Initial Wiegand support

Wiegand protocol is used on some access control devices. https://en.wikipedia.org/wiki/Wiegand_interface This mode allows to read/write on Wiegand interfaces.
hydrabus · Sep 11, 2018 · b3f3e1b · b3f3e1b
1 parent cb077a7
commit b3f3e1b
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Showing 8 changed files with 453 additions and 5 deletions.
diff --git a/src/common/exec.c b/src/common/exec.c
@@ -210,6 +210,7 @@ static struct cmd_map {
 	{ T_TWOWIRE, cmd_mode_init },
 	{ T_THREEWIRE, cmd_mode_init },
 	{ T_FLASH, cmd_mode_init },
+	{ T_WIEGAND, cmd_mode_init },
 	{ 0, NULL }
 };
 

diff --git a/src/common/mode_config.h b/src/common/mode_config.h
@@ -115,6 +115,14 @@ typedef struct {
 	uint8_t dev_bit_lsb_msb;
 } onewire_config_t;
 
+typedef struct {
+	mode_dev_gpio_mode_t dev_gpio_mode;
+	mode_dev_gpio_pull_t dev_gpio_pull;
+	uint8_t dev_bit_lsb_msb;
+	uint32_t dev_pulse_width;
+	uint32_t dev_pulse_gap;
+} wiegand_config_t;
+
 typedef struct {
 	uint32_t dev_speed;
 	mode_dev_gpio_mode_t dev_gpio_mode;
@@ -151,6 +159,7 @@ typedef struct {
 		flash_config_t flash;
 		onewire_config_t onewire;
 		rawwire_config_t rawwire;
+		wiegand_config_t wiegand;
 		sump_config_t sump;
 		hydranfc_config_t hydranfc;
 	} config;

diff --git a/src/hydrabus/commands.c b/src/hydrabus/commands.c
@@ -152,6 +152,7 @@ t_token_dict tl_dict[] = {
 	{ T_TS1, "ts1" },
 	{ T_TS2, "ts2" },
 	{ T_SJW, "sjw" },
+	{ T_WIEGAND, "wiegand" },
 	/* Developer warning add new command(s) here */
 
 	/* BP-compatible commands */
@@ -1192,11 +1193,6 @@ t_token tokens_mode_threewire[] = {
 		.flags = T_FLAG_SUFFIX_TOKEN_DELIM_INT,
 		.help = "Read byte (repeat with :<num>)"
 	},
-	{
-		T_HD,
-		.flags = T_FLAG_SUFFIX_TOKEN_DELIM_INT,
-		.help = "Read byte (repeat with :<num>) and print hexdump"
-	},
 	{
 		T_WRITE,
 		.flags = T_FLAG_SUFFIX_TOKEN_DELIM_INT,
@@ -1352,6 +1348,82 @@ t_token tokens_gpio[] = {
 	{ }
 };
 
