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wideband
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PWM works

This commit is contained in:
Matthew Kennedy 2020-10-26 12:45:50 -07:00
parent 7a94321773
commit 3e90915d48
3 changed files with 11 additions and 7 deletions
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2
firmware/cfg/mcuconf.h
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@ -112,7 +112,7 @@
/* /*
* PWM driver system settings. * PWM driver system settings.
*/ */
#define STM32_PWM_USE_ADVANCED FALSE #define STM32_PWM_USE_ADVANCED TRUE
#define STM32_PWM_USE_TIM1 TRUE #define STM32_PWM_USE_TIM1 TRUE
#define STM32_PWM_USE_TIM2 FALSE #define STM32_PWM_USE_TIM2 FALSE
#define STM32_PWM_USE_TIM3 TRUE #define STM32_PWM_USE_TIM3 TRUE

8
firmware/main.cpp
View File

@ -7,10 +7,10 @@
// 400khz / 1024 = 390hz PWM // 400khz / 1024 = 390hz PWM
// TODO: this is wired to an inverted output, what do? // TODO: this is wired to an inverted output, what do?
Pwm heaterPwm(PWMD1, 1, 400000, 1024); Pwm heaterPwm(PWMD1, 0, 400'000, 1024);
// 48MHz / 1024 = 46.8khz PWM // 48MHz / 1024 = 46.8khz PWM
Pwm pumpDac(PWMD3, 1, 48000000, 1024); Pwm pumpDac(PWMD3, 0, 48'000'000, 1024);
/* /*
* Application entry point. * Application entry point.
@ -21,6 +21,10 @@ int main() {
InitCan(); InitCan();
palSetPadMode(GPIOA, 6, PAL_MODE_ALTERNATE(1));
adcStart(&ADCD1, nullptr);
heaterPwm.Start(); heaterPwm.Start();
pumpDac.Start(); pumpDac.Start();

8
firmware/pwm.cpp
View File

@ -17,10 +17,10 @@ void Pwm::Start()
m_counterPeriod, m_counterPeriod,
nullptr, nullptr,
{ {
{PWM_OUTPUT_ACTIVE_HIGH, nullptr}, {PWM_OUTPUT_ACTIVE_HIGH | PWM_COMPLEMENTARY_OUTPUT_ACTIVE_LOW, nullptr},
{PWM_OUTPUT_ACTIVE_HIGH, nullptr}, {PWM_OUTPUT_ACTIVE_HIGH | PWM_COMPLEMENTARY_OUTPUT_ACTIVE_LOW, nullptr},
{PWM_OUTPUT_ACTIVE_HIGH, nullptr}, {PWM_OUTPUT_ACTIVE_HIGH | PWM_COMPLEMENTARY_OUTPUT_ACTIVE_LOW, nullptr},
{PWM_OUTPUT_ACTIVE_HIGH, nullptr} {PWM_OUTPUT_ACTIVE_HIGH | PWM_COMPLEMENTARY_OUTPUT_ACTIVE_LOW, nullptr}
}, },
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