robo 8080 / Mbed 2 deprecated BLE_RCBController_Servo

iOSのBLEコントローラアプリ「RCBController」とmbed HRM1017を接続し、RCサーボモータを操作するテストプログラムです。

Dependencies:   BLE_API_Native_IRC Servo mbed

Fork of BLE_RCBController by Junichi Katsu

  • 古いBLEライブラリを使っているのでプラットフォームは”Nordic nRF51822”を選択してください。
  • ライブラリ類はUpdateしないでください。コンパイルエラーになります。

うまく接続できない時は、iPhone/iPadのBluetoothをOFF－＞ONしてキャッシュをクリアしてみてください。

/media/uploads/robo8080/img_1560.jpg

BLE_API_Native_IRC/hw/nRF51822n/nordic/nrf-sdk/nrf_gpio.h@0:8c643bfe55b7, 2014-07-10 (annotated)

Committer:
jksoft
Date:
Thu Jul 10 14:21:52 2014 +0000
Revision:
0:8c643bfe55b7
??

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 0:8c643bfe55b7 1 #ifndef NRF_GPIO_H__
jksoft 0:8c643bfe55b7 2 #define NRF_GPIO_H__
jksoft 0:8c643bfe55b7 3
jksoft 0:8c643bfe55b7 4 #include "nordic_global.h"
jksoft 0:8c643bfe55b7 5 #include "nrf51.h"
jksoft 0:8c643bfe55b7 6 #include "nrf51_bitfields.h"
jksoft 0:8c643bfe55b7 7
jksoft 0:8c643bfe55b7 8 /**
jksoft 0:8c643bfe55b7 9 * @defgroup nrf_gpio GPIO abstraction
jksoft 0:8c643bfe55b7 10 * @{
jksoft 0:8c643bfe55b7 11 * @ingroup nrf_drivers
jksoft 0:8c643bfe55b7 12 * @brief GPIO pin abstraction and port abstraction for reading and writing byte-wise to GPIO ports.
jksoft 0:8c643bfe55b7 13 *
jksoft 0:8c643bfe55b7 14 * Here, the GPIO ports are defined as follows:
jksoft 0:8c643bfe55b7 15 * - Port 0 -> pin 0-7
jksoft 0:8c643bfe55b7 16 * - Port 1 -> pin 8-15
jksoft 0:8c643bfe55b7 17 * - Port 2 -> pin 16-23
jksoft 0:8c643bfe55b7 18 * - Port 3 -> pin 24-31
jksoft 0:8c643bfe55b7 19 */
jksoft 0:8c643bfe55b7 20
jksoft 0:8c643bfe55b7 21 /**
jksoft 0:8c643bfe55b7 22 * @enum nrf_gpio_port_dir_t
jksoft 0:8c643bfe55b7 23 * @brief Enumerator used for setting the direction of a GPIO port.
jksoft 0:8c643bfe55b7 24 */
jksoft 0:8c643bfe55b7 25 typedef enum
jksoft 0:8c643bfe55b7 26 {
jksoft 0:8c643bfe55b7 27 NRF_GPIO_PORT_DIR_OUTPUT, ///< Output
jksoft 0:8c643bfe55b7 28 NRF_GPIO_PORT_DIR_INPUT ///< Input
jksoft 0:8c643bfe55b7 29 } nrf_gpio_port_dir_t;
jksoft 0:8c643bfe55b7 30
jksoft 0:8c643bfe55b7 31 /**
jksoft 0:8c643bfe55b7 32 * @enum nrf_gpio_pin_dir_t
jksoft 0:8c643bfe55b7 33 * Pin direction definitions.
jksoft 0:8c643bfe55b7 34 */
jksoft 0:8c643bfe55b7 35 typedef enum
jksoft 0:8c643bfe55b7 36 {
jksoft 0:8c643bfe55b7 37 NRF_GPIO_PIN_DIR_INPUT, ///< Input
jksoft 0:8c643bfe55b7 38 NRF_GPIO_PIN_DIR_OUTPUT ///< Output
jksoft 0:8c643bfe55b7 39 } nrf_gpio_pin_dir_t;
jksoft 0:8c643bfe55b7 40
jksoft 0:8c643bfe55b7 41 /**
jksoft 0:8c643bfe55b7 42 * @enum nrf_gpio_port_select_t
jksoft 0:8c643bfe55b7 43 * @brief Enumerator used for selecting between port 0 - 3.
