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-rw-r--r--drivers/apa102/apa102.c151
-rw-r--r--drivers/apa102/apa102.h (renamed from drivers/avr/apa102.h)32
-rw-r--r--drivers/avr/apa102.c96
-rw-r--r--drivers/chibios/serial_usart.c13
-rw-r--r--drivers/qwiic/qwiic.mk9
5 files changed, 178 insertions, 123 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/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/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
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 05:36:19 +0000