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drivers/usbhost/usbhost_ft232r.c: Cosmetic

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Cosmetic changes to alignment.  Also fixes some C89 non-compliance.  Sorry to be so OCD.
This commit is contained in:
Gregory Nutt 2020-05-28 12:56:46 -06:00 committed by Abdelatif Guettouche
parent 5a9f7927ee
commit 738f3c61f7
1 changed files with 30 additions and 18 deletions
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48
drivers/usbhost/usbhost_ft232r.c
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@ -156,7 +156,7 @@
#define USBHOST_BULKIN_FOUND 0x02 /* Bulk IN interface found */
#define USBHOST_BULKOUT_FOUND 0x04 /* Bulk OUT interface found */
#define USBHOST_ALLFOUND 0x07 /* All configuration things */
#define USBHOST_ALLFOUND 0x07 /* All configuration things */
#define USBHOST_MAX_CREFS INT16_MAX /* Max cref count before signed overflow */
@ -177,14 +177,14 @@
#define USBHOST_FT232R_CTRLREQ_SETDATA 0x4
#define USBHOST_FT232R_CTRLREQ_GETMODEMSTAT 0x5
#define USBHOST_FT232R_CTRLREQ_SETLATTIMER 0x9
#define USBHOST_FT232R_CTRLREQ_GETLATTIMER 0xA
#define USBHOST_FT232R_CTRLREQ_GETLATTIMER 0xa
#define USBHOST_FT232R_MODEMCTRL_VAL_DTR 0x1
#define USBHOST_FT232R_MODEMCTRL_VAL_RTS 0x2
#define USBHOST_FT232R_MODEMCTRL_VAL_DTR_EN 0x100
#define USBHOST_FT232R_MODEMCTRL_VAL_RTS_EN 0x200
#define USBHOST_FT232R_SETDATA_NBIT_MASK 0xFF
#define USBHOST_FT232R_SETDATA_NBIT_MASK 0xff
#define USBHOST_FT232R_SETDATA_PARITY_MASK 0x7
#define USBHOST_FT232R_SETDATA_PARITY_SHIFT 8
#define USBHOST_FT232R_SETDATA_2STOP 0x1000
@ -658,7 +658,7 @@ static inline void usbhost_mkdevname(FAR struct usbhost_ft232r_s *priv,
****************************************************************************/
static int ft232r_ctrlxfer(FAR struct usbhost_ft232r_s *priv, uint8_t req,
uint16_t value, uint16_t index)
uint16_t value, uint16_t index)
{
FAR struct usbhost_hubport_s *hport;
FAR struct usb_ctrlreq_s *ctrlreq;
@ -671,7 +671,7 @@ static int ft232r_ctrlxfer(FAR struct usbhost_ft232r_s *priv, uint8_t req,
ctrlreq = (FAR struct usb_ctrlreq_s *)priv->ctrlreq;
ctrlreq->type = USB_DIR_OUT | USB_REQ_TYPE_VENDOR |
USB_REQ_RECIPIENT_DEVICE;
USB_REQ_RECIPIENT_DEVICE;
ctrlreq->req = req;
usbhost_putle16(ctrlreq->value, value);
@ -708,7 +708,7 @@ static int ft232r_ctrlxfer(FAR struct usbhost_ft232r_s *priv, uint8_t req,
static int ft232r_reset(FAR struct usbhost_ft232r_s *priv, bool purgerxtx)
{
int ret = ft232r_ctrlxfer(priv, USBHOST_FT232R_CTRLREQ_RESET,
purgerxtx, 0);
purgerxtx, 0);
if (ret < 0)
{
uerr("ERROR: ft232r_ctrlxfer failed: %d\n", ret);
@ -739,7 +739,7 @@ static int ft232r_modemctrl(FAR struct usbhost_ft232r_s *priv)
USBHOST_FT232R_MODEMCTRL_VAL_DTR_EN;
int ret = ft232r_ctrlxfer(priv, USBHOST_FT232R_CTRLREQ_MODEMCTRL,
value, 0);
value, 0);
if (ret < 0)
{
uerr("ERROR: ft232r_ctrlxfer failed: %d\n", ret);
@ -834,15 +834,17 @@ static int ft232r_setdivisor(uint32_t *divisor, uint32_t baud)
};
double frac = (double)USBHOST_FT232R_MAX_BAUD / (double)baud;
int rem;
*divisor = (uint32_t)frac;
int rem = (frac - *divisor) * 1000.0;
rem = (frac - *divisor) * 1000.0;
if (rem > 0)
{
int i;
int j = 0;
int closest = rem;
double err;
for (i = 1; i < 9; i++)
{
@ -868,9 +870,10 @@ static int ft232r_setdivisor(uint32_t *divisor, uint32_t baud)
* requested baud rate.
