contrib/firmware: add new i2c bit-banging feature to angie's firmware
add new i2c bit-banging feature, we can now connect in JTAG with the SoC target and in i2c with the main board components at the same time. Change-Id: I8e4516fe1ad5238e0373444f1c3c9bc0814d0f52 Signed-off-by: Ahmed BOUDJELIDA <aboudjelida@nanoxplore.com> Reviewed-on: https://review.openocd.org/c/openocd/+/7796 Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Ahmed BOUDJELIDA
Antonio Borneo
parent
aa0056d273
commit
aee495e785
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@ -38,7 +38,7 @@ LDFLAGS = --code-loc 0x0000 --code-size $(CODE_SIZE) --xram-loc $(XRAM_LOC) \
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--xram-size $(XRAM_SIZE) --iram-size 256 --model-small
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# list of base object files
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OBJECTS = main.rel usb.rel protocol.rel jtag.rel delay.rel USBJmpTb.rel serial.rel gpif.rel
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OBJECTS = main.rel usb.rel protocol.rel jtag.rel delay.rel USBJmpTb.rel serial.rel gpif.rel i2c.rel
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HEADERS = $(INCLUDE_DIR)/usb.h \
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$(INCLUDE_DIR)/protocol.h \
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$(INCLUDE_DIR)/jtag.h \
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@ -47,7 +47,8 @@ HEADERS = $(INCLUDE_DIR)/usb.h \
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$(INCLUDE_DIR)/io.h \
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$(INCLUDE_DIR)/serial.h \
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$(INCLUDE_DIR)/fx2macros.h \
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$(INCLUDE_DIR)/msgtypes.h
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$(INCLUDE_DIR)/msgtypes.h \
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$(INCLUDE_DIR)/i2c.h
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# Disable all built-in rules.
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.SUFFIXES:
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@ -61,7 +62,7 @@ all: angie_firmware.ihx
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angie_firmware.ihx: $(OBJECTS)
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$(CC) -mmcs51 $(LDFLAGS) -o $@ $^
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# Rebuild every C module (there are only 5 of them) if any header changes.
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# Rebuild every C module (there are only 8 of them) if any header changes.
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%.rel: $(SRC_DIR)/%.c $(HEADERS)
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$(CC) -c $(CFLAGS) -mmcs51 -I$(INCLUDE_DIR) -o $@ $<
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@ -12,8 +12,8 @@ To compile the firmware, the SDCC compiler package is required. Most Linux
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distributions include SDCC in their official package repositories. The SDCC
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source code can be found at http://sdcc.sourceforge.net/
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Simply type "make hex" in the ANGIE directory to compile the firmware.
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"make clean" will remove all generated files except the Intel HEX file
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Simply type "make bin" in the ANGIE directory to compile the firmware.
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"make clean" will remove all generated files except the BIN file
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required for downloading the firmware to ANGIE.
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Note that the EZ-USB FX2 microcontroller does not have on-chip flash,
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@ -0,0 +1,28 @@
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/****************************************************************************
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File : i2c.h *
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Contents : i2c bit-bang library *
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Copyright 2023, Ahmed Errached BOUDJELIDA, NanoXplore SAS. *
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<aboudjelida@nanoxplore.com> *
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<ahmederrachedbjld@gmail.com> *
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*****************************************************************************/
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#ifndef __I2C_H
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#define __I2C_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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void start_cd(void);
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void repeated_start(void);
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void stop_cd(void);
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void clock_cd(void);
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void send_ack(void);
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bool get_ack(void);
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uint8_t get_address(uint8_t adr, uint8_t rdwr);
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void send_byte(uint8_t input);
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uint8_t receive_byte(void);
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#endif
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@ -45,14 +45,14 @@
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#define PIN_TDI IOB3
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#define PIN_TDO IOB4
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#define PIN_SRST IOB5
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/* PA6 Not Connected */
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/* PA7 Not Connected */
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/* PB6 Not Connected */
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/* PB7 Not Connected */
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/* JTAG Signals with direction 'OUT' on port B */
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/* PIN_TDI - PIN_TCK - PIN_TMS - PIN_TRST - PIN_SRST */
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#define MASK_PORTB_DIRECTION_OUT (bmbit0 | bmbit1 | bmbit2 | bmbit3 | bmbit5)
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/* PORT C */ // Debug:
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/* PORT C */
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#define PIN_T0 IOC0
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#define PIN_T1 IOC1
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#define PIN_T2 IOC2
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@ -62,4 +62,14 @@
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/* PC6 Not Connected */
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/* PC7 Not Connected */
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/* PORT D */
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#define PIN_SDA IOD0
