use mbed os
Dependents: Seeed_Grove_I2C_Touch_Example
Fork of MPR121 by
MPR121.h@18:8c7054b112f0, 2017-07-02 (annotated)
- Committer:
- tulanthoar
- Date:
- Sun Jul 02 17:34:58 2017 +0000
- Revision:
- 18:8c7054b112f0
- Parent:
- 16:94e77e14a859
- Parent:
- 17:2d6b050ad8b8
- Child:
- 19:eaa64138290b
merge
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sam_grove | 0:42add775212a | 1 | /** |
sam_grove | 0:42add775212a | 2 | * @file MPR121.h |
sam_grove | 0:42add775212a | 3 | * @brief Device driver - MPR121 capactiive touch IC |
sam_grove | 0:42add775212a | 4 | * @author sam grove |
sam_grove | 0:42add775212a | 5 | * @version 1.0 |
sam_grove | 0:42add775212a | 6 | * @see http://cache.freescale.com/files/sensors/doc/data_sheet/MPR121.pdf |
sam_grove | 0:42add775212a | 7 | * |
sam_grove | 0:42add775212a | 8 | * Copyright (c) 2013 |
sam_grove | 0:42add775212a | 9 | * |
sam_grove | 0:42add775212a | 10 | * Licensed under the Apache License, Version 2.0 (the "License"); |
sam_grove | 0:42add775212a | 11 | * you may not use this file except in compliance with the License. |
sam_grove | 0:42add775212a | 12 | * You may obtain a copy of the License at |
sam_grove | 0:42add775212a | 13 | * |
sam_grove | 0:42add775212a | 14 | * http://www.apache.org/licenses/LICENSE-2.0 |
sam_grove | 0:42add775212a | 15 | * |
sam_grove | 0:42add775212a | 16 | * Unless required by applicable law or agreed to in writing, software |
sam_grove | 0:42add775212a | 17 | * distributed under the License is distributed on an "AS IS" BASIS, |
sam_grove | 0:42add775212a | 18 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
sam_grove | 0:42add775212a | 19 | * See the License for the specific language governing permissions and |
sam_grove | 0:42add775212a | 20 | * limitations under the License. |
sam_grove | 0:42add775212a | 21 | */ |
sam_grove | 0:42add775212a | 22 | |
sam_grove | 0:42add775212a | 23 | #ifndef MPR121_H |
sam_grove | 0:42add775212a | 24 | #define MPR121_H |
sam_grove | 0:42add775212a | 25 | |
sam_grove | 0:42add775212a | 26 | #include "mbed.h" |
sam_grove | 0:42add775212a | 27 | |
sam_grove | 3:828260f21de6 | 28 | /** Using the Sparkfun SEN-10250 BoB |
sam_grove | 0:42add775212a | 29 | * |
sam_grove | 0:42add775212a | 30 | * Example: |
sam_grove | 0:42add775212a | 31 | * @code |
sam_grove | 3:828260f21de6 | 32 | * #include "mbed.h" |
sam_grove | 3:828260f21de6 | 33 | * #include "MPR121.h" |
sam_grove | 3:828260f21de6 | 34 | * |
sam_grove | 3:828260f21de6 | 35 | * Serial pc(USBTX, USBRX); |
sam_grove | 3:828260f21de6 | 36 | * DigitalOut myled(LED1); |
sam_grove | 3:828260f21de6 | 37 | * |
sam_grove | 3:828260f21de6 | 38 | * #if defined TARGET_LPC1768 || TARGET_LPC11U24 |
sam_grove | 3:828260f21de6 | 39 | * I2C i2c(p28, p27); |
sam_grove | 3:828260f21de6 | 40 | * InterruptIn irq(p26); |
sam_grove | 3:828260f21de6 | 41 | * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS); |
sam_grove | 3:828260f21de6 | 42 | * |
sam_grove | 3:828260f21de6 | 43 | * #elif defined TARGET_KL25Z |
sam_grove | 3:828260f21de6 | 44 | * I2C i2c(PTC9, PTC8); |
sam_grove | 3:828260f21de6 | 45 | * InterruptIn irq(PTA5); |
sam_grove | 3:828260f21de6 | 46 | * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS); |
sam_grove | 3:828260f21de6 | 47 | * |
sam_grove | 3:828260f21de6 | 48 | * #else |
sam_grove | 3:828260f21de6 | 49 | * #error TARGET NOT TESTED |
sam_grove | 3:828260f21de6 | 50 | * #endif |
sam_grove | 3:828260f21de6 | 51 | * |
sam_grove | 3:828260f21de6 | 52 | * int main() |
sam_grove | 3:828260f21de6 | 53 | * { |
sam_grove | 3:828260f21de6 | 54 | * touch_pad.init(); |
sam_grove | 3:828260f21de6 | 55 | * touch_pad.enable(); |
sam_grove | 3:828260f21de6 | 56 | * |
sam_grove | 3:828260f21de6 | 57 | * while(1) |
sam_grove | 3:828260f21de6 | 58 | * { |
sam_grove | 3:828260f21de6 | 59 | * if(touch_pad.isPressed()) |
sam_grove | 3:828260f21de6 | 60 | * { |
sam_grove | 3:828260f21de6 | 61 | * uint16_t button_val = touch_pad.buttonPressed(); |
sam_grove | 3:828260f21de6 | 62 | * printf("button = 0x%04x\n", button_val); |
sam_grove | 3:828260f21de6 | 63 | * myled = (button_val>0) ? 1 : 0; |
sam_grove | 3:828260f21de6 | 64 | * } |
sam_grove | 3:828260f21de6 | 65 | * } |
sam_grove | 3:828260f21de6 | 66 | * } |
sam_grove | 0:42add775212a | 67 | * @endcode |
sam_grove | 0:42add775212a | 68 | */ |
sam_grove | 0:42add775212a | 69 | |
sam_grove | 0:42add775212a | 70 | /** |
sam_grove | 0:42add775212a | 71 | * @class MPR121 |
sam_grove | 3:828260f21de6 | 72 | * @brief API for the MPR121 capacitive touch IC |
sam_grove | 0:42add775212a | 73 | */ |
sam_grove | 0:42add775212a | 74 | class MPR121 |
sam_grove | 0:42add775212a | 75 | { |
sam_grove | 0:42add775212a | 76 | private: |
sam_grove | 0:42add775212a | 77 | |
sam_grove | 0:42add775212a | 78 | I2C *_i2c; |
sam_grove | 0:42add775212a | 79 | InterruptIn *_irq; |
sam_grove | 0:42add775212a | 80 | uint8_t _i2c_addr; |
sam_grove | 0:42add775212a | 81 | volatile uint16_t _button; |
sam_grove | 0:42add775212a | 82 | volatile uint32_t _button_has_changed; |
sam_grove | 0:42add775212a | 83 | |
sam_grove | 0:42add775212a | 84 | /** The interrupt handler for the IRQ pin |
sam_grove | 0:42add775212a | 85 | */ |
sam_grove | 0:42add775212a | 86 | void handler(void); |
sam_grove | 0:42add775212a | 87 | |
sam_grove | 0:42add775212a | 88 | public: |
sam_grove | 0:42add775212a | 89 | |
sam_grove | 0:42add775212a | 90 | /** |
sam_grove | 0:42add775212a | 91 | * @enum MPR121_ADDR |
sam_grove | 0:42add775212a | 92 | * @brief Possible terminations for the ADDR pin |
sam_grove | 0:42add775212a | 93 | */ |
sam_grove | 0:42add775212a | 94 | enum MPR121_ADDR |
sam_grove | 0:42add775212a | 95 | { |
tulanthoar | 17:2d6b050ad8b8 | 96 | <<<<<<< local |
Nathan Yonkee |
10:fb2d2454fea4 | 97 | ADDR_VSS = 0x1B, /*!< ADDR connected to VSS */ |
tulanthoar | 17:2d6b050ad8b8 | 98 | ======= |
sam_grove | 0:42add775212a | 99 | ADDR_VSS = 0x5A, /*!< ADDR connected to VSS */ |
tulanthoar | 17:2d6b050ad8b8 | 100 | >>>>>>> other |
sam_grove | 0:42add775212a | 101 | ADDR_VDD, /*!< ADDR connected to VDD */ |
sam_grove | 0:42add775212a | 102 | ADDR_SCL, /*!< ADDR connected to SDA */ |
sam_grove | 0:42add775212a | 103 | ADDR_SDA /*!< ADDR connected to SCL */ |
sam_grove | 0:42add775212a | 104 | }; |
sam_grove | 0:42add775212a | 105 | |
sam_grove | 0:42add775212a | 106 | /** |
sam_grove | 0:42add775212a | 107 | * @enum MPR121_REGISTER |
sam_grove | 0:42add775212a | 108 | * @brief The device register map |
sam_grove | 0:42add775212a | 109 | */ |
sam_grove | 0:42add775212a | 110 | enum MPR121_REGISTER |
sam_grove | 0:42add775212a | 111 | { |
sam_grove | 0:42add775212a | 112 | ELE0_7_STAT = 0x00, |
sam_grove | 0:42add775212a | 113 | ELE8_11_STAT, ELE0_7_OOR_STAT, ELE8_11_OOR_STAT, EFD0LB, EFD0HB, |
sam_grove | 0:42add775212a | 114 | EFD1LB, EFD1HB, EFD2LB, EFD2HB, EFD3LB, EFD3HB, EFD4LB, EFD4HB, EFD5LB, EFD5HB, |
sam_grove | 0:42add775212a | 115 | |
sam_grove | 0:42add775212a | 116 | EFD6LB = 0x10, |
sam_grove | 0:42add775212a | 117 | EFD6HB, EFD7LB, EFD7HB, EFD8LB, EFD8HB, EFD9LB, EFD9HB, EFD10LB, |
sam_grove | 0:42add775212a | 118 | EFD10HB, EFD11LB, EFD11HB, EFDPROXLB, EFDPROXHB, E0BV, E1BV, |
sam_grove | 0:42add775212a | 119 | |
sam_grove | 0:42add775212a | 120 | E2BV = 0x20, |
sam_grove | 0:42add775212a | 121 | E3BV, E4BV, E5BV, E6BV, E7BV, E8BV, E9BV, E10BV, E11BV, EPROXBV, |
sam_grove | 0:42add775212a | 122 | MHDR, NHDR, NCLR, FDLR, MHDF, |
sam_grove | 0:42add775212a | 123 | |
sam_grove | 0:42add775212a | 124 | NHDF = 0x30, |
sam_grove | 0:42add775212a | 125 | NCLF, FDLF, NHDT, NCLT, FDLT, MHDPROXR, NHDPROXR, NCLPROXR, |
