diff options
Diffstat (limited to 'drivers')
28 files changed, 2416 insertions, 138 deletions
diff --git a/drivers/gpio/sn74x154.c b/drivers/gpio/sn74x154.c new file mode 100644 index 0000000000..5f21f12b55 --- /dev/null +++ b/drivers/gpio/sn74x154.c @@ -0,0 +1,58 @@ +/* Copyright 2022 + * + * 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 "sn74x154.h" +#include "gpio.h" + +#define ADDRESS_PIN_COUNT 4 + +#ifndef SN74X154_ADDRESS_PINS +# error sn74x154: no address pins defined! +#endif + +static const pin_t address_pins[ADDRESS_PIN_COUNT] = SN74X154_ADDRESS_PINS; + +void sn74x154_init(void) { + for (int i = 0; i < ADDRESS_PIN_COUNT; i++) { + setPinOutput(address_pins[i]); + writePinLow(address_pins[i]); + } + +#if defined(SN74X154_E0_PIN) + setPinOutput(SN74X154_E0_PIN); + writePinHigh(SN74X154_E0_PIN); +#endif + +#if defined(SN74X154_E1_PIN) + setPinOutput(SN74X154_E1_PIN); + writePinHigh(SN74X154_E1_PIN); +#endif +} + +void sn74x154_set_enabled(bool enabled) { +#if defined(SN74X154_E0_PIN) + writePin(SN74X154_E0_PIN, !enabled); +#endif +#if defined(SN74X154_E1_PIN) + writePin(SN74X154_E1_PIN, !enabled); +#endif +} + +void sn74x154_set_addr(uint8_t address) { + for (int i = 0; i < ADDRESS_PIN_COUNT; i++) { + writePin(address_pins[i], address & (1 << i)); + } +} diff --git a/drivers/gpio/sn74x154.h b/drivers/gpio/sn74x154.h new file mode 100644 index 0000000000..ce6a9ddb0e --- /dev/null +++ b/drivers/gpio/sn74x154.h @@ -0,0 +1,48 @@ +/* Copyright 2022 + * + * 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 + +#include <stdint.h> +#include <stdbool.h> + +/** + * Driver for 74x154 4-to-16 decoder/demultiplexer with inverting outputs + * https://assets.nexperia.com/documents/data-sheet/74HC_HCT154.pdf + */ + +/** + * Initialize the address and output enable pins. + */ +void sn74x154_init(void); + +/** + * Set the enabled state. + * + * When enabled is true, pulls the E0 and E1 pins low. + * + * \param enabled The enable state to set. + */ +void sn74x154_set_enabled(bool enabled); + +/** + * Set the output pin address. + * + * The selected output pin will be pulled low, while the remaining output pins will be high. + * + * \param address The address to set, from 0 to 15. + */ +void sn74x154_set_addr(uint8_t address); diff --git a/drivers/haptic/solenoid.c b/drivers/haptic/solenoid.c index 14d868bffe..637a77da3d 100644 --- a/drivers/haptic/solenoid.c +++ b/drivers/haptic/solenoid.c @@ -20,11 +20,22 @@ #include "haptic.h" #include "gpio.h" #include "usb_device_state.h" - -bool solenoid_on = false; -bool solenoid_buzzing = false; -uint16_t solenoid_start = 0; -uint8_t solenoid_dwell = SOLENOID_DEFAULT_DWELL; +#include <stdlib.h> + +uint8_t solenoid_dwell = SOLENOID_DEFAULT_DWELL; +static pin_t solenoid_pads[] = SOLENOID_PINS; +#define NUMBER_OF_SOLENOIDS (sizeof(solenoid_pads) / sizeof(pin_t)) +bool solenoid_on[NUMBER_OF_SOLENOIDS] = {false}; +bool solenoid_buzzing[NUMBER_OF_SOLENOIDS] = {false}; +uint16_t solenoid_start[NUMBER_OF_SOLENOIDS] = {0}; +#ifdef SOLENOID_PIN_ACTIVE_LOW +# define low true +# define high false +#else +# define low false +# define high true +#endif +static bool