From 2a2f41c6de868c06c06cf437cf7c2b875b8c53a4 Mon Sep 17 00:00:00 2001 From: layne001365 Date: Tue, 12 Mar 2019 03:41:16 +0800 Subject: [Keyboard] Add HotDox keyboard (#5365) * Add HotDox * Update keyboards/hotdox/config.h Co-Authored-By: layne001365 * Update keyboards/hotdox/config.h Co-Authored-By: layne001365 * Update keyboards/hotdox/config.h Co-Authored-By: layne001365 * Update keyboards/hotdox/config.h Co-Authored-By: layne001365 * Update keyboards/hotdox/keymaps/default/keymap.c Co-Authored-By: layne001365 * * Update - keyboards/hotdox/config.h - keyboards/hotdox/hotdox.h - keyboards/hotdox/info.json - keyboards/hotdox/left.h - keyboards/hotdox/left.c - keyboards/hotdox/rules.mk * Replace EPRM with EPRM - keyboards/hotdox/keymaps/default/keymap.c - keyboards/hotdox/keymaps/eozaki/keymap.c - keyboards/hotdox/keymaps/kloki/keymap.c * Remove keymaps readme.md * Remove twimaster.h/ twimaster.c * * Update - remove FORCE_NKRO from keyboards/hotdox/config.h - keyboards/hotdox/hotdox.c - keyboards/hotdox/hotdox.h - keyboards/hotdox/keymaps/default/keymap.c - keyboards/hotdox/left.c - keyboards/hotdox/readme.md - keyboards/hotdox/rules.mk * Update keyboards/hotdox/keymaps/default/keymap.c Co-Authored-By: layne001365 * Update keyboards/hotdox/keymaps/default/keymap.c Co-Authored-By: layne001365 * Update keyboards/hotdox/rules.mk Co-Authored-By: layne001365 * Update keyboards/hotdox/rules.mk Co-Authored-By: layne001365 * Update keyboards/hotdox/rules.mk Co-Authored-By: layne001365 * Update keyboards/hotdox/rules.mk Co-Authored-By: layne001365 * Update keyboards/hotdox/rules.mk Co-Authored-By: layne001365 * Update keyboards/hotdox/hotdox.h Co-Authored-By: layne001365 * Update keyboards/hotdox/rules.mk Co-Authored-By: layne001365 * Update keyboards/hotdox/rules.mk Co-Authored-By: layne001365 * Update keyboards/hotdox/config.h Co-Authored-By: layne001365 * Update keyboards/hotdox/config.h Co-Authored-By: layne001365 --- keyboards/hotdox/left.c | 130 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 keyboards/hotdox/left.c (limited to 'keyboards/hotdox/left.c') diff --git a/keyboards/hotdox/left.c b/keyboards/hotdox/left.c new file mode 100644 index 000000000..ae56b1816 --- /dev/null +++ b/keyboards/hotdox/left.c @@ -0,0 +1,130 @@ +#include "action.h" +#include "left.h" +#include "wait.h" + +bool i2c_initialized = false; + +void left_config(void); +uint8_t left_write(uint8_t reg, uint8_t data); +uint8_t left_read(uint8_t reg, uint8_t *data); + +uint8_t init_mcp23017(void) +{ + i2c_initialized = false; + + if (i2c_initialized == 0) + { + i2c_init(); // on pins D(1,0) + _delay_ms(1000); + } + + return 0; +} +void left_init(void) +{ + init_mcp23017(); + left_scan(); +#if 0 + while (1) + { + print("wait\n"); + wait_us(1000000); + } +#endif +} + +void left_scan(void) +{ + uint8_t ret = i2c_start(I2C_ADDR_WRITE, HOTDOX_I2C_TIMEOUT); + + if (ret == 0) + { + i2c_stop(HOTDOX_I2C_TIMEOUT); + + if (!i2c_initialized) + { + i2c_initialized = true; + left_config(); + clear_keyboard(); + print("mcp23017 attached!!!\n"); + } + } + else + { + if (i2c_initialized) + { + i2c_initialized = false; + clear_keyboard(); + print("mcp23017 deattached!!!\n"); + } + } + + return; +} + +uint8_t left_read_cols(void) +{ + uint8_t data = 0; + + left_read(MCP23017_B0_GPIOA, &data); + + return data; +} + +void left_unselect_rows(void) +{ + left_write(MCP23017_B0_IODIRB, 0x3F); +} + +void left_select_row(uint8_t row) +{ + left_write(MCP23017_B0_IODIRB, ~(1 << row)); +} + +void left_config(void) +{ + left_write(MCP23017_B0_IODIRA, 0x7F); + left_write(MCP23017_B0_IPOLA, 0x7F); + left_write(MCP23017_B0_GPPUA, 0x7F); + + left_write(MCP23017_B0_IODIRB, 0xFF); + left_write(MCP23017_B0_GPIOB, 0xC0); +} + +uint8_t left_write(uint8_t reg, uint8_t data) +{ + if (!i2c_initialized) + { + return 0; + } + + uint8_t ret; + + ret = i2c_start(I2C_ADDR_WRITE, HOTDOX_I2C_TIMEOUT); if (ret) goto out; + ret = i2c_write(reg, HOTDOX_I2C_TIMEOUT); if (ret) goto out; + ret = i2c_write(data, HOTDOX_I2C_TIMEOUT); + +out: + i2c_stop(HOTDOX_I2C_TIMEOUT); + return ret; +} + +uint8_t left_read(uint8_t reg, uint8_t *data) +{ + if (!i2c_initialized) + { + return 0; + } + + uint8_t ret = 0; + + ret = i2c_start(I2C_ADDR_WRITE, HOTDOX_I2C_TIMEOUT); if (ret) goto out; + ret = i2c_write(reg, HOTDOX_I2C_TIMEOUT); if (ret) goto out; + ret = i2c_start(I2C_ADDR_READ, HOTDOX_I2C_TIMEOUT); if (ret) goto out; + + *data = i2c_read_nack(HOTDOX_I2C_TIMEOUT); + +out: + i2c_stop(HOTDOX_I2C_TIMEOUT); + return ret; +} -- cgit v1.2.3-24-g4f1b