#include <os/trigger.h> - -#include "../openpcd.h" - -#ifdef WITH_TC -#include "tc.h" -#endif - -void _init_func(void) -{ - trigger_init(); - DEBUGPCRF("enabling RC632"); - rc632_init(); -#ifdef WITH_TC - DEBUGPCRF("enabling TC"); - tc_cdiv_init(); -#endif - DEBUGPCRF("turning on RF"); - rc632_turn_on_rf(RAH); - DEBUGPCRF("initializing 14443A operation"); - rc632_iso14443a_init(RAH); -} - -#define MODE_REQA 0x01 -#define MODE_WUPA 0x02 -#define MODE_ANTICOL 0x03 -#define MODE_14443A 0x04 - -static volatile int mode = MODE_REQA; - -static const char frame_14443a[] = { 0x00, 0xff, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66 }; - -static void reg_inc(u_int8_t reg) -{ - u_int8_t val; - rc632_reg_read(RAH, reg, &val); - rc632_reg_write(RAH, reg, val++); - DEBUGPCRF("reg 0x%02x = 0x%02x", reg, val); -} - -static void reg_dec(u_int8_t reg) -{ - u_int8_t val; - rc632_reg_read(RAH, reg, &val); - rc632_reg_write(RAH, reg, val--); - DEBUGPCRF("reg 0x%02x = 0x%02x", reg, val); -} - -static u_int8_t ana_out_sel; -static u_int8_t mfout_sel; -static u_int8_t speed_idx; - -static void help(void) -{ - DEBUGPCR("r: REQA w: WUPA a: ANTICOL\r\n" - "A: 14443A +: inc speed -: dec speed\r\n" - "y: inc cw cond x: dec cond c: inc mod cond"); - DEBUGPCR("v: dec mod cond o: dec ana_out p: dec ana_out\r\n" - "h: trigger high l: trigger low u: dec MFOUT mode"); - DEBUGPCR("i: inc MFOUT md <: dec cdiv ph >: inc cdiv phase\r\n" - "{: dev cdiv }: inc cdiv"); -} - -static u_int16_t cdivs[] = { 128, 64, 32, 16 }; - -int _main_dbgu(char key) -{ - int ret = 0; - static int cdiv_idx = 0; - - switch (key) { - case '?': - help(); - break; - case 'r': - mode = MODE_REQA; - break; - case 'w': - mode = MODE_WUPA; - break; - case 'A': - mode = MODE_14443A; - break; - case 'a': - mode = MODE_ANTICOL; - break; - /* Those below don't work as long as - * iso14443a_init() is called before - * every cycle */ - case 'y': - reg_inc(RC632_REG_CW_CONDUCTANCE); - break; - case 'x': - reg_dec(RC632_REG_CW_CONDUCTANCE); - break; - case 'c': - reg_inc(RC632_REG_MOD_CONDUCTANCE); - break; - case 'v': - reg_dec(RC632_REG_MOD_CONDUCTANCE); - break; - case 'o': - if (ana_out_sel > 0) { - ana_out_sel--; - DEBUGPCR("switching to analog output mode 0x%x\n", ana_out_sel); - rc632_reg_write(RAH, RC632_REG_TEST_ANA_SELECT, ana_out_sel); - } - ret = 1; - break; - case 'p': - if (ana_out_sel < 0xc) { - ana_out_sel++; - DEBUGPCR("switching to analog output mode 0x%x\n", ana_out_sel); - rc632_reg_write(RAH, RC632_REG_TEST_ANA_SELECT, ana_out_sel); - } - ret = 1; - break; - case 'u': - if (mfout_sel > 0) { - mfout_sel--; - DEBUGPCR("switching to MFOUT mode 0x%x\n", mfout_sel); - rc632_reg_write(RAH, RC632_REG_MFOUT_SELECT, mfout_sel); - } - ret = 1; - break; - case 'i': - if (mfout_sel < 