diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/apa102/apa102.c | 151 | ||||
| -rw-r--r-- | drivers/apa102/apa102.h (renamed from drivers/avr/apa102.h) | 32 | ||||
| -rw-r--r-- | drivers/avr/apa102.c | 96 | ||||
| -rw-r--r-- | drivers/avr/serial.c | 6 | ||||
| -rw-r--r-- | drivers/avr/spi_master.c | 2 | ||||
| -rw-r--r-- | drivers/avr/spi_master.h | 2 | ||||
| -rw-r--r-- | drivers/avr/uart.c | 170 | ||||
| -rw-r--r-- | drivers/avr/uart.h | 35 | ||||
| -rw-r--r-- | drivers/chibios/serial_usart.c | 13 | ||||
| -rw-r--r-- | drivers/chibios/uart.c | 50 | ||||
| -rw-r--r-- | drivers/chibios/uart.h | 77 | ||||
| -rw-r--r-- | drivers/chibios/usbpd_stm32g4.c | 76 | ||||
| -rw-r--r-- | drivers/qwiic/qwiic.mk | 9 | ||||
| -rw-r--r-- | drivers/usbpd.h | 29 |
14 files changed, 620 insertions, 128 deletions
diff --git a/drivers/apa102/apa102.c b/drivers/apa102/apa102.c new file mode 100644 index 0000000000..7396dc3c55 --- /dev/null +++ b/drivers/apa102/apa102.c @@ -0,0 +1,151 @@ +/* Copyright 2020 Aldehir Rojas + * Copyright 2017 Mikkel (Duckle29) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "apa102.h" +#include "quantum.h" + +#ifndef APA102_NOPS +# if defined(__AVR__) +# define APA102_NOPS 0 // AVR at 16 MHz already spends 62.5 ns per clock, so no extra delay is needed +# elif defined(PROTOCOL_CHIBIOS) + +# include "hal.h" +# if defined(STM32F0XX) || defined(STM32F1XX) || defined(STM32F3XX) || defined(STM32F4XX) || defined(STM32L0XX) +# define APA102_NOPS (100 / (1000000000L / (STM32_SYSCLK / 4))) // This calculates how many loops of 4 nops to run to delay 100 ns +# else +# error("APA102_NOPS configuration required") +# define APA102_NOPS 0 // this just pleases the compile so the above error is easier to spot +# endif +# endif +#endif + +#define io_wait \ + do { \ + for (int i = 0; i < APA102_NOPS; i++) { \ + __asm__ volatile("nop\n\t" \ + "nop\n\t" \ + "nop\n\t" \ + "nop\n\t"); \ + } \ + } while (0) + +#define APA102_SEND_BIT(byte, bit) \ + do { \ + writePin(RGB_DI_PIN, (byte >> bit) & 1); \ + io_wait; \ + writePinHigh(RGB_CI_PIN); \ + io_wait; \ + writePinLow(RGB_CI_PIN); \ + io_wait; \ + } while (0) + +uint8_t apa102_led_brightness = APA102_DEFAULT_BRIGHTNESS; + +void static apa102_start_frame(void); +void static apa102_end_frame(uint16_t num_leds); + +void static apa102_send_frame(uint8_t red, uint8_t green, uint8_t blue, uint8_t brightness); +void static apa102_send_byte(uint8_t byte); + +void apa102_setleds(LED_TYPE *start_led, uint16_t num_leds) { + LED_TYPE *end = start_led + num_leds; + + apa102_start_frame(); + for (LED_TYPE *led = start_led; led < end; led++) { + apa102_send_frame(led->r, led->g, led->b, apa102_led_brightness); + } + apa102_end_frame(num_leds); +} + +// Overwrite the default rgblight_call_driver to use apa102 driver +void rgblight_call_driver(LED_TYPE *start_led, uint8_t num_leds) { apa102_setleds(start_led, num_leds); } + +void static apa102_init(void) { + setPinOutput(RGB_DI_PIN); + setPinOutput(RGB_CI_PIN); + + writePinLow(RGB_DI_PIN); + writePinLow(RGB_CI_PIN); +} + +void apa102_set_brightness(uint8_t brightness) { + if (brightness > APA102_MAX_BRIGHTNESS) { + apa102_led_brightness = APA102_MAX_BRIGHTNESS; + } else if (brightness < 0) { + apa102_led_brightness = 0; + } else { + apa102_led_brightness = brightness; + } +} + +void static apa102_send_frame(uint8_t red, uint8_t green, uint8_t blue, uint8_t brightness) { + apa102_send_byte(0b11100000 | brightness); + apa102_send_byte(blue); + apa102_send_byte(green); + apa102_send_byte(red); +} + +void static apa102_start_frame(void) { + apa102_init(); + for (uint16_t i = 0; i < 4; i++) { + apa102_send_byte(0); + } +} + +void static apa102_end_frame(uint16_t num_leds) { + // This function has been taken from: https://github.com/pololu/apa102-arduino/blob/master/APA102.h + // and adapted. The code is MIT licensed. I think thats compatible? + // + // The data stream seen by the last LED in the chain will be delayed by + // (count - 1) clock edges, because each LED before it inverts the clock + // line and delays the data by one clock edge. Therefore, to make sure + // the last LED actually receives the data we wrote, the number of extra + // edges we send at the end of the frame must be at least (count - 1). + // + // Assuming we only want to send these edges in groups of size K, the + // C/C++ expression for the minimum number of groups to send is: + // + // ((count - 1) + (K - 1)) / K + // + // The C/C++ expression above is just (count - 1) divided by K, + // rounded up to the nearest whole number if there is a remainder. + // + // We set K to 16 and use the formula above as the number of frame-end + // bytes to transfer. Each byte has 16 clock edges. + // + // We are ignoring the specification for the end frame in the APA102 + // datasheet, which says to send 0xFF four times, because it does not work + // when you have 66 LEDs or more, and also it results in unwanted white + // pixels if you try to update fewer LEDs than are on your LED strip. + uint16_t iterations = (num_leds + 14) / 16; + for (uint16_t i = 0; i < iterations; i++) { + apa102_send_byte(0); + } + + apa102_init(); +} + +void static apa102_send_byte(uint8_t byte) { + APA102_SEND_BIT(byte, 7); + APA102_SEND_BIT(byte, 6); + APA102_SEND_BIT(byte, 5); + APA102_SEND_BIT(byte, 4); + APA102_SEND_BIT(byte, 3); + APA102_SEND_BIT(byte, 2); + APA102_SEND_BIT(byte, 1); + APA102_SEND_BIT(byte, 0); +} diff --git a/drivers/avr/apa102.h b/drivers/apa102/apa102.h index d4c1e18ee1..58cf020c1e 100644 --- a/drivers/avr/apa102.h +++ b/drivers/apa102/apa102.h @@ -1,10 +1,5 @@ -/* - * light weight WS2812 lib include - * - * Version 2.3 - Nev 29th 2015 - * Author: Tim (cpldcpu@gmail.com) - * - * Please do not change this file! All configuration is handled in "ws2812_config.h" +/* Copyright 2020 Aldehir Rojas + * Copyright 2017 Mikkel (Duckle29) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -22,24 +17,25 @@ #pragma once -#include <avr/io.h> -#include <avr/interrupt.h> - #include "color.h" +#ifndef APA102_DEFAULT_BRIGHTNESS +# define APA102_DEFAULT_BRIGHTNESS 31 +#endif + +#define APA102_MAX_BRIGHTNESS 31 + +extern uint8_t apa102_led_brightness; + /* User Interface * * Input: - * ledarray: An array of GRB data describing