Diego Rondini
authored
As explained in commit 4af2a33e ("cmd: gpio: Make `gpio input` return pin value again") the `gpio input` is used in scripts to obtain the value of a pin, despite the fact that CMD_RET_FAILURE is indistinguishable from a valid pin value. To be able to detect failures and properly use the value of a GPIO in scripts we introduce the `gpio read` command that sets the variable `name` to the value of the pin. Return code of the `gpio read` command can be used to check for CMD_RET_SUCCESS or CMD_RET_FAILURE. CONFIG_CMD_GPIO_READ is used to enable the `gpio read` command. Signed-off-by:Diego Rondini <diego.rondini@kynetics.com>
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| .. | ||
| cmd | ||
| common | ||
| dm | ||
| env | ||
| fs | ||
| image | ||
| lib | ||
| log | ||
| optee | ||
| overlay | ||
| py | ||
| stdint | ||
| trace | ||
| Kconfig | ||
| Makefile | ||
| bloblist.c | ||
| bootm.c | ||
| cmd_ut.c | ||
| command_ut.c | ||
| common.sh | ||
| compression.c | ||
| nokia_rx51_test.sh | ||
| print_ut.c | ||
| run | ||
| str_ut.c | ||
| test-main.c | ||
| time_ut.c | ||
| unicode_ut.c | ||
| ut.c | ||