1 | #include "ch.h"
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2 | #include "hal.h"
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3 |
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4 | static THD_WORKING_AREA(waThread1, 128);
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5 | static THD_FUNCTION(Thread1, arg) {
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6 |
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7 | (void)arg;
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8 | chRegSetThreadName("blinker");
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9 | while (true) {
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10 | palTogglePad(GPIOD, GPIOD_LED3);
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11 | palTogglePad(GPIOD, GPIOD_LED4);
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12 | palTogglePad(GPIOD, GPIOD_LED5);
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13 | palTogglePad(GPIOD, GPIOD_LED6);
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14 |
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15 | chThdSleepMilliseconds(500);
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16 | }
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17 | }
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18 |
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19 | static PWMConfig pwm1cfg = {
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20 | 8000000, /* 8MHz PWM clock frequency. */
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21 | US2ST(20), /* PWM period 20us. */
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22 | NULL,
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23 | {
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24 | {PWM_OUTPUT_ACTIVE_HIGH | PWM_COMPLEMENTARY_OUTPUT_ACTIVE_LOW, NULL}, /* PWM1, CH1 */
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25 | {PWM_OUTPUT_ACTIVE_HIGH | PWM_COMPLEMENTARY_OUTPUT_ACTIVE_LOW, NULL}, /* PWM1, CH2 */
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26 | {PWM_OUTPUT_ACTIVE_HIGH | PWM_COMPLEMENTARY_OUTPUT_ACTIVE_LOW, NULL}, /* PWM1, CH3 */
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27 | {PWM_OUTPUT_DISABLED, NULL}
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28 | },
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29 | 0,
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30 | 0
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31 | };
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32 |
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33 | int main(void) {
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34 |
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35 | halInit();
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36 | chSysInit();
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37 |
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38 | pwmStart(&PWMD1, &pwm1cfg);
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39 |
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40 | palSetPadMode(GPIOA, 8, PAL_MODE_ALTERNATE(1));
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41 | palSetPadMode(GPIOA, 9, PAL_MODE_ALTERNATE(1));
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42 | palSetPadMode(GPIOA, 10, PAL_MODE_ALTERNATE(1));
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43 | palSetPadMode(GPIOB, 13, PAL_MODE_ALTERNATE(1));
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44 | palSetPadMode(GPIOB, 14, PAL_MODE_ALTERNATE(1));
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45 | palSetPadMode(GPIOB, 15, PAL_MODE_ALTERNATE(1));
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46 |
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47 | pwmEnableChannel(&PWMD1, 1, PWM_PERCENTAGE_TO_WIDTH (&PWMD1, 1000));
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48 | pwmEnableChannel(&PWMD1, 1, PWM_PERCENTAGE_TO_WIDTH (&PWMD1, 7000));
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49 | pwmEnableChannel(&PWMD1, 2, PWM_PERCENTAGE_TO_WIDTH (&PWMD1, 7000));
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50 |
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51 | /*
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52 | * Activates the serial driver 2 using the driver default configuration.
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53 | * PA2(TX) and PA3(RX) are routed to USART2.
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54 | */
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55 | sdStart(&SD2, NULL);
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56 | palSetPadMode(GPIOA, 2, PAL_MODE_ALTERNATE(7));
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57 | palSetPadMode(GPIOA, 3, PAL_MODE_ALTERNATE(7));
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58 |
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59 | chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
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60 |
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61 | while (true) {
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62 | sdWrite(&SD2, (uint8_t *)"Hallo\n", 6);
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63 | if (palReadPad(GPIOA, GPIOA_BUTTON))
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64 | sdWrite(&SD2, (uint8_t *)"Press\n", 6);
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65 | chThdSleepMilliseconds(500);
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66 | }
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67 | }
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