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| 1 | +/* |
| 2 | +© [2024] Microchip Technology Inc. and its subsidiaries. |
| 3 | +
|
| 4 | + Subject to your compliance with these terms, you may use Microchip |
| 5 | + software and any derivatives exclusively with Microchip products. |
| 6 | + You are responsible for complying with 3rd party license terms |
| 7 | + applicable to your use of 3rd party software (including open source |
| 8 | + software) that may accompany Microchip software. SOFTWARE IS ?AS IS.? |
| 9 | + NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS |
| 10 | + SOFTWARE, INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, |
| 11 | + MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT |
| 12 | + WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, |
| 13 | + INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY |
| 14 | + KIND WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF |
| 15 | + MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE |
| 16 | + FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP?S |
| 17 | + TOTAL LIABILITY ON ALL CLAIMS RELATED TO THE SOFTWARE WILL NOT |
| 18 | + EXCEED AMOUNT OF FEES, IF ANY, YOU PAID DIRECTLY TO MICROCHIP FOR |
| 19 | + THIS SOFTWARE. |
| 20 | +*/ |
| 21 | + |
| 22 | +#include "application.h" |
| 23 | + |
| 24 | +static key_t keyInfo; |
| 25 | +static uint16_t state = GET_EVENT; |
| 26 | +static e_key buttonNo = NO_KEY; |
| 27 | +static uint16_t motorState = HALTED; |
| 28 | + |
| 29 | +void ApplicationTask(void) |
| 30 | +{ |
| 31 | + uint16_t motorSpeed = SPEED0; |
| 32 | + |
| 33 | + switch (state) |
| 34 | + { |
| 35 | + case GET_EVENT: |
| 36 | + //Check if any button/slider pressed/released event is pending |
| 37 | + if (GetEvent() != NO_KEY) |
| 38 | + { |
| 39 | + buttonNo = GetButton(); |
| 40 | + if (buttonNo < MAX_KEYS) |
| 41 | + { |
| 42 | + state = GET_CMD; |
| 43 | + } |
| 44 | + ClearButton(); |
| 45 | + ClearEvent(); |
| 46 | + } |
| 47 | + break; |
| 48 | + |
| 49 | + case GET_CMD: |
| 50 | + if (buttonNo == BUTTON1) |
| 51 | + { |
| 52 | + state = MOTOR_START; |
| 53 | + } |
| 54 | + else if (buttonNo == BUTTON2) |
| 55 | + { |
| 56 | + state = MOTOR_STOP; |
| 57 | + } |
| 58 | + else if (buttonNo == SLIDER) |
| 59 | + { |
| 60 | + state = SPEED_CTRL; |
| 61 | + } |
| 62 | + else |
| 63 | + { |
| 64 | + state = GET_EVENT; |
| 65 | + } |
| 66 | + // Clear the button to update in next event received |
| 67 | + buttonNo = NO_KEY; |
| 68 | + break; |
| 69 | + |
| 70 | + case MOTOR_START: |
| 71 | + if (motorState != RUNNING) |
| 72 | + { |
| 73 | + motorState = RUNNING; |
| 74 | + //Set the DC Motor 8 Click EN pin |
| 75 | + EN_SetHigh(); |
| 76 | + //Set the motor speed to minimum |
| 77 | + PWM4_LoadDutyValue(MIN_SPEED); |
| 78 | + TurnOnSliderLED1(); |
| 79 | + BUTTON_LED2_SetHigh(); |
| 80 | + BUTTON_LED1_SetLow(); |
| 81 | + } |
| 82 | + else |
| 83 | + { |
| 84 | + state = GET_EVENT; |
| 85 | + } |
| 86 | + break; |
| 87 | + |
| 88 | + case MOTOR_STOP: |
| 89 | + if (motorState == RUNNING) |
| 90 | + { |
| 91 | + motorState = HALTED; |
| 92 | + |
| 93 | + //Reset the DC Motor 8 Click EN pin |
| 94 | + EN_SetLow(); |
| 95 | + |
| 96 | + //Set the motor speed to 0 |
| 97 | + PWM4_LoadDutyValue(SPEED0); |
| 98 | + TurnOffSliderLEDs(); |
| 99 | + BUTTON_LED1_SetHigh(); |
| 100 | + BUTTON_LED2_SetLow(); |
| 101 | + } |
| 102 | + else |
| 103 | + { |
| 104 | + state = GET_EVENT; |
| 105 | + } |
| 106 | + break; |
| 107 | + |
