[Keyboard] Cleanup helix rules options (#6952)
* add temporary test shell-spript
* Use LINK_TIME_OPTIMIZATION_ENABLE instead of Link_Time_Optimization
No change in build result.
* Helix config.h use '#pragma once'
No change in build result.
* Helix helix.h,rev?/rev?.h,pico/pico.h use '#pragma once'
No change in build result.
* Use drivers/avr/pro_micro.h instead of keyboards/helix/pro_micro.h
No change in build result.
* remove keyboards/helix/{rev2|pico}/serial_config.h
No change in build result.
* 'HELIX_ROWS' macro is now referenced only in rev1/config.h and rev2/config.h.
No change in build result.
* The contents of helix/rules.mk were distributed to subdirectories.
This is a preparation to create a new subdirectory for helix code using split_common.
No change in build result.
remove 'USE_I2C = yes', 'SUBPROJECT_rev1 = no' from keyboards/helix/rules.mk.
follow code move from keyboards/helix/rules.mk to keyboards/helix/{rev1,rev2,pico}/rules.mk.
----
SRC += i2c.c
SRC += serial.c
SRC += ssd1306.c
CUSTOM_MATRIX = yes
---
* helix/{i2c.[ch], serial.[ch], ssd1306.[ch]} move into helix/local_drivers/
No change in build result.
* Simplified 'helix/pico/keymap/*/rules.mk' using KEYBOARD_LOCAL_FEATURES_MK.
No change in build result.
* add keyboards/helix/pico/local_features.mk
* add 'KEYBOARD_LOCAL_FEATURES_MK := $(dir $(lastword $(MAKEFILE_LIST)))local_features.mk' into keyboards/helix/pico/rules.mk
* remove HELIX_CUSTOMISE_MSG from keyboards/helix/pico/keymaps/*/rules.mk
* remove HELIX= process from keyboards/helix/pico/keymaps/*/rules.mk
* remove convert code(helix to standaerd) from keyboards/helix/pico/keymaps/*/rules.mk
* add 'include $(strip $(KEYBOARD_LOCAL_FEATURES_MK))' into keyboards/helix/pico/keymaps/*/rules.mk
* Simplified 'helix/rev2/keymap/*/rules.mk' using KEYBOARD_LOCAL_FEATURES_MK.
No change in build result.
* add keyboards/helix/rev2/local_features.mk
* add 'KEYBOARD_LOCAL_FEATURES_MK := $(dir $(lastword $(MAKEFILE_LIST)))local_features.mk' into keyboards/helix/rev2/rules.mk
* remove HELIX_CUSTOMISE_MSG from keyboards/helix/rev2/keymaps/*/rules.mk
* remove HELIX= process from keyboards/helix/rev2/keymaps/*/rules.mk
* remove convert code(helix to standaerd) from keyboards/helix/rev2/keymaps/*/rules.mk
* add 'include $(strip $(KEYBOARD_LOCAL_FEATURES_MK))' into keyboards/helix/rev2/keymaps/*/rules.mk
* Added helix keyboard build NEW method.
No change in build result.
## Helix build
$ make helix:default ## no oled, no backlight, no underglow
$ make helix/rev2/back:default ## no oled, with backlight, no underglow
$ make helix/rev2/under:default ## no oled, no backlight, with underglow
$ make helix/rev2/oled:default ## with oled, no backlight, not underglow
$ make helix/rev2/oled/back:default ## with oled, with backlight, no underglow
$ make helix/rev2/back/oled:default ## with oled, with backlight, no underglow
$ make helix/rev2/oled/under:default ## with oled, no backlight, with underglow
$ make helix/rev2/under/oled:default ## with oled, no backlight, with underglow
## Helix pico build
$ make helix/pico:default ## no oled, no backlight, no underglow
$ make helix/pico/back:default ## no oled, with backlight, no underglow
$ make helix/pico/under:default ## no oled, no backlight, with underglow
$ make helix/pico/oled:default ## with oled, no backlight, not underglow
* add temporary test shell-spript
* test end remove test script. Revert "add temporary test shell-spript"
This reverts commit 5dac20cd0f8b4bc192edb2313652c1635f829657.
* test end remove test script. Revert "add temporary test shell-spript"
This reverts commit ec49f63b2dc0f2b3fe8c1c36ffa615cee2f7e3ed.
* Extended the 'HELIX=' option. add keyword 'verbose', 'no_ani'.
No change in build result.
* update keyboards/helix/{rev2,pico}/keymaps/default/readme.md
* rename KEYBOARD_TOP_DIR to HELIX_TOP_DIR in rules.mk
* update keyboards/helix/{rev2,pico}/keymaps/default/readme_jp.md
* rm keyboards/helix/pico/oled/rules.mk
* update helix's readmes. All the ':avrdude' was replaced with ':flash'.
* remove F_CPU, ARCH, F_USB, INTERRUPT_CONTROL_ENDPOINT from helix/rules.mk
No change in build result.
