mhu/reflow-oven-control-sw
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Start onewire interface. But probably won't finish it

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Mario Hüttel
2020-02-25 19:34:23 +01:00
parent 71e2073a76
commit 0ddaef01c8
11 changed files with 195 additions and 108 deletions
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34
stm-firmware/include/reflow-controller/onewire-if.h
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@@ -1,34 +0,0 @@
/* Reflow Oven Controller
*
* Copyright (C) 2020 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of the Reflow Oven Controller Project.
*
* The reflow oven controller is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* The Reflow Oven Control Firmware 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 the reflow oven controller project.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ONEWIRE_IF_H__
#define __ONEWIRE_IF_H__
#include <stm-periph/uart.h>
int onewire_if_init_uart(struct stm_uart *uart, uint32_t brr_val, USART_TypeDef *onewire_uart, volatile uint32_t *rcc_reg, uint8_t rcc_bit_num);
void onewire_if_disable(struct stm_uart *uart);
int onewire_if_send_byte(struct stm_uart *uart);
int onewire_if_receive_byte(struct stm_uart *uart);
#endif /* __ONEWIRE_IF_H__ */

8
stm-firmware/include/reflow-controller/onewire-temp-sensors.h
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@@ -32,6 +32,8 @@
#define ONEWIRE_UART_DEV USART3
enum onewire_temp_resolution {RES_8BIT, RES_12BIT};
void onewire_temp_sensors_setup_hw();
/**
@@ -40,8 +42,10 @@ void onewire_temp_sensors_setup_hw();
* @param list_len
* @return Negative: error, >= 0: amount of discovered sensors
*/
int onewire_temp_sensors_discover(uint32_t *id_list, size_t list_len);
int onewire_temp_sensors_discover(uint64_t *id_list, size_t list_len);
float onewire_temp_sensor_read_temp(uint32_t id);
int onewire_temp_sensor_config(uint64_t id, enum onewire_temp_resolution resolution);
float onewire_temp_sensor_read_temp(uint64_t id);
#endif /* __ONEWIRE_TEMP_SENSORS_H__ */

1
stm-firmware/include/reflow-controller/systick.h
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@@ -63,5 +63,6 @@ void systick_setup(void);
*/
void systick_wait_ms(uint32_t ms);
uint64_t systick_get_global_tick();
#endif /* __SYSTICK_H__ */

16
stm-firmware/include/stm-periph/dma-ring-buffer.h
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@@ -96,6 +96,14 @@ int dma_ring_buffer_periph_to_mem_get_data(struct dma_ring_buffer_to_mem *buff,
*/
void dma_ring_buffer_periph_to_mem_stop(struct dma_ring_buffer_to_mem *buff);
/**
* @brief Get fill level of peripheral to memory DMA ring buffer
* @param buff Buffer
* @param fill_level fill level to write data to
* @return 0 if success
*/
int dma_ring_buffer_periph_to_mem_fill_level(struct dma_ring_buffer_to_mem *buff, size_t *fill_level);
/**
* @brief Initialize ring buffer to streaming data from meory to a peripheral
* @param[in,out] dma_buffer DMA ring buffer structure
@@ -138,6 +146,14 @@ void dma_ring_buffer_mem_to_periph_int_callback(struct dma_ring_buffer_to_periph
*/
void dma_ring_buffer_mem_to_periph_stop(struct dma_ring_buffer_to_periph *buff);
/**
* @brief Get fill level of mem to periph DMA ring buffer
* @param buff Buffer
* @param fill_level fill level to write data to
* @return 0 if success
*/
int dma_ring_buffer_mem_to_periph_fill_level(struct dma_ring_buffer_to_periph *buff, size_t *fill_level);
/** @} */
#endif /* __DMA_RING_BUFFER_H__ */

3
stm-firmware/include/stm-periph/uart.h
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@@ -70,5 +70,8 @@ int uart_check_rx_avail(struct stm_uart *uart);
void uart_tx_dma_complete_int_callback(struct stm_uart *uart);
size_t uart_dma_tx_queue_avail(struct stm_uart *uart);
size_t uart_dma_rx_queue_avail(struct stm_uart *uart);
#endif /* UART_UART_H_ */