blob: 105e9bf57e4d285128dfc882f6e46f80cecd49c1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/**
* @file usbserial.cpp
* @brief Wrapper for ChibiOS's SerialUSBDriver.
*
* Copyright (C) 2020 Clyne Sullivan
*
* Distributed under the GNU GPL v3 or later. You should have received a copy of
* the GNU General Public License along with this program.
* If not, see <https://www.gnu.org/licenses/>.
*/
#include "usbserial.hpp"
#include "hal.h"
void USBSeriald::start()
{
initPins();
sduObjectInit(m_driver);
sduStart(m_driver, &serusbcfg);
// Reconnect bus so device can re-enumerate on reset
usbDisconnectBus(serusbcfg.usbp);
chThdSleepMilliseconds(1500);
usbStart(serusbcfg.usbp, &usbcfg);
usbConnectBus(serusbcfg.usbp);
}
bool USBSeriald::active() const
{
return m_driver->config->usbp->state == USB_ACTIVE;
}
std::size_t USBSeriald::read(void *buffer, std::size_t count)
{
auto *bss = reinterpret_cast<BaseSequentialStream *>(m_driver);
return streamRead(bss, static_cast<uint8_t *>(buffer), count);
}
std::size_t USBSeriald::write(const void *buffer, std::size_t count)
{
auto *bss = reinterpret_cast<BaseSequentialStream *>(m_driver);
return streamWrite(bss, static_cast<const uint8_t *>(buffer), count);
}
void USBSeriald::initPins()
{
palSetPadMode(GPIOA, 11, PAL_MODE_ALTERNATE(10));
palSetPadMode(GPIOA, 12, PAL_MODE_ALTERNATE(10));
}
|
