diff options
Diffstat (limited to 'util/uut/l_com_port.c')
-rw-r--r-- | util/uut/l_com_port.c | 59 |
1 files changed, 33 insertions, 26 deletions
diff --git a/util/uut/l_com_port.c b/util/uut/l_com_port.c index 018dec9950..e774743160 100644 --- a/util/uut/l_com_port.c +++ b/util/uut/l_com_port.c @@ -1,5 +1,5 @@ /* - * Copyright 2018 The Chromium OS Authors. All rights reserved. + * Copyright 2018 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -100,7 +100,8 @@ void set_read_blocking(int dev_drv, bool block) memset(&tty, 0, sizeof(tty)); if (tcgetattr(dev_drv, &tty) != 0) { - display_color_msg(FAIL, + display_color_msg( + FAIL, "set_read_blocking Error: %d Fail to get attribute " "from Device number %d.\n", errno, dev_drv); @@ -111,7 +112,8 @@ void set_read_blocking(int dev_drv, bool block) tty.c_cc[VTIME] = 5; /* 0.5 seconds read timeout */ if (tcsetattr(dev_drv, TCSANOW, &tty) != 0) { - display_color_msg(FAIL, + display_color_msg( + FAIL, "set_read_blocking Error: %d Fail to set attribute to " "Device number %d.\n", errno, dev_drv); @@ -145,7 +147,8 @@ bool com_config_uart(int h_dev_drv, struct comport_fields com_port_fields) memset(&tty, 0, sizeof(tty)); if (tcgetattr(h_dev_drv, &tty) != 0) { - display_color_msg(FAIL, + display_color_msg( + FAIL, "com_config_uart Error: Fail to get attribute from " "Device number %d.\n", h_dev_drv); @@ -171,12 +174,13 @@ bool com_config_uart(int h_dev_drv, struct comport_fields com_port_fields) tty.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN); tty.c_oflag = ~OPOST; - tty.c_cc[VMIN] = 0; /* read doesn't block */ + tty.c_cc[VMIN] = 0; /* read doesn't block */ tty.c_cc[VTIME] = 5; /* 0.5 seconds read timeout */ - tty.c_iflag |= (com_port_fields.flow_control == 0x01) - ? (IXON | IXOFF) - : 0x00; /* xon/xoff ctrl */ + tty.c_iflag |= (com_port_fields.flow_control == 0x01) ? + (IXON | IXOFF) : + 0x00; /* xon/xoff + ctrl */ tty.c_cflag |= (CLOCAL | CREAD); /* ignore modem controls */ /* enable reading */ @@ -191,7 +195,8 @@ bool com_config_uart(int h_dev_drv, struct comport_fields com_port_fields) tcflush(h_dev_drv, TCIFLUSH); if (tcsetattr(h_dev_drv, TCSANOW, &tty) != 0) { - display_color_msg(FAIL, + display_color_msg( + FAIL, "com_config_uart Error: %d setting port handle %d: %s.\n", errno, h_dev_drv, strerror(errno)); return false; @@ -221,7 +226,6 @@ static void discard_input(int fd) do { res = read(fd, buffer, sizeof(buffer)); if (res > 0) { - /* Discard zeros in the beginning of the buffer. */ for (i = 0; i < res; i++) if (buffer[i]) @@ -250,7 +254,6 @@ static void discard_input(int fd) printf("%d zeros ignored\n", count_of_zeros); } - /****************************************************************************** * Function: int com_port_open() * @@ -268,7 +271,7 @@ static void discard_input(int fd) ***************************************************************************** */ int com_port_open(const char *com_port_dev_name, - struct comport_fields com_port_fields) + struct comport_fields com_port_fields) { int port_handler; @@ -276,15 +279,16 @@ int com_port_open(const char *com_port_dev_name, if (port_handler < 0) { display_color_msg(FAIL, - "com_port_open Error %d opening %s: %s\n", - errno, com_port_dev_name, strerror(errno)); + "com_port_open Error %d opening %s: %s\n", + errno, com_port_dev_name, strerror(errno)); return INVALID_HANDLE_VALUE; } tcgetattr(port_handler, &savetty); if (!com_config_uart(port_handler, com_port_fields)) { - display_color_msg(FAIL, + display_color_msg( + FAIL, "com_port_open() Error %d, Failed on com_config_uart() %s, " "%s\n", errno, com_port_dev_name, strerror(errno)); @@ -318,7 +322,8 @@ bool com_port_close(int device_id) tcsetattr(device_id, TCSANOW, &savetty); if (close(device_id) == INVALID_HANDLE_VALUE) { - display_color_msg(FAIL, + display_color_msg( + FAIL, "com_port_close() Error: %d Device com%u was not opened, " "%s.\n", errno, (uint32_t)device_id, strerror(errno)); @@ -345,14 +350,14 @@ bool com_port_close(int device_id) * ***************************************************************************** */ -bool com_port_write_bin(int device_id, const uint8_t *buffer, - uint32_t buf_size) +bool com_port_write_bin(int device_id, const uint8_t *buffer, uint32_t buf_size) { uint32_t bytes_written; bytes_written = write(device_id, buffer, buf_size); if (bytes_written != buf_size) { - display_color_msg(FAIL, + display_color_msg( + FAIL, "com_port_write_bin() Error: %d Failed to write data to " "Uart Port %d, %s.\n", errno, (uint32_t)device_id, strerror(errno)); @@ -389,9 +394,10 @@ uint32_t com_port_read_bin(int device_id, uint8_t *buffer, uint32_t buf_size) if (read_bytes == -1) { display_color_msg(FAIL, - "%s() Error: %d Device number %u was not " - "opened, %s.\n", - __func__, errno, (uint32_t)device_id, strerror(errno)); + "%s() Error: %d Device number %u was not " + "opened, %s.\n", + __func__, errno, (uint32_t)device_id, + strerror(errno)); } return read_bytes; @@ -422,9 +428,9 @@ uint32_t com_port_wait_read(int device_id) fds.events = POLLIN; ret_val = poll(&fds, 1, COMMAND_TIMEOUT); if (ret_val < 0) { - display_color_msg(FAIL, - "%s() Error: %d Device number %u %s\n", - __func__, errno, (uint32_t)device_id, strerror(errno)); + display_color_msg(FAIL, "%s() Error: %d Device number %u %s\n", + __func__, errno, (uint32_t)device_id, + strerror(errno)); return 0; } @@ -434,7 +440,8 @@ uint32_t com_port_wait_read(int device_id) if (ret_val > 0) { /* Get number of bytes that are ready to be read. */ if (ioctl(device_id, FIONREAD, &bytes) < 0) { - display_color_msg(FAIL, + display_color_msg( + FAIL, "com_port_wait_for_read() Error: %d Device number " "%u %s\n", errno, (uint32_t)device_id, strerror(errno)); |