solenoid_active_state[NUMBER_OF_SOLENOIDS]; extern haptic_config_t haptic_config; @@ -36,7 +47,7 @@ void solenoid_buzz_off(void) { haptic_set_buzz(0); } -void solenoid_set_buzz(int buzz) { +void solenoid_set_buzz(uint8_t buzz) { haptic_set_buzz(buzz); } @@ -44,59 +55,121 @@ void solenoid_set_dwell(uint8_t dwell) { solenoid_dwell = dwell; } -void solenoid_stop(void) { - SOLENOID_PIN_WRITE_INACTIVE(); - solenoid_on = false; - solenoid_buzzing = false; +/** + * @brief Stops a specific solenoid + * + * @param index select which solenoid to check/stop + */ +void solenoid_stop(uint8_t index) { + writePin(solenoid_pads[index], !solenoid_active_state[index]); + solenoid_on[index] = false; + solenoid_buzzing[index] = false; } -void solenoid_fire(void) { - if (!haptic_config.buzz && solenoid_on) return; - if (haptic_config.buzz && solenoid_buzzing) return; +/** + * @brief Fires off a specific solenoid + * + * @param index Selects which solenoid to fire + */ +void solenoid_fire(uint8_t index) { + if (!haptic_config.buzz && solenoid_on[index]) return; + if (haptic_config.buzz && solenoid_buzzing[index]) return; + + solenoid_on[index] = true; + solenoid_buzzing[index] = true; + solenoid_start[index] = timer_read(); + writePin(solenoid_pads[index], solenoid_active_state[index]); +} - solenoid_on = true; - solenoid_buzzing = true; - solenoid_start = timer_read(); - SOLENOID_PIN_WRITE_ACTIVE(); +/** + * @brief Handles selecting a non-active solenoid, and firing it. + * + */ +void solenoid_fire_handler(void) { +#ifndef SOLENOID_RANDOM_FIRE + if (NUMBER_OF_SOLENOIDS > 1) { + uint8_t i = rand() % NUMBER_OF_SOLENOIDS; + if (!solenoid_on[i]) { + solenoid_fire(i); + } + } else { + solenoid_fire(0); + } +#else + for (uint8_t i = 0; i < NUMBER_OF_SOLENOIDS; i++) { + if (!solenoid_on[i]) { + solenoid_fire(i); + break; + } + } +#endif } +/** + * @brief Checks active solenoid to stop them, and to handle buzz mode + * + */ void solenoid_check(void) { - uint16_t elapsed = 0; + uint16_t elapsed[NUMBER_OF_SOLENOIDS] = {0}; - if (!solenoid_on) return; + for (uint8_t i = 0; i < NUMBER_OF_SOLENOIDS; i++) { + if (!solenoid_on[i]) continue; - elapsed = timer_elapsed(solenoid_start); + elapsed[i] = timer_elapsed(solenoid_start[i]); - // Check if it's time to finish this solenoid click cycle - if (elapsed > solenoid_dwell) { - solenoid_stop(); - return; - } + // Check if it's time to finish this solenoid click cycle + if (elapsed[i] > solenoid_dwell) { + solenoid_stop(i); + continue; + } - // Check whether to buzz the solenoid on and off - if (haptic_config.buzz) { - if ((elapsed % (SOLENOID_BUZZ_ACTUATED + SOLENOID_BUZZ_NONACTUATED)) < SOLENOID_BUZZ_ACTUATED) { - if (!solenoid_buzzing) { - solenoid_buzzing = true; - SOLENOID_PIN_WRITE_ACTIVE(); - } - } else { - if (solenoid_buzzing) { - solenoid_buzzing = false; - SOLENOID_PIN_WRITE_INACTIVE(); + // Check whether to buzz the solenoid on and off + if (haptic_config.buzz) { + if ((elapsed[i] % (SOLENOID_BUZZ_ACTUATED + SOLENOID_BUZZ_NONACTUATED)) < SOLENOID_BUZZ_ACTUATED) { + if (!solenoid_buzzing[i]) { + solenoid_buzzing[i] = true; + writePin(solenoid_pads[i], solenoid_active_state[i]); + } + } else { + if (solenoid_buzzing[i]) { + solenoid_buzzing[i] = false; + writePin(solenoid_pads[i], !solenoid_active_state[i]); + } } } } } +/** + * @brief Initial configuration for solenoids + * + */ void solenoid_setup(void) { - SOLENOID_PIN_WRITE_INACTIVE(); - setPinOutput(SOLENOID_PIN); - if ((!HAPTIC_OFF_IN_LOW_POWER) || (usb_device_state == USB_DEVICE_STATE_CONFIGURED)) { - solenoid_fire(); +#ifdef SOLENOID_PINS_ACTIVE_STATE + bool state_temp[] = SOLENOID_PINS_ACTIVE_STATE; + uint8_t bound_check = (sizeof(state_temp) / sizeof(bool)); +#endif + + for (uint8_t i = 0; i < NUMBER_OF_SOLENOIDS; i++) { +#ifdef SOLENOID_PINS_ACTIVE_STATE + solenoid_active_state[i] = (bound_check - i) ? state_temp[i] : high; +#else + solenoid_active_state[i] = high; +#endif + writePin(solenoid_pads[i], !solenoid_active_state[i]); + setPinOutput(solenoid_pads[i]); + if ((!HAPTIC_OFF_IN_LOW_POWER) || (usb_device_state == USB_DEVICE_STATE_CONFIGURED)) { + solenoid_fire(i); + } } } +/** + * @brief stops solenoids prior to device reboot, to prevent them from being locked on + * + */ void solenoid_shutdown(void) { - SOLENOID_PIN_WRITE_INACTIVE(); + for (uint8_t i = 0; i < NUMBER_OF_SOLENOIDS; i++) { + writePin(solenoid_pads[i], !solenoid_active_state[i]); + } } diff --git a/drivers/haptic/solenoid.h b/drivers/haptic/solenoid.h index 653148154f..952f86e922 100644 --- a/drivers/haptic/solenoid.h +++ b/drivers/haptic/solenoid.h @@ -45,26 +45,24 @@ # define SOLENOID_BUZZ_NONACTUATED SOLENOID_MIN_DWELL #endif -#ifndef SOLENOID_PIN -# error SOLENOID_PIN not defined +#ifndef SOLENOID_PINS +# ifdef SOLENOID_PIN +# define SOLENOID_PINS \ + { SOLENOID_PIN } +# else +# error SOLENOID_PINS array not defined +# endif #endif -#ifdef SOLENOID_PIN_ACTIVE_LOW -# define SOLENOID_PIN_WRITE_ACTIVE() writePinLow(SOLENOID_PIN) -# define SOLENOID_PIN_WRITE_INACTIVE() writePinHigh(SOLENOID_PIN) -#else -# define SOLENOID_PIN_WRITE_ACTIVE() writePinHigh(SOLENOID_PIN) -# define SOLENOID_PIN_WRITE_INACTIVE() writePinLow(SOLENOID_PIN) -#endif - -void solenoid_buzz_on(void); +void solenoidbuzz_on(void); void solenoid_buzz_off(void); -void solenoid_set_buzz(int buzz); +void solenoid_set_buzz(uint8_t buzz); void solenoid_set_dwell(uint8_t dwell); -void solenoid_stop(void); -void solenoid_fire(void); +void solenoid_stop(uint8_t index); +void solenoid_fire(uint8_t index); +void solenoid_fire_handler(void); void solenoid_check(void); diff --git a/drivers/lcd/hd44780.c b/drivers/lcd/hd44780.c new file mode 100644 index 0000000000..c988ebe56c --- /dev/null +++ b/drivers/lcd/hd44780.c @@ -0,0 +1,284 @@ +/* +Copyright 2022 + +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 "hd44780.h" +#include "gpio.h" +#include "progmem.h" +#include "wait.h" + +#ifndef HD44780_DATA_PINS +# error hd44780: no data pins defined! +#endif + +#ifndef HD44780_RS_PIN +# error hd44780: no RS pin defined! +#endif + +#ifndef HD44780_RW_PIN +# error hd44780: no R/W pin defined! +#endif + +#ifndef HD44780_E_PIN +# error hd44780: no E pin defined! +#endif + +static const pin_t data_pins[4] = HD44780_DATA_PINS; + +#ifndef HD44780_DISPLAY_COLS +# define HD44780_DISPLAY_COLS 16 +#endif + +#ifndef HD44780_DISPLAY_LINES +# define HD44780_DISPLAY_LINES 2 +#endif + +#ifndef HD44780_DDRAM_LINE0_ADDR +# define HD44780_DDRAM_LINE0_ADDR 0x00 +#endif +#ifndef HD44780_DDRAM_LINE1_ADDR +# define HD44780_DDRAM_LINE1_ADDR 0x40 +#endif + +#define HD44780_INIT_DELAY_MS 16 +#define HD44780_ENABLE_DELAY_US 1 + +static void hd44780_latch(void) { + writePinHigh(HD44780_E_PIN); + wait_us(HD44780_ENABLE_DELAY_US); + writePinLow(HD44780_E_PIN); +} + +void hd44780_write(uint8_t data, bool isData) { + writePin(HD44780_RS_PIN, isData); + writePinLow(HD44780_RW_PIN); + + for (int i = 0; i < 4; i++) { + setPinOutput(data_pins[i]); + } + + // Write high nibble + for (int i = 0; i < 4; i++) { + writePin(data_pins[i], (data >> 4) & (1 << i)); + } + hd44780_latch(); + + // Write low nibble + for (int i = 0; i < 4; i++) { + writePin(data_pins[i], data & (1 << i)); + } + hd44780_latch(); + + for (int i = 0; i < 4; i++) { + writePinHigh(data_pins[i]); + } +} + +uint8_t hd44780_read(bool isData) { + uint8_t data = 0; + + writePin(HD44780_RS_PIN, isData); + writePinHigh(HD44780_RW_PIN); + + for (int i = 0; i < 4; i++) { + setPinInput(data_pins[i]); + } + + writePinHigh(HD44780_E_PIN); + wait_us(HD44780_ENABLE_DELAY_US); + + // Read high nibble + for (int i = 0; i < 4; i++) { + data |= (readPin(data_pins[i]) << i); + } + + data <<= 4; + + writePinLow(HD44780_E_PIN); + wait_us(HD44780_ENABLE_DELAY_US); + writePinHigh(HD44780_E_PIN); + wait_us(HD44780_ENABLE_DELAY_US); + + // Read low nibble + for (int i = 0; i < 4; i++) { + data |= (readPin(data_pins[i]) << i); + } + + writePinLow(HD44780_E_PIN); + + return data; +} + +bool hd44780_busy(void) { + return hd44780_read(false) & HD44780_BUSY_FLAG; +} + +void hd44780_command(uint8_t command) { + while (hd44780_busy()) + ; + hd44780_write(command, false); +} + +void hd44780_data(uint8_t data) { + while (hd44780_busy()) + ; + hd44780_write(data, true); +} + +void hd44780_clear(void) { + hd44780_command(HD44780_CMD_CLEAR_DISPLAY); +} + +void hd44780_home(void) { + hd44780_command(HD44780_CMD_RETURN_HOME); +} + +void hd44780_on(bool cursor, bool blink) { + if (cursor) { + if (blink) { + hd44780_command(HD44780_CMD_DISPLAY | HD44780_DISPLAY_ON | HD44780_DISPLAY_CURSOR | HD44780_DISPLAY_BLINK); + } else { + hd44780_command(HD44780_CMD_DISPLAY | HD44780_DISPLAY_ON | HD44780_DISPLAY_CURSOR); + } + } else { + hd44780_command(HD44780_CMD_DISPLAY | HD44780_DISPLAY_ON); + } +} + +void hd44780_off() { + hd44780_command(HD44780_CMD_DISPLAY); +} + +void hd44780_set_cgram_address(uint8_t address) { + hd44780_command(HD44780_CMD_SET_CGRAM_ADDRESS + (address & 0x3F)); +} + +void hd44780_set_ddram_address(uint8_t address) { + hd44780_command(HD44780_CMD_SET_DDRAM_ADDRESS + (address & 0x7F)); +} + +void hd44780_init(bool cursor, bool blink) { + setPinOutput(HD44780_RS_PIN); + setPinOutput(HD44780_RW_PIN); + setPinOutput(HD44780_E_PIN); + + for (int i = 0; i < 4; i++) { + setPinOutput(data_pins[i]); + } + + wait_ms(HD44780_INIT_DELAY_MS); + + // Manually configure for 4-bit mode - can't use hd44780_command() yet + // HD44780U datasheet, Fig. 24 (p46) + writePinHigh(data_pins[0]); // Function set + writePinHigh(data_pins[1]); // DL = 1 + hd44780_latch(); + wait_ms(5); + // Send again + hd44780_latch(); + wait_us(64); + // And again (?) + hd44780_latch(); + wait_us(64); + + writePinLow(data_pins[0]); // DL = 0 + hd44780_latch(); + wait_us(64); + +#if HD44780_DISPLAY_LINES == 1 + hd44780_command(HD44780_CMD_FUNCTION); // 4 bit, 1 line, 5x8 dots +#else + hd44780_command(HD44780_CMD_FUNCTION | HD44780_FUNCTION_2_LINES); // 4 bit, 2 lines, 5x8 dots +#endif + hd44780_on(cursor, blink); + hd44780_clear(); + hd44780_home(); + hd44780_command(HD44780_CMD_ENTRY_MODE | HD44780_ENTRY_MODE_INC); +} + +void hd44780_set_cursor(uint8_t col, uint8_t line) { + register uint8_t address = col; + +#if HD44780_DISPLAY_LINES == 1 + address += HD44780_DDRAM_LINE0_ADDR; +#elif HD44780_DISPLAY_LINES == 2 + if (line == 0) { + address += HD44780_DDRAM_LINE0_ADDR; + } else { + address += HD44780_DDRAM_LINE1_ADDR; + } +#endif + + hd44780_set_ddram_address(address); +} + +void hd44780_define_char(uint8_t index, uint8_t *data) { + hd44780_set_cgram_address((index & 0x7) << 3); + for (uint8_t i = 0; i < 8; i++) { + hd44780_data(data[i]); + } +} + +void hd44780_putc(char c) { + while (hd44780_busy()) + ; + uint8_t current_position = hd44780_read(false); + + if (c == '\n') { + hd44780_set_cursor(0, current_position < HD44780_DDRAM_LINE1_ADDR ? 1 : 0); + } else { +#if defined(HD44780_WRAP_LINES) +# if HD44780_DISPLAY_LINES == 1 + if (current_position == HD44780_DDRAM_LINE0_ADDR + HD44780_DISPLAY_COLS) { + // Go to start of line + hd44780_set_cursor(0, 0); + } +# elif HD44780_DISPLAY_LINES == 2 + if (current_position == HD44780_DDRAM_LINE0_ADDR + HD44780_DISPLAY_COLS) { + // Go to start of second line + hd44780_set_cursor(0, 1); + } else if (current_position == HD44780_DDRAM_LINE1_ADDR + HD44780_DISPLAY_COLS) { + // Go to start of first line + hd44780_set_cursor(0, 0); + } +# endif +#endif + hd44780_data(c); + } +} + +void hd44780_puts(const char *s) { + register char c; + while ((c = *s++)) { + hd44780_putc(c); + } +} + +#if defined(__AVR__) +void hd44780_define_char_P(uint8_t index, const uint8_t *data) { + hd44780_set_cgram_address(index << 3); + for (uint8_t i = 0; i < 8; i++) { + hd44780_data(pgm_read_byte(data++)); + } +} + +void hd44780_puts_P(const char *s) { + register char c; + while ((c = pgm_read_byte(s++))) { + hd44780_putc(c); + } +} +#endif diff --git a/drivers/lcd/hd44780.h b/drivers/lcd/hd44780.h new file mode 100644 index 0000000000..9e43339344 --- /dev/null +++ b/drivers/lcd/hd44780.h @@ -0,0 +1,220 @@ +/* +Copyright 2022 + +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 + +#include <stdint.h> +#include <stdbool.h> + +/** + * \defgroup hd44780 + * + * HD44780 Character LCD Driver + * \{ + */ + +/* + * HD44780 instructions + * https://www.sparkfun.com/datasheets/LCD/HD44780.pdf + * Table 6 (p24) + */ +// Clear display +#define HD44780_CMD_CLEAR_DISPLAY 0x01 +// Return home +#define HD44780_CMD_RETURN_HOME 0x02 +// Entry mode set +#define HD44780_CMD_ENTRY_MODE 0x04 +#define HD44780_ENTRY_MODE_INC 0x02 // I/D +#define HD44780_ENTRY_MODE_SHIFT 0x01 // S +// Display on/off control +#define HD44780_CMD_DISPLAY 0x08 +#define HD44780_DISPLAY_ON 0x04 // D +#define HD44780_DISPLAY_CURSOR 0x02 // C +#define HD44780_DISPLAY_BLINK 0x01 // B +// Cursor or display shift +#define HD44780_CMD_MOVE 0x10 +#define HD44780_MOVE_DISPLAY 0x08 // S/C +#define HD44780_MOVE_RIGHT 0x04 // R/L +// Function set +#define HD44780_CMD_FUNCTION 0x20 +#define HD44780_FUNCTION_8_BIT 0x10 // DL +#define HD44780_FUNCTION_2_LINES 0x08 // N +#define HD44780_FUNCTION_5X10_DOTS 0x04 // F +// Set CGRAM address +#define HD44780_CMD_SET_CGRAM_ADDRESS 0x40 +// Set DDRAM address +#define HD44780_CMD_SET_DDRAM_ADDRESS 0x80 + +// Bitmask for busy flag when reading +#define HD44780_BUSY_FLAG 0x80 + +/** + * \brief Write a byte to the display. + * + * \param data The byte to send to the display. + * \param isData Whether the byte is an instruction or character data. + */ +void hd44780_write(uint8_t data, bool isData); + +/** + * \brief Read a byte from the display. + * + * \param isData Whether to read the current cursor position, or the character at the cursor. + * + * \return If `isData` is `true`, the returned byte will be the character at the current DDRAM address. Otherwise, it will be the current DDRAM address and the busy flag. + */ +uint8_t hd44780_read(bool isData); + +/** + * \brief Indicates whether the display is currently processing, and cannot accept instructions. + * + * \return `true` if the display is busy. + */ +bool hd44780_busy(void); + +/** + * \brief Send a command to the display. Refer to the datasheet for the valid commands. + * + * This function waits for the display to clear the busy flag before sending the command. + * + * \param command The command to send. + */ +void hd44780_command(uint8_t command); + +/** + * \brief Send a byte of data to the display. + * + * This function waits for the display to clear the busy flag before sending the data. + * + * \param data The byte of data to send. + */ +void hd44780_data(uint8_t data); + +/** + * \brief Clear the display. + * + * This function is called on init. + */ +void hd44780_clear(void); + +/** + * \brief Move the cursor to the home position. + * + * This function is called on init. + */ +void hd44780_home(void); + +/** + * \brief Turn the display on, and/or set the cursor position. + * + * This function is called on init. + * + * \param cursor Whether to show the cursor. + * \param blink Whether to blink the cursor, if shown. + */ +void hd44780_on(bool cursor, bool blink); + +/** + * \brief Turn the display off. + */ +void hd44780_off(void); + +/** + * \brief Set the CGRAM address. + * + * This function is used when defining custom characters. + * + * \param address The CGRAM address to move to, from `0x00` to `0x3F`. + */ +void hd44780_set_cgram_address(uint8_t address); + +/** + * \brief Set the DDRAM address. + * + * This function is used when printing characters to the display, and setting the cursor. + * + * \param address The DDRAM address to move to, from `0x00` to `0x7F`. + */ +void hd44780_set_ddram_address(uint8_t address); + +/** + * \brief Initialize the display. + * + * This function should be called only once, before any of the other functions can be called. + * + * \param cursor Whether to show the