jksoft 0:8c643bfe55b7 44 */
jksoft 0:8c643bfe55b7 45 typedef enum
jksoft 0:8c643bfe55b7 46 {
jksoft 0:8c643bfe55b7 47 NRF_GPIO_PORT_SELECT_PORT0 = 0, ///< Port 0 (GPIO pin 0-7)
jksoft 0:8c643bfe55b7 48 NRF_GPIO_PORT_SELECT_PORT1, ///< Port 1 (GPIO pin 8-15)
jksoft 0:8c643bfe55b7 49 NRF_GPIO_PORT_SELECT_PORT2, ///< Port 2 (GPIO pin 16-23)
jksoft 0:8c643bfe55b7 50 NRF_GPIO_PORT_SELECT_PORT3, ///< Port 3 (GPIO pin 24-31)
jksoft 0:8c643bfe55b7 51 } nrf_gpio_port_select_t;
jksoft 0:8c643bfe55b7 52
jksoft 0:8c643bfe55b7 53 /**
jksoft 0:8c643bfe55b7 54 * @enum nrf_gpio_pin_pull_t
jksoft 0:8c643bfe55b7 55 * @brief Enumerator used for selecting the pin to be pulled down or up at the time of pin configuration
jksoft 0:8c643bfe55b7 56 */
jksoft 0:8c643bfe55b7 57 typedef enum
jksoft 0:8c643bfe55b7 58 {
jksoft 0:8c643bfe55b7 59 NRF_GPIO_PIN_NOPULL = GPIO_PIN_CNF_PULL_Disabled, ///< Pin pullup resistor disabled
jksoft 0:8c643bfe55b7 60 NRF_GPIO_PIN_PULLDOWN = GPIO_PIN_CNF_PULL_Pulldown, ///< Pin pulldown resistor enabled
jksoft 0:8c643bfe55b7 61 NRF_GPIO_PIN_PULLUP = GPIO_PIN_CNF_PULL_Pullup, ///< Pin pullup resistor enabled
jksoft 0:8c643bfe55b7 62 } nrf_gpio_pin_pull_t;
jksoft 0:8c643bfe55b7 63
jksoft 0:8c643bfe55b7 64 /**
jksoft 0:8c643bfe55b7 65 * @enum nrf_gpio_pin_sense_t
jksoft 0:8c643bfe55b7 66 * @brief Enumerator used for selecting the pin to sense high or low level on the pin input.
jksoft 0:8c643bfe55b7 67 */
jksoft 0:8c643bfe55b7 68 typedef enum
jksoft 0:8c643bfe55b7 69 {
jksoft 0:8c643bfe55b7 70 NRF_GPIO_PIN_NOSENSE = GPIO_PIN_CNF_SENSE_Disabled, ///< Pin sense level disabled.
jksoft 0:8c643bfe55b7 71 NRF_GPIO_PIN_SENSE_LOW = GPIO_PIN_CNF_SENSE_Low, ///< Pin sense low level.
jksoft 0:8c643bfe55b7 72 NRF_GPIO_PIN_SENSE_HIGH = GPIO_PIN_CNF_SENSE_High, ///< Pin sense high level.
jksoft 0:8c643bfe55b7 73 } nrf_gpio_pin_sense_t;
jksoft 0:8c643bfe55b7 74
jksoft 0:8c643bfe55b7 75 /**
jksoft 0:8c643bfe55b7 76 * @brief Function for configuring the GPIO pin range as outputs with normal drive strength.
jksoft 0:8c643bfe55b7 77 * This function can be used to configure pin range as simple output with gate driving GPIO_PIN_CNF_DRIVE_S0S1 (normal cases).
jksoft 0:8c643bfe55b7 78 *
jksoft 0:8c643bfe55b7 79 * @param pin_range_start specifies the start number (inclusive) in the range of pin numbers to be configured (allowed values 0-30)
jksoft 0:8c643bfe55b7 80 *
jksoft 0:8c643bfe55b7 81 * @param pin_range_end specifies the end number (inclusive) in the range of pin numbers to be configured (allowed values 0-30)
jksoft 0:8c643bfe55b7 82 *
jksoft 0:8c643bfe55b7 83 * @note For configuring only one pin as output use @ref nrf_gpio_cfg_output
jksoft 0:8c643bfe55b7 84 * Sense capability on the pin is disabled, and input is disconnected from the buffer as the pins are configured as output.