sam_grove | 0:42add775212a | 126 | FDLPROXR, MHDPROXF, NHDPROXF, NCLPROXF, FDLPROXF, NHDPROXT, NCLPROXT, |
sam_grove | 0:42add775212a | 127 | |
sam_grove | 0:42add775212a | 128 | FDLPROXT = 0x40, |
sam_grove | 0:42add775212a | 129 | E0TTH, E0RTH, E1TTH, E1RTH, E2TTH, E2RTH, E3TTH, E3RTH, |
sam_grove | 0:42add775212a | 130 | E4TTH, E4RTH, E5TTH, E5RTH, E6TTH, E6RTH, E7TTH, |
sam_grove | 0:42add775212a | 131 | |
sam_grove | 0:42add775212a | 132 | E7RTH = 0x50, |
sam_grove | 0:42add775212a | 133 | E8TTH, E8RTH, E9TTH, E9RTH, E10TTH, E10RTH, E11TTH, E11RTH, |
sam_grove | 0:42add775212a | 134 | EPROXTTH, EPROXRTH, DT_DR, CDC_CONFIG, CDT_CONFIG, ECR, CDC0, |
sam_grove | 0:42add775212a | 135 | |
sam_grove | 0:42add775212a | 136 | CDC1 = 0x60, |
sam_grove | 0:42add775212a | 137 | CDC2, CDC3, CDC4, CDC5, CDC6, CDC7, CDC8, CDC9, CDC10, CDC11, CDCPROX, CDT0_CDT1, |
sam_grove | 0:42add775212a | 138 | CDT2_CDT3, CDT4_CDT5, CDT6_CDT7, |
sam_grove | 0:42add775212a | 139 | |
sam_grove | 0:42add775212a | 140 | CDT8_CDT9 = 0x70, |
sam_grove | 0:42add775212a | 141 | CDT10_CDT11, CDTPROX, GPIO_CTRL0, GPIO_CTRL1, GPIO_DATA, GPIO_DIR, GPIO_EN, GPIO_SET, |
sam_grove | 0:42add775212a | 142 | GPIO_CLR, GPIO_TOGGLE, AUTO_CFG0, AUTO_CFG1, USL, LSL, TL, |
sam_grove | 0:42add775212a | 143 | |
sam_grove | 0:42add775212a | 144 | SRST = 0x80 |
sam_grove | 0:42add775212a | 145 | }; |
sam_grove | 0:42add775212a | 146 | |
sam_grove | 0:42add775212a | 147 | /** Create the MPR121 object |
sam_grove | 1:cee45334b36a | 148 | * @param i2c - A defined I2C object |
sam_grove | 1:cee45334b36a | 149 | * @param pin - A defined InterruptIn object |
sam_grove | 1:cee45334b36a | 150 | * @param i2c_addr - Connection of the address line |
sam_grove | 0:42add775212a | 151 | */ |
sam_grove | 0:42add775212a | 152 | MPR121(I2C &i2c, InterruptIn &pin, MPR121_ADDR i2c_addr); |
sam_grove | 0:42add775212a | 153 | |
sam_grove | 5:3934358ec2b7 | 154 | /** Create the MPR121 object |
sam_grove | 5:3934358ec2b7 | 155 | * @param i2c - A defined I2C object |
sam_grove | 5:3934358ec2b7 | 156 | * @param i2c_addr - Connection of the address line |
sam_grove | 5:3934358ec2b7 | 157 | */ |
tulanthoar | 17:2d6b050ad8b8 | 158 | <<<<<<< local |
Nathan Yonkee |
10:fb2d2454fea4 | 159 | MPR121(I2C &i2c, MPR121_ADDR fake); |
sam_grove | 5:3934358ec2b7 | 160 | |
tulanthoar | 17:2d6b050ad8b8 | 161 | ======= |
sam_grove | 5:3934358ec2b7 | 162 | MPR121(I2C &i2c, MPR121_ADDR i2c_addr); |
tulanthoar | 14:6bcd2f6a4fee | 163 | /** |
tulanthoar | 14:6bcd2f6a4fee | 164 | * @file MPR121.h |
tulanthoar | 14:6bcd2f6a4fee | 165 | * @brief Device driver - MPR121 capactiive touch IC |
tulanthoar | 14:6bcd2f6a4fee | 166 | * @author sam grove |
tulanthoar | 14:6bcd2f6a4fee | 167 | * @version 1.0 |
tulanthoar | 14:6bcd2f6a4fee | 168 | * @see http://cache.freescale.com/files/sensors/doc/data_sheet/MPR121.pdf |
tulanthoar | 14:6bcd2f6a4fee | 169 | * |
tulanthoar | 14:6bcd2f6a4fee | 170 | * Copyright (c) 2013 |
tulanthoar | 14:6bcd2f6a4fee | 171 | * |
tulanthoar | 14:6bcd2f6a4fee | 172 | * Licensed under the Apache License, Version 2.0 (the "License"); |
tulanthoar | 14:6bcd2f6a4fee | 173 | * you may not use this file except in compliance with the License. |
tulanthoar | 14:6bcd2f6a4fee | 174 | * You may obtain a copy of the License at |
tulanthoar | 14:6bcd2f6a4fee | 175 | * |
tulanthoar | 14:6bcd2f6a4fee | 176 | * http://www.apache.org/licenses/LICENSE-2.0 |
tulanthoar | 14:6bcd2f6a4fee | 177 | * |
tulanthoar | 14:6bcd2f6a4fee | 178 | * Unless required by applicable law or agreed to in writing, software |
tulanthoar | 14:6bcd2f6a4fee | 179 | * distributed under the License is distributed on an "AS IS" BASIS, |
tulanthoar | 14:6bcd2f6a4fee | 180 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
tulanthoar | 14:6bcd2f6a4fee | 181 | * See the License for the specific language governing permissions and |
tulanthoar | 14:6bcd2f6a4fee | 182 | * limitations under the License. |
tulanthoar | 14:6bcd2f6a4fee | 183 | */ |
tulanthoar | 14:6bcd2f6a4fee | 184 | |
tulanthoar | 14:6bcd2f6a4fee | 185 | #ifndef MPR121_H |
tulanthoar | 14:6bcd2f6a4fee | 186 | #define MPR121_H |
tulanthoar | 14:6bcd2f6a4fee | 187 | |
tulanthoar | 14:6bcd2f6a4fee | 188 | #include "mbed.h" |
tulanthoar | 14:6bcd2f6a4fee | 189 | #include "rtos.h" |
tulanthoar | 14:6bcd2f6a4fee | 190 | |
tulanthoar | 14:6bcd2f6a4fee | 191 | /** Using the Sparkfun SEN-10250 BoB |
tulanthoar | 14:6bcd2f6a4fee | 192 | * |
tulanthoar | 14:6bcd2f6a4fee | 193 | * Example: |
tulanthoar | 14:6bcd2f6a4fee | 194 | * @code |
tulanthoar | 14:6bcd2f6a4fee | 195 | * #include "mbed.h" |
tulanthoar | 14:6bcd2f6a4fee | 196 | * #include "MPR121.h" |
tulanthoar | 14:6bcd2f6a4fee | 197 | * |
tulanthoar | 14:6bcd2f6a4fee | 198 | * Serial pc(USBTX, USBRX); |
tulanthoar | 14:6bcd2f6a4fee | 199 | * DigitalOut myled(LED1); |
tulanthoar | 14:6bcd2f6a4fee | 200 | * |
tulanthoar | 14:6bcd2f6a4fee | 201 | * #if defined TARGET_LPC1768 || TARGET_LPC11U24 |
tulanthoar | 14:6bcd2f6a4fee | 202 | * I2C i2c(p28, p27); |
tulanthoar | 14:6bcd2f6a4fee | 203 | * InterruptIn irq(p26); |
tulanthoar | 14:6bcd2f6a4fee | 204 | * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS); |
tulanthoar | 14:6bcd2f6a4fee | 205 | * |
tulanthoar | 14:6bcd2f6a4fee | 206 | * #elif defined TARGET_KL25Z |
tulanthoar | 14:6bcd2f6a4fee | 207 | * I2C i2c(PTC9, PTC8); |
tulanthoar | 14:6bcd2f6a4fee | 208 | * InterruptIn irq(PTA5); |
tulanthoar | 14:6bcd2f6a4fee | 209 | * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS); |
tulanthoar | 14:6bcd2f6a4fee | 210 | * |
tulanthoar | 14:6bcd2f6a4fee | 211 | * #else |
tulanthoar | 14:6bcd2f6a4fee | 212 | * #error TARGET NOT TESTED |
tulanthoar | 14:6bcd2f6a4fee | 213 | * #endif |
tulanthoar | 14:6bcd2f6a4fee | 214 | * |
tulanthoar | 14:6bcd2f6a4fee | 215 | * int main() |
tulanthoar | 14:6bcd2f6a4fee | 216 | * { |
tulanthoar | 14:6bcd2f6a4fee | 217 | * touch_pad.init(); |
tulanthoar | 14:6bcd2f6a4fee | 218 | * touch_pad.enable(); |
tulanthoar | 14:6bcd2f6a4fee | 219 | * |
tulanthoar | 14:6bcd2f6a4fee | 220 | * while(1) |
tulanthoar | 14:6bcd2f6a4fee | 221 | * { |
tulanthoar | 14:6bcd2f6a4fee | 222 | * if(touch_pad.isPressed()) |
tulanthoar | 14:6bcd2f6a4fee | 223 | * { |
tulanthoar | 14:6bcd2f6a4fee | 224 | * uint16_t button_val = touch_pad.buttonPressed(); |
tulanthoar | 14:6bcd2f6a4fee | 225 | * printf("button = 0x%04x\n", button_val); |
tulanthoar | 14:6bcd2f6a4fee | 226 | * myled = (button_val>0) ? 1 : 0; |
tulanthoar | 14:6bcd2f6a4fee | 227 | * } |
tulanthoar | 14:6bcd2f6a4fee | 228 | * } |
tulanthoar | 14:6bcd2f6a4fee | 229 | * } |
tulanthoar | 14:6bcd2f6a4fee | 230 | * @endcode |
tulanthoar | 14:6bcd2f6a4fee | 231 | */ |
tulanthoar | 14:6bcd2f6a4fee | 232 | |
tulanthoar | 14:6bcd2f6a4fee | 233 | /** |
tulanthoar | 14:6bcd2f6a4fee | 234 | * @class MPR121 |
tulanthoar | 14:6bcd2f6a4fee | 235 | * @brief API for the MPR121 capacitive touch IC |
tulanthoar | 14:6bcd2f6a4fee | 236 | */ |
tulanthoar | 14:6bcd2f6a4fee | 237 | class MPR121 |
tulanthoar | 14:6bcd2f6a4fee | 238 | { |
tulanthoar | 14:6bcd2f6a4fee | 239 | private: |
tulanthoar | 14:6bcd2f6a4fee | 240 | |
tulanthoar | 14:6bcd2f6a4fee | 241 | I2C *_i2c; |
tulanthoar | 14:6bcd2f6a4fee | 242 | InterruptIn *_irq; |
tulanthoar | 14:6bcd2f6a4fee | 243 | uint8_t _i2c_addr; |
tulanthoar | 14:6bcd2f6a4fee | 244 | volatile uint16_t _button; |
tulanthoar | 14:6bcd2f6a4fee | 245 | volatile uint32_t _button_has_changed; |
tulanthoar | 14:6bcd2f6a4fee | 246 | |
tulanthoar | 14:6bcd2f6a4fee | 247 | /** The interrupt handler for the IRQ pin |
