X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fsysclk-lwla%2Flwla.c;h=aee9d060503f37bff3c0008242f6bae079e4cb65;hb=e1172cf847e522b07d063c36c3f54b0a5dc8429f;hp=1934d61724f07bb9eaa80700707a9ac15cd42c3c;hpb=3a322bbc3b0f4d79a79cffac00aeb05ff69ce535;p=libsigrok.git

diff --git a/src/hardware/sysclk-lwla/lwla.c b/src/hardware/sysclk-lwla/lwla.c
index 1934d617..aee9d060 100644
--- a/src/hardware/sysclk-lwla/lwla.c
+++ b/src/hardware/sysclk-lwla/lwla.c
@@ -191,6 +191,33 @@ SR_PRIV int lwla_read_reg(const struct sr_usb_dev_inst *usb,
 	return ret;
 }
 
+SR_PRIV int lwla_read_long_reg(const struct sr_usb_dev_inst *usb,
+			       uint32_t addr, uint64_t *value)
+{
+	uint32_t low, high, dummy;
+	int ret;
+
+	ret = lwla_write_reg(usb, REG_LONG_ADDR, addr);
+	if (ret != SR_OK)
+		return ret;
+
+	ret = lwla_read_reg(usb, REG_LONG_STROBE, &dummy);
+	if (ret != SR_OK)
+		return ret;
+
+	ret = lwla_read_reg(usb, REG_LONG_HIGH, &high);
+	if (ret != SR_OK)
+		return ret;
+
+	ret = lwla_read_reg(usb, REG_LONG_LOW, &low);
+	if (ret != SR_OK)
+		return ret;
+
+	*value = ((uint64_t)high << 32) | low;
+
+	return SR_OK;
+}
+
 SR_PRIV int lwla_write_reg(const struct sr_usb_dev_inst *usb,
 			   uint16_t reg, uint32_t value)
 {