1 files changed, 85 insertions, 0 deletions
diff --git a/firmware/src/pcd/main_analog.c b/firmware/src/pcd/main_analog.c
new file mode 100644
index 0000000..8ffa1d4
--- /dev/null
+++ b/firmware/src/pcd/main_analog.c
@@ -0,0 +1,85 @@
+/* main_reqa - OpenPCD firmware for generating an endless loop of
+ * ISO 14443-A REQA packets.
+ *
+ * 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 <librfid/rfid_layer2_iso14443a.h>
+#include "rc632.h"
+#include <os/dbgu.h>
+#include <os/led.h>
+#include <os/trigger.h>
+#include <os/pcd_enumerate.h>
+#include <os/main.h>
+
+void _init_func(void)
+{
+	trigger_init();
+	rc632_init();
+	DEBUGPCRF("turning on RF");
+	rc632_turn_on_rf(RAH);
+	/* FIXME: do we need this? */
+	DEBUGPCRF("initializing 14443A operation");
+	rc632_iso14443a_init(RAH);
+	/* Switch to 848kBps (1subcp / bit) */
+	//rc632_clear_bits(RAH, RC632_REG_RX_CONTROL1, RC632_RXCTRL1_SUBCP_MASK);
+}
+
+int _main_dbgu(char key)
+{
+	static char ana_out_sel;
+	int ret = -EINVAL;
+
+	switch (key) {
+	case 'q':
+		ana_out_sel--;
+		ret = 1;
+		break;
+	case 'w':
+		ana_out_sel++;
+		ret = 1;
+		break;
+	case 'c':
+		rc632_turn_on_rf(RAH);
+		break;
+	case 'o':
+		rc632_turn_off_rf(RAH);
+		break;
+	}
+
+	if (ana_out_sel >= 0xd)
+		ana_out_sel = 0;
+
+	if (ret == 1) {
+		ana_out_sel &= 0x0f;
+		DEBUGPCR("switching to analog output mode 0x%x\n", ana_out_sel);
+		rc632_reg_write(RAH, RC632_REG_TEST_ANA_SELECT, ana_out_sel);
+	}
+
+	return ret;
+}
+
+void _main_func(void)
+{
+#if 1
+	struct iso14443a_atqa atqa;
+
+	memset(&atqa, 0, sizeof(atqa));
+
+	trigger_pulse();
+
+	if (rc632_iso14443a_transceive_sf(RAH, ISO14443A_SF_CMD_WUPA, &atqa) < 0) {
+		DEBUGPCRF("error during transceive_sf");
+		led_switch(1, 0);
+	} else {
+		DEBUGPCRF("received ATQA: %s\n", hexdump((char *)&atqa, sizeof(atqa)));
+		led_switch(1, 1);
+	}
+#endif	
+	led_toggle(2);
+}