tulanthoar | 14:6bcd2f6a4fee | 248 | */ |
tulanthoar | 14:6bcd2f6a4fee | 249 | void handler(void); |
tulanthoar | 14:6bcd2f6a4fee | 250 | |
tulanthoar | 14:6bcd2f6a4fee | 251 | public: |
tulanthoar | 14:6bcd2f6a4fee | 252 | |
tulanthoar | 14:6bcd2f6a4fee | 253 | /** |
tulanthoar | 14:6bcd2f6a4fee | 254 | * @enum MPR121_ADDR |
tulanthoar | 14:6bcd2f6a4fee | 255 | * @brief Possible terminations for the ADDR pin |
tulanthoar | 14:6bcd2f6a4fee | 256 | */ |
tulanthoar | 14:6bcd2f6a4fee | 257 | enum MPR121_ADDR |
tulanthoar | 14:6bcd2f6a4fee | 258 | { |
tulanthoar | 14:6bcd2f6a4fee | 259 | ADDR_VSS = 0x5A, /*!< ADDR connected to VSS */ |
tulanthoar | 14:6bcd2f6a4fee | 260 | ADDR_VDD, /*!< ADDR connected to VDD */ |
tulanthoar | 14:6bcd2f6a4fee | 261 | ADDR_SCL, /*!< ADDR connected to SDA */ |
tulanthoar | 14:6bcd2f6a4fee | 262 | ADDR_SDA /*!< ADDR connected to SCL */ |
tulanthoar | 14:6bcd2f6a4fee | 263 | }; |
tulanthoar | 14:6bcd2f6a4fee | 264 | |
tulanthoar | 14:6bcd2f6a4fee | 265 | /** |
tulanthoar | 14:6bcd2f6a4fee | 266 | * @enum MPR121_REGISTER |
tulanthoar | 14:6bcd2f6a4fee | 267 | * @brief The device register map |
tulanthoar | 14:6bcd2f6a4fee | 268 | */ |
tulanthoar | 14:6bcd2f6a4fee | 269 | enum MPR121_REGISTER |
tulanthoar | 14:6bcd2f6a4fee | 270 | { |
tulanthoar | 14:6bcd2f6a4fee | 271 | ELE0_7_STAT = 0x00, |
tulanthoar | 14:6bcd2f6a4fee | 272 | ELE8_11_STAT, ELE0_7_OOR_STAT, ELE8_11_OOR_STAT, EFD0LB, EFD0HB, |
tulanthoar | 14:6bcd2f6a4fee | 273 | EFD1LB, EFD1HB, EFD2LB, EFD2HB, EFD3LB, EFD3HB, EFD4LB, EFD4HB, EFD5LB, EFD5HB, |
tulanthoar | 14:6bcd2f6a4fee | 274 | |
tulanthoar | 14:6bcd2f6a4fee | 275 | EFD6LB = 0x10, |
tulanthoar | 14:6bcd2f6a4fee | 276 | EFD6HB, EFD7LB, EFD7HB, EFD8LB, EFD8HB, EFD9LB, EFD9HB, EFD10LB, |
tulanthoar | 14:6bcd2f6a4fee | 277 | EFD10HB, EFD11LB, EFD11HB, EFDPROXLB, EFDPROXHB, E0BV, E1BV, |
tulanthoar | 14:6bcd2f6a4fee | 278 | |
tulanthoar | 14:6bcd2f6a4fee | 279 | E2BV = 0x20, |
tulanthoar | 14:6bcd2f6a4fee | 280 | E3BV, E4BV, E5BV, E6BV, E7BV, E8BV, E9BV, E10BV, E11BV, EPROXBV, |
tulanthoar | 14:6bcd2f6a4fee | 281 | MHDR, NHDR, NCLR, FDLR, MHDF, |
tulanthoar | 14:6bcd2f6a4fee | 282 | |
tulanthoar | 14:6bcd2f6a4fee | 283 | NHDF = 0x30, |
tulanthoar | 14:6bcd2f6a4fee | 284 | NCLF, FDLF, NHDT, NCLT, FDLT, MHDPROXR, NHDPROXR, NCLPROXR, |
tulanthoar | 14:6bcd2f6a4fee | 285 | FDLPROXR, MHDPROXF, NHDPROXF, NCLPROXF, FDLPROXF, NHDPROXT, NCLPROXT, |
tulanthoar | 14:6bcd2f6a4fee | 286 | |
tulanthoar | 14:6bcd2f6a4fee | 287 | FDLPROXT = 0x40, |
tulanthoar | 14:6bcd2f6a4fee | 288 | E0TTH, E0RTH, E1TTH, E1RTH, E2TTH, E2RTH, E3TTH, E3RTH, |
tulanthoar | 14:6bcd2f6a4fee | 289 | E4TTH, E4RTH, E5TTH, E5RTH, E6TTH, E6RTH, E7TTH, |
tulanthoar | 14:6bcd2f6a4fee | 290 | |
tulanthoar | 14:6bcd2f6a4fee | 291 | E7RTH = 0x50, |
tulanthoar | 14:6bcd2f6a4fee | 292 | E8TTH, E8RTH, E9TTH, E9RTH, E10TTH, E10RTH, E11TTH, E11RTH, |
tulanthoar | 14:6bcd2f6a4fee | 293 | EPROXTTH, EPROXRTH, DT_DR, CDC_CONFIG, CDT_CONFIG, ECR, CDC0, |
tulanthoar | 14:6bcd2f6a4fee | 294 | |
tulanthoar | 14:6bcd2f6a4fee | 295 | CDC1 = 0x60, |
tulanthoar | 14:6bcd2f6a4fee | 296 | CDC2, CDC3, CDC4, CDC5, CDC6, CDC7, CDC8, CDC9, CDC10, CDC11, CDCPROX, CDT0_CDT1, |
tulanthoar | 14:6bcd2f6a4fee | 297 | CDT2_CDT3, CDT4_CDT5, CDT6_CDT7, |
tulanthoar | 14:6bcd2f6a4fee | 298 | |
tulanthoar | 14:6bcd2f6a4fee | 299 | CDT8_CDT9 = 0x70, |
tulanthoar | 14:6bcd2f6a4fee | 300 | CDT10_CDT11, CDTPROX, GPIO_CTRL0, GPIO_CTRL1, GPIO_DATA, GPIO_DIR, GPIO_EN, GPIO_SET, |
tulanthoar | 14:6bcd2f6a4fee | 301 | GPIO_CLR, GPIO_TOGGLE, AUTO_CFG0, AUTO_CFG1, USL, LSL, TL, |
tulanthoar | 14:6bcd2f6a4fee | 302 | |
tulanthoar | 14:6bcd2f6a4fee | 303 | SRST = 0x80 |
tulanthoar | 14:6bcd2f6a4fee | 304 | }; |
tulanthoar | 14:6bcd2f6a4fee | 305 | |
tulanthoar | 14:6bcd2f6a4fee | 306 | /** Create the MPR121 object |
tulanthoar | 14:6bcd2f6a4fee | 307 | * @param i2c - A defined I2C object |
tulanthoar | 14:6bcd2f6a4fee | 308 | * @param pin - A defined InterruptIn object |
tulanthoar | 14:6bcd2f6a4fee | 309 | * @param i2c_addr - Connection of the address line |
tulanthoar | 14:6bcd2f6a4fee | 310 | */ |
tulanthoar | 14:6bcd2f6a4fee | 311 | MPR121(I2C &i2c, InterruptIn &pin, MPR121_ADDR i2c_addr); |
tulanthoar | 14:6bcd2f6a4fee | 312 | |
tulanthoar | 14:6bcd2f6a4fee | 313 | /** Create the MPR121 object |
tulanthoar | 14:6bcd2f6a4fee | 314 | * @param i2c - A defined I2C object |
tulanthoar | 14:6bcd2f6a4fee | 315 | * @param i2c_addr - Connection of the address line |
tulanthoar | 14:6bcd2f6a4fee | 316 | */ |
tulanthoar | 14:6bcd2f6a4fee | 317 | MPR121(I2C &i2c, MPR121_ADDR i2c_addr); |
tulanthoar | 14:6bcd2f6a4fee | 318 | |
tulanthoar | 17:2d6b050ad8b8 | 319 | >>>>>>> other |
sam_grove | 3:828260f21de6 | 320 | /** Clear state variables and initilize the dependant objects |
sam_grove | 0:42add775212a | 321 | */ |
sam_grove | 0:42add775212a | 322 | void init(void); |
tulanthoar | 17:2d6b050ad8b8 | 323 | <<<<<<< local |
sam_grove | 0:42add775212a | 324 | |
tulanthoar | 17:2d6b050ad8b8 | 325 | ======= |
tulanthoar | 14:6bcd2f6a4fee | 326 | |
tulanthoar | 17:2d6b050ad8b8 | 327 | >>>>>>> other |
sam_grove | 0:42add775212a | 328 | /** Allow the IC to run and collect user input |
sam_grove | 0:42add775212a | 329 | */ |
sam_grove | 0:42add775212a | 330 | void enable(void); |
tulanthoar | 17:2d6b050ad8b8 | 331 | <<<<<<< local |
sam_grove | 0:42add775212a | 332 | |
tulanthoar | 17:2d6b050ad8b8 | 333 | ======= |
tulanthoar | 14:6bcd2f6a4fee | 334 | |
tulanthoar | 17:2d6b050ad8b8 | 335 | >>>>>>> other |
sam_grove | 0:42add775212a | 336 | /** Stop the IC and put into low power mode |
sam_grove | 0:42add775212a | 337 | */ |
sam_grove | 0:42add775212a | 338 | void disable(void); |
tulanthoar | 17:2d6b050ad8b8 | 339 | <<<<<<< local |
sam_grove | 0:42add775212a | 340 | |
tulanthoar | 17:2d6b050ad8b8 | 341 | ======= |
tulanthoar | 14:6bcd2f6a4fee | 342 | |
tulanthoar | 17:2d6b050ad8b8 | 343 | >>>>>>> other |
sam_grove | 0:42add775212a | 344 | /** Determine if a new button press event occured |
sam_grove | 0:42add775212a | 345 | * Upon calling the state is cleared until another press is detected |
sam_grove | 0:42add775212a | 346 | * @return 1 if a press has been detected since the last call, 0 otherwise |
sam_grove | 0:42add775212a | 347 | */ |
sam_grove | 0:42add775212a | 348 | uint32_t isPressed(void); |
tulanthoar | 17:2d6b050ad8b8 | 349 | <<<<<<< local |
sam_grove | 0:42add775212a | 350 | |
tulanthoar | 17:2d6b050ad8b8 | 351 | ======= |
tulanthoar | 14:6bcd2f6a4fee | 352 | |
tulanthoar | 17:2d6b050ad8b8 | 353 | >>>>>>> other |
sam_grove | 0:42add775212a | 354 | /** Get the electrode status (ELE12 ... ELE0 -> b15 xxx b11 ... b0 |
sam_grove | 0:42add775212a | 355 | * The buttons are bit mapped. ELE0 = b0 ... ELE11 = b11 b12 ... b15 undefined |
sam_grove | 0:42add775212a | 356 | * @return The state of all buttons |
sam_grove | 0:42add775212a | 357 | */ |
sam_grove | 0:42add775212a | 358 | uint16_t buttonPressed(void); |
tulanthoar | 17:2d6b050ad8b8 | 359 | <<<<<<< local |
sam_grove | 0:42add775212a | 360 | |
tulanthoar | 17:2d6b050ad8b8 | 361 | ======= |
tulanthoar | 14:6bcd2f6a4fee | 362 | |
tulanthoar | 17:2d6b050ad8b8 | 363 | >>>>>>> other |
sam_grove | 0:42add775212a | 364 | /** print the register map and values to the console |
sam_grove | 3:828260f21de6 | 365 | * @param obj - a Serial object that prints to a console |
sam_grove | 0:42add775212a | 366 | */ |
sam_grove | 3:828260f21de6 | 367 | void registerDump(Serial &obj) const; |
tulanthoar | 17:2d6b050ad8b8 | 368 | <<<<<<< local |
sam_grove | 0:42add775212a | 369 | |