jksoft 0:8c643bfe55b7 85 */
jksoft 0:8c643bfe55b7 86 static __INLINE void nrf_gpio_range_cfg_output(uint32_t pin_range_start, uint32_t pin_range_end)
jksoft 0:8c643bfe55b7 87 {
jksoft 0:8c643bfe55b7 88 /*lint -e{845} // A zero has been given as right argument to operator '|'" */
jksoft 0:8c643bfe55b7 89 for (; pin_range_start <= pin_range_end; pin_range_start++)
jksoft 0:8c643bfe55b7 90 {
jksoft 0:8c643bfe55b7 91 NRF_GPIO->PIN_CNF[pin_range_start] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
jksoft 0:8c643bfe55b7 92 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
jksoft 0:8c643bfe55b7 93 | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
jksoft 0:8c643bfe55b7 94 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
jksoft 0:8c643bfe55b7 95 | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
jksoft 0:8c643bfe55b7 96 }
jksoft 0:8c643bfe55b7 97 }
jksoft 0:8c643bfe55b7 98
jksoft 0:8c643bfe55b7 99 /**
jksoft 0:8c643bfe55b7 100 * @brief Function for configuring the GPIO pin range as inputs with given initial value set, hiding inner details.
jksoft 0:8c643bfe55b7 101 * This function can be used to configure pin range as simple input.
jksoft 0:8c643bfe55b7 102 *
jksoft 0:8c643bfe55b7 103 * @param pin_range_start specifies the start number (inclusive) in the range of pin numbers to be configured (allowed values 0-30)
jksoft 0:8c643bfe55b7 104 *
jksoft 0:8c643bfe55b7 105 * @param pin_range_end specifies the end number (inclusive) in the range of pin numbers to be configured (allowed values 0-30)
jksoft 0:8c643bfe55b7 106 *
jksoft 0:8c643bfe55b7 107 * @param pull_config State of the pin range pull resistor (no pull, pulled down or pulled high)
jksoft 0:8c643bfe55b7 108 *
jksoft 0:8c643bfe55b7 109 * @note For configuring only one pin as input use @ref nrf_gpio_cfg_input
jksoft 0:8c643bfe55b7 110 * Sense capability on the pin is disabled, and input is connected to buffer so that the GPIO->IN register is readable
jksoft 0:8c643bfe55b7 111 */
jksoft 0:8c643bfe55b7 112 static __INLINE void nrf_gpio_range_cfg_input(uint32_t pin_range_start, uint32_t pin_range_end, nrf_gpio_pin_pull_t pull_config)
jksoft 0:8c643bfe55b7 113 {
jksoft 0:8c643bfe55b7 114 /*lint -e{845} // A zero has been given as right argument to operator '|'" */
jksoft 0:8c643bfe55b7 115 for (; pin_range_start <= pin_range_end; pin_range_start++)
jksoft 0:8c643bfe55b7 116 {
jksoft 0:8c643bfe55b7 117 NRF_GPIO->PIN_CNF[pin_range_start] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
jksoft 0:8c643bfe55b7 118 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
jksoft 0:8c643bfe55b7 119 | (pull_config << GPIO_PIN_CNF_PULL_Pos)
jksoft 0:8c643bfe55b7 120 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
jksoft 0:8c643bfe55b7 121 | (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
jksoft 0:8c643bfe55b7 122 }
jksoft 0:8c643bfe55b7 123 }
jksoft 0:8c643bfe55b7 124
jksoft 0:8c643bfe55b7 125 /**
jksoft 0:8c643bfe55b7 126 * @brief Function for configuring the given GPIO pin number as output with given initial value set, hiding inner details.
jksoft 0:8c643bfe55b7 127 * This function can be used to configure pin range as simple input with gate driving GPIO_PIN_CNF_DRIVE_S0S1 (normal cases).
jksoft 0:8c643bfe55b7 128 *
jksoft 0:8c643bfe55b7 129 * @param pin_number specifies the pin number of gpio pin numbers to be configured (allowed values 0-30)
jksoft 0:8c643bfe55b7 130 *
jksoft 0:8c643bfe55b7 131 * @note Sense capability on the pin is disabled, and input is disconnected from the buffer as the pins are configured as output.
