Naze32 clone with Frysky receiver
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PortOut.h 2.4KB

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  1. /* mbed Microcontroller Library
  2. * Copyright (c) 2006-2013 ARM Limited
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. */
  16. #ifndef MBED_PORTOUT_H
  17. #define MBED_PORTOUT_H
  18. #include "platform.h"
  19. #if DEVICE_PORTOUT
  20. #include "port_api.h"
  21. namespace mbed {
  22. /** A multiple pin digital out
  23. *
  24. * Example:
  25. * @code
  26. * // Toggle all four LEDs
  27. *
  28. * #include "mbed.h"
  29. *
  30. * // LED1 = P1.18 LED2 = P1.20 LED3 = P1.21 LED4 = P1.23
  31. * #define LED_MASK 0x00B40000
  32. *
  33. * PortOut ledport(Port1, LED_MASK);
  34. *
  35. * int main() {
  36. * while(1) {
  37. * ledport = LED_MASK;
  38. * wait(1);
  39. * ledport = 0;
  40. * wait(1);
  41. * }
  42. * }
  43. * @endcode
  44. */
  45. class PortOut {
  46. public:
  47. /** Create an PortOut, connected to the specified port
  48. *
  49. * @param port Port to connect to (Port0-Port5)
  50. * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
  51. */
  52. PortOut(PortName port, int mask = 0xFFFFFFFF) {
  53. port_init(&_port, port, mask, PIN_OUTPUT);
  54. }
  55. /** Write the value to the output port
  56. *
  57. * @param value An integer specifying a bit to write for every corresponding PortOut pin
  58. */
  59. void write(int value) {
  60. port_write(&_port, value);
  61. }
  62. /** Read the value currently output on the port
  63. *
  64. * @returns
  65. * An integer with each bit corresponding to associated PortOut pin setting
  66. */
  67. int read() {
  68. return port_read(&_port);
  69. }
  70. /** A shorthand for write()
  71. */
  72. PortOut& operator= (int value) {
  73. write(value);
  74. return *this;
  75. }
  76. PortOut& operator= (PortOut& rhs) {
  77. write(rhs.read());
  78. return *this;
  79. }
  80. /** A shorthand for read()
  81. */
  82. operator int() {
  83. return read();
  84. }
  85. private:
  86. port_t _port;
  87. };
  88. } // namespace mbed
  89. #endif
  90. #endif