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authorpeepeetee <43021794+peepeetee@users.noreply.github.com>2022-02-12 11:54:48 +0800
committerGitHub <noreply@github.com>2022-02-11 19:54:48 -0800
commit17c0ca6fa4f7b6f65b4442c2f5bc32fee914b376 (patch)
treeaecec74184b82d75dd19e4566cf04a3423c6e3c6 /keyboards/gboards/georgi/georgi.c
parent52d6f07a829baf38e16b61f1804bf5dd555ab45d (diff)
[Keyboard] move g heavy industry boards into /gboards (#16040)
Co-authored-by: zvecr <git@zvecr.com>
Diffstat (limited to 'keyboards/gboards/georgi/georgi.c')
-rw-r--r--keyboards/gboards/georgi/georgi.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/keyboards/gboards/georgi/georgi.c b/keyboards/gboards/georgi/georgi.c
new file mode 100644
index 0000000000..8866886ce7
--- /dev/null
+++ b/keyboards/gboards/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;
+}