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targets/hal/TARGET_Atmel/TARGET_SAM21/drivers/port/port.c@592:a274ee790e56, 2015-07-17 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Jul 17 09:15:10 2015 +0100
- Revision:
- 592:a274ee790e56
- Parent:
- 579:53297373a894
Synchronized with git revision e7144f83a8d75df80c4877936b6ffe552b0be9e6
Full URL: https://github.com/mbedmicro/mbed/commit/e7144f83a8d75df80c4877936b6ffe552b0be9e6/
More API implementation for SAMR21
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 579:53297373a894 | 1 | #include <port.h> |
mbed_official | 579:53297373a894 | 2 | |
mbed_official | 579:53297373a894 | 3 | /** |
mbed_official | 579:53297373a894 | 4 | * \brief Writes a Port pin configuration to the hardware module. |
mbed_official | 579:53297373a894 | 5 | * |
mbed_official | 579:53297373a894 | 6 | * Writes out a given configuration of a Port pin configuration to the hardware |
mbed_official | 579:53297373a894 | 7 | * module. |
mbed_official | 579:53297373a894 | 8 | * |
mbed_official | 579:53297373a894 | 9 | * \note If the pin direction is set as an output, the pull-up/pull-down input |
mbed_official | 579:53297373a894 | 10 | * configuration setting is ignored. |
mbed_official | 579:53297373a894 | 11 | * |
mbed_official | 579:53297373a894 | 12 | * \param[in] gpio_pin Index of the GPIO pin to configure |
mbed_official | 579:53297373a894 | 13 | * \param[in] config Configuration settings for the pin |
mbed_official | 579:53297373a894 | 14 | */ |
mbed_official | 579:53297373a894 | 15 | void port_pin_set_config( |
mbed_official | 579:53297373a894 | 16 | const uint8_t gpio_pin, |
mbed_official | 579:53297373a894 | 17 | const struct port_config *const config) |
mbed_official | 579:53297373a894 | 18 | { |
mbed_official | 579:53297373a894 | 19 | /* Sanity check arguments */ |
mbed_official | 579:53297373a894 | 20 | Assert(config); |
mbed_official | 579:53297373a894 | 21 | |
mbed_official | 579:53297373a894 | 22 | struct system_pinmux_config pinmux_config; |
mbed_official | 579:53297373a894 | 23 | system_pinmux_get_config_defaults(&pinmux_config); |
mbed_official | 579:53297373a894 | 24 | |
mbed_official | 579:53297373a894 | 25 | pinmux_config.mux_position = SYSTEM_PINMUX_GPIO; |
mbed_official | 579:53297373a894 | 26 | pinmux_config.direction = (enum system_pinmux_pin_dir)config->direction; |
mbed_official | 579:53297373a894 | 27 | pinmux_config.input_pull = (enum system_pinmux_pin_pull)config->input_pull; |
mbed_official | 579:53297373a894 | 28 | pinmux_config.powersave = config->powersave; |
mbed_official | 579:53297373a894 | 29 | |
mbed_official | 579:53297373a894 | 30 | system_pinmux_pin_set_config(gpio_pin, &pinmux_config); |
mbed_official | 579:53297373a894 | 31 | } |
mbed_official | 579:53297373a894 | 32 | |
mbed_official | 579:53297373a894 | 33 | /** |
mbed_official | 579:53297373a894 | 34 | * \brief Writes a Port group configuration group to the hardware module. |
mbed_official | 579:53297373a894 | 35 | * |
mbed_official | 579:53297373a894 | 36 | * Writes out a given configuration of a Port group configuration to the |
mbed_official | 579:53297373a894 | 37 | * hardware module. |
mbed_official | 579:53297373a894 | 38 | * |
mbed_official | 579:53297373a894 | 39 | * \note If the pin direction is set as an output, the pull-up/pull-down input |
mbed_official | 579:53297373a894 | 40 | * configuration setting is ignored. |
mbed_official | 579:53297373a894 | 41 | * |
mbed_official | 579:53297373a894 | 42 | * \param[out] port Base of the PORT module to write to |
mbed_official | 579:53297373a894 | 43 | * \param[in] mask Mask of the port pin(s) to configure |
mbed_official | 579:53297373a894 | 44 | * \param[in] config Configuration settings for the pin group |
mbed_official | 579:53297373a894 | 45 | */ |
mbed_official | 579:53297373a894 | 46 | void port_group_set_config( |
mbed_official | 579:53297373a894 | 47 | PortGroup *const port, |
mbed_official | 579:53297373a894 | 48 | const uint32_t mask, |
mbed_official | 579:53297373a894 | 49 | const struct port_config *const config) |
mbed_official | 579:53297373a894 | 50 | { |
mbed_official | 579:53297373a894 | 51 | /* Sanity check arguments */ |
mbed_official | 579:53297373a894 | 52 | Assert(port); |
mbed_official | 579:53297373a894 | 53 | Assert(config); |
mbed_official | 579:53297373a894 | 54 | |
mbed_official | 579:53297373a894 | 55 | struct system_pinmux_config pinmux_config; |
mbed_official | 579:53297373a894 | 56 | system_pinmux_get_config_defaults(&pinmux_config); |
mbed_official | 579:53297373a894 | 57 | |
mbed_official | 579:53297373a894 | 58 | pinmux_config.mux_position = SYSTEM_PINMUX_GPIO; |
mbed_official | 579:53297373a894 | 59 | pinmux_config.direction = (enum system_pinmux_pin_dir)config->direction; |
mbed_official | 579:53297373a894 | 60 | pinmux_config.input_pull = (enum system_pinmux_pin_pull)config->input_pull; |
mbed_official | 579:53297373a894 | 61 | pinmux_config.powersave = config->powersave; |
mbed_official | 579:53297373a894 | 62 | |
mbed_official | 579:53297373a894 | 63 | system_pinmux_group_set_config(port, mask, &pinmux_config); |
mbed_official | 579:53297373a894 | 64 | } |