cursor. + * \param blink Whether to blink the cursor, if shown. + */ +void hd44780_init(bool cursor, bool blink); + +/** + * \brief Move the cursor to the specified position on the display. + * + * \param col The column number to move to, from 0 to 15 on 16x2 displays. + * \param line The line number to move to, either 0 or 1 on 16x2 displays. + */ +void hd44780_set_cursor(uint8_t col, uint8_t line); + +/** + * \brief Define a custom character. + * + * \param index The index of the custom character to define, from 0 to 7. + * \param data An array of 8 bytes containing the 5-bit row data of the character, where the first byte is the topmost row, and the least significant bit of each byte is the rightmost column. + */ +void hd44780_define_char(uint8_t index, uint8_t *data); + +/** + * \brief Print a character to the display. The newline character will move the cursor to the start of the next line. + * + * The exact character shown may depend on the ROM code of your particular display - refer to the datasheet for the full character set. + * + * \param c The character to print. + */ +void hd44780_putc(char c); + +/** + * \brief Print a string of characters to the display. + * + * \param s The string to print. + */ +void hd44780_puts(const char *s); + +#if defined(__AVR__) || defined(__DOXYGEN__) +/** + * \brief Define a custom character from PROGMEM. + * + * On ARM devices, this function is simply an alias of hd44780_define_char(). + * + * \param index The index of the custom character to define, from 0 to 7. + * \param data A PROGMEM array of 8 bytes containing the 5-bit row data of the character, where the first byte is the topmost row, and the least significant bit of each byte is the rightmost column. + */ +void hd44780_define_char_P(uint8_t index, const uint8_t *data); + +/** + * \brief Print a string of characters from PROGMEM to the display. + * + * On ARM devices, this function is simply an alias of hd44780_puts(). + * + * \param s The PROGMEM string to print. + */ +void hd44780_puts_P(const char *s); +#else +# define hd44780_define_char_P(index, data) hd44780_define_char(index, data) +# define hd44780_puts_P(s) hd44780_puts(s) +#endif + +/** \} */ diff --git a/drivers/led/issi/is31fl3737.c b/drivers/led/issi/is31fl3737.c index 9f2a13de45..bce0c34b2c 100644 --- a/drivers/led/issi/is31fl3737.c +++ b/drivers/led/issi/is31fl3737.c @@ -57,6 +57,10 @@ # define ISSI_PERSISTENCE 0 #endif +#ifndef ISSI_PWM_FREQUENCY +# define ISSI_PWM_FREQUENCY 0b000 // PFS - IS31FL3737B only +#endif + #ifndef ISSI_SWPULLUP # define ISSI_SWPULLUP PUR_0R #endif @@ -159,7 +163,7 @@ void IS31FL3737_init(uint8_t addr) { // Set global current to maximum. IS31FL3737_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF); // Disable software shutdown. - IS31FL3737_write_register(addr, ISSI_REG_CONFIGURATION, 0x01); + IS31FL3737_write_register(addr, ISSI_REG_CONFIGURATION, ((ISSI_PWM_FREQUENCY & 0b111) << 3) | 0x01); // Wait 10ms to ensure the device has woken up. wait_ms(10); diff --git a/drivers/painter/comms/qp_comms_spi.c b/drivers/painter/comms/qp_comms_spi.c new file mode 100644 index 0000000000..e644ba9f84 --- /dev/null +++ b/ |