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#define PIN_SCL IOD1
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#define PIN_SDA_DIR IOD2
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/* PD3 Not Connected */
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/* PD4 Not Connected */
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/* PD5 Not Connected */
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/* PD6 Not Connected */
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/* PD7 Not Connected */
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#endif
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@ -24,18 +24,19 @@
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#define STALL_EP0() (EP0CS |= EPSTALL)
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#define CLEAR_IRQ() (USBINT = 0)
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/*********** USB descriptors. See section 9.5 of the USB 1.1 spec **********/
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/*********** USB descriptors. See USB 2.0 Spec **********/
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/* USB Descriptor Types. See USB 1.1 spec, page 187, table 9-5 */
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#define DESCRIPTOR_TYPE_DEVICE 0x01
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#define DESCRIPTOR_TYPE_CONFIGURATION 0x02
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#define DESCRIPTOR_TYPE_STRING 0x03
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#define DESCRIPTOR_TYPE_INTERFACE 0x04
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#define DESCRIPTOR_TYPE_ENDPOINT 0x05
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/* USB Descriptor Types. See USB 2.0 Spec */
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#define DESCRIPTOR_TYPE_DEVICE 0x01
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#define DESCRIPTOR_TYPE_CONFIGURATION 0x02
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#define DESCRIPTOR_TYPE_STRING 0x03
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#define DESCRIPTOR_TYPE_INTERFACE 0x04
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#define DESCRIPTOR_TYPE_ENDPOINT 0x05
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#define DESCRIPTOR_TYPE_INTERFACE_ASSOCIATION 0x0B
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#define STR_DESCR(len, ...) { (len) * 2 + 2, DESCRIPTOR_TYPE_STRING, { __VA_ARGS__ } }
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/** USB Device Descriptor. See USB 1.1 spec, pp. 196 - 198 */
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/** USB Device Descriptor. See USB 2.0 Spec */
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struct usb_device_descriptor {
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uint8_t blength; /**< Size of this descriptor in bytes. */
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uint8_t bdescriptortype; /**< DEVICE Descriptor Type. */
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@ -53,7 +54,7 @@ struct usb_device_descriptor {
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uint8_t bnumconfigurations; /**< Number of possible configurations. */
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};
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/** USB Configuration Descriptor. See USB 1.1 spec, pp. 199 - 200 */
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/** USB Configuration Descriptor. See USB 2.0 Spec */
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struct usb_config_descriptor {
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uint8_t blength; /**< Size of this descriptor in bytes. */
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uint8_t bdescriptortype; /**< CONFIGURATION descriptor type. */
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@ -65,7 +66,19 @@ struct usb_config_descriptor {
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uint8_t maxpower; /**< Maximum power consumption in 2 mA units. */
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};
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/** USB Interface Descriptor. See USB 1.1 spec, pp. 201 - 203 */
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/** USB Interface association Descriptor. See USB 2.0 Spec */
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struct usb_interface_association_descriptor {
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uint8_t blength;
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uint8_t bdescriptortype;
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uint8_t bfirstinterface;
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uint8_t binterfacecount;
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uint8_t bfunctionclass;
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uint8_t bfunctionsubclass;
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uint8_t bfunctionprotocol;
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uint8_t ifunction;
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};
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/** USB Interface Descriptor. See USB 2.0 Spec */
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struct usb_interface_descriptor {
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uint8_t blength; /**< Size of this descriptor in bytes. */
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uint8_t bdescriptortype; /**< INTERFACE descriptor type. */
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@ -78,7 +91,7 @@ struct usb_interface_descriptor {
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uint8_t iinterface; /**< Index of interface string descriptor. */
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};
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/** USB Endpoint Descriptor. See USB 1.1 spec, pp. 203 - 204 */
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/** USB Endpoint Descriptor. See USB 2.0 Spec */
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struct usb_endpoint_descriptor {
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uint8_t blength; /**< Size of this descriptor in bytes. */
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uint8_t bdescriptortype; /**< ENDPOINT descriptor type. */
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@ -88,14 +101,14 @@ struct usb_endpoint_descriptor {
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uint8_t binterval; /**< Polling interval (in ms) for this endpoint. */
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};
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/** USB Language Descriptor. See USB 1.1 spec, pp. 204 - 205 */
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/** USB Language Descriptor. See USB 2.0 Spec */
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struct usb_language_descriptor {
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uint8_t blength; /**< Size of this descriptor in bytes. */
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uint8_t bdescriptortype; /**< STRING descriptor type. */
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uint16_t wlangid[]; /**< LANGID codes. */
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};