tulanthoar | 17:2d6b050ad8b8 | 370 | ======= |
tulanthoar | 14:6bcd2f6a4fee | 371 | |
tulanthoar | 17:2d6b050ad8b8 | 372 | >>>>>>> other |
sam_grove | 5:3934358ec2b7 | 373 | /** print the register map and values to the console |
sam_grove | 5:3934358ec2b7 | 374 | */ |
sam_grove | 5:3934358ec2b7 | 375 | void registerDump(void) const; |
tulanthoar | 17:2d6b050ad8b8 | 376 | <<<<<<< local |
sam_grove | 5:3934358ec2b7 | 377 | |
tulanthoar | 17:2d6b050ad8b8 | 378 | ======= |
tulanthoar | 14:6bcd2f6a4fee | 379 | |
tulanthoar | 17:2d6b050ad8b8 | 380 | >>>>>>> other |
sam_grove | 0:42add775212a | 381 | /** Write to a register (exposed for debugging reasons) |
sam_grove | 0:42add775212a | 382 | * Note: most writes are only valid in stop mode |
sam_grove | 1:cee45334b36a | 383 | * @param reg - The register to be written |
sam_grove | 1:cee45334b36a | 384 | * @param data - The data to be written |
sam_grove | 0:42add775212a | 385 | */ |
sam_grove | 3:828260f21de6 | 386 | void writeRegister(MPR121_REGISTER const reg, uint8_t const data) const; |
tulanthoar | 17:2d6b050ad8b8 | 387 | <<<<<<< local |
sam_grove | 0:42add775212a | 388 | |
tulanthoar | 17:2d6b050ad8b8 | 389 | ======= |
tulanthoar | 14:6bcd2f6a4fee | 390 | |
tulanthoar | 17:2d6b050ad8b8 | 391 | >>>>>>> other |
sam_grove | 0:42add775212a | 392 | /** Read from a register (exposed for debugging reasons) |
sam_grove | 1:cee45334b36a | 393 | * @param reg - The register to read from |
sam_grove | 0:42add775212a | 394 | * @return The register contents |
sam_grove | 0:42add775212a | 395 | */ |
sam_grove | 3:828260f21de6 | 396 | uint8_t readRegister(MPR121_REGISTER const reg) const; |
tulanthoar | 17:2d6b050ad8b8 | 397 | <<<<<<< local |
sam_grove | 0:42add775212a | 398 | |
tulanthoar | 17:2d6b050ad8b8 | 399 | ======= |
tulanthoar | 14:6bcd2f6a4fee | 400 | |
tulanthoar | 17:2d6b050ad8b8 | 401 | >>>>>>> other |
sam_grove | 0:42add775212a | 402 | }; |
sam_grove | 0:42add775212a | 403 | |
sam_grove | 0:42add775212a | 404 | #endif |
tulanthoar | 17:2d6b050ad8b8 | 405 | <<<<<<< local |
Nathan Yonkee |
11:ad26c0810f02 | 406 | ======= |
tulanthoar | 18:8c7054b112f0 | 407 | >>>>>>> other |
tulanthoar | 18:8c7054b112f0 | 408 | /** |
tulanthoar | 18:8c7054b112f0 | 409 | * @file MPR121.h |
tulanthoar | 18:8c7054b112f0 | 410 | * @brief Device driver - MPR121 capactiive touch IC |
tulanthoar | 18:8c7054b112f0 | 411 | * @author sam grove |
tulanthoar | 18:8c7054b112f0 | 412 | * @version 1.0 |
tulanthoar | 18:8c7054b112f0 | 413 | * @see http://cache.freescale.com/files/sensors/doc/data_sheet/MPR121.pdf |
tulanthoar | 18:8c7054b112f0 | 414 | * |
tulanthoar | 18:8c7054b112f0 | 415 | * Copyright (c) 2013 |
tulanthoar | 18:8c7054b112f0 | 416 | * |
tulanthoar | 18:8c7054b112f0 | 417 | * Licensed under the Apache License, Version 2.0 (the "License"); |
tulanthoar | 18:8c7054b112f0 | 418 | * you may not use this file except in compliance with the License. |
tulanthoar | 18:8c7054b112f0 | 419 | * You may obtain a copy of the License at |
tulanthoar | 18:8c7054b112f0 | 420 | * |
tulanthoar | 18:8c7054b112f0 | 421 | * http://www.apache.org/licenses/LICENSE-2.0 |
tulanthoar | 18:8c7054b112f0 | 422 | * |
tulanthoar | 18:8c7054b112f0 | 423 | * Unless required by applicable law or agreed to in writing, software |
tulanthoar | 18:8c7054b112f0 | 424 | * distributed under the License is distributed on an "AS IS" BASIS, |
tulanthoar | 18:8c7054b112f0 | 425 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
tulanthoar | 18:8c7054b112f0 | 426 | * See the License for the specific language governing permissions and |
tulanthoar | 18:8c7054b112f0 | 427 | * limitations under the License. |
tulanthoar | 18:8c7054b112f0 | 428 | */ |
tulanthoar | 18:8c7054b112f0 | 429 | |
tulanthoar | 18:8c7054b112f0 | 430 | #ifndef MPR121_H |
tulanthoar | 18:8c7054b112f0 | 431 | #define MPR121_H |
tulanthoar | 18:8c7054b112f0 | 432 | |
tulanthoar | 18:8c7054b112f0 | 433 | #include "mbed.h" |
tulanthoar | 18:8c7054b112f0 | 434 | #include "rtos.h" |
tulanthoar | 18:8c7054b112f0 | 435 | |
tulanthoar | 18:8c7054b112f0 | 436 | /** Using the Sparkfun SEN-10250 BoB |
tulanthoar | 18:8c7054b112f0 | 437 | * |
tulanthoar | 18:8c7054b112f0 | 438 | * Example: |
tulanthoar | 18:8c7054b112f0 | 439 | * @code |
tulanthoar | 18:8c7054b112f0 | 440 | * #include "mbed.h" |
tulanthoar | 18:8c7054b112f0 | 441 | * #include "MPR121.h" |
tulanthoar | 18:8c7054b112f0 | 442 | * |
tulanthoar | 18:8c7054b112f0 | 443 | * Serial pc(USBTX, USBRX); |
tulanthoar | 18:8c7054b112f0 | 444 | * DigitalOut myled(LED1); |
tulanthoar | 18:8c7054b112f0 | 445 | * |
tulanthoar | 18:8c7054b112f0 | 446 | * #if defined TARGET_LPC1768 || TARGET_LPC11U24 |
tulanthoar | 18:8c7054b112f0 | 447 | * I2C i2c(p28, p27); |
tulanthoar | 18:8c7054b112f0 | 448 | * InterruptIn irq(p26); |
tulanthoar | 18:8c7054b112f0 | 449 | * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS); |
tulanthoar | 18:8c7054b112f0 | 450 | * |
tulanthoar | 18:8c7054b112f0 | 451 | * #elif defined TARGET_KL25Z |
tulanthoar | 18:8c7054b112f0 | 452 | * I2C i2c(PTC9, PTC8); |
tulanthoar | 18:8c7054b112f0 | 453 | * InterruptIn irq(PTA5); |
tulanthoar | 18:8c7054b112f0 | 454 | * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS); |
tulanthoar | 18:8c7054b112f0 | 455 | * |
tulanthoar | 18:8c7054b112f0 | 456 | * #else |
tulanthoar | 18:8c7054b112f0 | 457 | * #error TARGET NOT TESTED |
tulanthoar | 18:8c7054b112f0 | 458 | * #endif |
tulanthoar | 18:8c7054b112f0 | 459 | * |
tulanthoar | 18:8c7054b112f0 | 460 | * int main() |
tulanthoar | 18:8c7054b112f0 | 461 | * { |
tulanthoar | 18:8c7054b112f0 | 462 | * touch_pad.init(); |
tulanthoar | 18:8c7054b112f0 | 463 | * touch_pad.enable(); |
tulanthoar | 18:8c7054b112f0 | 464 | * |
tulanthoar | 18:8c7054b112f0 | 465 | * while(1) |
tulanthoar | 18:8c7054b112f0 | 466 | * { |
tulanthoar | 18:8c7054b112f0 | 467 | * if(touch_pad.isPressed()) |
tulanthoar | 18:8c7054b112f0 | 468 | * { |
tulanthoar | 18:8c7054b112f0 | 469 | * uint16_t button_val = touch_pad.buttonPressed(); |
tulanthoar | 18:8c7054b112f0 | 470 | * printf("button = 0x%04x\n", button_val); |
tulanthoar | 18:8c7054b112f0 | 471 | * myled = (button_val>0) ? 1 : 0; |
tulanthoar | 18:8c7054b112f0 | 472 | * } |
tulanthoar | 18:8c7054b112f0 | 473 | * } |
tulanthoar | 18:8c7054b112f0 | 474 | * } |
tulanthoar | 18:8c7054b112f0 | 475 | * @endcode |
tulanthoar | 18:8c7054b112f0 | 476 | */ |
tulanthoar | 18:8c7054b112f0 | 477 | |
tulanthoar | 18:8c7054b112f0 | 478 | /** |
tulanthoar | 18:8c7054b112f0 | 479 | * @class MPR121 |
tulanthoar | 18:8c7054b112f0 | 480 | * @brief API for the MPR121 capacitive touch IC |
tulanthoar | 18:8c7054b112f0 | 481 | */ |
tulanthoar | 18:8c7054b112f0 | 482 | class MPR121 |
tulanthoar | 18:8c7054b112f0 | 483 | { |
tulanthoar | 18:8c7054b112f0 | 484 | private: |
tulanthoar | 18:8c7054b112f0 | 485 | |
tulanthoar | 18:8c7054b112f0 | 486 | I2C *_i2c; |
tulanthoar | 18:8c7054b112f0 | 487 | InterruptIn *_irq; |
tulanthoar | 18:8c7054b112f0 | 488 | uint8_t _i2c_addr; |
tulanthoar | 18:8c7054b112f0 | 489 | volatile uint16_t _button; |
tulanthoar | 18:8c7054b112f0 | 490 | volatile uint32_t _button_has_changed; |
tulanthoar | 18:8c7054b112f0 | 491 | |
tulanthoar | 18:8c7054b112f0 | 492 | /** The interrupt handler for the IRQ pin |
tulanthoar | 18:8c7054b112f0 | 493 | */ |
tulanthoar | 18:8c7054b112f0 | 494 | void handler(void); |
tulanthoar | 18:8c7054b112f0 | 495 | |
tulanthoar | 18:8c7054b112f0 | 496 | public: |
tulanthoar | 18:8c7054b112f0 | 497 | |
tulanthoar | 18:8c7054b112f0 | 498 | /** |
tulanthoar | 18:8c7054b112f0 | 499 | * @enum MPR121_ADDR |
