twr_gpio

Driver for general purpose input/output. More...

Enumerations
enum	twr_gpio_channel_t {   TWR_GPIO_P0 = 0 ,   TWR_GPIO_P1 = 1 ,   TWR_GPIO_P2 = 2 ,   TWR_GPIO_P3 = 3 ,   TWR_GPIO_P4 = 4 ,   TWR_GPIO_P5 = 5 ,   TWR_GPIO_P6 = 6 ,   TWR_GPIO_P7 = 7 ,   TWR_GPIO_P8 = 8 ,   TWR_GPIO_P9 = 9 ,   TWR_GPIO_P10 = 10 ,   TWR_GPIO_P11 = 11 ,   TWR_GPIO_P12 = 12 ,   TWR_GPIO_P13 = 13 ,   TWR_GPIO_P14 = 14 ,   TWR_GPIO_P15 = 15 ,   TWR_GPIO_P16 = 16 ,   TWR_GPIO_P17 = 17 ,   TWR_GPIO_LED = 18 ,   TWR_GPIO_BUTTON = 19 ,   TWR_GPIO_INT = 20 ,   TWR_GPIO_SCL0 = 21 ,   TWR_GPIO_SDA0 = 22 }
	GPIO channels. More...
enum	twr_gpio_pull_t {   TWR_GPIO_PULL_NONE = 0 ,   TWR_GPIO_PULL_UP = 1 ,   TWR_GPIO_PULL_DOWN = 2 }
	GPIO pull-up/pull-down setting. More...
enum	twr_gpio_mode_t {   TWR_GPIO_MODE_INPUT = 0 ,   TWR_GPIO_MODE_OUTPUT = 1 ,   TWR_GPIO_MODE_ALTERNATE = 2 ,   TWR_GPIO_MODE_ANALOG = 3 ,   TWR_GPIO_MODE_OUTPUT_OD = 4 ,   TWR_GPIO_MODE_ALTERNATE_0 = (0 << 4) | 2 ,   TWR_GPIO_MODE_ALTERNATE_1 = (1 << 4) | 2 ,   TWR_GPIO_MODE_ALTERNATE_2 = (2 << 4) | 2 ,   TWR_GPIO_MODE_ALTERNATE_3 = (3 << 4) | 2 ,   TWR_GPIO_MODE_ALTERNATE_4 = (4 << 4) | 2 ,   TWR_GPIO_MODE_ALTERNATE_5 = (5 << 4) | 2 ,   TWR_GPIO_MODE_ALTERNATE_6 = (6 << 4) | 2 ,   TWR_GPIO_MODE_ALTERNATE_7 = (7 << 4) | 2 }
	GPIO mode of operation. More...

Functions
void	twr_gpio_init (twr_gpio_channel_t channel)
	Initialize GPIO channel. More...
void	twr_gpio_set_pull (twr_gpio_channel_t channel, twr_gpio_pull_t pull)
	Set pull-up/pull-down configuration for GPIO channel. More...
twr_gpio_pull_t	twr_gpio_get_pull (twr_gpio_channel_t channel)
	Get pull-up/pull-down configuration for GPIO channel. More...
void	twr_gpio_set_mode (twr_gpio_channel_t channel, twr_gpio_mode_t mode)
	Set mode of operation for GPIO channel. More...
twr_gpio_mode_t	twr_gpio_get_mode (twr_gpio_channel_t channel)
	Get mode of operation for GPIO channel. More...
int	twr_gpio_get_input (twr_gpio_channel_t channel)
	Get input state for GPIO channel. More...
void	twr_gpio_set_output (twr_gpio_channel_t channel, int state)
	Set output state for GPIO channel. More...
int	twr_gpio_get_output (twr_gpio_channel_t channel)
	Get output state for GPIO channel. More...
void	twr_gpio_toggle_output (twr_gpio_channel_t channel)
	Toggle output state for GPIO channel. More...

Detailed Description

Driver for general purpose input/output.

Enumeration Type Documentation

twr_gpio_channel_t

enum twr_gpio_channel_t

GPIO channels.

Enumerator
TWR_GPIO_P0	GPIO channel P0, A0, TXD0.
TWR_GPIO_P1	GPIO channel P1, A1, RXD0.
TWR_GPIO_P2	GPIO channel P2, A2, TXD1.
TWR_GPIO_P3	GPIO channel P3, A3, RXD1.
TWR_GPIO_P4	GPIO channel P4, A4, DAC0.
TWR_GPIO_P5	GPIO channel P5, A5, DAC1.
TWR_GPIO_P6	GPIO channel P6.
TWR_GPIO_P7	GPIO channel P7, A6.
TWR_GPIO_P8	GPIO channel P8.
TWR_GPIO_P9	GPIO channel P9.
TWR_GPIO_P10	GPIO channel P10, RXD2.
TWR_GPIO_P11	GPIO channel P11, TXD2.
TWR_GPIO_P12	GPIO channel P12, MISO.
TWR_GPIO_P13	GPIO channel P13, MOSI.
TWR_GPIO_P14	GPIO channel P14, SCLK.
TWR_GPIO_P15	GPIO channel P15, CS.
TWR_GPIO_P16	GPIO channel P16, SCL1.
TWR_GPIO_P17	GPIO channel P17, SDA1.
TWR_GPIO_LED	GPIO channel LED.
TWR_GPIO_BUTTON	GPIO channel BUTTON.
TWR_GPIO_INT	GPIO channel INT.
TWR_GPIO_SCL0	GPIO channel SCL0.
TWR_GPIO_SDA0	GPIO channel SDA0.

Definition at line 12 of file twr_gpio.h.

twr_gpio_mode_t

enum twr_gpio_mode_t

GPIO mode of operation.