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/** USB String Descriptor. See USB 1.1 spec, pp. 204 - 205 */
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/** USB String Descriptor. See USB 2.0 Spec */
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struct usb_string_descriptor {
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uint8_t blength; /**< Size of this descriptor in bytes. */
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uint8_t bdescriptortype; /**< STRING descriptor type. */
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@ -104,7 +117,7 @@ struct usb_string_descriptor {
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/********************** USB Control Endpoint 0 related *********************/
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/** USB Control Setup Data. See USB 1.1 spec, pp. 183 - 185 */
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/** USB Control Setup Data. See USB 2.0 Spec */
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struct setup_data {
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uint8_t bmrequesttype; /**< Characteristics of a request. */
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uint8_t brequest; /**< Specific request. */
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@ -121,66 +134,66 @@ extern volatile bool ep1_in;
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extern volatile __xdata __at 0xE6B8 struct setup_data setup_data;
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/*
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* USB Request Types (bmRequestType): See USB 1.1 spec, page 183, table 9-2
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* USB Request Types (bmRequestType): See USB 2.0 Spec
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*
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* Bit 7: Data transfer direction
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* 0 = Host-to-device
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* 1 = Device-to-host
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* 0 = Host-to-device
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* 1 = Device-to-host
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* Bit 6...5: Type
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* 0 = Standard
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* 1 = Class
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* 2 = Vendor
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* 3 = Reserved
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* 0 = Standard
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* 1 = Class
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* 2 = Vendor
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* 3 = Reserved
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* Bit 4...0: Recipient
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* 0 = Device
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* 1 = Interface
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* 2 = Endpoint
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* 3 = Other
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* 4...31 = Reserved
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* 0 = Device
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* 1 = Interface
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* 2 = Endpoint
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* 3 = Other
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* 4...31 = Reserved
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*/
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#define USB_DIR_OUT 0x00
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#define USB_DIR_IN 0x80
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#define USB_DIR_OUT 0x00
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#define USB_DIR_IN 0x80
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#define USB_REQ_TYPE_STANDARD (0x00 << 5)
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#define USB_REQ_TYPE_CLASS (0x01 << 5)
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#define USB_REQ_TYPE_VENDOR (0x02 << 5)
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#define USB_REQ_TYPE_RESERVED (0x03 << 5)
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#define USB_RECIP_DEVICE 0x00
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#define USB_RECIP_INTERFACE 0x01
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#define USB_RECIP_ENDPOINT 0x02
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#define USB_RECIP_OTHER 0x03
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#define USB_RECIP_DEVICE 0x00
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#define USB_RECIP_INTERFACE 0x01
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#define USB_RECIP_ENDPOINT 0x02
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#define USB_RECIP_OTHER 0x03
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/* Clear Interface Request */
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#define CF_DEVICE (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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#define CF_DEVICE (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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#define CF_INTERFACE (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_INTERFACE)
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#define CF_ENDPOINT (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_ENDPOINT)
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/* Get Configuration Request */
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#define GC_DEVICE (USB_DIR_IN | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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#define GC_DEVICE (USB_DIR_IN | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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/* Get Descriptor Request */
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#define GD_DEVICE (USB_DIR_IN | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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#define GD_DEVICE (USB_DIR_IN | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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/* Get Interface Request */
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#define GI_INTERFACE (USB_DIR_IN | USB_REQ_TYPE_STANDARD | USB_RECIP_INTERFACE)
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/* Get Status Request: See USB 1.1 spec, page 190 */
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#define GS_DEVICE (USB_DIR_IN | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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#define GS_DEVICE (USB_DIR_IN | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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#define GS_INTERFACE (USB_DIR_IN | USB_REQ_TYPE_STANDARD | USB_RECIP_INTERFACE)
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#define GS_ENDPOINT (USB_DIR_IN | USB_REQ_TYPE_STANDARD | USB_RECIP_ENDPOINT)
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/* Set Address Request is handled by EZ-USB core */
