This is an automated email from Gerrit. Antonio Borneo ([email protected]) just uploaded a new patch set to Gerrit, which you can find at http://openocd.zylin.com/5770
-- gerrit commit 33779f37631785b5c6f4a4c38684d4209c9b6867 Author: Antonio Borneo <[email protected]> Date: Sat Apr 4 19:46:38 2020 +0200 drivers/linuxgpiod: add led Bitbang interface allows having a LED on one of the GPIO. Let also linuxgpiod driver to specify and use the LED connection. Change-Id: Id3d8772ee1808b92354fd073ba3947bacd8253ef Signed-off-by: Antonio Borneo <[email protected]> diff --git a/src/jtag/drivers/linuxgpiod.c b/src/jtag/drivers/linuxgpiod.c index 661a926..99422a1 100644 --- a/src/jtag/drivers/linuxgpiod.c +++ b/src/jtag/drivers/linuxgpiod.c @@ -27,6 +27,7 @@ static int trst_gpio = -1; static int srst_gpio = -1; static int swclk_gpio = -1; static int swdio_gpio = -1; +static int led_gpio = -1; static int gpiochip = -1; static struct gpiod_chip *gpiod_chip; @@ -38,6 +39,7 @@ static struct gpiod_line *gpiod_trst; static struct gpiod_line *gpiod_swclk; static struct gpiod_line *gpiod_swdio; static struct gpiod_line *gpiod_srst; +static struct gpiod_line *gpiod_led; static int last_swclk; static int last_swdio; @@ -171,13 +173,26 @@ static int linuxgpiod_swd_write(int swclk, int swdio) return ERROR_OK; } +static int linuxgpiod_blink(int on) +{ + int retval; + + if (!gpiod_led) + return ERROR_OK; + + retval = gpiod_line_set_value(gpiod_led, on); + if (retval < 0) + LOG_WARNING("Fail set led"); + return retval; +} + static struct bitbang_interface linuxgpiod_bitbang = { .read = linuxgpiod_read, .write = linuxgpiod_write, .swdio_read = linuxgpiod_swdio_read, .swdio_drive = linuxgpiod_swdio_drive, .swd_write = linuxgpiod_swd_write, - .blink = NULL, + .blink = linuxgpiod_blink, }; /* @@ -248,6 +263,7 @@ static inline void helper_release(struct gpiod_line *line) static int linuxgpiod_quit(void) { + helper_release(gpiod_led); helper_release(gpiod_srst); helper_release(gpiod_swdio); helper_release(gpiod_swclk); @@ -370,6 +386,12 @@ static int linuxgpiod_init(void) goto out_error; } + if (is_gpio_valid(led_gpio)) { + gpiod_led = helper_get_output_line("led", led_gpio, 0); + if (gpiod_led == NULL) + goto out_error; + } + return ERROR_OK; out_error: @@ -484,6 +506,15 @@ COMMAND_HANDLER(linuxgpiod_handle_swd_gpionum_swdio) return ERROR_OK; } +COMMAND_HANDLER(linuxgpiod_handle_gpionum_led) +{ + if (CMD_ARGC == 1) + COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], led_gpio); + + command_print(CMD, "LinuxGPIOD num: led = %d", led_gpio); + return ERROR_OK; +} + COMMAND_HANDLER(linuxgpiod_handle_gpiochip) { if (CMD_ARGC == 1) @@ -565,6 +596,13 @@ static const struct command_registration linuxgpiod_command_handlers[] = { .usage = "swdio", }, { + .name = "linuxgpiod_led_num", + .handler = linuxgpiod_handle_gpionum_led, + .mode = COMMAND_CONFIG, + .help = "gpio number for LED.", + .usage = "led", + }, + { .name = "linuxgpiod_gpiochip", .handler = linuxgpiod_handle_gpiochip, .mode = COMMAND_CONFIG, diff --git a/tcl/interface/dln-2-gpiod.cfg b/tcl/interface/dln-2-gpiod.cfg index 1859688..5407a24 100644 --- a/tcl/interface/dln-2-gpiod.cfg +++ b/tcl/interface/dln-2-gpiod.cfg @@ -11,6 +11,7 @@ # | TMS/SWDIO | J3.4 (PA3) | 3 | # | TDI | J3.5 (PA4) | 4 | # | nTRST | J3.6 (PA5) | 5 | +# | LED | J3.7 (PA6) | 6 | # | GND | J3.12 (GND) | | # +-----------+-------------+-------------+ @@ -21,5 +22,6 @@ linuxgpiod_jtag_nums 2 3 4 1 linuxgpiod_trst_num 5 linuxgpiod_swd_nums 2 3 linuxgpiod_srst_num 0 +linuxgpiod_led_num 6 reset_config trst_and_srst separate srst_push_pull -- _______________________________________________ OpenOCD-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/openocd-devel