tulanthoar | 18:8c7054b112f0 | 500 | * @brief Possible terminations for the ADDR pin |
tulanthoar | 18:8c7054b112f0 | 501 | */ |
tulanthoar | 18:8c7054b112f0 | 502 | enum MPR121_ADDR |
tulanthoar | 18:8c7054b112f0 | 503 | { |
tulanthoar | 18:8c7054b112f0 | 504 | ADDR_VSS = 0x5A, /*!< ADDR connected to VSS */ |
tulanthoar | 18:8c7054b112f0 | 505 | ADDR_VDD, /*!< ADDR connected to VDD */ |
tulanthoar | 18:8c7054b112f0 | 506 | ADDR_SCL, /*!< ADDR connected to SDA */ |
tulanthoar | 18:8c7054b112f0 | 507 | ADDR_SDA /*!< ADDR connected to SCL */ |
tulanthoar | 18:8c7054b112f0 | 508 | }; |
tulanthoar | 18:8c7054b112f0 | 509 | |
tulanthoar | 18:8c7054b112f0 | 510 | /** |
tulanthoar | 18:8c7054b112f0 | 511 | * @enum MPR121_REGISTER |
tulanthoar | 18:8c7054b112f0 | 512 | * @brief The device register map |
tulanthoar | 18:8c7054b112f0 | 513 | */ |
tulanthoar | 18:8c7054b112f0 | 514 | enum MPR121_REGISTER |
tulanthoar | 18:8c7054b112f0 | 515 | { |
tulanthoar | 18:8c7054b112f0 | 516 | ELE0_7_STAT = 0x00, |
tulanthoar | 18:8c7054b112f0 | 517 | ELE8_11_STAT, ELE0_7_OOR_STAT, ELE8_11_OOR_STAT, EFD0LB, EFD0HB, |
tulanthoar | 18:8c7054b112f0 | 518 | EFD1LB, EFD1HB, EFD2LB, EFD2HB, EFD3LB, EFD3HB, EFD4LB, EFD4HB, EFD5LB, EFD5HB, |
tulanthoar | 18:8c7054b112f0 | 519 | |
tulanthoar | 18:8c7054b112f0 | 520 | EFD6LB = 0x10, |
tulanthoar | 18:8c7054b112f0 | 521 | EFD6HB, EFD7LB, EFD7HB, EFD8LB, EFD8HB, EFD9LB, EFD9HB, EFD10LB, |
tulanthoar | 18:8c7054b112f0 | 522 | EFD10HB, EFD11LB, EFD11HB, EFDPROXLB, EFDPROXHB, E0BV, E1BV, |
tulanthoar | 18:8c7054b112f0 | 523 | |
tulanthoar | 18:8c7054b112f0 | 524 | E2BV = 0x20, |
tulanthoar | 18:8c7054b112f0 | 525 | E3BV, E4BV, E5BV, E6BV, E7BV, E8BV, E9BV, E10BV, E11BV, EPROXBV, |
tulanthoar | 18:8c7054b112f0 | 526 | MHDR, NHDR, NCLR, FDLR, MHDF, |
tulanthoar | 18:8c7054b112f0 | 527 | |
tulanthoar | 18:8c7054b112f0 | 528 | NHDF = 0x30, |
tulanthoar | 18:8c7054b112f0 | 529 | NCLF, FDLF, NHDT, NCLT, FDLT, MHDPROXR, NHDPROXR, NCLPROXR, |
tulanthoar | 18:8c7054b112f0 | 530 | FDLPROXR, MHDPROXF, NHDPROXF, NCLPROXF, FDLPROXF, NHDPROXT, NCLPROXT, |
tulanthoar | 18:8c7054b112f0 | 531 | |
tulanthoar | 18:8c7054b112f0 | 532 | FDLPROXT = 0x40, |
tulanthoar | 18:8c7054b112f0 | 533 | E0TTH, E0RTH, E1TTH, E1RTH, E2TTH, E2RTH, E3TTH, E3RTH, |
tulanthoar | 18:8c7054b112f0 | 534 | E4TTH, E4RTH, E5TTH, E5RTH, E6TTH, E6RTH, E7TTH, |
tulanthoar | 18:8c7054b112f0 | 535 | |
tulanthoar | 18:8c7054b112f0 | 536 | E7RTH = 0x50, |
tulanthoar | 18:8c7054b112f0 | 537 | E8TTH, E8RTH, E9TTH, E9RTH, E10TTH, E10RTH, E11TTH, E11RTH, |
tulanthoar | 18:8c7054b112f0 | 538 | EPROXTTH, EPROXRTH, DT_DR, CDC_CONFIG, CDT_CONFIG, ECR, CDC0, |
tulanthoar | 18:8c7054b112f0 | 539 | |
tulanthoar | 18:8c7054b112f0 | 540 | CDC1 = 0x60, |
tulanthoar | 18:8c7054b112f0 | 541 | CDC2, CDC3, CDC4, CDC5, CDC6, CDC7, CDC8, CDC9, CDC10, CDC11, CDCPROX, CDT0_CDT1, |
tulanthoar | 18:8c7054b112f0 | 542 | CDT2_CDT3, CDT4_CDT5, CDT6_CDT7, |
tulanthoar | 18:8c7054b112f0 | 543 | |
tulanthoar | 18:8c7054b112f0 | 544 | CDT8_CDT9 = 0x70, |
tulanthoar | 18:8c7054b112f0 | 545 | CDT10_CDT11, CDTPROX, GPIO_CTRL0, GPIO_CTRL1, GPIO_DATA, GPIO_DIR, GPIO_EN, GPIO_SET, |
tulanthoar | 18:8c7054b112f0 | 546 | GPIO_CLR, GPIO_TOGGLE, AUTO_CFG0, AUTO_CFG1, USL, LSL, TL, |
tulanthoar | 18:8c7054b112f0 | 547 | |
tulanthoar | 18:8c7054b112f0 | 548 | SRST = 0x80 |
tulanthoar | 18:8c7054b112f0 | 549 | }; |
tulanthoar | 18:8c7054b112f0 | 550 | |
tulanthoar | 18:8c7054b112f0 | 551 | /** Create the MPR121 object |
tulanthoar | 18:8c7054b112f0 | 552 | * @param i2c - A defined I2C object |
tulanthoar | 18:8c7054b112f0 | 553 | * @param pin - A defined InterruptIn object |
tulanthoar | 18:8c7054b112f0 | 554 | * @param i2c_addr - Connection of the address line |
tulanthoar | 18:8c7054b112f0 | 555 | */ |
tulanthoar | 18:8c7054b112f0 | 556 | MPR121(I2C &i2c, InterruptIn &pin, MPR121_ADDR i2c_addr); |
tulanthoar | 18:8c7054b112f0 | 557 | |
tulanthoar | 18:8c7054b112f0 | 558 | /** Create the MPR121 object |
tulanthoar | 18:8c7054b112f0 | 559 | * @param i2c - A defined I2C object |
tulanthoar | 18:8c7054b112f0 | 560 | * @param i2c_addr - Connection of the address line |
tulanthoar | 18:8c7054b112f0 | 561 | */ |
tulanthoar | 18:8c7054b112f0 | 562 | MPR121(I2C &i2c, MPR121_ADDR i2c_addr); |
tulanthoar | 18:8c7054b112f0 | 563 | |
tulanthoar | 18:8c7054b112f0 | 564 | /** Clear state variables and initilize the dependant objects |
tulanthoar | 18:8c7054b112f0 | 565 | */ |
tulanthoar | 18:8c7054b112f0 | 566 | void init(void); |
tulanthoar | 18:8c7054b112f0 | 567 | |
tulanthoar | 18:8c7054b112f0 | 568 | /** Allow the IC to run and collect user input |
tulanthoar | 18:8c7054b112f0 | 569 | */ |
tulanthoar | 18:8c7054b112f0 | 570 | void enable(void); |
tulanthoar | 18:8c7054b112f0 | 571 | |
tulanthoar | 18:8c7054b112f0 | 572 | /** Stop the IC and put into low power mode |
tulanthoar | 18:8c7054b112f0 | 573 | */ |
tulanthoar | 18:8c7054b112f0 | 574 | void disable(void); |
tulanthoar | 18:8c7054b112f0 | 575 | |
tulanthoar | 18:8c7054b112f0 | 576 | /** Determine if a new button press event occured |
tulanthoar | 18:8c7054b112f0 | 577 | * Upon calling the state is cleared until another press is detected |
tulanthoar | 18:8c7054b112f0 | 578 | * @return 1 if a press has been detected since the last call, 0 otherwise |
tulanthoar | 18:8c7054b112f0 | 579 | */ |
tulanthoar | 18:8c7054b112f0 | 580 | uint32_t isPressed(void); |
tulanthoar | 18:8c7054b112f0 | 581 | |
tulanthoar | 18:8c7054b112f0 | 582 | /** Get the electrode status (ELE12 ... ELE0 -> b15 xxx b11 ... b0 |
tulanthoar | 18:8c7054b112f0 | 583 | * The buttons are bit mapped. ELE0 = b0 ... ELE11 = b11 b12 ... b15 undefined |
tulanthoar | 18:8c7054b112f0 | 584 | * @return The state of all buttons |
tulanthoar | 18:8c7054b112f0 | 585 | */ |
tulanthoar | 18:8c7054b112f0 | 586 | uint16_t buttonPressed(void); |
tulanthoar | 18:8c7054b112f0 | 587 | |
tulanthoar | 18:8c7054b112f0 | 588 | /** print the register map and values to the console |
tulanthoar | 18:8c7054b112f0 | 589 | * @param obj - a Serial object that prints to a console |
tulanthoar | 18:8c7054b112f0 | 590 | */ |
tulanthoar | 18:8c7054b112f0 | 591 | void registerDump(Serial &obj) const; |
tulanthoar | 18:8c7054b112f0 | 592 | |
tulanthoar | 18:8c7054b112f0 | 593 | /** print the register map and values to the console |
tulanthoar | 18:8c7054b112f0 | 594 | */ |
tulanthoar | 18:8c7054b112f0 | 595 | void registerDump(void) const; |
tulanthoar | 18:8c7054b112f0 | 596 | |
tulanthoar | 18:8c7054b112f0 | 597 | /** Write to a register (exposed for debugging reasons) |
tulanthoar | 18:8c7054b112f0 | 598 | * Note: most writes are only valid in stop mode |
tulanthoar | 18:8c7054b112f0 | 599 | * @param reg - The register to be written |
tulanthoar | 18:8c7054b112f0 | 600 | * @param data - The data to be written |
tulanthoar | 18:8c7054b112f0 | 601 | */ |
tulanthoar | 18:8c7054b112f0 | 602 | void writeRegister(MPR121_REGISTER const reg, uint8_t const data) const; |
tulanthoar | 18:8c7054b112f0 | 603 | |
tulanthoar | 18:8c7054b112f0 | 604 | /** Read from a register (exposed for debugging reasons) |
tulanthoar | 18:8c7054b112f0 | 605 | * @param reg - The register to read from |
tulanthoar | 18:8c7054b112f0 | 606 | * @return The register contents |
tulanthoar | 18:8c7054b112f0 | 607 | */ |
tulanthoar | 18:8c7054b112f0 | 608 | uint8_t readRegister(MPR121_REGISTER const reg) const; |
tulanthoar | 18:8c7054b112f0 | 609 | |
tulanthoar | 18:8c7054b112f0 | 610 | }; |
tulanthoar | 18:8c7054b112f0 | 611 | |
tulanthoar | 18:8c7054b112f0 | 612 | #endif |
Nathan Yonkee |
11:ad26c0810f02 | 613 | >>>>>>> merge rev |