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/* Set Configuration Request */
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#define SC_DEVICE (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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#define SC_DEVICE (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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/* Set Descriptor Request */
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#define SD_DEVICE (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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#define SD_DEVICE (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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/* Set Feature Request */
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#define SF_DEVICE (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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#define SF_DEVICE (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_DEVICE)
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#define SF_INTERFACE (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_INTERFACE)
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#define SF_ENDPOINT (USB_DIR_OUT | USB_REQ_TYPE_STANDARD | USB_RECIP_ENDPOINT)
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@ -190,27 +203,27 @@ extern volatile __xdata __at 0xE6B8 struct setup_data setup_data;
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/* Synch Frame Request */
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#define SY_ENDPOINT (USB_DIR_IN | USB_REQ_TYPE_STANDARD | USB_RECIP_ENDPOINT)
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/* USB Requests (bRequest): See USB 1.1 spec, table 9-4 on page 187 */
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#define GET_STATUS 0
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#define CLEAR_FEATURE 1
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/* USB Requests (bRequest): See USB 2.0 Spec */
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#define GET_STATUS 0
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#define CLEAR_FEATURE 1
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/* Value '2' is reserved for future use */
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#define SET_FEATURE 3
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#define SET_FEATURE 3
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/* Value '4' is reserved for future use */
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#define SET_ADDRESS 5
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#define GET_DESCRIPTOR 6
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#define SET_DESCRIPTOR 7
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#define GET_CONFIGURATION 8
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#define SET_CONFIGURATION 9
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#define SET_ADDRESS 5
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#define GET_DESCRIPTOR 6
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#define SET_DESCRIPTOR 7
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#define GET_CONFIGURATION 8
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#define SET_CONFIGURATION 9
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#define GET_INTERFACE 10
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#define SET_INTERFACE 11
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#define SYNCH_FRAME 12
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/* Standard Feature Selectors: See USB 1.1 spec, table 9-6 on page 188 */
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#define DEVICE_REMOTE_WAKEUP 1
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#define ENDPOINT_HALT 0
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/* Standard Feature Selectors: See USB 2.0 Spec */
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#define DEVICE_REMOTE_WAKEUP 1
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#define ENDPOINT_HALT 0
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/************************** EZ-USB specific stuff **************************/
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/** USB Interrupts. See AN2131-TRM, page 9-4 for details */
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/** USB Interrupts. See EZ-USB FX2-TRM, for details */
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enum usb_isr {
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SUDAV_ISR = 13,
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SOF_ISR,
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@ -265,7 +278,10 @@ bool usb_handle_set_feature(void);
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bool usb_handle_get_descriptor(void);
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void usb_handle_set_interface(void);
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void usb_handle_setup_data(void);
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void usb_handle_i2c_in(void);
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void usb_handle_i2c_out(void);
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void i2c_recieve(void);
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void ep_init(void);
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void interrupt_init(void);
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void io_init(void);
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@ -0,0 +1,127 @@
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// SPDX-License-Identifier: GPL-2.0-or-later
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/****************************************************************************
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File : i2c.cpp *
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Contents : i2c bit-bang library *
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Copyright 2023, Ahmed Errached BOUDJELIDA, NanoXplore SAS. *
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<aboudjelida@nanoxplore.com> *
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<ahmederrachedbjld@gmail.com> *
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*****************************************************************************/
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#include "i2c.h"
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#include "io.h"
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#include "delay.h"
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#include "reg_ezusb.h"
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void start_cd(void)
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{
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PIN_SDA = 0; //SDA = 1;
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delay_us(1);
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PIN_SCL = 0; //SCL = 1;
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delay_us(1);
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}
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void repeated_start(void)
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{
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PIN_SDA = 1;
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delay_us(1);
