1 files changed, 0 insertions, 97 deletions
diff --git a/src/stm32f0/i2c.c b/src/stm32f0/i2c.c
deleted file mode 100644
index 55542125..00000000
--- a/src/stm32f0/i2c.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- *  i2c support on STM32F0
- *
- *  Copyright (C) 2019 Eug Krashtan <eug.krashtan@gmail.com>
- *  This file may be distributed under the terms of the GNU GPLv3 license.
- *
- */
-
-#include "stm32f0xx_hal.h"
-#include "command.h" // shutdown
-#include "board/gpio.h" // i2c_setup
-#include "sched.h" // sched_shutdown
-#include "command.h" // shutdown
-#include "board/misc.h" // timer_is_before
-
-I2C_HandleTypeDef hi2c1;
-
-struct i2c_config i2c_setup(uint32_t bus, uint32_t rate, uint8_t addr)
-{
-    GPIO_InitTypeDef GPIO_InitStruct = {0};
-    /**I2C1 GPIO Configuration
-    PF0-OSC_IN     ------> I2C1_SDA
-    PF1-OSC_OUT     ------> I2C1_SCL
-    */
-    GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
-    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
-    GPIO_InitStruct.Pull = GPIO_PULLUP;
-    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
-    GPIO_InitStruct.Alternate = GPIO_AF1_I2C1;
-    HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
-
-    hi2c1.Instance = I2C1;
-    hi2c1.Init.Timing = 0x2000090E;
-    hi2c1.Init.OwnAddress1 = addr;
-    hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
-    hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
-    hi2c1.Init.OwnAddress2 = 0;
-    hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
-    hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
-    hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
-    HAL_I2C_Init(&hi2c1);
-    /** Configure Analogue filter
-    */
-    HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE);
-    /** Configure Digital filter
-    */
-    HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0);
-    return (struct i2c_config){ .addr = addr };
-}
-
-static void
-i2c_to_check(uint32_t timeout)
-{
-    if (!timer_is_before(timer_read_time(), timeout))
-        shutdown("i2c timeout");
-}
-
-void i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write)
-{
-    uint32_t timeout = timer_read_time() + timer_from_us(5000);
-    while(HAL_I2C_Master_Transmit(&hi2c1, config.addr, write,
-            (uint16_t)write_len, (uint32_t)1000)!= HAL_OK) {
-         if (HAL_I2C_GetError(&hi2c1) != HAL_I2C_ERROR_AF) {
-             shutdown("Buffer error");
-         }
-         i2c_to_check(timeout);
-     }
-}
-
-void i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg
-              , uint8_t read_len, uint8_t *read)
-{
-    uint32_t timeout = timer_read_time() + timer_from_us(5000);
-    i2c_write(config, reg_len, reg);
-    while(HAL_I2C_Master_Receive(&hi2c1, config.addr, read,
-            (uint16_t)read_len, (uint32_t)1000)!= HAL_OK) {
-         if (HAL_I2C_GetError(&hi2c1) != HAL_I2C_ERROR_AF) {
-             shutdown("Buffer error");
-         }
-         i2c_to_check(timeout);
-     }
-}
-
-/**
-* @brief I2C MSP Initialization
-* @param hi2c: I2C handle pointer
-* @retval None
-*/
-void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
-{
-    if(hi2c->Instance==I2C1)
-    {
-        /* Peripheral clock enable */
-        __HAL_RCC_GPIOF_CLK_ENABLE();
-        __HAL_RCC_I2C1_CLK_ENABLE();
-    }
-}