PaulStoffregen
4 years ago
2 changed files with 15 additions and 10 deletions
+ 5
- 1
WS2812Serial.cpp
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| uart->CTRL = (LPUART_CTRL_TE /*| LPUART_CTRL_TIE */ | LPUART_CTRL_TXINV); // enable transmitter and invert | uart->CTRL = (LPUART_CTRL_TE /*| LPUART_CTRL_TIE */ | LPUART_CTRL_TXINV); // enable transmitter and invert | ||||
| // We need to configure the TX pin now. | // We need to configure the TX pin now. | ||||
| *(portControlRegister(pin)) = IOMUXC_PAD_SRE | IOMUXC_PAD_DSE(3) | IOMUXC_PAD_SPEED(3); | *(portControlRegister(pin)) = IOMUXC_PAD_SRE | IOMUXC_PAD_DSE(3) | IOMUXC_PAD_SPEED(3); | ||||
| *(portConfigRegister(pin)) = 2; // from hardware table for each one, but I think they are all 2... | |||||
| uint32_t pinmuxval = 2; // most of them use mux ALT2 | |||||
| #if defined(ARDUINO_TEENSY41) | |||||
| if (pin == 35) pinmuxval = 1; | |||||
| #endif | |||||
| *(portConfigRegister(pin)) = pinmuxval; | |||||
| dma->destination((volatile uint8_t&)uart->DATA); | dma->destination((volatile uint8_t&)uart->DATA); | ||||
| //Serial.printf("HWTrigger: %x\n", hwtrigger); | //Serial.printf("HWTrigger: %x\n", hwtrigger); |
+ 10
- 9
readme.md
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| ## Supported Pins & Serial Ports | ## Supported Pins & Serial Ports | ||||
| | Port | Teensy LC | Teensy 3.2 | Teensy 3.5 | Teensy 3.6 | Teensy 4.0 | | |||||
| | :------ | :---------: | :--------: | :--------: | :--------: | :--------: | | |||||
| | Serial1 | 1, 4, 5, 24 | 1, 5 | 1, 5, 26 | 1, 5, 26 | 1 | | |||||
| | Serial2 | | 10, 31 | 10 | 10 | 8 | | |||||
| | Serial3 | | 8 | 8 | 8 | 14 | | |||||
| | Serial4 | | | 32 | 32 | 17 | | |||||
| | Serial5 | | | 33 | 33 | 20, 39 | | |||||
| | Serial6 | | | 48 | | 24 | | |||||
| | Serial7 | | | | | 29 | | |||||
| | Port | Teensy LC | Teensy 3.2 | Teensy 3.5 | Teensy 3.6 | Teensy 4.0 | Teensy 4.1 | | |||||
| | :------ | :---------: | :--------: | :--------: | :--------: | :--------: | :--------: | | |||||
| | Serial1 | 1, 4, 5, 24 | 1, 5 | 1, 5, 26 | 1, 5, 26 | 1 | 1, 53 | | |||||
| | Serial2 | | 10, 31 | 10 | 10 | 8 | 8 | | |||||
| | Serial3 | | 8 | 8 | 8 | 14 | 14 | | |||||
| | Serial4 | | | 32 | 32 | 17 | 17 | | |||||
| | Serial5 | | | 33 | 33 | 20, 39 | 20, 47 | | |||||
| | Serial6 | | | 48 | | 24 | 24 | | |||||
| | Serial7 | | | | | 29 | 29 | | |||||
| | Serial8 | | | | | | 35 | | |||||
| Serial2 & Serial3 on Teensy LC are not supported, due to lack of configurable | Serial2 & Serial3 on Teensy LC are not supported, due to lack of configurable | ||||
| oversampling needed to run at the high speed required. | oversampling needed to run at the high speed required. |
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