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Code Issues Releases Activity

usb cdc: return valid data in response to SetLineCoding

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This commit is contained in:
Stacey Sheldon 2011-12-26 17:23:06 -05:00
parent a68f5a4fc9
commit 16619584e4
1 changed files with 13 additions and 1 deletions
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14
flight/PiOS/STM32F10x/pios_usb_com.c
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@ -527,6 +527,13 @@ RESULT PIOS_CDC_SetControlLineState(void)
return USB_SUCCESS;
}
static uint8_t line_coding[] = {
0x00, 0xE1, 0x00, 0x00, /* 57600bps */
0x00, /* 1 stop bit */
0x00, /* Even parity */
0x08, /* 8 data bits */
};
RESULT PIOS_CDC_SetLineCoding(void)
{
struct pios_usb_com_dev * usb_com_dev = (struct pios_usb_com_dev *)pios_usb_com_cdc_id;
@ -544,7 +551,12 @@ uint8_t *PIOS_CDC_GetLineCoding(uint16_t Length)
bool valid = PIOS_USB_COM_validate(usb_com_dev);
PIOS_Assert(valid);
return NULL;
if (Length == 0) {
pInformation->Ctrl_Info.Usb_wLength = sizeof(line_coding);
return NULL;
} else {
return (line_coding);
}
}
static uint8_t serial_state[] = {