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PIN_SCL = 1;
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delay_us(1);
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PIN_SDA = 0;
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delay_us(1);
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PIN_SCL = 0;
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delay_us(1);
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}
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void stop_cd(void)
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{
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PIN_SDA = 0;
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delay_us(1);
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PIN_SCL = 1;
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delay_us(1);
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PIN_SDA = 1;
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delay_us(1);
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}
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void clock_cd(void)
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{
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PIN_SCL = 1;
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delay_us(1);
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PIN_SCL = 0;
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delay_us(1);
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}
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void send_ack(void)
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{
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PIN_SDA = 0;
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delay_us(1);
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PIN_SCL = 1;
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delay_us(1);
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PIN_SCL = 0;
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delay_us(1);
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}
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bool get_ack(void)
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{
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PIN_SDA_DIR = 1;
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delay_us(1);
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OED = 0xFE;
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PIN_SCL = 1;
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delay_us(1);
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bool ack = PIN_SDA;
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PIN_SCL = 0;
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delay_us(1);
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OED = 0xFF;
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PIN_SDA_DIR = 0;
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delay_us(1);
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return ack;
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}
|
||||
|
||||
/* here address(8 bits) = adr (7 bits) + type (1 bit) */
|
||||
uint8_t get_address(uint8_t adr, uint8_t rdwr)
|
||||
{
|
||||
adr &= 0x7F;
|
||||
adr = adr << 1;
|
||||
adr |= (rdwr & 0x01);
|
||||
return adr;
|
||||
}
|
||||
|
||||
/* here send bit after bit and clocking scl with each bit */
|
||||
void send_byte(uint8_t input)
|
||||
{
|
||||
for (uint8_t i = 0; i < 8; i++) {
|
||||
if ((input & 0x80)) {
|
||||
PIN_SDA = 1;
|
||||
delay_us(1);
|
||||
clock_cd();
|
||||
} else {
|
||||
PIN_SDA = 0;
|
||||
delay_us(1);
|
||||
clock_cd();
|
||||
}
|
||||
input = input << 1;
|
||||
}
|
||||
}
|
||||
|
||||
/* here receive bit after bit and clocking scl with each bit */
|
||||
|
||||
uint8_t receive_byte(void)
|
||||
{
|
||||
PIN_SDA_DIR = 1; //FX2 <-- FPGA
|
||||
OED = 0xFE;
|
||||
uint8_t input = 0x00;
|
||||
for (uint8_t i = 0; i < 8; i++) {
|
||||
PIN_SCL = 1;
|
||||
delay_us(1);
|
||||
input = input << 1;
|
||||
if (PIN_SDA == 1)
|
||||
input |= 0x01;
|
||||
else
|
||||
input |= 0X00;
|
||||
|
||||
PIN_SCL = 0;
|
||||
delay_us(1);
|
||||
}
|
||||
OED = 0xFF;
|
||||
PIN_SDA_DIR = 0;
|
||||
return input;
|
||||
}
|
||||
|
|
@ -139,15 +139,12 @@ bool execute_command(void)
|
|||
payload_index_in += usb_in_bytecount;
|
||||
|
||||
/* Determine if this was the last command */
|
||||
if ((cmd_id_index + usb_out_bytecount + 1) >= EP1OUTBC) {
|
||||
if ((cmd_id_index + usb_out_bytecount + 1) >= EP1OUTBC)
|
||||
return true;
|
||||
/* Line between return and else required by checkpatch: */
|
||||
uint8_t a = 0;
|
||||
} else {
|
||||
/* Not the last command, update cmd_id_index */
|
||||
cmd_id_index += (usb_out_bytecount + 1);
|
||||
return false;
|
||||
}
|
||||
|
||||
/* Not the last command, update cmd_id_index */
|
||||
cmd_id_index += (usb_out_bytecount + 1);
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
|||
|
|
@ -18,6 +18,7 @@
|
|||
#include <fx2macros.h>
|
||||
#include <serial.h>
|
||||
#include <stdio.h>
|
||||
#include "i2c.h"
|
||||
|
||||
/* Also update external declarations in "include/usb.h" if making changes to
|
||||
* these variables!
|
||||
|
|
@ -36,9 +37,9 @@ __code struct usb_device_descriptor device_descriptor = {
|
|||
.blength = sizeof(struct usb_device_descriptor),
|
||||
.bdescriptortype = DESCRIPTOR_TYPE_DEVICE,
|
||||
.bcdusb = 0x0200, /* BCD: 02.00 (Version 2.0 USB spec) */
|
||||
.bdeviceclass = 0xFF, /* 0xFF = vendor-specific */
|
||||
.bdevicesubclass = 0xFF,
|
||||
.bdeviceprotocol = 0xFF,
|
||||
.bdeviceclass = 0xEF,
|
||||
.bdevicesubclass = 0x02,
|
||||
.bdeviceprotocol = 0x01,
|
||||
.bmaxpacketsize0 = 64,
|
||||
.idvendor = 0x584e,
|
||||
.idproduct = 0x424e,
|
||||
|
|
@ -55,25 +56,36 @@ __code struct usb_config_descriptor config_descriptor = {
|
|||
.blength = sizeof(struct usb_config_descriptor),
|
||||
.bdescriptortype = DESCRIPTOR_TYPE_CONFIGURATION,
|
||||
.wtotallength = sizeof(struct usb_config_descriptor) +
|
||||
sizeof(struct usb_interface_descriptor) +
|
||||
(NUM_ENDPOINTS * sizeof(struct usb_endpoint_descriptor)),
|
||||
.bnuminterfaces = 1,
|
||||
3 * sizeof(struct usb_interface_descriptor) +
|
||||
((NUM_ENDPOINTS + 2) * sizeof(struct usb_endpoint_descriptor)),
|
||||
.bnuminterfaces = 2,
|
||||
.bconfigurationvalue = 1,
|
||||
.iconfiguration = 4, /* String describing this configuration */
|
||||
.iconfiguration = 1, /* String describing this configuration */
|
||||
.bmattributes = 0x80, /* Only MSB set according to USB spec */
|
||||
.maxpower = 50 /* 100 mA */
|
||||
};
|
||||
|
||||
__code struct usb_interface_association_descriptor interface_association_descriptor = {
|
||||
.blength = sizeof(struct usb_interface_association_descriptor),
|
||||
.bdescriptortype = DESCRIPTOR_TYPE_INTERFACE_ASSOCIATION,
|
||||
.bfirstinterface = 0x01,
|
||||
.binterfacecount = 0x02,
|
||||
.bfunctionclass = 0x02,
|
||||
.bfunctionsubclass = 0x00,
|
||||
.bfunctionprotocol = 0x00,
|
||||
.ifunction = 0x00
|
||||
};
|
||||
|
||||
__code struct usb_interface_descriptor interface_descriptor00 = {
|
||||
.blength = sizeof(struct usb_interface_descriptor),
|
||||
.bdescriptortype = DESCRIPTOR_TYPE_INTERFACE,
|
||||
.binterfacenumber = 0,
|
||||
.balternatesetting = 0,
|
||||
.bnumendpoints = NUM_ENDPOINTS,