the LED colors - * number_of_leds: The number of LEDs to write - * pinmask (optional): Bitmask describing the output bin. e.g. _BV(PB0) + * start_led: An array of GRB data describing the LED colors + * num_leds: The number of LEDs to write * * The functions will perform the following actions: * - Set the data-out pin as output * - Send out the LED data - * - Wait 50�s to reset the LEDs */ - -void apa102_setleds(LED_TYPE *ledarray, uint16_t number_of_leds); -void apa102_setleds_pin(LED_TYPE *ledarray, uint16_t number_of_leds, uint8_t pinmask); -void apa102_setleds_rgbw(LED_TYPE *ledarray, uint16_t number_of_leds); +void apa102_setleds(LED_TYPE *start_led, uint16_t num_leds); +void apa102_set_brightness(uint8_t brightness); diff --git a/drivers/avr/apa102.c b/drivers/avr/apa102.c deleted file mode 100644 index 740acb5739..0000000000 --- a/drivers/avr/apa102.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * APA102 lib V1.0a - * - * Controls APA102 RGB-LEDs - * Author: Mikkel (Duckle29 on GitHub) - * - * Dec 22th, 2017 v1.0a Initial Version - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "apa102.h" -#include <avr/interrupt.h> -#include <avr/io.h> -#include <util/delay.h> -#include "debug.h" - -// Setleds for standard RGB -void inline apa102_setleds(LED_TYPE *ledarray, uint16_t leds) { apa102_setleds_pin(ledarray, leds, _BV(RGB_DI_PIN & 0xF), _BV(RGB_CLK_PIN & 0xF)); } - -void static inline apa102_setleds_pin(LED_TYPE *ledarray, uint16_t leds, uint8_t pinmask_DI, uint8_t pinmask_CLK) { - setPinOutput(RGB_DI_PIN); - setPinOutput(RGB_CLK_PIN); - - apa102_send_array((uint8_t *)ledarray, leds) -} - -void apa102_send_array(uint8_t *data, uint16_t leds) { // Data is struct of 3 bytes. RGB - leds is number of leds in data - apa102_start_frame(); - while (leds--) { - apa102_send_frame(0xFF000000 | (data->b << 16) | (data->g << 8) | data->r); - data++; - } - apa102_end_frame(leds); -} - -void apa102_send_frame(uint32_t frame) { - for (uint32_t i = 0xFF; i > 0;) { - apa102_send_byte(frame & i); - i = i << 8; - } -} - -void apa102_start_frame() { apa102_send_frame(0); } - -void apa102_end_frame(uint16_t leds) { - // This function has been taken from: https://github.com/pololu/apa102-arduino/blob/master/APA102.h - // and adapted. The code is MIT licensed. I think thats compatible? - - // We need to send some more bytes to ensure that all the LEDs in the - // chain see their new color and start displaying it. - // - // The data stream seen by the last LED in the chain will be delayed by - // (count - 1) clock edges, because each LED before it inverts the clock - // line and delays the data by one clock edge. Therefore, to make sure - // the last LED actually receives the data we wrote, the number of extra - // edges we send at the end of the frame must be at least (count - 1). - // For the APA102C, that is sufficient. - // - // The SK9822 only updates after it sees 32 zero bits followed by one more - // rising edge. To avoid having the update time depend on the color of - // the last LED, we send a dummy 0xFF byte. (Unfortunately, this means - // that partial updates of the