tulanthoar | 18:8c7054b112f0 | 614 | <<<<<<< local |
tulanthoar | 18:8c7054b112f0 | 615 | ======= |
tulanthoar | 14:6bcd2f6a4fee | 616 | <<<<<<< local |
sam_grove | 0:42add775212a | 617 | /** |
sam_grove | 0:42add775212a | 618 | * @file MPR121.h |
sam_grove | 0:42add775212a | 619 | * @brief Device driver - MPR121 capactiive touch IC |
sam_grove | 0:42add775212a | 620 | * @author sam grove |
sam_grove | 0:42add775212a | 621 | * @version 1.0 |
sam_grove | 0:42add775212a | 622 | * @see http://cache.freescale.com/files/sensors/doc/data_sheet/MPR121.pdf |
sam_grove | 0:42add775212a | 623 | * |
sam_grove | 0:42add775212a | 624 | * Copyright (c) 2013 |
sam_grove | 0:42add775212a | 625 | * |
sam_grove | 0:42add775212a | 626 | * Licensed under the Apache License, Version 2.0 (the "License"); |
sam_grove | 0:42add775212a | 627 | * you may not use this file except in compliance with the License. |
sam_grove | 0:42add775212a | 628 | * You may obtain a copy of the License at |
sam_grove | 0:42add775212a | 629 | * |
sam_grove | 0:42add775212a | 630 | * http://www.apache.org/licenses/LICENSE-2.0 |
sam_grove | 0:42add775212a | 631 | * |
sam_grove | 0:42add775212a | 632 | * Unless required by applicable law or agreed to in writing, software |
sam_grove | 0:42add775212a | 633 | * distributed under the License is distributed on an "AS IS" BASIS, |
sam_grove | 0:42add775212a | 634 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
sam_grove | 0:42add775212a | 635 | * See the License for the specific language governing permissions and |
sam_grove | 0:42add775212a | 636 | * limitations under the License. |
sam_grove | 0:42add775212a | 637 | */ |
sam_grove | 0:42add775212a | 638 | |
sam_grove | 0:42add775212a | 639 | #ifndef MPR121_H |
sam_grove | 0:42add775212a | 640 | #define MPR121_H |
sam_grove | 0:42add775212a | 641 | |
sam_grove | 0:42add775212a | 642 | #include "mbed.h" |
tulanthoar | 13:185ada085785 | 643 | //#include "rtos.h" |
sam_grove | 0:42add775212a | 644 | |
sam_grove | 3:828260f21de6 | 645 | /** Using the Sparkfun SEN-10250 BoB |
sam_grove | 0:42add775212a | 646 | * |
sam_grove | 0:42add775212a | 647 | * Example: |
sam_grove | 0:42add775212a | 648 | * @code |
sam_grove | 3:828260f21de6 | 649 | * #include "mbed.h" |
sam_grove | 3:828260f21de6 | 650 | * #include "MPR121.h" |
sam_grove | 3:828260f21de6 | 651 | * |
sam_grove | 3:828260f21de6 | 652 | * Serial pc(USBTX, USBRX); |
sam_grove | 3:828260f21de6 | 653 | * DigitalOut myled(LED1); |
sam_grove | 3:828260f21de6 | 654 | * |
sam_grove | 3:828260f21de6 | 655 | * #if defined TARGET_LPC1768 || TARGET_LPC11U24 |
sam_grove | 3:828260f21de6 | 656 | * I2C i2c(p28, p27); |
sam_grove | 3:828260f21de6 | 657 | * InterruptIn irq(p26); |
sam_grove | 3:828260f21de6 | 658 | * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS); |
sam_grove | 3:828260f21de6 | 659 | * |
sam_grove | 3:828260f21de6 | 660 | * #elif defined TARGET_KL25Z |
sam_grove | 3:828260f21de6 | 661 | * I2C i2c(PTC9, PTC8); |
sam_grove | 3:828260f21de6 | 662 | * InterruptIn irq(PTA5); |
sam_grove | 3:828260f21de6 | 663 | * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS); |
sam_grove | 3:828260f21de6 | 664 | * |
sam_grove | 3:828260f21de6 | 665 | * #else |
sam_grove | 3:828260f21de6 | 666 | * #error TARGET NOT TESTED |
sam_grove | 3:828260f21de6 | 667 | * #endif |
sam_grove | 3:828260f21de6 | 668 | * |
sam_grove | 3:828260f21de6 | 669 | * int main() |
sam_grove | 3:828260f21de6 | 670 | * { |
sam_grove | 3:828260f21de6 | 671 | * touch_pad.init(); |
sam_grove | 3:828260f21de6 | 672 | * touch_pad.enable(); |
sam_grove | 3:828260f21de6 | 673 | * |
sam_grove | 3:828260f21de6 | 674 | * while(1) |
sam_grove | 3:828260f21de6 | 675 | * { |
sam_grove | 3:828260f21de6 | 676 | * if(touch_pad.isPressed()) |
sam_grove | 3:828260f21de6 | 677 | * { |
sam_grove | 3:828260f21de6 | 678 | * uint16_t button_val = touch_pad.buttonPressed(); |
sam_grove | 3:828260f21de6 | 679 | * printf("button = 0x%04x\n", button_val); |
sam_grove | 3:828260f21de6 | 680 | * myled = (button_val>0) ? 1 : 0; |
sam_grove | 3:828260f21de6 | 681 | * } |
sam_grove | 3:828260f21de6 | 682 | * } |
sam_grove | 3:828260f21de6 | 683 | * } |
sam_grove | 0:42add775212a | 684 | * @endcode |
sam_grove | 0:42add775212a | 685 | */ |
sam_grove | 0:42add775212a | 686 | |
sam_grove | 0:42add775212a | 687 | /** |
sam_grove | 0:42add775212a | 688 | * @class MPR121 |
sam_grove | 3:828260f21de6 | 689 | * @brief API for the MPR121 capacitive touch IC |
sam_grove | 0:42add775212a | 690 | */ |
sam_grove | 0:42add775212a | 691 | class MPR121 |
sam_grove | 0:42add775212a | 692 | { |
sam_grove | 0:42add775212a | 693 | private: |
sam_grove | 0:42add775212a | 694 | |
sam_grove | 0:42add775212a | 695 | I2C *_i2c; |
sam_grove | 0:42add775212a | 696 | InterruptIn *_irq; |
sam_grove | 0:42add775212a | 697 | uint8_t _i2c_addr; |
sam_grove | 0:42add775212a | 698 | volatile uint16_t _button; |
sam_grove | 0:42add775212a | 699 | volatile uint32_t _button_has_changed; |
sam_grove | 0:42add775212a | 700 | |
sam_grove | 0:42add775212a | 701 | /** The interrupt handler for the IRQ pin |
sam_grove | 0:42add775212a | 702 | */ |
sam_grove | 0:42add775212a | 703 | void handler(void); |
sam_grove | 0:42add775212a | 704 | |
sam_grove | 0:42add775212a | 705 | public: |
sam_grove | 0:42add775212a | 706 | |
sam_grove | 0:42add775212a | 707 | /** |
sam_grove | 0:42add775212a | 708 | * @enum MPR121_ADDR |
sam_grove | 0:42add775212a | 709 | * @brief Possible terminations for the ADDR pin |
sam_grove | 0:42add775212a | 710 | */ |
sam_grove | 0:42add775212a | 711 | enum MPR121_ADDR |
sam_grove | 0:42add775212a | 712 | { |
sam_grove | 0:42add775212a | 713 | ADDR_VSS = 0x5A, /*!< ADDR connected to VSS */ |
sam_grove | 0:42add775212a | 714 | ADDR_VDD, /*!< ADDR connected to VDD */ |
sam_grove | 0:42add775212a | 715 | ADDR_SCL, /*!< ADDR connected to SDA */ |
sam_grove | 0:42add775212a | 716 | ADDR_SDA /*!< ADDR connected to SCL */ |
sam_grove | 0:42add775212a | 717 | }; |
sam_grove | 0:42add775212a | 718 | |
sam_grove | 0:42add775212a | 719 | /** |
sam_grove | 0:42add775212a | 720 | * @enum MPR121_REGISTER |
sam_grove | 0:42add775212a | 721 | * @brief The device register map |
sam_grove | 0:42add775212a | 722 | */ |
sam_grove | 0:42add775212a | 723 | enum MPR121_REGISTER |
sam_grove | 0:42add775212a | 724 | { |
sam_grove | 0:42add775212a | 725 | ELE0_7_STAT = 0x00, |
sam_grove | 0:42add775212a | 726 | ELE8_11_STAT, ELE0_7_OOR_STAT, ELE8_11_OOR_STAT, EFD0LB, EFD0HB, |
sam_grove | 0:42add775212a | 727 | EFD1LB, EFD1HB, EFD2LB, EFD2HB, EFD3LB, EFD3HB, EFD4LB, EFD4HB, EFD5LB, EFD5HB, |
sam_grove | 0:42add775212a | 728 | |
sam_grove | 0:42add775212a | 729 | EFD6LB = 0x10, |
sam_grove | 0:42add775212a | 730 | EFD6HB, EFD7LB, EFD7HB, EFD8LB, EFD8HB, EFD9LB, EFD9HB, EFD10LB, |
sam_grove | 0:42add775212a | 731 | EFD10HB, EFD11LB, EFD11HB, EFDPROXLB, EFDPROXHB, E0BV, E1BV, |
sam_grove | 0:42add775212a | 732 | |
sam_grove | 0:42add775212a | 733 | E2BV = 0x20, |
sam_grove | 0:42add775212a | 734 | E3BV, E4BV, E5BV, E6BV, E7BV, E8BV, E9BV, E10BV, E11BV, EPROXBV, |
sam_grove | 0:42add775212a | 735 | MHDR, NHDR, NCLR, FDLR, MHDF, |
sam_grove | 0:42add775212a | 736 | |
sam_grove | 0:42add775212a | 737 | NHDF = 0x30, |
sam_grove | 0:42add775212a | 738 | NCLF, FDLF, NHDT, NCLT, FDLT, MHDPROXR, NHDPROXR, NCLPROXR, |
sam_grove | 0:42add775212a | 739 | FDLPROXR, MHDPROXF, NHDPROXF, NCLPROXF, FDLPROXF, NHDPROXT, NCLPROXT, |
sam_grove | 0:42add775212a | 740 | |
sam_grove | 0:42add775212a | 741 | FDLPROXT = 0x40, |