5) { - mfout_sel++; - DEBUGPCR("switching to MFOUT mode 0x%x\n", mfout_sel); - rc632_reg_write(RAH, RC632_REG_MFOUT_SELECT, mfout_sel); - } - ret = 1; - break; - case 'h': - AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER); - break; - case 'l': - AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER); - break; -#ifdef WITH_TC - case '<': - tc_cdiv_phase_inc(); - break; - case '>': - tc_cdiv_phase_dec(); - break; - case '{': - if (cdiv_idx > 0) - cdiv_idx--; - tc_cdiv_set_divider(cdivs[cdiv_idx]); - break; - case '}': - if (cdiv_idx < ARRAY_SIZE(cdivs)-1) - cdiv_idx++; - tc_cdiv_set_divider(cdivs[cdiv_idx]); - break; -#endif - case '-': - if (speed_idx > 0) - speed_idx--; - break; - case '+': - if (speed_idx < 3) - speed_idx++; - break; - default: - return -EINVAL; - } - - return ret; -} - -void _main_func(void) -{ - int status; - struct iso14443a_atqa atqa; - struct rfid_layer2_handle l2h; - volatile int i; - - memset(&atqa, 0, sizeof(atqa)); - - /* fake layer2 handle initialization */ - memset(&l2h, 0, sizeof(l2h)); - l2h.l2 = &rfid_layer2_iso14443a; - l2h.priv.iso14443a.state = ISO14443A_STATE_NONE; - l2h.priv.iso14443a.level = ISO14443A_LEVEL_NONE; - - /* FIXME: why does this only work every second attempt without reset or - * power-cycle? */ - rc632_turn_off_rf(); - //rc632_reset(); - rc632_turn_on_rf(); - - rc632_iso14443a_init(RAH); - rc632_reg_write(RAH, RC632_REG_TEST_ANA_SELECT, ana_out_sel); - rc632_reg_write(RAH, RC632_REG_MFOUT_SELECT, mfout_sel); - for (i = 0; i < 0x3ffff; i++) {} - //rc632_dump(); -#ifdef WITH_TC - tc_cdiv_print(); -#endif - - switch (mode) { - case MODE_REQA: - status = rc632_iso14443a_transceive_sf(RAH, ISO14443A_SF_CMD_REQA, &atqa); - if (status < 0) - DEBUGPCRF("error during transceive_sf REQA"); - else - DEBUGPCRF("received ATQA: %s", hexdump((char *)&atqa, sizeof(atqa))); - break; - case MODE_WUPA: - status = rc632_iso14443a_transceive_sf(RAH, ISO14443A_SF_CMD_WUPA, &atqa); - if (status < 0) - DEBUGPCRF("error during transceive_sf WUPA"); - else - DEBUGPCRF("received WUPA: %s", hexdump((char *)&atqa, sizeof(atqa))); - break; - case MODE_ANTICOL: - status = rfid_layer2_iso14443a.fn.open(&l2h); - if (status < 0) - DEBUGPCR("error during anticol"); - else - DEBUGPCR("Anticol OK"); - break; - case MODE_14443A: - { - char rx_buf[4]; - int rx_len = sizeof(rx_buf); - rfid_layer2_iso14443a.fn.setopt(&l2h, RFID_OPT_14443A_SPEED_RX, - &speed_idx, sizeof(speed_idx)); - rfid_layer2_iso14443a.fn.setopt(&l2h, RFID_OPT_14443A_SPEED_TX, - &speed_idx, sizeof(speed_idx)); - rfid_layer2_iso14443a.fn.transceive(&l2h, RFID_14443A_FRAME_REGULAR, - &frame_14443a, sizeof(frame_14443a), - &rx_buf, &rx_len, 1, 0); - } - break; - } - - if (status < 0) - led_switch(1, 0); - else - led_switch(1, 1); - - led_toggle(2); - -} |