This commit is contained in:
MakotoKurauchi
Drashna Jaelre
parent
81f36ab74d
commit
881f27b461
54 changed files with 638 additions and 1766 deletions
162
keyboards/helix/local_drivers/i2c.c
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162
keyboards/helix/local_drivers/i2c.c
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#include <util/twi.h>
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#include <avr/io.h>
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#include <stdlib.h>
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#include <avr/interrupt.h>
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#include <util/twi.h>
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#include <stdbool.h>
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#include "i2c.h"
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#ifdef USE_I2C
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// Limits the amount of we wait for any one i2c transaction.
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// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is
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// 9 bits, a single transaction will take around 90μs to complete.
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//
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// (F_CPU/SCL_CLOCK) => # of μC cycles to transfer a bit
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// poll loop takes at least 8 clock cycles to execute
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#define I2C_LOOP_TIMEOUT (9+1)*(F_CPU/SCL_CLOCK)/8
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#define BUFFER_POS_INC() (slave_buffer_pos = (slave_buffer_pos+1)%SLAVE_BUFFER_SIZE)
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volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
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static volatile uint8_t slave_buffer_pos;
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static volatile bool slave_has_register_set = false;
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// Wait for an i2c operation to finish
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inline static
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void i2c_delay(void) {
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uint16_t lim = 0;
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while(!(TWCR & (1<<TWINT)) && lim < I2C_LOOP_TIMEOUT)
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lim++;
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// easier way, but will wait slightly longer
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// _delay_us(100);
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}
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// Setup twi to run at 100kHz or 400kHz (see ./i2c.h SCL_CLOCK)
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void i2c_master_init(void) {
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// no prescaler
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TWSR = 0;
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// Set TWI clock frequency to SCL_CLOCK. Need TWBR>10.
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// Check datasheets for more info.
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TWBR = ((F_CPU/SCL_CLOCK)-16)/2;
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}
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// Start a transaction with the given i2c slave address. The direction of the
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// transfer is set with I2C_READ and I2C_WRITE.
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// returns: 0 => success
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// 1 => error
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uint8_t i2c_master_start(uint8_t address) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTA);
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i2c_delay();
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// check that we started successfully
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if ( (TW_STATUS != TW_START) && (TW_STATUS != TW_REP_START))
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return 1;
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TWDR = address;
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TWCR = (1<<TWINT) | (1<<TWEN);
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i2c_delay();
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if ( (TW_STATUS != TW_MT_SLA_ACK) && (TW_STATUS != TW_MR_SLA_ACK) )
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return 1; // slave did not acknowledge
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else
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return 0; // success
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}
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// Finish the i2c transaction.
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void i2c_master_stop(void) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
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uint16_t lim = 0;
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while(!(TWCR & (1<<TWSTO)) && lim < I2C_LOOP_TIMEOUT)
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lim++;
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}
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// Write one byte to the i2c slave.
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// returns 0 => slave ACK
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// 1 => slave NACK
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uint8_t i2c_master_write(uint8_t data) {
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TWDR = data;
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TWCR = (1<<TWINT) | (1<<TWEN);
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i2c_delay();
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// check if the slave acknowledged us
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return (TW_STATUS == TW_MT_DATA_ACK) ? 0 : 1;
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}
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// Read one byte from the i2c slave. If ack=1 the slave is acknowledged,
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// if ack=0 the acknowledge bit is not set.
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// returns: byte read from i2c device
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uint8_t i2c_master_read(int ack) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA);
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i2c_delay();
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return TWDR;
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}
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void i2c_reset_state(void) {
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TWCR = 0;
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}
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void i2c_slave_init(uint8_t address) {
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TWAR = address << 0; // slave i2c address
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// TWEN - twi enable
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// TWEA - enable address acknowledgement
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// TWINT - twi interrupt flag
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// TWIE - enable the twi interrupt
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TWCR = (1<<TWIE) | (1<<TWEA) | (1<<TWINT) | (1<<TWEN);
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}
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ISR(TWI_vect);
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ISR(TWI_vect) {
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uint8_t ack = 1;
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switch(TW_STATUS) {
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case TW_SR_SLA_ACK:
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// this device has been addressed as a slave receiver
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slave_has_register_set = false;
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break;
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case TW_SR_DATA_ACK:
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// this device has received data as a slave receiver
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// The first byte that we receive in this transaction sets the location
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// of the read/write location of the slaves memory that it exposes over
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// i2c. After that, bytes will be written at slave_buffer_pos, incrementing
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// slave_buffer_pos after each write.
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if(!slave_has_register_set) {
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slave_buffer_pos = TWDR;
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// don't acknowledge the master if this memory loctaion is out of bounds
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if ( slave_buffer_pos >= SLAVE_BUFFER_SIZE ) {
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ack = 0;
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slave_buffer_pos = 0;
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}
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slave_has_register_set = true;
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} else {
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i2c_slave_buffer[slave_buffer_pos] = TWDR;
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BUFFER_POS_INC();
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}
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break;
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case TW_ST_SLA_ACK:
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case TW_ST_DATA_ACK:
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// master has addressed this device as a slave transmitter and is
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// requesting data.
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TWDR = i2c_slave_buffer[slave_buffer_pos];
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BUFFER_POS_INC();
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break;
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case TW_BUS_ERROR: // something went wrong, reset twi state
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TWCR = 0;
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default:
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break;
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}
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// Reset everything, so we are ready for the next TWI interrupt
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TWCR |= (1<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN);
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}
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#endif
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