From ec28fcd9f905358759eea98161f451567135d17e Mon Sep 17 00:00:00 2001 From: jaseg Date: Sun, 27 Aug 2023 22:31:09 +0200 Subject: new driver blinkenlights --- driver_fw/mcp9801.c | 42 ------------------------------------------ 1 file changed, 42 deletions(-) delete mode 100644 driver_fw/mcp9801.c (limited to 'driver_fw/mcp9801.c') diff --git a/driver_fw/mcp9801.c b/driver_fw/mcp9801.c deleted file mode 100644 index 76aac1e..0000000 --- a/driver_fw/mcp9801.c +++ /dev/null @@ -1,42 +0,0 @@ -/* 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 . - */ - -#include "global.h" -#include "i2c.h" -#include "mcp9801.h" - -void mcp9801_init() -{ - uint8_t config = MCP9801_ONESHOT_OFF | MCP9801_RES_12BIT | MCP9801_FAULT_QUEUE_1 | MCP9801_ALERT_LOW | \ - MCP9801_MODE_COMP | MCP9801_SHUTDOWN_OFF; - uint8_t buf[2] = { MCP9801_REG_CONFIG, config }; - i2c_transmit(MCP9801_I2C_PERIPH, buf, sizeof(buf), MCP9801_I2C_ADDR, I2C_GENSTOP_YES); - - /* Address device here */ - uint8_t buf2[1] = { MCP9801_REG_TEMP }; - i2c_transmit(MCP9801_I2C_PERIPH, buf2, sizeof(buf2), MCP9801_I2C_ADDR, I2C_GENSTOP_NO); -} - -int32_t mcp9801_read_mdegC() -{ - uint8_t rx[2]; - i2c_receive(MCP9801_I2C_PERIPH, rx, sizeof(rx), MCP9801_I2C_ADDR); - - /* Fixup endianness, sign-extend */ - int32_t temp = (int16_t)((rx[0]<<8) | rx[1]); - return (temp * 1000) /256; -} -- cgit