|
||||
.binterfaceclass = 0xFF,
|
||||
.binterfacesubclass = 0xFF,
|
||||
.binterfaceprotocol = 0xFF,
|
||||
.iinterface = 0
|
||||
.binterfaceclass = 0XFF,
|
||||
.binterfacesubclass = 0x00,
|
||||
.binterfaceprotocol = 0x00,
|
||||
.iinterface = 4
|
||||
};
|
||||
|
||||
__code struct usb_endpoint_descriptor bulk_ep1_out_endpoint_descriptor = {
|
||||
|
|
@ -103,16 +115,19 @@ __code struct usb_endpoint_descriptor bulk_ep2_endpoint_descriptor = {
|
|||
.binterval = 0
|
||||
};
|
||||
|
||||
__code struct usb_endpoint_descriptor bulk_ep4_endpoint_descriptor = {
|
||||
.blength = sizeof(struct usb_endpoint_descriptor),
|
||||
.bdescriptortype = 0x05,
|
||||
.bendpointaddress = (4 | USB_DIR_IN),
|
||||
.bmattributes = 0x02,
|
||||
.wmaxpacketsize = 512,
|
||||
.binterval = 0
|
||||
__code struct usb_interface_descriptor interface_descriptor01 = {
|
||||
.blength = sizeof(struct usb_interface_descriptor),
|
||||
.bdescriptortype = DESCRIPTOR_TYPE_INTERFACE,
|
||||
.binterfacenumber = 1,
|
||||
.balternatesetting = 0,
|
||||
.bnumendpoints = 2,
|
||||
.binterfaceclass = 0x0A,
|
||||
.binterfacesubclass = 0x00,
|
||||
.binterfaceprotocol = 0x00,
|
||||
.iinterface = 0x00
|
||||
};
|
||||
|
||||
__code struct usb_endpoint_descriptor bulk_ep6_endpoint_descriptor = {
|
||||
__code struct usb_endpoint_descriptor bulk_ep6_out_endpoint_descriptor = {
|
||||
.blength = sizeof(struct usb_endpoint_descriptor),
|
||||
.bdescriptortype = 0x05,
|
||||
.bendpointaddress = (6 | USB_DIR_OUT),
|
||||
|
|
@ -121,19 +136,18 @@ __code struct usb_endpoint_descriptor bulk_ep6_endpoint_descriptor = {
|
|||
.binterval = 0
|
||||
};
|
||||
|
||||
__code struct usb_endpoint_descriptor bulk_ep8_endpoint_descriptor = {
|
||||
__code struct usb_endpoint_descriptor bulk_ep8_in_endpoint_descriptor = {
|
||||
.blength = sizeof(struct usb_endpoint_descriptor),
|
||||
.bdescriptortype = 0x05,
|
||||
.bendpointaddress = (8 | USB_DIR_OUT),
|
||||
.bendpointaddress = (8 | USB_DIR_IN),
|
||||
.bmattributes = 0x02,
|
||||
.wmaxpacketsize = 512,
|
||||
.binterval = 0
|
||||
};
|
||||
|
||||
__code struct usb_language_descriptor language_descriptor = {
|
||||
.blength = 4,
|
||||
.bdescriptortype = DESCRIPTOR_TYPE_STRING,
|
||||
.wlangid = {0x0409 /* US English */}
|
||||
.wlangid = {0x0409} /* US English */
|
||||
};
|
||||
|
||||
__code struct usb_string_descriptor strmanufacturer =
|
||||
|
|
@ -212,9 +226,15 @@ void ep4_isr(void)__interrupt EP4_ISR
|
|||
}
|
||||
void ep6_isr(void)__interrupt EP6_ISR
|
||||
{
|
||||
i2c_recieve();
|
||||
EXIF &= ~0x10; /* Clear USBINT: Main global interrupt */
|
||||
EPIRQ = 0x40; /* Clear individual EP6OUT IRQ */
|
||||
|
||||
}
|
||||
void ep8_isr(void)__interrupt EP8_ISR
|
||||
{
|
||||
EXIF &= ~0x10; /* Clear USBINT: Main global interrupt */
|
||||
EPIRQ = 0x80; /* Clear individual EP8IN IRQ */
|
||||
}
|
||||
void ibn_isr(void)__interrupt IBN_ISR
|
||||
{
|
||||
|
|
@ -411,21 +431,21 @@ bool usb_handle_clear_feature(void)
|
|||
switch (setup_data.bmrequesttype) {
|
||||
case CF_DEVICE:
|
||||
/* Clear remote wakeup not supported: stall EP0 */
|
||||
STALL_EP0();
|
||||
break;
|
||||
STALL_EP0();
|
||||
break;
|
||||
case CF_ENDPOINT:
|
||||
if (setup_data.wvalue == 0) {
|
||||
if (setup_data.wvalue == 0) {
|
||||
/* Unstall the endpoint specified in wIndex */
|
||||
ep_cs = usb_get_endpoint_cs_reg(setup_data.windex);
|
||||
if (!ep_cs)
|
||||
return false;
|
||||
*ep_cs &= ~EPSTALL;
|
||||
ep_cs = usb_get_endpoint_cs_reg(setup_data.windex);
|
||||
if (!ep_cs)
|
||||
return false;
|
||||
*ep_cs &= ~EPSTALL;
|
||||
} else {
|
||||
/* Unsupported feature, stall EP0 */
|
||||
STALL_EP0();
|
||||
}
|
||||
break;
|
||||
default:
|
||||
STALL_EP0();
|
||||
}
|
||||
break;
|
||||
default:
|
||||
/* Vendor commands... */
|
||||
break;
|
||||
}
|
||||
|
|
@ -597,7 +617,6 @@ bool usb_handle_send_bitstream(void)
|
|||
/* wait until GPIF transaction has been completed */
|
||||
while ((GPIFTRIG & BMGPIFDONE) == 0) {
|
||||
if (ix-- == 0) {
|
||||
printf("GPIF done time out\n");
|
||||
break;
|
||||
}
|
||||
delay_ms(1);
|
||||
|
|
@ -697,9 +716,9 @@ void ep_init(void)
|
|||
syncdelay(3);
|
||||
EP4CFG = 0x00;
|
||||
syncdelay(3);
|
||||
EP6CFG = 0x00;
|
||||
EP6CFG = 0xA2;
|
||||
syncdelay(3);
|
||||
EP8CFG = 0x00;
|
||||
EP8CFG = 0xE2;
|
||||
syncdelay(3);
|
||||
|
||||
/* arm EP1-OUT */
|
||||
|
|
@ -714,6 +733,12 @@ void ep_init(void)
|
|||
EP1INBC = 0;
|
||||
syncdelay(3);
|
||||
|
||||
/* arm EP6-OUT */
|
||||
EP6BCL = 0x80;
|
||||
syncdelay(3);
|
||||
EP6BCL = 0x80;
|
||||
syncdelay(3);
|
||||
|
||||
/* Standard procedure to reset FIFOs */
|
||||
FIFORESET = BMNAKALL; /* NAK all transfers during the reset */
|
||||
syncdelay(3);
|
||||
|
|
@ -727,9 +752,110 @@ void ep_init(void)
|
|||
syncdelay(3);
|
||||
}
|
||||
|
||||
void i2c_recieve(void)
|
||||
{
|
||||
PIN_SDA_DIR = 0;
|
||||
if (EP6FIFOBUF[0] == 1) {
|
||||
uint8_t rdwr = EP6FIFOBUF[0]; //read
|
||||
uint8_t reg_adr_check = EP6FIFOBUF[1];
|
||||
uint8_t count = EP6FIFOBUF[2]; //request data count
|
||||
uint8_t adr = EP6FIFOBUF[3]; //address
|
||||
uint8_t reg_adr = EP6FIFOBUF[4];
|
||||
uint8_t address = get_address(adr, rdwr); //address byte (read command)
|
||||
uint8_t address_2 = get_address(adr, 0); //address byte 2 (write command)
|
||||
|
||||
printf("%d\n", address);
|
||||
|
||||
/* start: */
|
||||
start_cd();
|
||||
/* address: */
|
||||
send_byte(address_2); //write
|
||||
/* ack: */
|
||||
uint8_t ack = get_ack();
|
||||
|
||||
delay_us(10);
|
||||
|
||||
/* send data */
|
||||
if (reg_adr_check) { //if there is a byte reg
|
||||
send_byte(reg_adr);
|
||||
/* ack(): */
|
||||
ack = get_ack();
|
||||
}
|
||||
|
||||
delay_us(10);
|
||||
|
||||
/* repeated start: */
|
||||
repeated_start();
|
||||
/* address: */
|
||||
send_byte(address);
|
||||
/* get ack: */
|
||||
ack = get_ack();
|
||||
|
||||
delay_us(10);
|
||||
|
||||
/* receive data */
|
||||
for (uint8_t i = 0; i < count; i++) {
|
||||
EP8FIFOBUF[i] = receive_byte();
|
||||
|
||||
/* send ack: */
|
||||
send_ack();
|
||||
}
|
||||
|
||||
delay_ms(1);
|
||||
|
||||
/* stop */
|
||||
stop_cd();
|
||||
|
||||
delay_us(10);
|
||||
|
||||
EP8BCH = 0; //EP8
|
||||
syncdelay(3);
|
||||
EP8BCL = count; //EP8
|
||||
|
||||
EP6BCL = 0x80; //EP6
|
||||
syncdelay(3);
|
||||
EP6BCL = 0x80; //EP6
|
||||
} else {
|
||||
uint8_t rdwr = EP6FIFOBUF[0]; //write
|
||||
uint8_t count = EP6FIFOBUF[1]; //data count
|
||||
uint8_t adr = EP6FIFOBUF[2]; //address
|
||||
uint8_t address = get_address(adr, rdwr); //address byte (read command)
|
||||
uint8_t ack_cnt = 0;
|
||||
|
||||
/* start(): */
|
||||
start_cd();
|
||||
/* address: */
|
||||
send_byte(address); //write
|
||||
/* ack(): */
|
||||
if (!get_ack())
|
||||
ack_cnt++;
|
||||
/* send data */
|
||||
for (uint8_t i = 0; i < count; i++) {
|
||||
send_byte(EP6FIFOBUF[i + 3]);
|
||||
|
||||
/* get ack: */
|
||||
if (!get_ack())
|
||||
ack_cnt++;
|
||||
}
|
||||
|
||||
/* stop */
|
||||
stop_cd();
|
||||
|
||||
EP8FIFOBUF[0] = ack_cnt;
|
||||
|
||||
EP8BCH = 0; //EP8
|
||||
syncdelay(3);
|
||||
EP8BCL = 1; //EP8
|
||||
|
||||
EP6BCL = 0x80; //EP6
|
||||
syncdelay(3);
|
||||
EP6BCL = 0x80; //EP6
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Interrupt initialization. Configures USB interrupts.
