initial commit, turning LEDs off is workingv0.9

1 files changed, 66 insertions, 0 deletions

diff --git a/include/lan7800-led-ctl.h b/include/lan7800-led-ctl.h
new file mode 100644
index 0000000..8af9620
--- /dev/null
+++ b/include/lan7800-led-ctl.h
@@ -0,0 +1,66 @@
+/*
+	lan7800-led-ctl - control LEDs of LAN7800 ethernet/usb controllers
+	
+	Copyright (C) 2018 Dominic Radermacher <dominic@familie-radermacher.ch>
+	
+	This program is free software; you can redistribute it and/or modify it
+	under the terms of the GNU General Public License version 3 as
+	published by the Free Software Foundation
+	
+	This program is distributed in the hope that it will be useful, but
+	WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+	See the GNU General Public License for more details.
+	
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software Foundation,
+	Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#define USB_CTRL_TIMEOUT	(5000)
+#define LAN7800_VENDOR_ID	(0x0424)
+#define	LAN7800_PRODUCT_ID	(0x7800)
+
+/* values from LAN7800 databook */
+#define USB_VENDOR_REQUEST_WR_REG	(0xa0)
+#define USB_VENDOR_REQUEST_RD_REG	(0xa1)
+
+/* register adresses - from LAN7800 databook */
+#define REG_HW_CFG			(0x10)	/* hardware config register */
+/* bit 20-23: LED0-LED3 enable */
+#define REG_GPIO_CFG0			(0x18)
+
+/* meaning of the (relevant) bits in the HW_CFG register */
+#define HW_CFG_LED0_EN	(1<<20)
+#define HW_CFG_LED1_EN	(1<<21)
+#define HW_CFG_LED2_EN	(1<<22)
+#define HW_CFG_LED3_EN	(1<<23)
+/* meaning of the (relevant) bits in the GPIO_CFG0 register */
+#define GPIO_CFG0_GPIOEN0	(1<<12)
+#define GPIO_CFG0_GPIOEN1	(1<<13)
+#define GPIO_CFG0_GPIOBUF0	(1<<8)
+#define GPIO_CFG0_GPIOBUF1	(1<<9)
+#define GPIO_CFG0_GPIODIR0	(1<<4)
+#define GPIO_CFG0_GPIODIR1	(1<<5)
+#define GPIO_CFG0_GPIOD0	(1<<0)
+#define GPIO_CFG0_GPIOD1	(1<<1)
+
+/* */
+#define HW_CFG_LED_EN		(HW_CFG_LED0_EN|HW_CFG_LED1_EN)
+
+#define LED0_MASK	(HW_CFG_LED0_EN|GPIO_CFG0_GPIOD0|GPIO_CFG0_GPIODIR0|GPIO_CFG0_GPIOBUF0|GPIO_CFG0_GPIOEN0)
+#define LED1_MASK	(HW_CFG_LED1_EN|GPIO_CFG0_GPIOD1|GPIO_CFG0_GPIODIR1|GPIO_CFG0_GPIOBUF1|GPIO_CFG0_GPIOEN1)
+
+#define MODE_OFF	0
+#define MODE_ON		1
+#define MODE_STATUS	2
+#define MODE_KEEP	4
+#define MODE_ERR	-1
+
+void usage(void);
+void about(void);
+int ledmode(const char* str);
+int parse_args(int argc, char **argv);
+libusb_device_handle *usbdev_open(int vid, int pid);
+int lan7800_rd_reg(libusb_device_handle *h, uint16_t reg, uint32_t *val);
+int lan7800_wr_reg(libusb_device_handle *h, uint16_t reg, uint32_t val);