beginning of an LED strip are not possible; - // the LED after the last one you are trying to update will be black.) - // After that, to ensure that the last LED in the chain sees 32 zero bits - // and a rising edge, we need to send at least 65 + (count - 1) edges. It - // is sufficent and simpler to just send (5 + count/16) bytes of zeros. - // - // We are ignoring the specification for the end frame in the APA102/SK9822 - // datasheets because it does not actually ensure that all the LEDs will - // start displaying their new colors right away. - - apa102_send_byte(0xFF); - for (uint16_t i = 0; i < 5 + leds / 16; i++) { - apa102_send_byte(0); - } -} - -void apa102_send_byte(uint8_t byte) { - uint8_t i; - for (i = 0; i < 8; i++) { - writePin(RGB_DI_PIN, !!(byte & (1 << (7 - i)))); - writePinHigh(RGB_CLK_PIN); - } -} diff --git a/drivers/avr/serial.c b/drivers/avr/serial.c index 526a0946b2..3647bee0d3 100644 --- a/drivers/avr/serial.c +++ b/drivers/avr/serial.c @@ -20,7 +20,7 @@ #ifdef SOFT_SERIAL_PIN -# if !(defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) +# if !(defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB162__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) # error serial.c is not supported for the currently selected MCU # endif // if using ATmega32U4/2, AT90USBxxx I2C, can not use PD0 and PD1 in soft serial. @@ -52,8 +52,8 @@ # define EICRx EICRA # endif -// ATmegaxxU2 specific config -# if defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega32U2__) +// ATmegaxxU2/AT90USB162 specific config +# if defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega32U2__) || defined(__AVR_AT90USB162__) // PD4(INT5), PD6(INT6), PD7(INT7), PC7(INT4) # if SOFT_SERIAL_PIN == D4 # define EIMSK_BIT _BV(INT5) diff --git a/drivers/avr/spi_master.c b/drivers/avr/spi_master.c index cbec9f36e1..19ca0ced44 100644 --- a/drivers/avr/spi_master.c +++ b/drivers/avr/spi_master.c @@ -20,7 +20,7 @@ #include "quantum.h" #include "timer.h" -#if defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) +#if defined(__AVR_AT90USB162__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) # define SPI_SCK_PIN B1 # define SPI_MOSI_PIN B2 # define SPI_MISO_PIN B3 diff --git a/drivers/avr/spi_master.h b/drivers/avr/spi_master.h index e36a7c21c0..9203698dd5 100644 --- a/drivers/avr/spi_master.h +++ b/drivers/avr/spi_master.h @@ -21,7 +21,7 @@ typedef int16_t spi_status_t; // Hardware SS pin is defined in the header so that user code can refer to it -#if defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) +#if defined(__AVR_AT90USB162__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) # define SPI_SS_PIN B0 #elif defined(__AVR_ATmega32A__) # define SPI_SS_PIN B4 diff --git a/drivers/avr/uart.c b/drivers/avr/uart.c new file mode 100644 index 0000000000..c6abcb6fe0 --- /dev/null +++ b/drivers/avr/uart.c @@ -0,0 +1,170 @@ +/* UART Example for Teensy USB Development Board + * http://www.pjrc.com/teensy/ + * Copyright (c) 2009 PJRC.COM, LLC + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +// Version 1.0: Initial Release +// Version 1.1: Add support for Teensy 