jksoft 0:8c643bfe55b7 132 */
jksoft 0:8c643bfe55b7 133 static __INLINE void nrf_gpio_cfg_output(uint32_t pin_number)
jksoft 0:8c643bfe55b7 134 {
jksoft 0:8c643bfe55b7 135 /*lint -e{845} // A zero has been given as right argument to operator '|'" */
jksoft 0:8c643bfe55b7 136 NRF_GPIO->PIN_CNF[pin_number] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
jksoft 0:8c643bfe55b7 137 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
jksoft 0:8c643bfe55b7 138 | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
jksoft 0:8c643bfe55b7 139 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
jksoft 0:8c643bfe55b7 140 | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
jksoft 0:8c643bfe55b7 141 }
jksoft 0:8c643bfe55b7 142
jksoft 0:8c643bfe55b7 143 /**
jksoft 0:8c643bfe55b7 144 * @brief Function for configuring the given GPIO pin number as input with given initial value set, hiding inner details.
jksoft 0:8c643bfe55b7 145 * This function can be used to configure pin range as simple input with gate driving GPIO_PIN_CNF_DRIVE_S0S1 (normal cases).
jksoft 0:8c643bfe55b7 146 *
jksoft 0:8c643bfe55b7 147 * @param pin_number specifies the pin number of gpio pin numbers to be configured (allowed values 0-30)
jksoft 0:8c643bfe55b7 148 *
jksoft 0:8c643bfe55b7 149 * @param pull_config State of the pin range pull resistor (no pull, pulled down or pulled high)
jksoft 0:8c643bfe55b7 150 *
jksoft 0:8c643bfe55b7 151 * @note Sense capability on the pin is disabled, and input is connected to buffer so that the GPIO->IN register is readable
jksoft 0:8c643bfe55b7 152 */
jksoft 0:8c643bfe55b7 153 static __INLINE void nrf_gpio_cfg_input(uint32_t pin_number, nrf_gpio_pin_pull_t pull_config)
jksoft 0:8c643bfe55b7 154 {
jksoft 0:8c643bfe55b7 155 /*lint -e{845} // A zero has been given as right argument to operator '|'" */
jksoft 0:8c643bfe55b7 156 NRF_GPIO->PIN_CNF[pin_number] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
jksoft 0:8c643bfe55b7 157 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
jksoft 0:8c643bfe55b7 158 | (pull_config << GPIO_PIN_CNF_PULL_Pos)
jksoft 0:8c643bfe55b7 159 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
jksoft 0:8c643bfe55b7 160 | (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
jksoft 0:8c643bfe55b7 161 }
jksoft 0:8c643bfe55b7 162
jksoft 0:8c643bfe55b7 163 /**
jksoft 0:8c643bfe55b7 164 * @brief Function for configuring the given GPIO pin number as input with given initial value set, hiding inner details.
jksoft 0:8c643bfe55b7 165 * This function can be used to configure pin range as simple input with gate driving GPIO_PIN_CNF_DRIVE_S0S1 (normal cases).
jksoft 0:8c643bfe55b7 166 * Sense capability on the pin is configurable, and input is connected to buffer so that the GPIO->IN register is readable.
jksoft 0:8c643bfe55b7 167 *
jksoft 0:8c643bfe55b7 168 * @param pin_number specifies the pin number of gpio pin numbers to be configured (allowed values 0-30).
jksoft 0:8c643bfe55b7 169 *
jksoft 0:8c643bfe55b7 170 * @param pull_config state of the pin pull resistor (no pull, pulled down or pulled high).
jksoft 0:8c643bfe55b7 171 *
jksoft 0:8c643bfe55b7 172 * @param sense_config sense level of the pin (no sense, sense low or sense high).
jksoft 0:8c643bfe55b7 173 */
jksoft 0:8c643bfe55b7 174 static __INLINE void nrf_gpio_cfg_sense_input(uint32_t pin_number, nrf_gpio_pin_pull_t pull_config, nrf_gpio_pin_sense_t sense_config)
jksoft 0:8c643bfe55b7 175 {
jksoft 0:8c643bfe55b7 176 /*lint -e{845} // A zero has been given as right argument to operator '|'" */
jksoft 0:8c643bfe55b7 177 NRF_GPIO->PIN_CNF[pin_number] = (sense_config << GPIO_PIN_CNF_SENSE_Pos)
jksoft 0:8c643bfe55b7 178 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
jksoft 0:8c643bfe55b7 179 | (pull_config << GPIO_PIN_CNF_PULL_Pos)
jksoft 0:8c643bfe55b7 180 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
jksoft 0:8c643bfe55b7 181 | (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
jksoft 0:8c643bfe55b7 182 }
jksoft 0:8c643bfe55b7 183
jksoft 0:8c643bfe55b7 184 /**
jksoft 0:8c643bfe55b7 185 * @brief Function for setting the direction for a GPIO pin.
