diff options
Diffstat (limited to 'zephyr/shim/src/gpio.c')
| -rw-r--r-- | zephyr/shim/src/gpio.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/zephyr/shim/src/gpio.c b/zephyr/shim/src/gpio.c index a629c77a11..1f81b6203c 100644 --- a/zephyr/shim/src/gpio.c +++ b/zephyr/shim/src/gpio.c @@ -322,6 +322,46 @@ void gpio_reset(enum gpio_signal signal) configs[signal].init_flags); } +int gpio_save_port_config(const struct device *port, gpio_flags_t *flags, + int buff_size) +{ + int state_offset = 0; + + for (size_t i = 0; i < ARRAY_SIZE(configs); ++i) { + if (state_offset >= buff_size) { + LOG_ERR("%s buffer is too small", __func__); + return EC_ERROR_UNKNOWN; + } + + if (port == configs[i].spec.port) { + gpio_pin_get_config_dt(&configs[i].spec, + &flags[state_offset++]); + } + } + + return EC_SUCCESS; +} + +int gpio_restore_port_config(const struct device *port, gpio_flags_t *flags, + int buff_size) +{ + int state_offset = 0; + + for (size_t i = 0; i < ARRAY_SIZE(configs); ++i) { + if (state_offset >= buff_size) { + LOG_ERR("%s buffer is too small", __func__); + return EC_ERROR_UNKNOWN; + } + + if (port == configs[i].spec.port) { + gpio_pin_configure_dt(&configs[i].spec, + flags[state_offset++]); + } + } + + return EC_SUCCESS; +} + void gpio_reset_port(const struct device *port) { for (size_t i = 0; i < ARRAY_SIZE(configs); ++i) { |