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134 lines
3.0 KiB
C
134 lines
3.0 KiB
C
/* Copyright 2017 skully <skullydazed@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "clueboard60.h"
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#include "ch.h"
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#include "hal.h"
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/*
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* DAC streaming callback.
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*/
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size_t nx = 0, ny = 0, nz = 0;
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static void gpt_cb6(GPTDriver *gptp);
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static void gpt_cb7(GPTDriver *gptp);
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static void gpt_cb8(GPTDriver *gptp);
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float frequency[2] = { 440.00, 523.25 };
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/*
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* GPT6 configuration.
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*/
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GPTConfig gpt6cfg1 = {
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.frequency = 440.00,
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// .frequency = 1000000,
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.callback = gpt_cb6,
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// .callback = NULL,
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.cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
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.dier = 0U
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};
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GPTConfig gpt7cfg1 = {
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.frequency = 523.25,
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.callback = gpt_cb7,
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// .callback = NULL,
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.cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
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.dier = 0U
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};
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GPTConfig gpt8cfg1 = {
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.frequency = 44100,
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.callback = gpt_cb8,
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.cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
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.dier = 0U
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};
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static void gpt_cb6(GPTDriver *gptp) {
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palTogglePad(GPIOA, 4);
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// nz++;
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// if ((nz % 1000) == 0) {
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// palTogglePad(GPIOB, 7);
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// nz = 0;
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// gpt6cfg1.frequency *= 1.05946;
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// gptStopTimer(&GPTD6);
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// gptStart(&GPTD6, &gpt6cfg1);
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// gptStartContinuous(&GPTD6, 2U);
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// gpt7cfg1.frequency *= 1.05946;
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// gptStopTimer(&GPTD7);
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// gptStart(&GPTD7, &gpt7cfg1);
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// gptStartContinuous(&GPTD7, 2U);
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// }
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}
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static void gpt_cb7(GPTDriver *gptp) {
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palTogglePad(GPIOA, 5);
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// ny++;
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// if ((ny % 1000) == 0) {
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// palTogglePad(GPIOB, 7);
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// ny = 0;
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// }
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}
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static void gpt_cb8(GPTDriver *gptp) {
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nz++;
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if (nz == 5000) {
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palTogglePad(GPIOB, 7);
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nz = 0;
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frequency[0] *= 1.05946;
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frequency[1] *= 1.05946;
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gpt6cfg1.frequency = frequency[0];
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gptStopTimer(&GPTD6);
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gptStart(&GPTD6, &gpt6cfg1);
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gptStartContinuous(&GPTD6, 2U);
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gpt7cfg1.frequency = frequency[1];
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gptStopTimer(&GPTD7);
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gptStart(&GPTD7, &gpt7cfg1);
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gptStartContinuous(&GPTD7, 2U);
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}
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}
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void matrix_init_kb(void) {
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palSetPadMode(GPIOA, 4, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOA, 5, PAL_MODE_OUTPUT_PUSHPULL);
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gptStart(&GPTD6, &gpt6cfg1);
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gptStart(&GPTD7, &gpt7cfg1);
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gptStart(&GPTD8, &gpt8cfg1);
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gptStartContinuous(&GPTD6, 2U);
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gptStartContinuous(&GPTD7, 2U);
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gptStartContinuous(&GPTD8, 2U);
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}
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void matrix_scan_kb(void) {
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}
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