| 108 | + case SPEED_CTRL: |
| 109 | + if (motorState == RUNNING) |
| 110 | + { |
| 111 | + // Get the motor speed value depending upon predefined ranges |
| 112 | + motorSpeed = GetMotorSpeed(keyInfo.sliderADCValue); |
| 113 | + //Set the motor speed to corresponding motor speed value |
| 114 | + PWM4_LoadDutyValue(motorSpeed); |
| 115 | + keyInfo.sliderADCValue = 0; |
| 116 | + } |
| 117 | + state = GET_EVENT; |
| 118 | + break; |
| 119 | + |
| 120 | + default: |
| 121 | + state = GET_EVENT; |
| 122 | + break; |
| 123 | + |
| 124 | + } |
| 125 | +} |
| 126 | + |
| 127 | +void ProcessButtonRelease(enum mtouch_button_names button) |
| 128 | +{ |
| 129 | + switch (button) |
| 130 | + { |
| 131 | + case Button0: |
| 132 | + keyInfo.key = BUTTON1; |
| 133 | + keyInfo.keyStatus = KEY_RELEASED; |
| 134 | + break; |
| 135 | + |
| 136 | + case Button1: |
| 137 | + keyInfo.key = BUTTON2; |
| 138 | + keyInfo.keyStatus = KEY_RELEASED; |
| 139 | + break; |
| 140 | + |
| 141 | + default: |
| 142 | + break; |
| 143 | + |
| 144 | + } |
| 145 | +} |
| 146 | + |
| 147 | +void ProcessSliderChange(enum mtouch_slider_names slider) |
| 148 | +{ |
| 149 | + keyInfo.key = SLIDER; |
| 150 | + keyInfo.keyStatus = KEY_PRESSED; |
| 151 | + keyInfo.sliderADCValue = MTOUCH_Slider_Position_Get(Slider0); |
| 152 | +} |
| 153 | + |
| 154 | +e_key_state GetEvent(void) |
| 155 | +{ |
| 156 | + return keyInfo.keyStatus; |
| 157 | +} |
| 158 | + |
| 159 | +void ClearEvent(void) |
| 160 | +{ |
| 161 | + keyInfo.keyStatus = KEY_NO_ACTION; |
| 162 | +} |
| 163 | + |
| 164 | +e_key GetButton(void) |
| 165 | +{ |
| 166 | + return keyInfo.key; |
| 167 | +} |
| 168 | + |
| 169 | +void ClearButton(void) |
| 170 | +{ |
| 171 | + keyInfo.key = NO_KEY; |
| 172 | +} |
| 173 | + |
| 174 | +uint16_t GetMotorSpeed(uint16_t adcVal) |
| 175 | +{ |
| 176 | + uint16_t retVal = 0; |
| 177 | + |
| 178 | + if (adcVal < SLIDER_COUNT_MIN) |
| 179 | + { |
| 180 | + //turn off all the slider LEDs |
| 181 | + TurnOffSliderLEDs(); |
| 182 | + retVal = SPEED0; |
| 183 | + } |
| 184 | + else if ((adcVal > (SLIDER_COUNT_MIN - 1) ) && (adcVal < SLIDER_COUNT_1)) |
| 185 | + { |
| 186 | + //turn on slider LED 1 |
| 187 | + TurnOnSliderLED1(); |
| 188 | + retVal = SPEED1; |
| 189 | + } |
| 190 | + else if ((adcVal > (SLIDER_COUNT_1 - 1)) && (adcVal < SLIDER_COUNT_2)) |
| 191 | + { |
| 192 | + //turn on slider LED 1 and 2 |
| 193 | + TurnOnSliderLED2(); |
| 194 | + retVal = SPEED2; |
| 195 | + } |
| 196 | + else if ((adcVal > (SLIDER_COUNT_2 - 1)) && (adcVal < SLIDER_COUNT_3)) |
| 197 | + { |
| 198 | + //turn on slider LED 1, 2 and 3 |
| 199 | + TurnOnSliderLED3(); |
| 200 | + retVal = SPEED3; |
| 201 | + } |
| 202 | + else if ((adcVal > (SLIDER_COUNT_3 - 1)) && (adcVal < SLIDER_COUNT_4)) |
| 203 | + { |
| 204 | + //turn on slider LED 1, 2, 3 and 4 |
| 205 | + TurnOnSliderLED4(); |
| 206 | + retVal = SPEED4; |
| 207 | + } |
| 208 | + else if ((adcVal > (SLIDER_COUNT_4 - 1)) && (adcVal < SLIDER_COUNT_MAX)) |
| 209 | + { |
| 210 | + //turn on slider LED 1, 2, 3, 4 and 5 |
| 211 | + TurnOnSliderLED5(); |
| 212 | + retVal = SPEED5; |
| 213 | + } |
| 214 | + else if (adcVal > (SLIDER_COUNT_MAX - 1) ) |
| 215 | + { |
| 216 | + //turn on all the slider LEDs 1, 2, 3, 4, 5 and 6 |
| 217 | + TurnOnSliderLED6(); |
| 218 | + retVal = MAX_SPEED; |
| 219 | + } |
| 220 | + else |
| 221 | + { |
| 222 | + retVal = 0; |
| 223 | + } |
| 224 | + return retVal; |
| 225 | +} |
| 226 | + |
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