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fix(driver_mcpwm): in foc example correct the angle calcutation

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Closes https://github.com/espressif/esp-idf/issues/17015
This commit is contained in:
wanckl
2025-08-19 19:33:39 +08:00
committed by morris
parent b4cbe6336c
commit 125a3fa3a8
1 changed files with 2 additions and 2 deletions
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4
examples/peripherals/mcpwm/mcpwm_foc_svpwm_open_loop/main/app_main.c
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@@ -29,7 +29,7 @@ static const char *TAG = "example_foc";
#define EXAMPLE_FOC_MCPWM_TIMER_RESOLUTION_HZ 10000000 // 10MHz, 1 tick = 0.1us
#define EXAMPLE_FOC_MCPWM_PERIOD 1000 // 1000 * 0.1us = 100us, 10KHz
#define EXAMPLE_FOC_WAVE_FREQ 10 // 50Hz 3 phase AC wave
#define EXAMPLE_FOC_WAVE_FREQ 50 // 50Hz 3 phase AC wave
#define EXAMPLE_FOC_WAVE_AMPL 100 // Wave amplitude, Use up-down timer mode, max value should be (EXAMPLE_FOC_MCPWM_PERIOD/2)
void bsp_bridge_driver_init(void)
@@ -114,7 +114,7 @@ void app_main(void)
xSemaphoreTake(update_semaphore, portMAX_DELAY);
// Calculate elec_theta_deg increase step of 50Hz output on 10000Hz call
elec_theta_deg += (EXAMPLE_FOC_WAVE_AMPL * 360.f) / (EXAMPLE_FOC_MCPWM_TIMER_RESOLUTION_HZ / EXAMPLE_FOC_WAVE_FREQ);
elec_theta_deg += (EXAMPLE_FOC_WAVE_FREQ * 360.f) / (EXAMPLE_FOC_MCPWM_TIMER_RESOLUTION_HZ / EXAMPLE_FOC_MCPWM_PERIOD);
if (elec_theta_deg > 360) {
elec_theta_deg -= 360;
}