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Define a cts equivalent for direct usb and use it for avalon driver full.

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This commit is contained in:
Con Kolivas 2013-05-27 15:01:13 +10:00
parent 9650bfd6a3
commit 8fea60f384
3 changed files with 17 additions and 1 deletions
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2
driver-avalon.h
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@ -129,7 +129,7 @@ struct avalon_info {
#define avalon_open(devpath, baud) avalon_open2(devpath, baud, true)
#define avalon_close(fd) close(fd)
#define avalon_buffer_full(fd) get_serial_cts(fd)
#define avalon_buffer_full(avalon) !usb_ftdi_cts(avalon)
#define AVALON_READ_TIME(baud) ((double)AVALON_READ_SIZE * (double)8.0 / (double)(baud))
#define ASSERT1(condition) __maybe_unused static char sizeof_uint32_t_must_be_4[(condition)?1:-1]

15
usbutils.c
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@ -2210,6 +2210,21 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
return err;
}
#define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
#define FTDI_RS0_CTS (1 << 4)
#define FTDI_RS0_DSR (1 << 5)
#define FTDI_RS0_RI (1 << 6)
#define FTDI_RS0_RLSD (1 << 7)
int usb_ftdi_cts(struct cgpu_info *cgpu)
{
libusb_control_transfer(usbdev->handle, (uint8_t)FTDI_TYPE_IN,
(uint8_t)5, (uint16_t)0, (uint16_t)0, buf, 2,
DEVTIMEOUT);
ret = buf[0] & FTDI_STATUS_B0_MASK;
return (ret & FTDI_RS0_CTS);
}
int _usb_write(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, __maybe_unused enum usb_cmds cmd)
{
struct cg_usb_device *usbdev = cgpu->usbdev;

1
usbutils.h
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@ -225,6 +225,7 @@ void usb_detect(struct device_drv *drv, bool (*device_detect)(struct libusb_devi
struct api_data *api_usb_stats(int *count);
void update_usb_stats(struct cgpu_info *cgpu);
int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, const char *end, enum usb_cmds cmd, bool readonce);
int usb_ftdi_cts(struct cgpu_info *cgpu);
int _usb_write(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, enum usb_cmds);
int _usb_transfer(struct cgpu_info *cgpu, uint8_t request_type, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint32_t *data, int siz, unsigned int timeout, enum usb_cmds cmd);
int _usb_transfer_read(struct cgpu_info *cgpu, uint8_t request_type, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, char *buf, int bufsiz, int *amount, unsigned int timeout, enum usb_cmds cmd);