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| author |  Jeremy Bernhardt <jeremythegeek@gmail.com> | 2019-03-14 14:59:34 -0600 |
|---|---|---|
| committer |  Drashna Jaelre <drashna@live.com> | 2019-03-14 13:59:34 -0700 |
| commit | 980a41e9049aad53c49b667066a3c5e5cabda113 (patch) | |
| tree | 68edfd6f3948e13852ae0c1b91f6d1119e4d96ac /keyboards/georgi/georgi.c | |
| parent | 2558372b3f5b383582ee35f318d75a2dc7a28c6e (diff) | |
| download | qmk_firmware-980a41e9049aad53c49b667066a3c5e5cabda113.tar.gz | |
[Keyboard] Georgi Support (#5384)
* Working on chording
* Working on chording
* Got layouts in order
* Initial Georgi support
* forgot to add keymaps
* Updated readme
* Update keyboards/georgi/keymaps/template/readme.md
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/georgi.h
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/keymaps/default/keymap.c
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/keymaps/default/keymap.c
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/rules.mk
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/rules.mk
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/matrix.c
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/georgi.c
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/georgi.c
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/rules.mk
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/keymaps/default/keymap.c
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/keymaps/template/keymap.c
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/matrix.c
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Disabled features, updated info
* Update keyboards/georgi/config.h
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Update keyboards/georgi/config.h
Co-Authored-By: germ <jeremythegeek@gmail.com>
* Fixed info.json
Diffstat (limited to 'keyboards/georgi/georgi.c')
| -rw-r--r-- | keyboards/georgi/georgi.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/keyboards/georgi/georgi.c b/keyboards/georgi/georgi.c new file mode 100644 index 000000000..8866886ce --- /dev/null +++ b/keyboards/georgi/georgi.c @@ -0,0 +1,68 @@ +#include QMK_KEYBOARD_H + +bool i2c_initialized = 0; +i2c_status_t mcp23018_status = 0x20; + +void matrix_init_kb(void) { + steno_set_mode(STENO_MODE_GEMINI); // or STENO_MODE_BOLT + + // (tied to Vcc for hardware convenience) + //DDRB &= ~(1<<4); // set B(4) as input + //PORTB &= ~(1<<4); // set B(4) internal pull-up disabled + + // unused pins - C7, D4, D5, D7, E6 + // set as input with internal pull-up enabled + DDRC &= ~(1<<7); + DDRD &= ~(1<<5 | 1<<4 | 1<<6 | 1<<7); + DDRE &= ~(1<<6); + PORTC |= (1<<7); + PORTD |= (1<<5 | 1<<4 | 1<<6 | 1<<7); + PORTE |= (1<<6); + + matrix_init_user(); +} + + +uint8_t init_mcp23018(void) { + print("starting init"); + mcp23018_status = 0x20; + + // I2C subsystem + + // uint8_t sreg_prev; + // sreg_prev=SREG; + // cli(); + + if (i2c_initialized == 0) { + i2c_init(); // on pins D(1,0) + i2c_initialized = true; + _delay_ms(1000); + } + // i2c_init(); // on pins D(1,0) + // _delay_ms(1000); + + // set pin direction + // - unused : input : 1 + // - input : input : 1 + // - driving : output : 0 + mcp23018_status = i2c_start(I2C_ADDR_WRITE, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(IODIRA, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0b10000000, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0b11111111, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; + i2c_stop(); + + // set pull-up + // - unused : on : 1 + // - input : on : 1 + // - driving : off : 0 + mcp23018_status = i2c_start(I2C_ADDR_WRITE, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(GPPUA, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0b10000000, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0b11111111, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out; + +out: + i2c_stop(); + // SREG=sreg_prev; + //uprintf("Init %x\n", mcp23018_status); + return mcp23018_status; +} |