sam_grove | 0:42add775212a | 742 | E0TTH, E0RTH, E1TTH, E1RTH, E2TTH, E2RTH, E3TTH, E3RTH, |
sam_grove | 0:42add775212a | 743 | E4TTH, E4RTH, E5TTH, E5RTH, E6TTH, E6RTH, E7TTH, |
sam_grove | 0:42add775212a | 744 | |
sam_grove | 0:42add775212a | 745 | E7RTH = 0x50, |
sam_grove | 0:42add775212a | 746 | E8TTH, E8RTH, E9TTH, E9RTH, E10TTH, E10RTH, E11TTH, E11RTH, |
sam_grove | 0:42add775212a | 747 | EPROXTTH, EPROXRTH, DT_DR, CDC_CONFIG, CDT_CONFIG, ECR, CDC0, |
sam_grove | 0:42add775212a | 748 | |
sam_grove | 0:42add775212a | 749 | CDC1 = 0x60, |
sam_grove | 0:42add775212a | 750 | CDC2, CDC3, CDC4, CDC5, CDC6, CDC7, CDC8, CDC9, CDC10, CDC11, CDCPROX, CDT0_CDT1, |
sam_grove | 0:42add775212a | 751 | CDT2_CDT3, CDT4_CDT5, CDT6_CDT7, |
sam_grove | 0:42add775212a | 752 | |
sam_grove | 0:42add775212a | 753 | CDT8_CDT9 = 0x70, |
sam_grove | 0:42add775212a | 754 | CDT10_CDT11, CDTPROX, GPIO_CTRL0, GPIO_CTRL1, GPIO_DATA, GPIO_DIR, GPIO_EN, GPIO_SET, |
sam_grove | 0:42add775212a | 755 | GPIO_CLR, GPIO_TOGGLE, AUTO_CFG0, AUTO_CFG1, USL, LSL, TL, |
sam_grove | 0:42add775212a | 756 | |
sam_grove | 0:42add775212a | 757 | SRST = 0x80 |
sam_grove | 0:42add775212a | 758 | }; |
sam_grove | 0:42add775212a | 759 | |
sam_grove | 0:42add775212a | 760 | /** Create the MPR121 object |
sam_grove | 1:cee45334b36a | 761 | * @param i2c - A defined I2C object |
sam_grove | 1:cee45334b36a | 762 | * @param pin - A defined InterruptIn object |
sam_grove | 1:cee45334b36a | 763 | * @param i2c_addr - Connection of the address line |
sam_grove | 0:42add775212a | 764 | */ |
sam_grove | 0:42add775212a | 765 | MPR121(I2C &i2c, InterruptIn &pin, MPR121_ADDR i2c_addr); |
sam_grove | 0:42add775212a | 766 | |
sam_grove | 5:3934358ec2b7 | 767 | /** Create the MPR121 object |
sam_grove | 5:3934358ec2b7 | 768 | * @param i2c - A defined I2C object |
sam_grove | 5:3934358ec2b7 | 769 | * @param i2c_addr - Connection of the address line |
sam_grove | 5:3934358ec2b7 | 770 | */ |
sam_grove | 5:3934358ec2b7 | 771 | MPR121(I2C &i2c, MPR121_ADDR i2c_addr); |
tulanthoar | 14:6bcd2f6a4fee | 772 | /** |
tulanthoar | 14:6bcd2f6a4fee | 773 | * @file MPR121.h |
tulanthoar | 14:6bcd2f6a4fee | 774 | * @brief Device driver - MPR121 capactiive touch IC |
tulanthoar | 14:6bcd2f6a4fee | 775 | * @author sam grove |
tulanthoar | 14:6bcd2f6a4fee | 776 | * @version 1.0 |
tulanthoar | 14:6bcd2f6a4fee | 777 | * @see http://cache.freescale.com/files/sensors/doc/data_sheet/MPR121.pdf |
tulanthoar | 14:6bcd2f6a4fee | 778 | * |
tulanthoar | 14:6bcd2f6a4fee | 779 | * Copyright (c) 2013 |
tulanthoar | 14:6bcd2f6a4fee | 780 | * |
tulanthoar | 14:6bcd2f6a4fee | 781 | * Licensed under the Apache License, Version 2.0 (the "License"); |
tulanthoar | 14:6bcd2f6a4fee | 782 | * you may not use this file except in compliance with the License. |
tulanthoar | 14:6bcd2f6a4fee | 783 | * You may obtain a copy of the License at |
tulanthoar | 14:6bcd2f6a4fee | 784 | * |
tulanthoar | 14:6bcd2f6a4fee | 785 | * http://www.apache.org/licenses/LICENSE-2.0 |
tulanthoar | 14:6bcd2f6a4fee | 786 | * |
tulanthoar | 14:6bcd2f6a4fee | 787 | * Unless required by applicable law or agreed to in writing, software |
tulanthoar | 14:6bcd2f6a4fee | 788 | * distributed under the License is distributed on an "AS IS" BASIS, |
tulanthoar | 14:6bcd2f6a4fee | 789 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
tulanthoar | 14:6bcd2f6a4fee | 790 | * See the License for the specific language governing permissions and |
tulanthoar | 14:6bcd2f6a4fee | 791 | * limitations under the License. |
tulanthoar | 14:6bcd2f6a4fee | 792 | */ |
tulanthoar | 14:6bcd2f6a4fee | 793 | |
tulanthoar | 14:6bcd2f6a4fee | 794 | #ifndef MPR121_H |
tulanthoar | 14:6bcd2f6a4fee | 795 | #define MPR121_H |
tulanthoar | 14:6bcd2f6a4fee | 796 | |
tulanthoar | 14:6bcd2f6a4fee | 797 | #include "mbed.h" |
tulanthoar | 14:6bcd2f6a4fee | 798 | #include "rtos.h" |
tulanthoar | 14:6bcd2f6a4fee | 799 | |
tulanthoar | 14:6bcd2f6a4fee | 800 | /** Using the Sparkfun SEN-10250 BoB |
tulanthoar | 14:6bcd2f6a4fee | 801 | * |
tulanthoar | 14:6bcd2f6a4fee | 802 | * Example: |
tulanthoar | 14:6bcd2f6a4fee | 803 | * @code |
tulanthoar | 14:6bcd2f6a4fee | 804 | * #include "mbed.h" |
tulanthoar | 14:6bcd2f6a4fee | 805 | * #include "MPR121.h" |
tulanthoar | 14:6bcd2f6a4fee | 806 | * |
tulanthoar | 14:6bcd2f6a4fee | 807 | * Serial pc(USBTX, USBRX); |
tulanthoar | 14:6bcd2f6a4fee | 808 | * DigitalOut myled(LED1); |
tulanthoar | 14:6bcd2f6a4fee | 809 | * |
tulanthoar | 14:6bcd2f6a4fee | 810 | * #if defined TARGET_LPC1768 || TARGET_LPC11U24 |
tulanthoar | 14:6bcd2f6a4fee | 811 | * I2C i2c(p28, p27); |
tulanthoar | 14:6bcd2f6a4fee | 812 | * InterruptIn irq(p26); |
tulanthoar | 14:6bcd2f6a4fee | 813 | * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS); |
tulanthoar | 14:6bcd2f6a4fee | 814 | * |
tulanthoar | 14:6bcd2f6a4fee | 815 | * #elif defined TARGET_KL25Z |
tulanthoar | 14:6bcd2f6a4fee | 816 | * I2C i2c(PTC9, PTC8); |
tulanthoar | 14:6bcd2f6a4fee | 817 | * InterruptIn irq(PTA5); |
tulanthoar | 14:6bcd2f6a4fee | 818 | * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS); |
tulanthoar | 14:6bcd2f6a4fee | 819 | * |
tulanthoar | 14:6bcd2f6a4fee | 820 | * #else |
tulanthoar | 14:6bcd2f6a4fee | 821 | * #error TARGET NOT TESTED |
tulanthoar | 14:6bcd2f6a4fee | 822 | * #endif |
tulanthoar | 14:6bcd2f6a4fee | 823 | * |
tulanthoar | 14:6bcd2f6a4fee | 824 | * int main() |
tulanthoar | 14:6bcd2f6a4fee | 825 | * { |
tulanthoar | 14:6bcd2f6a4fee | 826 | * touch_pad.init(); |
tulanthoar | 14:6bcd2f6a4fee | 827 | * touch_pad.enable(); |
tulanthoar | 14:6bcd2f6a4fee | 828 | * |
tulanthoar | 14:6bcd2f6a4fee | 829 | * while(1) |
tulanthoar | 14:6bcd2f6a4fee | 830 | * { |
tulanthoar | 14:6bcd2f6a4fee | 831 | * if(touch_pad.isPressed()) |
tulanthoar | 14:6bcd2f6a4fee | 832 | * { |
tulanthoar | 14:6bcd2f6a4fee | 833 | * uint16_t button_val = touch_pad.buttonPressed(); |
tulanthoar | 14:6bcd2f6a4fee | 834 | * printf("button = 0x%04x\n", button_val); |
tulanthoar | 14:6bcd2f6a4fee | 835 | * myled = (button_val>0) ? 1 : 0; |
tulanthoar | 14:6bcd2f6a4fee | 836 | * } |
tulanthoar | 14:6bcd2f6a4fee | 837 | * } |
tulanthoar | 14:6bcd2f6a4fee | 838 | * } |
tulanthoar | 14:6bcd2f6a4fee | 839 | * @endcode |
tulanthoar | 14:6bcd2f6a4fee | 840 | */ |
tulanthoar | 14:6bcd2f6a4fee | 841 | |
tulanthoar | 14:6bcd2f6a4fee | 842 | /** |
tulanthoar | 14:6bcd2f6a4fee | 843 | * @class MPR121 |
tulanthoar | 14:6bcd2f6a4fee | 844 | * @brief API for the MPR121 capacitive touch IC |
tulanthoar | 14:6bcd2f6a4fee | 845 | */ |
tulanthoar | 14:6bcd2f6a4fee | 846 | class MPR121 |
tulanthoar | 14:6bcd2f6a4fee | 847 | { |
tulanthoar | 14:6bcd2f6a4fee | 848 | private: |
tulanthoar | 14:6bcd2f6a4fee | 849 | |
tulanthoar | 14:6bcd2f6a4fee | 850 | I2C *_i2c; |
tulanthoar | 14:6bcd2f6a4fee | 851 | InterruptIn *_irq; |
tulanthoar | 14:6bcd2f6a4fee | 852 | uint8_t _i2c_addr; |
tulanthoar | 14:6bcd2f6a4fee | 853 | volatile uint16_t _button; |
tulanthoar | 14:6bcd2f6a4fee | 854 | volatile uint32_t _button_has_changed; |
tulanthoar | 14:6bcd2f6a4fee | 855 | |
tulanthoar | 14:6bcd2f6a4fee | 856 | /** The interrupt handler for the IRQ pin |
tulanthoar | 14:6bcd2f6a4fee | 857 | */ |
tulanthoar | 14:6bcd2f6a4fee | 858 | void handler(void); |
tulanthoar | 14:6bcd2f6a4fee | 859 | |
tulanthoar | 14:6bcd2f6a4fee | 860 | public: |
tulanthoar | 14:6bcd2f6a4fee | 861 | |
tulanthoar | 14:6bcd2f6a4fee | 862 | /** |
tulanthoar | 14:6bcd2f6a4fee | 863 | * @enum MPR121_ADDR |
tulanthoar | 14:6bcd2f6a4fee | 864 | * @brief Possible terminations for the ADDR pin |
tulanthoar | 14:6bcd2f6a4fee | 865 | */ |
tulanthoar | 14:6bcd2f6a4fee | 866 | enum MPR121_ADDR |