2.0, minor optimizations + +#include <avr/io.h> +#include <avr/interrupt.h> + +#include "uart.h" + +#if defined(__AVR_AT90USB162__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) +# define UDRn UDR1 +# define UBRRnL UBRR1L +# define UCSRnA UCSR1A +# define UCSRnB UCSR1B +# define UCSRnC UCSR1C +# define U2Xn U2X1 +# define RXENn RXEN1 +# define TXENn TXEN1 +# define RXCIEn RXCIE1 +# define UCSZn1 UCSZ11 +# define UCSZn0 UCSZ10 +# define UDRIEn UDRIE1 +# define USARTn_UDRE_vect USART1_UDRE_vect +# define USARTn_RX_vect USART1_RX_vect +#elif defined(__AVR_ATmega32A__) +# define UDRn UDR +# define UBRRnL UBRRL +# define UCSRnA UCSRA +# define UCSRnB UCSRB +# define UCSRnC UCSRC +# define U2Xn U2X +# define RXENn RXEN +# define TXENn TXEN +# define RXCIEn RXCIE +# define UCSZn1 UCSZ1 +# define UCSZn0 UCSZ0 +# define UDRIEn UDRIE +# define USARTn_UDRE_vect USART_UDRE_vect +# define USARTn_RX_vect USART_RX_vect +#elif defined(__AVR_ATmega328__) || defined(__AVR_ATmega328P__) +# define UDRn UDR0 +# define UBRRnL UBRR0L +# define UCSRnA UCSR0A +# define UCSRnB UCSR0B +# define UCSRnC UCSR0C +# define U2Xn U2X0 +# define RXENn RXEN0 +# define TXENn TXEN0 +# define RXCIEn RXCIE0 +# define UCSZn1 UCSZ01 +# define UCSZn0 UCSZ00 +# define UDRIEn UDRIE0 +# define USARTn_UDRE_vect USART_UDRE_vect +# define USARTn_RX_vect USART_RX_vect +#endif + +// These buffers may be any size from 2 to 256 bytes. +#define RX_BUFFER_SIZE 64 +#define TX_BUFFER_SIZE 256 + +static volatile uint8_t tx_buffer[TX_BUFFER_SIZE]; +static volatile uint8_t tx_buffer_head; +static volatile uint8_t tx_buffer_tail; +static volatile uint8_t rx_buffer[RX_BUFFER_SIZE]; +static volatile uint8_t rx_buffer_head; +static volatile uint8_t rx_buffer_tail; + +// Initialize the UART +void uart_init(uint32_t baud) { + cli(); + UBRRnL = (F_CPU / 4 / baud - 1) / 2; + UCSRnA = (1 << U2Xn); + UCSRnB = (1 << RXENn) | (1 << TXENn) | (1 << RXCIEn); + UCSRnC = (1 << UCSZn1) | (1 << UCSZn0); + tx_buffer_head = tx_buffer_tail = 0; + rx_buffer_head = rx_buffer_tail = 0; + sei(); +} + +// Transmit a byte +void uart_putchar(uint8_t c) { + uint8_t i; + + i = tx_buffer_head + 1; + if (i >= TX_BUFFER_SIZE) i = 0; + // return immediately to avoid deadlock when interrupt is disabled(called from ISR) + if (tx_buffer_tail == i && (SREG & (1 << SREG_I)) == 0) return; + while (tx_buffer_tail == i) + ; // wait until space in buffer + // cli(); + tx_buffer[i] = c; + tx_buffer_head = i; + UCSRnB = (1 << RXENn) | (1 << TXENn) | (1 << RXCIEn) | (1 << UDRIEn); + // sei(); +} + +// Receive a byte +uint8_t uart_getchar(void) { + uint8_t c, i; + + while (rx_buffer_head == rx_buffer_tail) + ; // wait for character + i = rx_buffer_tail + 1; + if (i >= RX_BUFFER_SIZE) i = 0; + c = rx_buffer[i]; + rx_buffer_tail = i; + return c; +} + +// Return whether the number of bytes waiting in the receive buffer is nonzero. +// Call this before uart_getchar() to check if it will need +// to wait for a byte to arrive. +bool uart_available(void) { + uint8_t head, tail; + + head = rx_buffer_head; + tail = rx_buffer_tail; + if (head >= tail) return (head - tail) > 0; + return (RX_BUFFER_SIZE + head - tail) > 0; +} + +// Transmit Interrupt +ISR(USARTn_UDRE_vect) { + uint8_t i; + + if (tx_buffer_head == tx_buffer_tail) { + // buffer is empty, disable transmit interrupt + UCSRnB = (1 << RXENn) | (1 << TXENn) | (1 << RXCIEn); + } else { + i = tx_buffer_tail + 1; + if (i >= TX_BUFFER_SIZE) i = 0; + UDRn = tx_buffer[i]; + tx_buffer_tail = i; + } +} + +// Receive Interrupt +ISR(USARTn_RX_vect) { + uint8_t c, i; + + c = UDRn; + i = rx_buffer_head + 1; + if (i >= RX_BUFFER_SIZE) i = 0; + if (i != rx_buffer_tail) { + rx_buffer[i] = c; + rx_buffer_head = i; + } +} diff --git a/drivers/avr/uart.h b/drivers/avr/uart.h new file mode 100644 index 0000000000..602eb3d8b0 --- /dev/null +++ b/drivers/avr/uart.h @@ -0,0 +1,35 @@ +/* UART Example for Teensy USB Development Board + * http://www.pjrc.com/teensy/ + * Copyright (c) 2009 PJRC.COM, LLC + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#pragma once + +#include <stdint.h> +#include <stdbool.h> + +void uart_init(uint32_t baud); + +void uart_putchar(uint8_t c); + +uint8_t uart_getchar(void); + +bool uart_available(void); diff --git a/drivers/chibios/serial_usart.c b/drivers/chibios/serial_usart.c index a3e21f90bc..7c81b16464 100644 --- a/drivers/chibios/serial_usart.c +++ b/drivers/chibios/serial_usart.c @@ -58,7 +58,10 @@ # error invalid SELECT_SOFT_SERIAL_SPEED value #endif -#define TIMEOUT 100 +#ifndef SERIAL_USART_TIMEOUT +# define SERIAL_USART_TIMEOUT 100 +#endif + #define HANDSHAKE_MAGIC 7 static inline msg_t sdWriteHalfDuplex(SerialDriver* driver, uint8_t* data, uint8_t size) { @@ -201,21 +204,21 @@ int soft_serial_transaction(int index) { sdClear(&SERIAL_USART_DRIVER); // First chunk is always transaction id - sdWriteTimeout(&SERIAL_USART_DRIVER, &sstd_index, sizeof(sstd_index), TIME_MS2I(TIMEOUT)); + sdWriteTimeout(&SERIAL_USART_DRIVER, &sstd_index, sizeof(sstd_index), TIME_MS2I(SERIAL_USART_TIMEOUT)); uint8_t sstd_index_shake = 0xFF; // Which we always read back first so that we can error out correctly // - due to the half duplex limitations on return codes, we always have to read *something* // - without the read, write only transactions *always* succeed, even during the boot process where the slave is not ready - res = sdReadTimeout(&SERIAL_USART_DRIVER, &sstd_index_shake, sizeof(sstd_index_shake), TIME_MS2I(TIMEOUT)); + res = sdReadTimeout(&SERIAL_USART_DRIVER, &sstd_index_shake, sizeof(sstd_index_shake), TIME_MS2I(SERIAL_USART_TIMEOUT)); if (res < 0 || (sstd_index_shake != (sstd_index ^ HANDSHAKE_MAGIC))) { dprintf("serial::usart_shake NO_RESPONSE\n"); return TRANSACTION_NO_RESPONSE; } if (trans->initiator2target_buffer_size) { - res = sdWriteTimeout(&SERIAL_USART_DRIVER, trans->initiator2target_buffer, trans->initiator2target_buffer_size, TIME_MS2I(TIMEOUT)); + res = sdWriteTimeout(&SERIAL_USART_DRIVER, trans->initiator2target_buffer, trans->initiator2target_buffer_size, TIME_MS2I(SERIAL_USART_TIMEOUT)); if (res < 0) { dprintf("serial::usart_transmit NO_RESPONSE\n"); return TRANSACTION_NO_RESPONSE; @@ -223,7 +226,7 @@ int soft_serial_transaction(int index) { } if (trans->target2initiator_buffer_size) { - res = sdReadTimeout(&SERIAL_USART_DRIVER, trans->target2initiator_buffer, trans->target2initiator_buffer_size, TIME_MS2I(TIMEOUT)); + res = sdReadTimeout(&SERIAL_USART_DRIVER, trans->target2initiator_buffer, trans->target2initiator_buffer_size, TIME_MS2I(SERIAL_USART_TIMEOUT)); if (res < 0) { dprintf("serial::usart_receive NO_RESPONSE\n"); return TRANSACTION_NO_RESPONSE; diff --git a/drivers/chibios/uart.c b/drivers/chibios/uart.c new file mode 100644 index 0000000000..030335b342 --- /dev/null +++ b/drivers/chibios/uart.c @@ -0,0 +1,50 @@ +/* Copyright 2021 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "uart.h" + +#include "quantum.h" + +static SerialConfig serialConfig = {SERIAL_DEFAULT_BITRATE, SD1_CR1, SD1_CR2, SD1_CR3}; + +void uart_init(uint32_t baud) { + static bool is_initialised = false; + + if (!is_initialised) { + is_initialised = true; + + serialConfig.speed = baud; + +#if defined(USE_GPIOV1) + palSetLineMode(SD1_TX_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN); + palSetLineMode(SD1_RX_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN); +#else + palSetLineMode(SD1_TX_PIN, PAL_MODE_ALTERNATE(SD1_TX_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN); + palSetLineMode(SD1_RX_PIN, PAL_MODE_ALTERNATE(SD1_RX_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN); +#endif + sdStart(&SERIAL_DRIVER, &serialConfig); + } +} + +void uart_putchar(uint8_t c) { sdPut(&SERIAL_DRIVER, c); } + +uint8_t uart_getchar(void) { + msg_t res = sdGet(&SERIAL_DRIVER); + + return (uint8_t)res; +} + +bool uart_available(void) { return !sdGetWouldBlock(&SERIAL_DRIVER); } diff --git a/drivers/chibios/uart.h b/drivers/chibios/uart.h new file mode 100644 index 0000000000..b4e20e9fd3 --- /dev/null +++ b/drivers/chibios/uart.h @@ -0,0 +1,77 @@ +/* Copyright 2021 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#pragma once + +#include <stdint.h> + +#include <hal.h> + +#ifndef SERIAL_DRIVER +# define SERIAL_DRIVER SD1 +#endif + +#ifndef SD1_TX_PIN +# define SD1_TX_PIN A9 +#endif + +#ifndef SD1_TX_PAL_MODE +# define SD1_TX_PAL_MODE 7 +#endif + +#ifndef SD1_RX_PIN +# define SD1_RX_PIN A10 +#endif + +#ifndef SD1_RX_PAL_MODE +# define SD1_RX_PAL_MODE 7 +#endif + +#ifndef SD1_CTS_PIN +# define SD1_CTS_PIN A11 +#endif + +#ifndef SD1_CTS_PAL_MODE +# define SD1_CTS_PAL_MODE 7 +#endif + +#ifndef SD1_RTS_PIN +# define SD1_RTS_PIN A12 +#endif + +#ifndef SD1_RTS_PAL_MODE +# define SD1_RTS_PAL_MODE 7 +#endif + +#ifndef SD1_CR1 +# define SD1_CR1 0 +#endif + +#ifndef SD1_CR2 +# define SD1_CR2 0 +#endif + +#ifndef SD1_CR3 +# define SD1_CR3 0 +#endif + +void uart_init(uint32_t baud); + +void uart_putchar(uint8_t c); + +uint8_t uart_getchar(void); + +bool uart_available(void); diff --git a/drivers/chibios/usbpd_stm32g4.c b/drivers/chibios/usbpd_stm32g4.c new file mode 100644 index 0000000000..f16ca8aeae --- /dev/null +++ b/drivers/chibios/usbpd_stm32g4.c @@ -0,0 +1,76 @@ +/* Copyright 2021 Nick Brassel (@tzarc) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <quantum.h> + +#ifndef USBPD_UCPD1_CFG1 +# define USBPD_UCPD1_CFG1 (UCPD_CFG1_PSC_UCPDCLK_0 | UCPD_CFG1_TRANSWIN_3 | UCPD_CFG1_IFRGAP_4 | UCPD_CFG1_HBITCLKDIV_4) +#endif // USBPD_UCPD1_CFG1 + +// Initialises the USBPD subsystem +__attribute__((weak)) void usbpd_init(void) { + // Disable dead-battery signals + PWR->CR3 |= PWR_CR3_UCPD_DBDIS; + // Enable the clock for the UCPD1 peripheral + RCC->APB1ENR2 |= RCC_APB1ENR2_UCPD1EN; + + // Copy the existing value + uint32_t CFG1 = UCPD1->CFG1; + // Force-disable UCPD1 before configuring + CFG1 &= ~UCPD_CFG1_UCPDEN; + // Configure UCPD1 + CFG1 = USBPD_UCPD1_CFG1; + // Apply the changes + UCPD1->CFG1 = CFG1; + // Enable UCPD1 + UCPD1->CFG1 |= UCPD_CFG1_UCPDEN; + + // Copy the existing value + uint32_t CR = UCPD1->CR; + // Clear out ANASUBMODE (irrelevant as a sink device) + CR &= ~UCPD_CR_ANASUBMODE_Msk; + // Advertise our capabilities as a sink, with both CC lines enabled + CR |= UCPD_CR_ANAMODE | UCPD_CR_CCENABLE_Msk; + // Apply the changes + UCPD1->CR = CR; +} + +// Gets the current state of the USBPD allowance +__attribute__((weak)) usbpd_allowance_t usbpd_get_allowance(void) { + uint32_t CR = UCPD1->CR; + + int ucpd_enabled = (UCPD1->CFG1 & UCPD_CFG1_UCPDEN_Msk) >> UCPD_CFG1_UCPDEN_Pos; + int anamode = (CR & UCPD_CR_ANAMODE_Msk) >> UCPD_CR_ANAMODE_Pos; + int cc_enabled = (CR & UCPD_CR_CCENABLE_Msk) >> UCPD_CR_CCENABLE_Pos; + + if (ucpd_enabled && anamode && cc_enabled) { + uint32_t SR = UCPD1->SR; + int vstate_cc1 = (SR & UCPD_SR_TYPEC_VSTATE_CC1_Msk) >> UCPD_SR_TYPEC_VSTATE_CC1_Pos; + int vstate_cc2 = (SR & UCPD_SR_TYPEC_VSTATE_CC2_Msk) >> UCPD_SR_TYPEC_VSTATE_CC2_Pos; + int vstate_max = vstate_cc1 > vstate_cc2 ? vstate_cc1 : vstate_cc2; + switch (vstate_max) { + case 0: + case 1: + return USBPD_500MA; // Note that this is 500mA (i.e. max USB 2.0), not 900mA, as we're not using USB 3.1 as a sink device. + case 2: + return USBPD_1500MA; + case 3: + return USBPD_3000MA; + } + } + + return USBPD_500MA; +}
\ No newline at end of file diff --git a/drivers/qwiic/qwiic.mk b/drivers/qwiic/qwiic.mk index b23c25657d..164bd72108 100644 --- a/drivers/qwiic/qwiic.mk +++ b/drivers/qwiic/qwiic.mk @@ -1,16 +1,17 @@ -ifneq ($(strip $(QWIIC_ENABLE)),) +ifeq ($(strip $(QWIIC_ENABLE)),yes) COMMON_VPATH += $(DRIVER_PATH)/qwiic OPT_DEFS += -DQWIIC_ENABLE SRC += qwiic.c QUANTUM_LIB_SRC += i2c_master.c -endif -ifneq ($(filter JOYSTIIC, $(QWIIC_ENABLE)),) +ifneq ($(filter JOYSTIIC, $(QWIIC_DRIVERS)),) OPT_DEFS += -DQWIIC_JOYSTIIC_ENABLE SRC += joystiic.c endif -ifneq ($(filter MICRO_OLED, $(QWIIC_ENABLE)),) +ifneq ($(filter MICRO_OLED, $(QWIIC_DRIVERS)),) OPT_DEFS += -DQWIIC_MICRO_OLED_ENABLE SRC += micro_oled.c endif + +endif diff --git a/drivers/usbpd.h b/drivers/usbpd.h new file mode 100644 index 0000000000..df4f29bb9d --- /dev/null +++ b/drivers/usbpd.h @@ -0,0 +1,29 @@ +/* Copyright 2021 Nick Brassel (@tzarc) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#pragma once + +typedef enum { + USBPD_500MA, + USBPD_1500MA, + USBPD_3000MA, +} usbpd_allowance_t; + +// Initialises the USBPD subsystem +void usbpd_init(void); + +// Gets the current state of the USBPD allowance +usbpd_allowance_t usbpd_get_allowance(void);
\ No newline at end of file |