|
||||
*/
|
||||
**/
|
||||
void interrupt_init(void)
|
||||
{
|
||||
/* Enable Interrupts */
|
||||
|
|
@ -742,11 +868,11 @@ void interrupt_init(void)
|
|||
/* Enable INT 2 & 4 Autovectoring */
|
||||
INTSETUP |= (AV2EN | AV4EN);
|
||||
|
||||
/* Enable individual EP1OUT&IN interrupts */
|
||||
EPIE |= 0x0C;
|
||||
/* Enable individual EP1OUT&IN & EP6&8 interrupts */
|
||||
EPIE |= 0xCC;
|
||||
|
||||
/* Clear individual USB interrupt IRQ */
|
||||
EPIRQ = 0x0C;
|
||||
EPIRQ = 0xCC;
|
||||
|
||||
/* Enable SUDAV interrupt */
|
||||
USBIEN |= SUDAVI;
|
||||
|
|
@ -777,8 +903,15 @@ void io_init(void)
|
|||
PIN_TDI = 0;
|
||||
PIN_SRST = 1;
|
||||
|
||||
|
||||
|
||||
/* PORT C */
|
||||
PORTCCFG = 0x00; /* 0: normal ou 1: alternate function (each bit) */
|
||||
OEC = 0xEF;
|
||||
OEC = 0xFF;
|
||||
IOC = 0xFF;
|
||||
|
||||
/* PORT D */
|
||||
OED = 0xFF;
|
||||
IOD = 0xFF;
|
||||
PIN_SDA_DIR = 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@
|
|||
# Copyright (C) 2023 by NanoXplore, France - all rights reserved
|
||||
|
||||
# Needed by timing test
|
||||
export PROJECT := angie_openocd
|
||||
export PROJECT := angie_bitstream
|
||||
TARGET_PART := xc6slx9-2tqg144
|
||||
export TOPLEVEL := S609
|
||||
|
||||
|
|
|
|||
|
|
@ -14,17 +14,31 @@ net TRST LOC = 'P48' ;
|
|||
net TMS LOC = 'P43' ;
|
||||
net TCK LOC = 'P44' ;
|
||||
net TDI LOC = 'P45' ;
|
||||
net TDO LOC = 'P46' ;
|
||||
net TDO LOC = 'P46' ;
|
||||
net SRST LOC = 'P61' ;
|
||||
|
||||
net SDA LOC = 'P50' ;
|
||||
net SCL LOC = 'P51' ;
|
||||
net SDA_DIR LOC = 'P56' ;
|
||||
|
||||
net SI_TDO LOC = 'P16' ;
|
||||
net SO_TRST LOC = 'P32' ;
|
||||
net SO_TMS LOC = 'P27' ;
|
||||
net SO_TCK LOC = 'P30' ;
|
||||
net SO_TDI LOC = 'P26' ;
|
||||
net SO_SRST LOC = 'P12' ;
|
||||
|
||||
net SO_SDA_OUT LOC = 'P140' ;
|
||||
net SO_SDA_IN LOC = 'P1' ;
|
||||
net SO_SCL LOC = 'P137';
|
||||
|
||||
net ST_0 LOC = 'P29' ;
|
||||
net ST_1 LOC = 'P21' ;
|
||||
net ST_2 LOC = 'P11' ;
|
||||
|
||||
net ST_4 LOC = 'P134' ;
|
||||
net ST_5 LOC = 'P139' ;
|
||||
|
||||
net FTP<0> LOC = 'P121' ;
|
||||
net FTP<1> LOC = 'P120' ;
|
||||
net FTP<2> LOC = 'P119' ;
|
||||
|
|
@ -16,22 +16,35 @@ library UNISIM;
|
|||
use UNISIM.VComponents.all;
|
||||
|
||||
entity S609 is port(
|
||||
TRST : in std_logic;
|
||||
TMS : in std_logic;
|
||||
TCK : in std_logic;
|
||||
TDI : in std_logic;
|
||||
TDO : out std_logic;
|
||||
SRST : in std_logic;
|
||||
FTP : out std_logic_vector(7 downto 0); -- Test points
|
||||
TRST : in std_logic;
|
||||
TMS : in std_logic;
|
||||
TCK : in std_logic;
|
||||
TDI : in std_logic;
|
||||
TDO : out std_logic;
|
||||
SRST : in std_logic;
|
||||
|
||||
SDA : inout std_logic;
|
||||
SDA_DIR : in std_logic;
|
||||
SCL : in std_logic;
|
||||
|
||||
FTP : out std_logic_vector(7 downto 0):=(others => '1'); -- Test points
|
||||
SI_TDO : in std_logic;
|
||||
ST_0 : out std_logic;
|
||||
ST_1 : out std_logic;
|
||||
ST_2 : out std_logic;
|
||||
ST_0 : out std_logic;
|
||||
ST_1 : out std_logic;
|
||||
ST_2 : out std_logic;
|
||||
|
||||
ST_4 : out std_logic;
|
||||
ST_5 : out std_logic;
|
||||
|
||||
SO_SDA_OUT : out std_logic;
|
||||
SO_SDA_IN : in std_logic;
|
||||
SO_SCL : out std_logic;
|
||||
|
||||
SO_TRST : out std_logic;
|
||||
SO_TMS : out std_logic;
|
||||
SO_TCK : out std_logic;
|
||||
SO_TMS : out std_logic;
|
||||
SO_TCK : out std_logic;
|
||||
SO_TDI : out std_logic;
|
||||
SO_SRST :out std_logic
|
||||
SO_SRST : out std_logic
|
||||
);
|
||||
end S609;
|
||||
|
||||
|
|
@ -42,6 +55,8 @@ begin
|
|||
ST_0 <= '0';
|
||||
ST_1 <= '1';
|
||||