Enumerator
TWR_GPIO_MODE_INPUT	GPIO channel operates as input.
TWR_GPIO_MODE_OUTPUT	GPIO channel operates as output.
TWR_GPIO_MODE_ALTERNATE	GPIO channel operates in alternate mode.
TWR_GPIO_MODE_ANALOG	GPIO channel operates in analog mode.
TWR_GPIO_MODE_OUTPUT_OD	GPIO channel operates as open-drain output.
TWR_GPIO_MODE_ALTERNATE_0	GPIO channel operates in alternate mode AF0.
TWR_GPIO_MODE_ALTERNATE_1	GPIO channel operates in alternate mode AF1.
TWR_GPIO_MODE_ALTERNATE_2	GPIO channel operates in alternate mode AF2.
TWR_GPIO_MODE_ALTERNATE_3	GPIO channel operates in alternate mode AF3.
TWR_GPIO_MODE_ALTERNATE_4	GPIO channel operates in alternate mode AF4.
TWR_GPIO_MODE_ALTERNATE_5	GPIO channel operates in alternate mode AF5.
TWR_GPIO_MODE_ALTERNATE_6	GPIO channel operates in alternate mode AF6.
TWR_GPIO_MODE_ALTERNATE_7	GPIO channel operates in alternate mode AF7.

Definition at line 102 of file twr_gpio.h.

twr_gpio_pull_t

enum twr_gpio_pull_t

GPIO pull-up/pull-down setting.

Enumerator
TWR_GPIO_PULL_NONE	GPIO channel has no pull-up/pull-down.
TWR_GPIO_PULL_UP	GPIO channel has pull-up.
TWR_GPIO_PULL_DOWN	GPIO channel has pull-down.

Definition at line 87 of file twr_gpio.h.

Function Documentation

twr_gpio_get_input()

int twr_gpio_get_input

(

twr_gpio_channel_t

channel

)

Get input state for GPIO channel.

Parameters

channel

GPIO channel

Returns

state Input state

Definition at line 465 of file twr_gpio.c.

Referenced by twr_module_sensor_get_input().

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twr_gpio_get_mode()

twr_gpio_mode_t twr_gpio_get_mode

(

twr_gpio_channel_t

channel

)

Get mode of operation for GPIO channel.

Parameters

[in]

channel

GPIO channel

Returns

Mode of operation

Definition at line 428 of file twr_gpio.c.

twr_gpio_get_output()

int twr_gpio_get_output

(

twr_gpio_channel_t

channel

)

Get output state for GPIO channel.

Parameters

[in]

channel

GPIO channel

Returns

Output state

Definition at line 477 of file twr_gpio.c.

Referenced by twr_module_sensor_get_output().

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twr_gpio_get_pull()

twr_gpio_pull_t twr_gpio_get_pull

(

twr_gpio_channel_t

channel

)

Get pull-up/pull-down configuration for GPIO channel.

Parameters

[in]

channel

GPIO channel

Returns

Pull-up/pull-down configuration

Definition at line 361 of file twr_gpio.c.

Referenced by twr_module_sensor_get_pull().

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twr_gpio_init()

void twr_gpio_init

(

twr_gpio_channel_t

channel

)

Initialize GPIO channel.

Parameters

channel

GPIO channel

Definition at line 325 of file twr_gpio.c.

Referenced by twr_hc_sr04_init(), twr_i2c_init(), twr_module_battery_init(), twr_module_encoder_init(), twr_module_power_init(), twr_module_sensor_init(), twr_pwm_enable(), twr_rf_ook_init(), twr_switch_init(), twr_td1207r_init(), twr_uart_init(), and twr_wssfm10r1at_init().

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twr_gpio_set_mode()

void twr_gpio_set_mode	(	twr_gpio_channel_t	channel,
		twr_gpio_mode_t	mode
	)

Set mode of operation for GPIO channel.

Parameters

[in]	channel	GPIO channel
[in]	mode	Desired mode of operation

Definition at line 367 of file twr_gpio.c.

Referenced by twr_button_init(), twr_hc_sr04_init(), twr_i2c_deinit(), twr_i2c_init(), twr_led_init(), twr_module_encoder_deinit(), twr_module_power_init(), twr_module_sensor_onewire_power_up(), twr_module_sensor_set_mode(), twr_pwm_disable(), twr_rf_ook_init(), twr_switch_init(), twr_td1207r_init(), twr_uart_deinit(), twr_uart_init(), and twr_wssfm10r1at_init().

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twr_gpio_set_output()

void twr_gpio_set_output	(	twr_gpio_channel_t	channel,
		int	state
	)

Set output state for GPIO channel.

Parameters

[in]	channel	GPIO channel
[in]	state	Desired output state

Definition at line 471 of file twr_gpio.c.

Referenced by twr_hc_sr04_init(), twr_module_power_relay_set_state(), twr_module_sensor_set_output(), twr_td1207r_init(), and twr_wssfm10r1at_init().

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twr_gpio_set_pull()

void twr_gpio_set_pull	(	twr_gpio_channel_t	channel,
		twr_gpio_pull_t	pull
	)

Set pull-up/pull-down configuration for GPIO channel.

Parameters

[in]	channel	GPIO channel
[in]	pull	Desired pull-up/pull-down configuration

Definition at line 340 of file twr_gpio.c.

Referenced by twr_button_init(), twr_i2c_deinit(), twr_i2c_init(), twr_module_sensor_set_pull(), twr_switch_init(), twr_uart_deinit(), and twr_uart_init().

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twr_gpio_toggle_output()

void twr_gpio_toggle_output

(

twr_gpio_channel_t

channel

)

Toggle output state for GPIO channel.

Parameters

[in]

channel

GPIO channel

Definition at line 483 of file twr_gpio.c.

Referenced by twr_module_sensor_toggle_output().

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