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new: Add suport to ESP32 LEDC (PWM output)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -2,5 +2,5 @@ PACKAGE=picsimlab | |
| MAINVER=0 | ||
| MINORVER=9 | ||
| VERSION=0.9.0 | ||
| DATE=230924 | ||
| DATE=231001 | ||
| VERSION_STABLE=0.9.0 | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| /* ######################################################################## | ||
| PICSimLab - Programmable IC Simulator Laboratory | ||
| ######################################################################## | ||
| Copyright (c) : 2023-2023 Luis Claudio Gambôa Lopes <lcgamboa@yahoo.com> | ||
| This program is free software; you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation; either version 2, or (at your option) | ||
| any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with this program; if not, write to the Free Software | ||
| Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| For e-mail suggestions : lcgamboa@yahoo.com | ||
| ######################################################################## */ | ||
|
|
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| #include "bitbang_pwm.h" | ||
| #include "../lib/board.h" | ||
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| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
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| #define dprintf \ | ||
| if (1) { \ | ||
| } else \ | ||
| printf | ||
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| void bitbang_pwm_rst(bitbang_pwm_t* pwm) { | ||
| dprintf("bitbang_pwm rst\n"); | ||
| pwm->counter = 0; | ||
| for (int i = 0; i < pwm->chanels; i++) { | ||
| pwm->duty[i] = 0; | ||
| pwm->out[i] = 0; | ||
| } | ||
| } | ||
|
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| static void bitbang_pwm_ctrl_callback(void* arg) { | ||
| bitbang_pwm_t* pwm = (bitbang_pwm_t*)arg; | ||
| unsigned char out; | ||
|
|
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| for (int i = 0; i < pwm->chanels; i++) { | ||
| if (pwm->pins[i]) { | ||
| if (pwm->counter < pwm->duty[i]) { | ||
| out = 1; | ||
| } else { | ||
| out = 0; | ||
| } | ||
| if (pwm->out[i] != out) { | ||
| pwm->out[i] = out; | ||
| ioupdated = 1; | ||
| } | ||
| } | ||
| } | ||
|
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| pwm->counter++; | ||
| if (pwm->counter > 99) { | ||
| pwm->counter = 0; | ||
| } | ||
| } | ||
|
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| void bitbang_pwm_init(bitbang_pwm_t* pwm, board* pboard, const unsigned char channels) { | ||
| dprintf("bitbang_pwm init\n"); | ||
| pwm->chanels = channels; | ||
| bitbang_pwm_rst(pwm); | ||
| pwm->pboard = pboard; | ||
| pwm->TimerID = pwm->pboard->TimerRegister_us(2, bitbang_pwm_ctrl_callback, pwm); | ||
| pwm->pboard->TimerChange_us(pwm->TimerID, 2); // FIXME only 5kHz frequency | ||
| pwm->pboard->TimerSetState(pwm->TimerID, 0); // disabled | ||
| } | ||
|
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| void bitbang_pwm_end(bitbang_pwm_t* pwm) { | ||
| dprintf("bitbang_pwm end\n"); | ||
| pwm->pboard->TimerUnregister(pwm->TimerID); | ||
| } | ||
|
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| void bitbang_pwm_set_duty(bitbang_pwm_t* pwm, const unsigned char channel, const char duty) { | ||
| dprintf("bitbang_pwm chanell %i (pin %i) set duty to %i%% \n", channel, pwm->pins[channel], duty); | ||
| pwm->pboard->TimerSetState(pwm->TimerID, 1); | ||
| pwm->duty[channel] = duty; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| /* ######################################################################## | ||
| PICSimLab - Programmable IC Simulator Laboratory | ||
| ######################################################################## | ||
| Copyright (c) : 2023-2023 Luis Claudio Gambôa Lopes <lcgamboa@yahoo.com> | ||
| This program is free software; you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation; either version 2, or (at your option) | ||
| any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with this program; if not, write to the Free Software | ||
| Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| For e-mail suggestions : lcgamboa@yahoo.com | ||
| ######################################################################## */ | ||
|
|
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| #ifndef BITBANG_PWM | ||
| #define BITBANG_PWM | ||
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| class board; | ||
|
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| typedef struct { | ||
| unsigned char chanels; | ||
| board* pboard; | ||
| int TimerID; | ||
| unsigned int counter; | ||
| unsigned char pins[32]; | ||
| unsigned char out[32]; | ||
| unsigned char duty[32]; | ||
| } bitbang_pwm_t; | ||
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| void bitbang_pwm_init(bitbang_pwm_t* pwm, board* pboard, const unsigned char channels = 8); | ||
| void bitbang_pwm_rst(bitbang_pwm_t* pwm); | ||
| void bitbang_pwm_end(bitbang_pwm_t* pwm); | ||
| void bitbang_pwm_set_duty(bitbang_pwm_t* pwm, const unsigned char channel, const char duty); | ||
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| #endif // BITBANG_PWM |