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降低pclk频率/增大背光PWM频率防止电感啸叫 (#355)

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This commit is contained in:
Kevincoooool
2025-03-17 09:45:03 +08:00
committed by GitHub
parent c165d6f7e1
commit 0e28cd8a54
2 changed files with 2 additions and 2 deletions
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2
main/boards/common/backlight.cc
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@@ -78,7 +78,7 @@ PwmBacklight::PwmBacklight(gpio_num_t pin, bool output_invert) : Backlight() {
.speed_mode = LEDC_LOW_SPEED_MODE, .speed_mode = LEDC_LOW_SPEED_MODE,
.duty_resolution = LEDC_TIMER_10_BIT, .duty_resolution = LEDC_TIMER_10_BIT,
.timer_num = LEDC_TIMER_0, .timer_num = LEDC_TIMER_0,
.freq_hz = 20000, //背光pwm频率需要高一点，防止电感啸叫 .freq_hz = 25000, //背光pwm频率需要高一点，防止电感啸叫
.clk_cfg = LEDC_AUTO_CLK, .clk_cfg = LEDC_AUTO_CLK,
.deconfigure = false .deconfigure = false
}; };

2
main/boards/kevin-yuying-313lcd/esp_lcd_gc9503.h
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@@ -122,7 +122,7 @@ esp_err_t esp_lcd_new_panel_gc9503(const esp_lcd_panel_io_handle_t io, const esp
*/ */
#define GC9503_376_960_PANEL_60HZ_RGB_TIMING() \ #define GC9503_376_960_PANEL_60HZ_RGB_TIMING() \
{ \ { \
.pclk_hz = 20 * 1000 * 1000, \ .pclk_hz = 16 * 1000 * 1000, \
.h_res = 376, \ .h_res = 376, \
.v_res = 960, \ .v_res = 960, \
.hsync_pulse_width = 8, \ .hsync_pulse_width = 8, \