Relocate platform specific drivers (#13894)

* Relocate platform specific drivers

* Move stm eeprom

* Tidy up slightly

1 files changed, 0 insertions, 241 deletions

diff --git a/drivers/avr/i2c_master.c b/drivers/avr/i2c_master.c
deleted file mode 100644
index 2773e0077..000000000
--- a/drivers/avr/i2c_master.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/*  Copyright (C) 2019 Elia Ritterbusch
- +
- *  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 <https://www.gnu.org/licenses/>.
- */
-/* Library made by: g4lvanix
- * GitHub repository: https://github.com/g4lvanix/I2C-master-lib
- */
-
-#include <avr/io.h>
-#include <util/twi.h>
-
-#include "i2c_master.h"
-#include "timer.h"
-#include "wait.h"
-
-#ifndef F_SCL
-#    define F_SCL 400000UL  // SCL frequency
-#endif
-
-#ifndef I2C_START_RETRY_COUNT
-#    define I2C_START_RETRY_COUNT 20
-#endif  // I2C_START_RETRY_COUNT
-
-#define TWBR_val (((F_CPU / F_SCL) - 16) / 2)
-
-#define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
-
-void i2c_init(void) {
-    TWSR = 0; /* no prescaler */
-    TWBR = (uint8_t)TWBR_val;
-
-#ifdef __AVR_ATmega32A__
-    // set pull-up resistors on I2C bus pins
-    PORTC |= 0b11;
-
-    // enable TWI (two-wire interface)
-    TWCR |= (1 << TWEN);
-
-    // enable TWI interrupt and slave address ACK
-    TWCR |= (1 << TWIE);
-    TWCR |= (1 << TWEA);
-#endif
-}
-
-static i2c_status_t i2c_start_impl(uint8_t address, uint16_t timeout) {
-    // reset TWI control register
-    TWCR = 0;
-    // transmit START condition
-    TWCR = (1 << TWINT) | (1 << TWSTA) | (1 << TWEN);
-
-    uint16_t timeout_timer = timer_read();
-    while (!(TWCR & (1 << TWINT))) {
-        if ((timeout != I2C_TIMEOUT_INFINITE) && ((timer_read() - timeout_timer) >= timeout)) {
-            return I2C_STATUS_TIMEOUT;
-        }
-    }
-
-    // check if the start condition was successfully transmitted
-    if (((TW_STATUS & 0xF8) != TW_START) && ((TW_STATUS & 0xF8) != TW_REP_START)) {
-        return I2C_STATUS_ERROR;
-    }
-
-    // load slave address into data register
-    TWDR = address;
-    // start transmission of address
-    TWCR = (1 << TWINT) | (1 << TWEN);
-
-    timeout_timer = timer_read();
-    while (!(TWCR & (1 << TWINT))) {
-        if ((timeout != I2C_TIMEOUT_INFINITE) && ((timer_read() - timeout_timer) >= timeout)) {
-            return I2C_STATUS_TIMEOUT;
-        }
-    }
-
-    // check if the device has acknowledged the READ / WRITE mode
-    uint8_t twst = TW_STATUS & 0xF8;
-    if ((twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK)) {
-        return I2C_STATUS_ERROR;
-    }
-
-    return I2C_STATUS_SUCCESS;
-}
-
-i2c_status_t i2c_start(uint8_t address, uint16_t timeout) {
-    // Retry i2c_start_impl a bunch times in case the remote side has interrupts disabled.
-    uint16_t     timeout_timer = timer_read();
-    uint16_t     time_slice    = MAX(1, (timeout == (I2C_TIMEOUT_INFINITE)) ? 5 : (timeout / (I2C_START_RETRY_COUNT)));  // if it's infinite, wait 1ms between attempts, otherwise split up the entire timeout into the number of retries
-    i2c_status_t status;
-    do {
-        status = i2c_start_impl(address, time_slice);
-    } while ((status < 0) && ((timeout == I2C_TIMEOUT_INFINITE) || (timer_elapsed(timeout_timer) < timeout)));
-    return status;
-}
-
-i2c_status_t i2c_write(uint8_t data, uint16_t timeout) {
-    // load data into data register
-    TWDR = data;
