From a860bd27a0950e4dd8ae530f9095a91ced7436a3 Mon Sep 17 00:00:00 2001 From: jaseg Date: Mon, 15 Apr 2019 01:25:05 +0900 Subject: driver/fw: Temp sensor working modulo some brownout condition --- driver_fw/mcp9801.h | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 driver_fw/mcp9801.h (limited to 'driver_fw/mcp9801.h') diff --git a/driver_fw/mcp9801.h b/driver_fw/mcp9801.h new file mode 100644 index 0000000..6060c98 --- /dev/null +++ b/driver_fw/mcp9801.h @@ -0,0 +1,66 @@ +/* 8seg LED display driver firmware + * Copyright (C) 2018 Sebastian Götte + * + * 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 3 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 . + */ + +#ifndef __MCP9801_H__ +#define __MCP9801_H__ + +#define MCP9801_I2C_ADDR 0x90 +#define MCP9801_I2C_PERIPH I2C1 + +#include + +enum mcp9801_regmap { + MCP9801_REG_TEMP = 0, + MCP9801_REG_CONFIG = 1, + MCP9801_REG_HYST = 2, + MCP9801_REG_LIMIT = 3 +}; + +enum mcp9801_config { + MCP9801_ONESHOT_ON = 1<<7, + MCP9801_ONESHOT_OFF = 0<<7, + MCP9801_ONESHOT_Msk = 1<<7, + + MCP9801_RES_9BIT = 0<<5, + MCP9801_RES_10BIT = 1<<5, + MCP9801_RES_11BIT = 2<<5, + MCP9801_RES_12BIT = 3<<5, + MCP9801_RES_Msk = 3<<5, + + MCP9801_FAULT_QUEUE_1 = 0<<3, + MCP9801_FAULT_QUEUE_2 = 1<<3, + MCP9801_FAULT_QUEUE_4 = 2<<3, + MCP9801_FAULT_QUEUE_6 = 3<<3, + MCP9801_FAULT_QUEUE_Msk = 3<<3, + + MCP9801_ALERT_HIGH = 1<<2, + MCP9801_ALERT_LOW = 0<<2, + MCP9801_ALERT_Msk = 1<<2, + + MCP9801_MODE_INT = 1<<1, + MCP9801_MODE_COMP = 0<<1, + MCP9801_MODE_Msk = 1<<1, + + MCP9801_SHUTDOWN_ON = 1<<0, + MCP9801_SHUTDOWN_OFF = 0<<0, + MCP9801_SHUTDOWN_Msk = 1<<0, +}; + +void mcp9801_init(void); +int32_t mcp9801_read_mdegC(void); + +#endif /* __MCP9801_H__ */ -- cgit