jksoft 0:8c643bfe55b7 186 *
jksoft 0:8c643bfe55b7 187 * @param pin_number specifies the pin number [0:31] for which to
jksoft 0:8c643bfe55b7 188 * set the direction.
jksoft 0:8c643bfe55b7 189 *
jksoft 0:8c643bfe55b7 190 * @param direction specifies the direction
jksoft 0:8c643bfe55b7 191 */
jksoft 0:8c643bfe55b7 192 static __INLINE void nrf_gpio_pin_dir_set(uint32_t pin_number, nrf_gpio_pin_dir_t direction)
jksoft 0:8c643bfe55b7 193 {
jksoft 0:8c643bfe55b7 194 if(direction == NRF_GPIO_PIN_DIR_INPUT)
jksoft 0:8c643bfe55b7 195 {
jksoft 0:8c643bfe55b7 196 NRF_GPIO->PIN_CNF[pin_number] =
jksoft 0:8c643bfe55b7 197 (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
jksoft 0:8c643bfe55b7 198 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
jksoft 0:8c643bfe55b7 199 | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
jksoft 0:8c643bfe55b7 200 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
jksoft 0:8c643bfe55b7 201 | (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
jksoft 0:8c643bfe55b7 202 }
jksoft 0:8c643bfe55b7 203 else
jksoft 0:8c643bfe55b7 204 {
jksoft 0:8c643bfe55b7 205 NRF_GPIO->DIRSET = (1UL << pin_number);
jksoft 0:8c643bfe55b7 206 }
jksoft 0:8c643bfe55b7 207 }
jksoft 0:8c643bfe55b7 208
jksoft 0:8c643bfe55b7 209 /**
jksoft 0:8c643bfe55b7 210 * @brief Function for setting a GPIO pin.
jksoft 0:8c643bfe55b7 211 *
jksoft 0:8c643bfe55b7 212 * Note that the pin must be configured as an output for this
jksoft 0:8c643bfe55b7 213 * function to have any effect.
jksoft 0:8c643bfe55b7 214 *
jksoft 0:8c643bfe55b7 215 * @param pin_number specifies the pin number [0:31] to
jksoft 0:8c643bfe55b7 216 * set.
jksoft 0:8c643bfe55b7 217 */
jksoft 0:8c643bfe55b7 218 static __INLINE void nrf_gpio_pin_set(uint32_t pin_number)
jksoft 0:8c643bfe55b7 219 {
jksoft 0:8c643bfe55b7 220 NRF_GPIO->OUTSET = (1UL << pin_number);
jksoft 0:8c643bfe55b7 221 }
jksoft 0:8c643bfe55b7 222
jksoft 0:8c643bfe55b7 223 /**
jksoft 0:8c643bfe55b7 224 * @brief Function for clearing a GPIO pin.
jksoft 0:8c643bfe55b7 225 *
jksoft 0:8c643bfe55b7 226 * Note that the pin must be configured as an output for this
jksoft 0:8c643bfe55b7 227 * function to have any effect.
jksoft 0:8c643bfe55b7 228 *
jksoft 0:8c643bfe55b7 229 * @param pin_number specifies the pin number [0:31] to
jksoft 0:8c643bfe55b7 230 * clear.
jksoft 0:8c643bfe55b7 231 */
jksoft 0:8c643bfe55b7 232 static __INLINE void nrf_gpio_pin_clear(uint32_t pin_number)
jksoft 0:8c643bfe55b7 233 {
jksoft 0:8c643bfe55b7 234 NRF_GPIO->OUTCLR = (1UL << pin_number);
jksoft 0:8c643bfe55b7 235 }
jksoft 0:8c643bfe55b7 236
jksoft 0:8c643bfe55b7 237 /**
jksoft 0:8c643bfe55b7 238 * @brief Function for toggling a GPIO pin.
