X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/8fce4520de1f257819b16f9253fa28dcdae743f4..0f73e6cc9945f9b4a074bb62b9708d1751fa3723:/lunaix-os/hal/char/serial.c?ds=sidebyside diff --git a/lunaix-os/hal/char/serial.c b/lunaix-os/hal/char/serial.c index 2c4a272..ffe9acb 100644 --- a/lunaix-os/hal/char/serial.c +++ b/lunaix-os/hal/char/serial.c @@ -40,11 +40,11 @@ serial_end_xmit(struct serial_dev* sdev, size_t len) int serial_readone_nowait(struct serial_dev* sdev, u8_t* val) { - mutex_lock(&sdev->lock); + device_lock(sdev->dev); int rd_len = fifo_readone(&sdev->rxbuf, val); - mutex_unlock(&sdev->lock); + device_unlock(sdev->dev); return rd_len; } @@ -52,26 +52,26 @@ serial_readone_nowait(struct serial_dev* sdev, u8_t* val) void serial_readone(struct serial_dev* sdev, u8_t* val) { - mutex_lock(&sdev->lock); + device_lock(sdev->dev); while (!fifo_readone(&sdev->rxbuf, val)) { pwait(&sdev->wq_rxdone); } - mutex_unlock(&sdev->lock); + device_unlock(sdev->dev); } size_t serial_readbuf(struct serial_dev* sdev, u8_t* buf, size_t len) { - mutex_lock(&sdev->lock); + device_lock(sdev->dev); size_t rdlen; while (!(rdlen = fifo_read(&sdev->rxbuf, buf, len))) { pwait(&sdev->wq_rxdone); } - mutex_unlock(&sdev->lock); + device_unlock(sdev->dev); return rdlen; } @@ -79,11 +79,11 @@ serial_readbuf(struct serial_dev* sdev, u8_t* buf, size_t len) int serial_readbuf_nowait(struct serial_dev* sdev, u8_t* buf, size_t len) { - mutex_lock(&sdev->lock); + device_lock(sdev->dev); int rdlen = fifo_read(&sdev->rxbuf, buf, len); - mutex_unlock(&sdev->lock); + device_unlock(sdev->dev); return rdlen; } @@ -91,7 +91,7 @@ serial_readbuf_nowait(struct serial_dev* sdev, u8_t* buf, size_t len) int serial_writebuf(struct serial_dev* sdev, u8_t* buf, size_t len) { - mutex_lock(&sdev->lock); + device_lock(sdev->dev); if (sdev->write(sdev, buf, len) == RXTX_DONE) { goto done; @@ -101,7 +101,7 @@ serial_writebuf(struct serial_dev* sdev, u8_t* buf, size_t len) done: int rdlen = sdev->wr_len; - mutex_unlock(&sdev->lock); + device_unlock(sdev->dev); return rdlen; } @@ -109,12 +109,12 @@ done: int serial_writebuf_nowait(struct serial_dev* sdev, u8_t* buf, size_t len) { - mutex_lock(&sdev->lock); + device_lock(sdev->dev); sdev->write(sdev, buf, len); int rdlen = sdev->wr_len; - mutex_unlock(&sdev->lock); + device_unlock(sdev->dev); return rdlen; } @@ -158,10 +158,10 @@ __serial_exec_command(struct device* dev, u32_t req, va_list args) #define RXBUF_SIZE 512 struct serial_dev* -serial_create() +serial_create(struct devclass* class) { struct serial_dev* sdev = valloc(sizeof(struct serial_dev)); - struct device* dev = device_addseq(NULL, sdev, "ttyS%d", serial_idx++); + struct device* dev = device_allocseq(NULL, sdev); dev->ops.read = __serial_read; dev->ops.read_page = __serial_read_page; dev->ops.write = __serial_write; @@ -171,10 +171,15 @@ serial_create() sdev->dev = dev; dev->underlay = sdev; + waitq_init(&sdev->wq_rxdone); + waitq_init(&sdev->wq_txdone); fifo_init(&sdev->rxbuf, valloc(RXBUF_SIZE), RXBUF_SIZE, 0); llist_append(&serial_devs, &sdev->sdev_list); // llist_init_head(&sdev->cmds); + class->variant++; + device_register(dev, class, "ttyS%d", class->variant); + return sdev; } @@ -184,7 +189,7 @@ serial_get_avilable() struct serial_dev *pos, *n; llist_for_each(pos, n, &serial_devs, sdev_list) { - if (!mutex_on_hold(&pos->lock)) { + if (!device_locked(pos->dev)) { return pos; } }