-    // start transmission of data
-    TWCR = (1 << TWINT) | (1 << TWEN);
-
-    uint16_t timeout_timer = timer_read();
-    while (!(TWCR & (1 << TWINT))) {
-        if ((timeout != I2C_TIMEOUT_INFINITE) && ((timer_read() - timeout_timer) >= timeout)) {
-            return I2C_STATUS_TIMEOUT;
-        }
-    }
-
-    if ((TW_STATUS & 0xF8) != TW_MT_DATA_ACK) {
-        return I2C_STATUS_ERROR;
-    }
-
-    return I2C_STATUS_SUCCESS;
-}
-
-int16_t i2c_read_ack(uint16_t timeout) {
-    // start TWI module and acknowledge data after reception
-    TWCR = (1 << TWINT) | (1 << TWEN) | (1 << TWEA);
-
-    uint16_t timeout_timer = timer_read();
-    while (!(TWCR & (1 << TWINT))) {
-        if ((timeout != I2C_TIMEOUT_INFINITE) && ((timer_read() - timeout_timer) >= timeout)) {
-            return I2C_STATUS_TIMEOUT;
-        }
-    }
-
-    // return received data from TWDR
-    return TWDR;
-}
-
-int16_t i2c_read_nack(uint16_t timeout) {
-    // start receiving without acknowledging reception
-    TWCR = (1 << TWINT) | (1 << TWEN);
-
-    uint16_t timeout_timer = timer_read();
-    while (!(TWCR & (1 << TWINT))) {
-        if ((timeout != I2C_TIMEOUT_INFINITE) && ((timer_read() - timeout_timer) >= timeout)) {
-            return I2C_STATUS_TIMEOUT;
-        }
-    }
-
-    // return received data from TWDR
-    return TWDR;
-}
-
-i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout) {
-    i2c_status_t status = i2c_start(address | I2C_WRITE, timeout);
-
-    for (uint16_t i = 0; i < length && status >= 0; i++) {
-        status = i2c_write(data[i], timeout);
-    }
-
-    i2c_stop();
-
-    return status;
-}
-
-i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout) {
-    i2c_status_t status = i2c_start(address | I2C_READ, timeout);
-
-    for (uint16_t i = 0; i < (length - 1) && status >= 0; i++) {
-        status = i2c_read_ack(timeout);
-        if (status >= 0) {
-            data[i] = status;
-        }
-    }
-
-    if (status >= 0) {
-        status = i2c_read_nack(timeout);
-        if (status >= 0) {
-            data[(length - 1)] = status;
-        }
-    }
-
-    i2c_stop();
-
-    return (status < 0) ? status : I2C_STATUS_SUCCESS;
-}
-
-i2c_status_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout) {
-    i2c_status_t status = i2c_start(devaddr | 0x00, timeout);
-    if (status >= 0) {
-        status = i2c_write(regaddr, timeout);
-
-        for (uint16_t i = 0; i < length && status >= 0; i++) {
-            status = i2c_write(data[i], timeout);
-        }
-    }
-
-    i2c_stop();
-
-    return status;
-}
-
-i2c_status_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout) {
-    i2c_status_t status = i2c_start(devaddr, timeout);
-    if (status < 0) {
-        goto error;
-    }
-
-    status = i2c_write(regaddr, timeout);
-    if (status < 0) {
-        goto error;
-    }
-
-    status = i2c_start(devaddr | 0x01, timeout);
-
-    for (uint16_t i = 0; i < (length - 1) && status >= 0; i++) {
-        status = i2c_read_ack(timeout);
-        if (status >= 0) {
-            data[i] = status;
-        }
-    }
-
-    if (status >= 0) {
-        status = i2c_read_nack(timeout);
-        if (status >= 0) {
-            data[(length - 1)] = status;
-        }
-    }
-
-error:
-    i2c_stop();
-
-    return (status < 0) ? status : I2C_STATUS_SUCCESS;
-}
-
-void i2c_stop(void) {
-    // transmit STOP condition
-    TWCR = (1 << TWINT) | (1 << TWEN) | (1 << TWSTO);
-}