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HardwarePWM Esp32 - added assert for max pwm channels #2904

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merged 13 commits into from
Nov 4, 2024
Merged

HardwarePWM Esp32 - added assert for max pwm channels #2904

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8b02f58
minor edit
pljakobs Oct 30, 2024
67ac057
fixed coding style
pljakobs Oct 30, 2024
9329a2e
improved checking for max channel number and made sure PWM_CHANNEL_NU…
pljakobs Oct 31, 2024
8dc5c2c
improved checking for max channel number and made sure PWM_CHANNEL_NU…
pljakobs Oct 31, 2024
98994e3
fixed coding style
pljakobs Oct 31, 2024
89ec329
clean up
pljakobs Oct 31, 2024
7e54adc
removed unnecessary conditional #defines
pljakobs Oct 31, 2024
f49281f
re-orderd things in pwm.h
pljakobs Oct 31, 2024
f3d920b
fixed coding style. again
pljakobs Oct 31, 2024
c012764
Fix pwm.h, minimal patch
mikee47 Oct 31, 2024
99d0970
Merge branch 'develop' into fix/maxPWMChannels
pljakobs Nov 2, 2024
4110000
added asserts for allowable pins
pljakobs Nov 2, 2024
ef5f105
Revert "added asserts for allowable pins"
pljakobs Nov 2, 2024
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7 changes: 2 additions & 5 deletions Sming/Arch/Esp32/Components/driver/include/driver/pwm.h
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Original file line number Diff line number Diff line change
Expand Up @@ -10,9 +10,6 @@

#pragma once

#ifdef SOC_LEDC_CHANNEL_NUM
#include <soc/soc_caps.h>

#define PWM_CHANNEL_NUM_MAX SOC_LEDC_CHANNEL_NUM
#else
// this should not happen if the correct esp32 includes are used, just to be absolutely sure
#define PWM_CHANNEL_NUM_MAX 8
#endif
7 changes: 3 additions & 4 deletions Sming/Arch/Esp32/Core/HardwarePWM.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -140,11 +140,10 @@ uint32_t maxDuty(ledc_timer_bit_t bits)

HardwarePWM::HardwarePWM(uint8_t* pins, uint8_t no_of_pins) : channel_count(no_of_pins)
{
debug_d("starting HardwarePWM init");
assert(no_of_pins > 0 && no_of_pins <= SOC_LEDC_CHANNEL_NUM);
no_of_pins = std::min(uint8_t(SOC_LEDC_CHANNEL_NUM), no_of_pins);

periph_module_enable(PERIPH_LEDC_MODULE);
if((no_of_pins == 0) || (no_of_pins > SOC_LEDC_CHANNEL_NUM)) {
return;
}

for(uint8_t i = 0; i < no_of_pins; i++) {
channels[i] = pins[i];
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