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Adds LOW_LATENCY config, which is disabled by default

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This helped with handshake on CH340, but FT232H don't like it.
Currently, it is not needed, as current code can work properly
both on CH340G but also on FT232H.
This commit is contained in:
Marek Kraus 2022-11-22 13:59:26 +01:00
parent 717d693d0b
commit 8bb6d2a82d
1 changed files with 16 additions and 1 deletions
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17
lib/blisp.c
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@ -1,9 +1,14 @@
#include <blisp.h> #include <blisp.h>
#include <blisp_util.h>
#include <libserialport.h> #include <libserialport.h>
#include <malloc.h> #include <malloc.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <blisp_util.h>
#ifdef __linux__
#include <linux/serial.h>
#include <sys/ioctl.h>
#endif
#define DEBUG #define DEBUG
@ -69,6 +74,16 @@ int32_t blisp_device_open(struct blisp_device* device, const char* port_name)
// } else { // } else {
device->current_baud_rate = 500000; device->current_baud_rate = 500000;
// } // }
#if 0
int fd;
sp_get_port_handle(serial_port, &fd);
struct serial_struct serial;
ioctl(fd, TIOCGSERIAL, &serial);
// serial.flags &= ~(ASYNC_LOW_LATENCY);
serial.flags |= ASYNC_LOW_LATENCY;
ioctl(fd, TIOCSSERIAL, &serial);
#endif
ret = sp_set_baudrate(serial_port, device->current_baud_rate); ret = sp_set_baudrate(serial_port, device->current_baud_rate);
if (ret != SP_OK) { if (ret != SP_OK) {
return -1; // TODO: Handle this return -1; // TODO: Handle this