*/
double err = (frac -
(double)(*divisor + (double)divfrac[j] / 1000.0))
/ frac;
err = (frac -
(double)(*divisor + (double)divfrac[j] / 1000.0)) /
frac;
if (err < -0.03 || err > 0.03)
{
ret = -ENOTSUP;
@ -943,9 +946,12 @@ static int ft232r_setbaud(FAR struct usbhost_ft232r_s *priv)
static int ft232r_setdata(FAR struct usbhost_ft232r_s *priv)
{
uint16_t linecoding;
int ret;
/* Build up line coding */
uint16_t linecoding = (priv->nbits & USBHOST_FT232R_SETDATA_NBIT_MASK) |
linecoding = (priv->nbits & USBHOST_FT232R_SETDATA_NBIT_MASK) |
((priv->parity & USBHOST_FT232R_SETDATA_PARITY_MASK)
<< USBHOST_FT232R_SETDATA_PARITY_SHIFT);
if (priv->stop2)
@ -953,8 +959,8 @@ static int ft232r_setdata(FAR struct usbhost_ft232r_s *priv)
linecoding |= CONFIG_USBHOST_FT232R_2STOP;
}
int ret = ft232r_ctrlxfer(priv, USBHOST_FT232R_CTRLREQ_SETDATA,
linecoding, 0);
ret = ft232r_ctrlxfer(priv, USBHOST_FT232R_CTRLREQ_SETDATA,
linecoding, 0);
if (ret < 0)
{
uerr("ERROR: ft232r_ctrlxfer failed: %d\n", ret);
@ -1266,9 +1272,11 @@ static void usbhost_rxdata_work(FAR void *arg)
}
}
/* Transfer one byte from the RX packet buffer into UART RX buffer */
/* Transfer one byte from the RX packet buffer into UART RX buffer.
* +2 to account for the two status byes
*/
rxbuf->buffer[rxbuf->head] = priv->inbuf[rxndx + 2]; /* +2 to account for the two status byes */
rxbuf->buffer[rxbuf->head] = priv->inbuf[rxndx + 2];
nxfrd++;
/* Save the updated indices */
@ -1454,7 +1462,9 @@ static int usbhost_cfgdesc(FAR struct usbhost_ft232r_s *priv,
int ret;
DEBUGASSERT(priv != NULL && priv->usbclass.hport &&
configdesc != NULL && desclen >= sizeof(struct usb_cfgdesc_s));
configdesc != NULL &&
desclen >= sizeof(struct usb_cfgdesc_s));
hport = priv->usbclass.hport;
/* Keep the compiler from complaining about uninitialized variables */
@ -1728,7 +1738,9 @@ static inline uint16_t usbhost_getbe16(FAR const uint8_t *val)
static void usbhost_putle16(FAR uint8_t *dest, uint16_t val)
{
dest[0] = val & 0xff; /* Little endian means LS byte first in byte stream */
/* Little endian means LS byte first in byte stream */
dest[0] = val & 0xff;
dest[1] = val >> 8;
}