diff options
Diffstat (limited to 'examples/stm32f4/src/bin/ws2812_pwm.rs')
| -rw-r--r-- | examples/stm32f4/src/bin/ws2812_pwm.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/examples/stm32f4/src/bin/ws2812_pwm.rs b/examples/stm32f4/src/bin/ws2812_pwm.rs index 5153e1cfd..4e556f0d4 100644 --- a/examples/stm32f4/src/bin/ws2812_pwm.rs +++ b/examples/stm32f4/src/bin/ws2812_pwm.rs | |||
| @@ -15,9 +15,9 @@ | |||
| 15 | use embassy_executor::Spawner; | 15 | use embassy_executor::Spawner; |
| 16 | use embassy_stm32::gpio::OutputType; | 16 | use embassy_stm32::gpio::OutputType; |
| 17 | use embassy_stm32::time::khz; | 17 | use embassy_stm32::time::khz; |
| 18 | use embassy_stm32::timer::Channel; | ||
| 18 | use embassy_stm32::timer::low_level::CountingMode; | 19 | use embassy_stm32::timer::low_level::CountingMode; |
| 19 | use embassy_stm32::timer::simple_pwm::{PwmPin, SimplePwm}; | 20 | use embassy_stm32::timer::simple_pwm::{PwmPin, SimplePwm}; |
| 20 | use embassy_stm32::timer::Channel; | ||
| 21 | use embassy_time::{Duration, Ticker, Timer}; | 21 | use embassy_time::{Duration, Ticker, Timer}; |
| 22 | use {defmt_rtt as _, panic_probe as _}; | 22 | use {defmt_rtt as _, panic_probe as _}; |
| 23 | 23 | ||
| @@ -61,7 +61,7 @@ async fn main(_spawner: Spawner) { | |||
| 61 | // construct ws2812 non-return-to-zero (NRZ) code bit by bit | 61 | // construct ws2812 non-return-to-zero (NRZ) code bit by bit |
| 62 | // ws2812 only need 24 bits for each LED, but we add one bit more to keep PWM output low | 62 | // ws2812 only need 24 bits for each LED, but we add one bit more to keep PWM output low |
| 63 | 63 | ||
| 64 | let max_duty = ws2812_pwm.max_duty_cycle(); | 64 | let max_duty = ws2812_pwm.max_duty_cycle() as u16; |
| 65 | let n0 = 8 * max_duty / 25; // ws2812 Bit 0 high level timing | 65 | let n0 = 8 * max_duty / 25; // ws2812 Bit 0 high level timing |
| 66 | let n1 = 2 * n0; // ws2812 Bit 1 high level timing | 66 | let n1 = 2 * n0; // ws2812 Bit 1 high level timing |
| 67 | 67 | ||