+#define WIEGAND_PARAMETERS \
+	{ T_DEVICE, \
+		.arg_type = T_ARG_UINT, \
+		.help = "Wiegand device (1)" }, \
+	{ T_PULL, \
+		.arg_type = T_ARG_TOKEN, \
+		.subtokens = tokens_gpio_pull, \
+		.help = "GPIO pull (up/down/floating)" },
+t_token tokens_mode_wiegand[] = {
+	{
+		T_SHOW,
+		.subtokens = tokens_mode_show,
+		.help = "Show wiegand parameters"
+	},
+	WIEGAND_PARAMETERS
+	/* wiegand-specific commands */
+	{
+		T_READ,
+		.flags = T_FLAG_SUFFIX_TOKEN_DELIM_INT,
+		.help = "Read byte (repeat with :<num>)"
+	},
+	{
+		T_HD,
+		.flags = T_FLAG_SUFFIX_TOKEN_DELIM_INT,
+		.help = "Read byte (repeat with :<num>) and print hexdump"
+	},
+	{
+		T_WRITE,
+		.flags = T_FLAG_SUFFIX_TOKEN_DELIM_INT,
+		.help = "Write byte (repeat with :<num>)"
+	},
+	{
+		T_ARG_UINT,
+		.flags = T_FLAG_SUFFIX_TOKEN_DELIM_INT,
+		.help = "Write byte (repeat with :<num>)"
+	},
+	{
+		T_ARG_STRING,
+		.help = "Write string"
+	},
+	/* BP commands */
+	{
+		T_MINUS,
+		.help = "Write one bit (D1)"
+	},
+	{
+		T_UNDERSCORE,
+		.help = "Write one bit (D0)"
+	},
+	{
+		T_AMPERSAND,
+		.flags = T_FLAG_SUFFIX_TOKEN_DELIM_INT,
+		.help = "Delay 1 usec (repeat with :<num>)"
+	},
+	{
+		T_PERCENT,
+		.flags = T_FLAG_SUFFIX_TOKEN_DELIM_INT,
+		.help = "Delay 1 msec (repeat with :<num>)"
+	},
+	{
+		T_TILDE,
+		.flags = T_FLAG_SUFFIX_TOKEN_DELIM_INT,
+		.help = "Write a random byte (repeat with :<num>)"
+	},
+	{
+		T_EXIT,
+		.help = "Exit wiegand mode"
+	},
+	{ }
+};
+
+t_token tokens_wiegand[] = {
+	WIEGAND_PARAMETERS
+	{ }
+};
+
 t_token tokens_adc[] = {
 	{
 		T_ADC1,
@@ -1698,6 +1770,11 @@ t_token tl_tokens[] = {
 		.subtokens = tokens_flash,
 		.help = "NAND flash mode"
 	},
+	{
+		T_WIEGAND,
+		.subtokens = tokens_wiegand,
+		.help = "Wiegand mode"
+	},
 	{
 		T_DEBUG,
 		.subtokens = tokens_debug,

diff --git a/src/hydrabus/commands.h b/src/hydrabus/commands.h
@@ -144,6 +144,7 @@ enum {
 	T_TS1,
 	T_TS2,
 	T_SJW,
+	T_WIEGAND,
 	/* Developer warning add new command(s) here */
 
 	/* BP-compatible commands */

diff --git a/src/hydrabus/hydrabus.mk b/src/hydrabus/hydrabus.mk
@@ -29,6 +29,7 @@ HYDRABUSSRC = hydrabus/hydrabus.c \
             hydrabus/hydrabus_bbio_flash.c \
             hydrabus/hydrabus_sd.c \
             hydrabus/hydrabus_trigger.c \
+            hydrabus/hydrabus_mode_wiegand.c \
 
 # Required include directories
 HYDRABUSINC = ./hydrabus
diff --git a/src/hydrabus/hydrabus_mode.c b/src/hydrabus/hydrabus_mode.c
@@ -48,6 +48,7 @@ extern const mode_exec_t mode_twowire_exec;
 extern const mode_exec_t mode_threewire_exec;
 extern const mode_exec_t mode_can_exec;
 extern const mode_exec_t mode_flash_exec;
+extern const mode_exec_t mode_wiegand_exec;
 extern t_token tokens_mode_spi[];
 extern t_token tokens_mode_i2c[];
 extern t_token tokens_mode_uart[];
@@ -60,6 +61,7 @@ extern t_token tokens_mode_twowire[];
 extern t_token tokens_mode_threewire[];
 extern t_token tokens_mode_can[];
 extern t_token tokens_mode_flash[];
+extern t_token tokens_mode_wiegand[];
 
 static struct {
 	int token;
@@ -78,6 +80,7 @@ static struct {
 	{ T_THREEWIRE, tokens_mode_threewire, &mode_threewire_exec },
 	{ T_CAN, tokens_mode_can, &mode_can_exec },
 	{ T_FLASH, tokens_mode_flash, &mode_flash_exec },
+	{ T_WIEGAND, tokens_mode_wiegand, &mode_wiegand_exec },
 };
 
 const char hydrabus_mode_str_cs_enabled[] =  "/CS ENABLED\r\n";