tulanthoar | 14:6bcd2f6a4fee | 867 | { |
tulanthoar | 14:6bcd2f6a4fee | 868 | ADDR_VSS = 0x5A, /*!< ADDR connected to VSS */ |
tulanthoar | 14:6bcd2f6a4fee | 869 | ADDR_VDD, /*!< ADDR connected to VDD */ |
tulanthoar | 14:6bcd2f6a4fee | 870 | ADDR_SCL, /*!< ADDR connected to SDA */ |
tulanthoar | 14:6bcd2f6a4fee | 871 | ADDR_SDA /*!< ADDR connected to SCL */ |
tulanthoar | 14:6bcd2f6a4fee | 872 | }; |
tulanthoar | 14:6bcd2f6a4fee | 873 | |
tulanthoar | 14:6bcd2f6a4fee | 874 | /** |
tulanthoar | 14:6bcd2f6a4fee | 875 | * @enum MPR121_REGISTER |
tulanthoar | 14:6bcd2f6a4fee | 876 | * @brief The device register map |
tulanthoar | 14:6bcd2f6a4fee | 877 | */ |
tulanthoar | 14:6bcd2f6a4fee | 878 | enum MPR121_REGISTER |
tulanthoar | 14:6bcd2f6a4fee | 879 | { |
tulanthoar | 14:6bcd2f6a4fee | 880 | ELE0_7_STAT = 0x00, |
tulanthoar | 14:6bcd2f6a4fee | 881 | ELE8_11_STAT, ELE0_7_OOR_STAT, ELE8_11_OOR_STAT, EFD0LB, EFD0HB, |
tulanthoar | 14:6bcd2f6a4fee | 882 | EFD1LB, EFD1HB, EFD2LB, EFD2HB, EFD3LB, EFD3HB, EFD4LB, EFD4HB, EFD5LB, EFD5HB, |
tulanthoar | 14:6bcd2f6a4fee | 883 | |
tulanthoar | 14:6bcd2f6a4fee | 884 | EFD6LB = 0x10, |
tulanthoar | 14:6bcd2f6a4fee | 885 | EFD6HB, EFD7LB, EFD7HB, EFD8LB, EFD8HB, EFD9LB, EFD9HB, EFD10LB, |
tulanthoar | 14:6bcd2f6a4fee | 886 | EFD10HB, EFD11LB, EFD11HB, EFDPROXLB, EFDPROXHB, E0BV, E1BV, |
tulanthoar | 14:6bcd2f6a4fee | 887 | |
tulanthoar | 14:6bcd2f6a4fee | 888 | E2BV = 0x20, |
tulanthoar | 14:6bcd2f6a4fee | 889 | E3BV, E4BV, E5BV, E6BV, E7BV, E8BV, E9BV, E10BV, E11BV, EPROXBV, |
tulanthoar | 14:6bcd2f6a4fee | 890 | MHDR, NHDR, NCLR, FDLR, MHDF, |
tulanthoar | 14:6bcd2f6a4fee | 891 | |
tulanthoar | 14:6bcd2f6a4fee | 892 | NHDF = 0x30, |
tulanthoar | 14:6bcd2f6a4fee | 893 | NCLF, FDLF, NHDT, NCLT, FDLT, MHDPROXR, NHDPROXR, NCLPROXR, |
tulanthoar | 14:6bcd2f6a4fee | 894 | FDLPROXR, MHDPROXF, NHDPROXF, NCLPROXF, FDLPROXF, NHDPROXT, NCLPROXT, |
tulanthoar | 14:6bcd2f6a4fee | 895 | |
tulanthoar | 14:6bcd2f6a4fee | 896 | FDLPROXT = 0x40, |
tulanthoar | 14:6bcd2f6a4fee | 897 | E0TTH, E0RTH, E1TTH, E1RTH, E2TTH, E2RTH, E3TTH, E3RTH, |
tulanthoar | 14:6bcd2f6a4fee | 898 | E4TTH, E4RTH, E5TTH, E5RTH, E6TTH, E6RTH, E7TTH, |
tulanthoar | 14:6bcd2f6a4fee | 899 | |
tulanthoar | 14:6bcd2f6a4fee | 900 | E7RTH = 0x50, |
tulanthoar | 14:6bcd2f6a4fee | 901 | E8TTH, E8RTH, E9TTH, E9RTH, E10TTH, E10RTH, E11TTH, E11RTH, |
tulanthoar | 14:6bcd2f6a4fee | 902 | EPROXTTH, EPROXRTH, DT_DR, CDC_CONFIG, CDT_CONFIG, ECR, CDC0, |
tulanthoar | 14:6bcd2f6a4fee | 903 | |
tulanthoar | 14:6bcd2f6a4fee | 904 | CDC1 = 0x60, |
tulanthoar | 14:6bcd2f6a4fee | 905 | CDC2, CDC3, CDC4, CDC5, CDC6, CDC7, CDC8, CDC9, CDC10, CDC11, CDCPROX, CDT0_CDT1, |
tulanthoar | 14:6bcd2f6a4fee | 906 | CDT2_CDT3, CDT4_CDT5, CDT6_CDT7, |
tulanthoar | 14:6bcd2f6a4fee | 907 | |
tulanthoar | 14:6bcd2f6a4fee | 908 | CDT8_CDT9 = 0x70, |
tulanthoar | 14:6bcd2f6a4fee | 909 | CDT10_CDT11, CDTPROX, GPIO_CTRL0, GPIO_CTRL1, GPIO_DATA, GPIO_DIR, GPIO_EN, GPIO_SET, |
tulanthoar | 14:6bcd2f6a4fee | 910 | GPIO_CLR, GPIO_TOGGLE, AUTO_CFG0, AUTO_CFG1, USL, LSL, TL, |
tulanthoar | 14:6bcd2f6a4fee | 911 | |
tulanthoar | 14:6bcd2f6a4fee | 912 | SRST = 0x80 |
tulanthoar | 14:6bcd2f6a4fee | 913 | }; |
tulanthoar | 14:6bcd2f6a4fee | 914 | |
tulanthoar | 14:6bcd2f6a4fee | 915 | /** Create the MPR121 object |
tulanthoar | 14:6bcd2f6a4fee | 916 | * @param i2c - A defined I2C object |
tulanthoar | 14:6bcd2f6a4fee | 917 | * @param pin - A defined InterruptIn object |
tulanthoar | 14:6bcd2f6a4fee | 918 | * @param i2c_addr - Connection of the address line |
tulanthoar | 14:6bcd2f6a4fee | 919 | */ |
tulanthoar | 14:6bcd2f6a4fee | 920 | MPR121(I2C &i2c, InterruptIn &pin, MPR121_ADDR i2c_addr); |
tulanthoar | 14:6bcd2f6a4fee | 921 | |
tulanthoar | 14:6bcd2f6a4fee | 922 | /** Create the MPR121 object |
tulanthoar | 14:6bcd2f6a4fee | 923 | * @param i2c - A defined I2C object |
tulanthoar | 14:6bcd2f6a4fee | 924 | * @param i2c_addr - Connection of the address line |
tulanthoar | 14:6bcd2f6a4fee | 925 | */ |
tulanthoar | 14:6bcd2f6a4fee | 926 | MPR121(I2C &i2c, MPR121_ADDR i2c_addr); |
tulanthoar | 14:6bcd2f6a4fee | 927 | |
sam_grove | 3:828260f21de6 | 928 | /** Clear state variables and initilize the dependant objects |
sam_grove | 0:42add775212a | 929 | */ |
sam_grove | 0:42add775212a | 930 | void init(void); |
tulanthoar | 14:6bcd2f6a4fee | 931 | |
sam_grove | 0:42add775212a | 932 | /** Allow the IC to run and collect user input |
sam_grove | 0:42add775212a | 933 | */ |
sam_grove | 0:42add775212a | 934 | void enable(void); |
tulanthoar | 14:6bcd2f6a4fee | 935 | |
sam_grove | 0:42add775212a | 936 | /** Stop the IC and put into low power mode |
sam_grove | 0:42add775212a | 937 | */ |
sam_grove | 0:42add775212a | 938 | void disable(void); |
tulanthoar | 14:6bcd2f6a4fee | 939 | |
sam_grove | 0:42add775212a | 940 | /** Determine if a new button press event occured |
sam_grove | 0:42add775212a | 941 | * Upon calling the state is cleared until another press is detected |
sam_grove | 0:42add775212a | 942 | * @return 1 if a press has been detected since the last call, 0 otherwise |
sam_grove | 0:42add775212a | 943 | */ |
sam_grove | 0:42add775212a | 944 | uint32_t isPressed(void); |
tulanthoar | 14:6bcd2f6a4fee | 945 | |
sam_grove | 0:42add775212a | 946 | /** Get the electrode status (ELE12 ... ELE0 -> b15 xxx b11 ... b0 |
sam_grove | 0:42add775212a | 947 | * The buttons are bit mapped. ELE0 = b0 ... ELE11 = b11 b12 ... b15 undefined |
sam_grove | 0:42add775212a | 948 | * @return The state of all buttons |
sam_grove | 0:42add775212a | 949 | */ |
sam_grove | 0:42add775212a | 950 | uint16_t buttonPressed(void); |
tulanthoar | 14:6bcd2f6a4fee | 951 | |
sam_grove | 0:42add775212a | 952 | /** print the register map and values to the console |
sam_grove | 3:828260f21de6 | 953 | * @param obj - a Serial object that prints to a console |
sam_grove | 0:42add775212a | 954 | */ |
sam_grove | 3:828260f21de6 | 955 | void registerDump(Serial &obj) const; |
tulanthoar | 14:6bcd2f6a4fee | 956 | |
sam_grove | 5:3934358ec2b7 | 957 | /** print the register map and values to the console |
sam_grove | 5:3934358ec2b7 | 958 | */ |
sam_grove | 5:3934358ec2b7 | 959 | void registerDump(void) const; |
tulanthoar | 14:6bcd2f6a4fee | 960 | |
sam_grove | 0:42add775212a | 961 | /** Write to a register (exposed for debugging reasons) |
sam_grove | 0:42add775212a | 962 | * Note: most writes are only valid in stop mode |
sam_grove | 1:cee45334b36a | 963 | * @param reg - The register to be written |
sam_grove | 1:cee45334b36a | 964 | * @param data - The data to be written |
sam_grove | 0:42add775212a | 965 | */ |
sam_grove | 3:828260f21de6 | 966 | void writeRegister(MPR121_REGISTER const reg, uint8_t const data) const; |
tulanthoar | 14:6bcd2f6a4fee | 967 | |
sam_grove | 0:42add775212a | 968 | /** Read from a register (exposed for debugging reasons) |
sam_grove | 1:cee45334b36a | 969 | * @param reg - The register to read from |
sam_grove | 0:42add775212a | 970 | * @return The register contents |
sam_grove | 0:42add775212a | 971 | */ |
sam_grove | 3:828260f21de6 | 972 | uint8_t readRegister(MPR121_REGISTER const reg) const; |
tulanthoar | 14:6bcd2f6a4fee | 973 | |
sam_grove | 0:42add775212a | 974 | }; |
sam_grove | 0:42add775212a | 975 | |
sam_grove | 0:42add775212a | 976 | #endif |
Nathan Yonkee |
11:ad26c0810f02 | 977 | >>>>>>> merge rev |
tulanthoar | 17:2d6b050ad8b8 | 978 | ======= |
tulanthoar | 18:8c7054b112f0 | 979 | ======= |
tulanthoar | 17:2d6b050ad8b8 | 980 | >>>>>>> other |
tulanthoar | 18:8c7054b112f0 | 981 | >>>>>>> other |