jksoft 0:8c643bfe55b7 239 *
jksoft 0:8c643bfe55b7 240 * Note that the pin must be configured as an output for this
jksoft 0:8c643bfe55b7 241 * function to have any effect.
jksoft 0:8c643bfe55b7 242 *
jksoft 0:8c643bfe55b7 243 * @param pin_number specifies the pin number [0:31] to
jksoft 0:8c643bfe55b7 244 * toggle.
jksoft 0:8c643bfe55b7 245 */
jksoft 0:8c643bfe55b7 246 static __INLINE void nrf_gpio_pin_toggle(uint32_t pin_number)
jksoft 0:8c643bfe55b7 247 {
jksoft 0:8c643bfe55b7 248 NRF_GPIO->OUT ^= (1UL << pin_number);
jksoft 0:8c643bfe55b7 249 }
jksoft 0:8c643bfe55b7 250
jksoft 0:8c643bfe55b7 251 /**
jksoft 0:8c643bfe55b7 252 * @brief Function for writing a value to a GPIO pin.
jksoft 0:8c643bfe55b7 253 *
jksoft 0:8c643bfe55b7 254 * Note that the pin must be configured as an output for this
jksoft 0:8c643bfe55b7 255 * function to have any effect.
jksoft 0:8c643bfe55b7 256 *
jksoft 0:8c643bfe55b7 257 * @param pin_number specifies the pin number [0:31] to
jksoft 0:8c643bfe55b7 258 * write.
jksoft 0:8c643bfe55b7 259 *
jksoft 0:8c643bfe55b7 260 * @param value specifies the value to be written to the pin.
jksoft 0:8c643bfe55b7 261 * @arg 0 clears the pin
jksoft 0:8c643bfe55b7 262 * @arg >=1 sets the pin.
jksoft 0:8c643bfe55b7 263 */
jksoft 0:8c643bfe55b7 264 static __INLINE void nrf_gpio_pin_write(uint32_t pin_number, uint32_t value)
jksoft 0:8c643bfe55b7 265 {
jksoft 0:8c643bfe55b7 266 if (value == 0)
jksoft 0:8c643bfe55b7 267 {
jksoft 0:8c643bfe55b7 268 nrf_gpio_pin_clear(pin_number);
jksoft 0:8c643bfe55b7 269 }
jksoft 0:8c643bfe55b7 270 else
jksoft 0:8c643bfe55b7 271 {
jksoft 0:8c643bfe55b7 272 nrf_gpio_pin_set(pin_number);
jksoft 0:8c643bfe55b7 273 }
jksoft 0:8c643bfe55b7 274 }
jksoft 0:8c643bfe55b7 275
jksoft 0:8c643bfe55b7 276 /**
jksoft 0:8c643bfe55b7 277 * @brief Function for reading the input level of a GPIO pin.
jksoft 0:8c643bfe55b7 278 *
jksoft 0:8c643bfe55b7 279 * Note that the pin must have input connected for the value
jksoft 0:8c643bfe55b7 280 * returned from this function to be valid.
jksoft 0:8c643bfe55b7 281 *
jksoft 0:8c643bfe55b7 282 * @param pin_number specifies the pin number [0:31] to
jksoft 0:8c643bfe55b7 283 * read.
jksoft 0:8c643bfe55b7 284 *
jksoft 0:8c643bfe55b7 285 * @return
jksoft 0:8c643bfe55b7 286 * @retval 0 if the pin input level is low.
jksoft 0:8c643bfe55b7 287 * @retval 1 if the pin input level is high.
jksoft 0:8c643bfe55b7 288 * @retval > 1 should never occur.
jksoft 0:8c643bfe55b7 289 */
jksoft 0:8c643bfe55b7 290 static __INLINE uint32_t nrf_gpio_pin_read(uint32_t pin_number)
jksoft 0:8c643bfe55b7 291 {
jksoft 0:8c643bfe55b7 292 return ((NRF_GPIO->IN >> pin_number) & 1UL);
jksoft 0:8c643bfe55b7 293 }
jksoft 0:8c643bfe55b7 294
jksoft 0:8c643bfe55b7 295 /**
jksoft 0:8c643bfe55b7 296 * @brief Generic function for writing a single byte of a 32 bit word at a given
jksoft 0:8c643bfe55b7 297 * address.
jksoft 0:8c643bfe55b7 298 *
jksoft 0:8c643bfe55b7 299 * This function should not be called from outside the nrf_gpio
jksoft 0:8c643bfe55b7 300 * abstraction layer.
