EEPROM write/read access via USB implemented.

This commit is contained in:
Kai Lauterbach 2011-12-10 11:46:58 +01:00
parent 598c2c67f3
commit 7c76f3303e
6 changed files with 44 additions and 19 deletions

View file

@ -67,11 +67,15 @@ int main(int argc, char **argv)
}
#endif
//usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_EEPROM, 0, 0, buffer, 0, 300);
usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_LOAD_EEPROM, 0, 1, buffer, 0, 300);
sleep(2);
// int usb_control_msg(usb_dev_handle *dev, int requesttype, int request, int value, int index, char *bytes, int size, int timeout);
// 32 bit in 2 transmission
usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_FRAME, 0x7007, 0, buffer, 0, 300);
usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_FRAME, 0x7217, 0, buffer, 0, 300);
//sleep(2);
usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_FRAME, 0x0700, 1, buffer, 0, 300);
usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_FRAME, 0x0743, 1, buffer, 0, 300);
// bitwise set/get
//usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_STATUS, 0, 25, buffer, 0, 5000);

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@ -108,28 +108,30 @@ CINCS = -Iusbdrv
# -Wall...: warning level
# -Wa,...: tell GCC to pass this to the assembler.
# -adhlns...: create assembler listing
CFLAGS = #-g$(DEBUG)
CFLAGS += $(CDEFS) $(CINCS)
CFLAGS += -O$(OPT)
#CFLAGS += -funsigned-char
#CFLAGS += -funsigned-bitfields
#CFLAGS += -fpack-struct
#CFLAGS += -fshort-enums
#CFLAGS += -fno-split-wide-types
CFLAGS += -fno-move-loop-invariants
CFLAGS += -fno-tree-scev-cprop
#CFLAGS += -fno-inline-small-functions
#CFLAGS += -fno-tree-loop-optimize
#CFLAGS += -mcall-prologues
#CFLAGS += -mtiny-stack
#CFLAGS += -mint8
#CFLAGS += -fdata-sections
#CFLAGS = -g$(DEBUG)
CFLAGS += -fno-move-loop-invariants
CFLAGS += -fno-tree-scev-cprop
CFLAGS += -ffunction-sections
CFLAGS += $(CDEFS) $(CINCS)
CFLAGS += -O$(OPT)
CFLAGS += -Wall -Wstrict-prototypes
CFLAGS += -Wa,-adhlns=$(<:.c=.lst)
CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
CFLAGS += $(CSTANDARD)
CFLAGS += -DF_CPU=$(F_CPU)
CFLAGS += -ffunction-sections
#CFLAGS += -fdata-sections
CFLAGS += -Wl,--gc-sections

View file

@ -16,11 +16,10 @@
#include <avr/interrupt.h>
#include <avr/io.h>
// Cube-Data
uint32_t cube = 0xffffffff;
// Bit Offset in Cube-Data
uint8_t cube_level; // = 0; // Ebene
uint8_t cube_level; // Aktive Ebene
// Prototypen
void init(void);

View file

@ -18,5 +18,8 @@
#define CUSTOM_RQ_SET_LED 1
#define CUSTOM_RQ_SET_FRAME 2
#define CUSTOM_RQ_SET_EEPROM 3
#define CUSTOM_RQ_GET_EEPROM 4
#define CUSTOM_RQ_LOAD_EEPROM 5
#endif /* __REQUESTS_H_INCLUDED__ */

View file

@ -25,6 +25,10 @@ usbMsgLen_t usbFunctionSetup(uchar data[8])
} else if ( rq->bRequest == CUSTOM_RQ_SET_FRAME )
{
/* requires more flash space
cube = (cube & (uint32_t)0xffff0000) |
( rq->wValue.bytes[0] + (rq->wValue.bytes[1] << 8) ) |
( (uint32_t)(rq->wIndex.bytes[0] + (rq->wIndex.bytes[1] << 8)) << 16 );*/
if ( rq->wIndex.bytes[0] == 0 )
{
cube = (cube & (uint32_t)0xffff0000) |
@ -36,7 +40,14 @@ usbMsgLen_t usbFunctionSetup(uchar data[8])
(rq->wValue.bytes[1] << 8)) << 16);
}
/*} else if ( rq->bRequest == CUSTOM_RQ_SET_EEPROM )
{
eeprom_write_dword(&eep_anim[0], 0x07007007);*/
} else if ( rq->bRequest == CUSTOM_RQ_LOAD_EEPROM )
{
cube = eeprom_read_dword( &eep_anim[rq->wIndex.bytes[0]] );
}
}
return 0; /* default for not implemented requests: return no data back to host */
}
@ -46,17 +57,15 @@ usbMsgLen_t usbFunctionSetup(uchar data[8])
void init_usb(void)
{
uint8_t i, j, k;
uint8_t i;
usbInit();
usbDeviceDisconnect(); /* enforce re-enumeration, do this while interrupts are disabled! */
i = 0;
j = 0;
k = 50;
while(--i) { /* fake USB disconnect for > 250 ms */
while(--k)
while(--j) { asm volatile("nop"::); }
// fake USB disconnect for > 250 ms
while(--i)
{
asm volatile("nop"::);
}
usbDeviceConnect();

View file

@ -10,6 +10,12 @@
#ifndef __usb_h__
#define __usb_h__
#include <avr/eeprom.h>
#ifndef EEMEM
#define EEMEM __attribute__ ((section (".eeprom")))
#endif
#include "globals.h"
/*
@ -49,8 +55,10 @@ PROGMEM char usbHidReportDescriptor[22] = { /* USB report descriptor */
void init_usb(void);
uint32_t eep_anim[32] EEMEM;
// usb buffer
extern volatile uint32_t cube; // Framebuffer
extern uint32_t cube; // Framebuffer
#endif // __usb_h__