|
||||
ST_4 <= '0';
|
||||
|
||||
--TDO:
|
||||
TDO <= not SI_TDO;
|
||||
|
||||
|
|
@ -53,11 +68,26 @@ SO_TDI <= TDI;
|
|||
ST_2 <= SRST;
|
||||
SO_SRST <= '0';
|
||||
|
||||
SO_SCL <= SCL;
|
||||
|
||||
SDA <= not(SO_SDA_IN) when (SDA_DIR = '1') else 'Z';
|
||||
SO_SDA_OUT <= SDA;
|
||||
|
||||
process(SDA_DIR)
|
||||
begin
|
||||
if(SDA_DIR = '1') then
|
||||
ST_5 <= '1';
|
||||
else
|
||||
ST_5 <= '0';
|
||||
end if;
|
||||
end process;
|
||||
|
||||
|
||||
--Points de test:
|
||||
FTP(0) <= TRST;
|
||||
FTP(1) <= TMS;
|
||||
FTP(2) <= TCK;
|
||||
FTP(3) <= TDI;
|
||||
FTP(0) <= SDA;
|
||||
FTP(1) <= SCL;
|
||||
FTP(2) <= not(SO_SDA_IN);
|
||||
FTP(3) <= SDA_DIR;
|
||||
FTP(5) <= SRST;
|
||||
FTP(4) <= SI_TDO;
|
||||
FTP(6) <= '1';
|
||||
|
|
@ -1,13 +1,13 @@
|
|||
# SPDX-License-Identifier: GPL-2.0-or-later OR GFDL-1.2-no-invariants-or-later
|
||||
|
||||
Bus 001 Device 056: ID 584e:424e NanoXplore, SAS. ANGIE Adapter
|
||||
Bus 001 Device 029: ID 584e:424e NanoXplore, SAS. ANGIE Adapter
|
||||
Device Descriptor:
|
||||
bLength 18
|
||||
bDescriptorType 1
|
||||
bcdUSB 2.00
|
||||
bDeviceClass 255 Vendor Specific Class
|
||||
bDeviceSubClass 255 Vendor Specific Subclass
|
||||
bDeviceProtocol 255 Vendor Specific Protocol
|
||||
bDeviceClass 239 Miscellaneous Device
|
||||
bDeviceSubClass 2
|
||||
bDeviceProtocol 1 Interface Association
|
||||
bMaxPacketSize0 64
|
||||
idVendor 0x584e
|
||||
idProduct 0x424e
|
||||
|
|
@ -19,13 +19,22 @@ Device Descriptor:
|
|||
Configuration Descriptor:
|
||||
bLength 9
|
||||
bDescriptorType 2
|
||||
wTotalLength 0x0027
|
||||
bNumInterfaces 1
|
||||
wTotalLength 0x0047
|
||||
bNumInterfaces 2
|
||||
bConfigurationValue 1
|
||||
iConfiguration 4 (error)
|
||||
iConfiguration 1 NanoXplore, SAS.
|
||||
bmAttributes 0x80
|
||||
(Bus Powered)
|
||||
MaxPower 100mA
|
||||
Interface Association:
|
||||
bLength 8
|
||||
bDescriptorType 11
|
||||
bFirstInterface 1
|
||||
bInterfaceCount 2
|
||||
bFunctionClass 2 Communications
|
||||
bFunctionSubClass 0
|
||||
bFunctionProtocol 0
|
||||
iFunction 0
|
||||
Interface Descriptor:
|
||||
bLength 9
|
||||
bDescriptorType 4
|
||||
|
|
@ -33,9 +42,9 @@ Device Descriptor:
|
|||
bAlternateSetting 0
|
||||
bNumEndpoints 3
|
||||
bInterfaceClass 255 Vendor Specific Class
|
||||
bInterfaceSubClass 255 Vendor Specific Subclass
|
||||
bInterfaceProtocol 255 Vendor Specific Protocol
|
||||
iInterface 0
|
||||
bInterfaceSubClass 0
|
||||
bInterfaceProtocol 0
|
||||
iInterface 4 JTAG Adapter
|
||||
Endpoint Descriptor:
|
||||
bLength 7
|
||||
bDescriptorType 5
|
||||
|
|
@ -66,3 +75,33 @@ Device Descriptor:
|
|||
Usage Type Data
|
||||
wMaxPacketSize 0x0200 1x 512 bytes
|
||||
bInterval 0
|
||||
Interface Descriptor:
|
||||
bLength 9
|
||||
bDescriptorType 4
|
||||
bInterfaceNumber 1
|
||||
bAlternateSetting 0
|
||||
bNumEndpoints 2
|
||||
bInterfaceClass 10 CDC Data
|
||||
bInterfaceSubClass 0
|
||||
bInterfaceProtocol 0
|
||||
iInterface 0
|
||||
Endpoint Descriptor:
|
||||
bLength 7
|
||||
bDescriptorType 5
|
||||
bEndpointAddress 0x06 EP 6 OUT
|
||||
bmAttributes 2
|
||||
Transfer Type Bulk
|
||||
Synch Type None
|
||||
Usage Type Data
|
||||
wMaxPacketSize 0x0200 1x 512 bytes
|
||||
bInterval 0
|
||||
Endpoint Descriptor:
|
||||
bLength 7
|
||||
bDescriptorType 5
|
||||
bEndpointAddress 0x88 EP 8 IN
|
||||
bmAttributes 2
|
||||
Transfer Type Bulk
|
||||
Synch Type None
|
||||
Usage Type Data
|
||||
wMaxPacketSize 0x0200 1x 512 bytes
|
||||
bInterval 0
|
||||
|
|
|
|||
Binary file not shown.
Binary file not shown.
Loading…
Reference in New Issue