jksoft 0:8c643bfe55b7 301 *
jksoft 0:8c643bfe55b7 302 * @param word_address is the address of the word to be written.
jksoft 0:8c643bfe55b7 303 *
jksoft 0:8c643bfe55b7 304 * @param byte_no is the the word byte number (0-3) to be written.
jksoft 0:8c643bfe55b7 305 *
jksoft 0:8c643bfe55b7 306 * @param value is the value to be written to byte "byte_no" of word
jksoft 0:8c643bfe55b7 307 * at address "word_address"
jksoft 0:8c643bfe55b7 308 */
jksoft 0:8c643bfe55b7 309 static __INLINE void nrf_gpio_word_byte_write(volatile uint32_t * word_address, uint8_t byte_no, uint8_t value)
jksoft 0:8c643bfe55b7 310 {
jksoft 0:8c643bfe55b7 311 *((volatile uint8_t*)(word_address) + byte_no) = value;
jksoft 0:8c643bfe55b7 312 }
jksoft 0:8c643bfe55b7 313
jksoft 0:8c643bfe55b7 314 /**
jksoft 0:8c643bfe55b7 315 * @brief Generic function for reading a single byte of a 32 bit word at a given
jksoft 0:8c643bfe55b7 316 * address.
jksoft 0:8c643bfe55b7 317 *
jksoft 0:8c643bfe55b7 318 * This function should not be called from outside the nrf_gpio
jksoft 0:8c643bfe55b7 319 * abstraction layer.
jksoft 0:8c643bfe55b7 320 *
jksoft 0:8c643bfe55b7 321 * @param word_address is the address of the word to be read.
jksoft 0:8c643bfe55b7 322 *
jksoft 0:8c643bfe55b7 323 * @param byte_no is the the byte number (0-3) of the word to be read.
jksoft 0:8c643bfe55b7 324 *
jksoft 0:8c643bfe55b7 325 * @return byte "byte_no" of word at address "word_address".
jksoft 0:8c643bfe55b7 326 */
jksoft 0:8c643bfe55b7 327 static __INLINE uint8_t nrf_gpio_word_byte_read(const volatile uint32_t* word_address, uint8_t byte_no)
jksoft 0:8c643bfe55b7 328 {
jksoft 0:8c643bfe55b7 329 return (*((const volatile uint8_t*)(word_address) + byte_no));
jksoft 0:8c643bfe55b7 330 }
jksoft 0:8c643bfe55b7 331
jksoft 0:8c643bfe55b7 332 /**
jksoft 0:8c643bfe55b7 333 * @brief Function for setting the direction of a port.
jksoft 0:8c643bfe55b7 334 *
jksoft 0:8c643bfe55b7 335 * @param port is the port for which to set the direction.
jksoft 0:8c643bfe55b7 336 *
jksoft 0:8c643bfe55b7 337 * @param dir direction to be set for this port.
jksoft 0:8c643bfe55b7 338 */
jksoft 0:8c643bfe55b7 339 static __INLINE void nrf_gpio_port_dir_set(nrf_gpio_port_select_t port, nrf_gpio_port_dir_t dir)
jksoft 0:8c643bfe55b7 340 {
jksoft 0:8c643bfe55b7 341 if (dir == NRF_GPIO_PORT_DIR_OUTPUT)
jksoft 0:8c643bfe55b7 342 {
jksoft 0:8c643bfe55b7 343 nrf_gpio_word_byte_write(&NRF_GPIO->DIRSET, port, 0xFF);
jksoft 0:8c643bfe55b7 344 }
jksoft 0:8c643bfe55b7 345 else
jksoft 0:8c643bfe55b7 346 {
jksoft 0:8c643bfe55b7 347 nrf_gpio_range_cfg_input(port*8, (port+1)*8-1, NRF_GPIO_PIN_NOPULL);
jksoft 0:8c643bfe55b7 348 }
jksoft 0:8c643bfe55b7 349 }
jksoft 0:8c643bfe55b7 350
jksoft 0:8c643bfe55b7 351 /**
jksoft 0:8c643bfe55b7 352 * @brief Function for reading a GPIO port.
jksoft 0:8c643bfe55b7 353 *
jksoft 0:8c643bfe55b7 354 * @param port is the port to read.
jksoft 0:8c643bfe55b7 355 *
jksoft 0:8c643bfe55b7 356 * @return the input value on this port.
jksoft 0:8c643bfe55b7 357 */
jksoft 0:8c643bfe55b7 358 static __INLINE uint8_t nrf_gpio_port_read(nrf_gpio_port_select_t port)
jksoft 0:8c643bfe55b7 359 {
jksoft 0:8c643bfe55b7 360 return nrf_gpio_word_byte_read(&NRF_GPIO->IN, port);
jksoft 0:8c643bfe55b7 361 }
jksoft 0:8c643bfe55b7 362
jksoft 0:8c643bfe55b7 363 /**
jksoft 0:8c643bfe55b7 364 * @brief Function for writing to a GPIO port.
jksoft 0:8c643bfe55b7 365 *
jksoft 0:8c643bfe55b7 366 * @param port is the port to write.
jksoft 0:8c643bfe55b7 367 *
jksoft 0:8c643bfe55b7 368 * @param value is the value to write to this port.
jksoft 0:8c643bfe55b7 369 *
jksoft 0:8c643bfe55b7 370 * @sa nrf_gpio_port_dir_set()
jksoft 0:8c643bfe55b7 371 */
jksoft 0:8c643bfe55b7 372 static __INLINE void nrf_gpio_port_write(nrf_gpio_port_select_t port, uint8_t value)
jksoft 0:8c643bfe55b7 373 {
jksoft 0:8c643bfe55b7 374 nrf_gpio_word_byte_write(&NRF_GPIO->OUT, port, value);
jksoft 0:8c643bfe55b7 375 }
jksoft 0:8c643bfe55b7 376
jksoft 0:8c643bfe55b7 377 /**
jksoft 0:8c643bfe55b7 378 * @brief Function for setting individual pins on GPIO port.
jksoft 0:8c643bfe55b7 379 *
jksoft 0:8c643bfe55b7 380 * @param port is the port for which to set the pins.
jksoft 0:8c643bfe55b7 381 *
jksoft 0:8c643bfe55b7 382 * @param set_mask is a mask specifying which pins to set. A bit
jksoft 0:8c643bfe55b7 383 * set to 1 indicates that the corresponding port pin shall be
jksoft 0:8c643bfe55b7 384 * set.
jksoft 0:8c643bfe55b7 385 *
jksoft 0:8c643bfe55b7 386 * @sa nrf_gpio_port_dir_set()
jksoft 0:8c643bfe55b7 387 */
jksoft 0:8c643bfe55b7 388 static __INLINE void nrf_gpio_port_set(nrf_gpio_port_select_t port, uint8_t set_mask)
jksoft 0:8c643bfe55b7 389 {
jksoft 0:8c643bfe55b7 390 nrf_gpio_word_byte_write(&NRF_GPIO->OUTSET, port, set_mask);
jksoft 0:8c643bfe55b7 391 }
jksoft 0:8c643bfe55b7 392
jksoft 0:8c643bfe55b7 393 /**
jksoft 0:8c643bfe55b7 394 * @brief Function for clearing individual pins on GPIO port.
jksoft 0:8c643bfe55b7 395 *
jksoft 0:8c643bfe55b7 396 * @param port is the port for which to clear the pins.
jksoft 0:8c643bfe55b7 397 *
jksoft 0:8c643bfe55b7 398 * @param clr_mask is a mask specifying which pins to clear. A bit
jksoft 0:8c643bfe55b7 399 * set to 1 indicates that the corresponding port pin shall be
jksoft 0:8c643bfe55b7 400 * cleared.
jksoft 0:8c643bfe55b7 401 *
jksoft 0:8c643bfe55b7 402 * @sa nrf_gpio_port_dir_set()
jksoft 0:8c643bfe55b7 403 */
jksoft 0:8c643bfe55b7 404 static __INLINE void nrf_gpio_port_clear(nrf_gpio_port_select_t port, uint8_t clr_mask)
jksoft 0:8c643bfe55b7 405 {
jksoft 0:8c643bfe55b7 406 nrf_gpio_word_byte_write(&NRF_GPIO->OUTCLR, port, clr_mask);
jksoft 0:8c643bfe55b7 407 }
jksoft 0:8c643bfe55b7 408
jksoft 0:8c643bfe55b7 409 /** @} */
jksoft 0:8c643bfe55b7 410
jksoft 0:8c643bfe55b7 411 #endif