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Remove the not implemented USART lld files. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10420 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
Theodore Ateba 2017-08-13 14:28:30 +00:00
parent 65ff63d517
commit a5d9d7e741
2 changed files with 0 additions and 566 deletions
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408
os/hal/ports/AVR/TINY/LLD/USARTv1/hal_serial_lld.c
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@ -1,408 +0,0 @@
/*
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file hal_serial_lld.c
* @brief AVR low level serial driver code.
*
* @addtogroup SERIAL
* @{
*/
#include "hal.h"
#if HAL_USE_SERIAL || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/**
* @brief USART0 serial driver identifier.
* @note The name does not follow the convention used in the other ports
* (COMn) because a name conflict with the AVR headers.
*/
#if AVR_SERIAL_USE_USART0 || defined(__DOXYGEN__)
SerialDriver SD1;
/* USARTs are not consistently named across the AVR range */
#ifdef USART0_RX_vect
#define AVR_SD1_RX_VECT USART0_RX_vect
#define AVR_SD1_TX_VECT USART0_UDRE_vect
#elif defined(USART_RX_vect)
#define AVR_SD1_RX_VECT USART_RX_vect
#define AVR_SD1_TX_VECT USART_UDRE_vect
#elif defined(USART0_RXC_vect)
#define AVR_SD1_RX_VECT USART0_RXC_vect
#define AVR_SD1_TX_VECT USART0_UDRE_vect
#else
#error "Cannot find USART to use for SD1"
#endif
#endif /* AVR_SERIAL_USE_USART0 */
/**
* @brief USART1 serial driver identifier.
* @note The name does not follow the convention used in the other ports
* (COMn) because a name conflict with the AVR headers.
*/
#if AVR_SERIAL_USE_USART1 || defined(__DOXYGEN__)
SerialDriver SD2;
/* Check if USART1 exists for this MCU */
#ifdef USART1_RX_vect
#define AVR_SD2_RX_VECT USART1_RX_vect
#define AVR_SD2_TX_VECT USART1_UDRE_vect
#elif defined (USART1_RXC_vect)
#define AVR_SD2_RX_VECT USART1_RXC_vect
#define AVR_SD2_TX_VECT USART1_UDRE_vect
#else
#error "Cannot find USART to use for SD2"
#endif
#endif /* AVR_SERIAL_USE_USART1 */
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/**
* @brief Driver default configuration.
*/
static const SerialConfig default_config = {
UBRR2x_F(SERIAL_DEFAULT_BITRATE),
USART_CHAR_SIZE_8
};
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
static void set_error(uint8_t sra, SerialDriver *sdp) {
eventflags_t sts = 0;
uint8_t dor = 0;
uint8_t upe = 0;
uint8_t fe = 0;
#if AVR_SERIAL_USE_USART0
if (&SD1 == sdp) {
dor = (1 << DOR0);
upe = (1 << UPE0);
fe = (1 << FE0);
}
#endif
#if AVR_SERIAL_USE_USART1
if (&SD2 == sdp) {
dor = (1 << DOR1);
upe = (1 << UPE1);
fe = (1 << FE1);
}
#endif
if (sra & dor)
sts |= SD_OVERRUN_ERROR;
if (sra & upe)
sts |= SD_PARITY_ERROR;
if (sra & fe)
sts |= SD_FRAMING_ERROR;
osalSysLockFromISR();
chnAddFlagsI(sdp, sts);
osalSysUnlockFromISR();
}
#if AVR_SERIAL_USE_USART0 || defined(__DOXYGEN__)
static void notify1(io_queue_t *qp) {
(void)qp;
UCSR0B |= (1 << UDRIE0);
}
/**
* @brief USART0 initialization.
*
* @param[in] config the architecture-dependent serial driver configuration
*/
static void usart0_init(const SerialConfig *config) {
uint8_t ucsr0c;
UBRR0L = config->sc_brr;
UBRR0H = (config->sc_brr >> 8) & 0x0f;
UCSR0A = (1 << U2X0);
UCSR0B = (1 << RXEN0) | (1 << TXEN0) | (1 << RXCIE0);
switch (config->sc_bits_per_char) {
case USART_CHAR_SIZE_5:
ucsr0c = 0;
break;
case USART_CHAR_SIZE_6:
ucsr0c = (1 << UCSZ00);
break;
case USART_CHAR_SIZE_7:
ucsr0c = (1 << UCSZ01);
break;
case USART_CHAR_SIZE_9:
UCSR0B |= (1 << UCSZ02);
ucsr0c = (1 << UCSZ00) | (1 << UCSZ01);
break;
case USART_CHAR_SIZE_8:
default:
ucsr0c = (1 << UCSZ00) | (1 << UCSZ01);
}
#if defined(__AVR_ATmega162__)
UCSR0C = (1 << URSEL0) | ucsr0c;
#else
UCSR0C = ucsr0c;
#endif
}
/**
* @brief USART0 de-initialization.
*/
static void usart0_deinit(void) {
UCSR0A = 0;
UCSR0B = 0;
#if defined(__AVR_ATmega162__)
UCSR0C = (1 << URSEL0);
#else
UCSR0C = 0;
#endif
}
#endif
#if AVR_SERIAL_USE_USART1 || defined(__DOXYGEN__)
static void notify2(io_queue_t *qp) {
(void)qp;
UCSR1B |= (1 << UDRIE1);
}
/**
* @brief USART1 initialization.
*
* @param[in] config the architecture-dependent serial driver configuration
*/
static void usart1_init(const SerialConfig *config) {
uint8_t ucsr1c;
UBRR1L = config->sc_brr;
UBRR1H = (config->sc_brr >> 8) & 0x0f;
UCSR1A = (1 << U2X0);
UCSR1B = (1 << RXEN1) | (1 << TXEN1) | (1 << RXCIE1);
switch (config->sc_bits_per_char) {
case USART_CHAR_SIZE_5:
ucsr1c = 0;
break;
case USART_CHAR_SIZE_6:
ucsr1c = (1 << UCSZ10);
break;
case USART_CHAR_SIZE_7:
ucsr1c = (1 << UCSZ11);
break;
case USART_CHAR_SIZE_9:
UCSR1B |= (1 << UCSZ12);
ucsr1c = (1 << UCSZ10) | (1 << UCSZ11);
break;
case USART_CHAR_SIZE_8:
default:
ucsr1c = (1 << UCSZ10) | (1 << UCSZ11);
}
#if defined(__AVR_ATmega162__)
UCSR1C = (1 << URSEL1) | ucsr1c;
#else
UCSR1C = ucsr1c;
#endif
}
/**
* @brief USART1 de-initialization.
*/
static void usart1_deinit(void) {
UCSR1A = 0;
UCSR1B = 0;
#if defined(__AVR_ATmega162__)
UCSR1C = (1 << URSEL1);
#else
UCSR1C = 0;
#endif
}
#endif
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
#if AVR_SERIAL_USE_USART0 || defined(__DOXYGEN__)
/**
* @brief USART0 RX interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(AVR_SD1_RX_VECT) {
uint8_t sra;
OSAL_IRQ_PROLOGUE();
sra = UCSR0A;
if (sra & ((1 << DOR0) | (1 << UPE0) | (1 << FE0)))
set_error(sra, &SD1);
osalSysLockFromISR();
sdIncomingDataI(&SD1, UDR0);
osalSysUnlockFromISR();
OSAL_IRQ_EPILOGUE();
}
/**
* @brief USART0 TX interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(AVR_SD1_TX_VECT) {
msg_t b;
OSAL_IRQ_PROLOGUE();
osalSysLockFromISR();
b = sdRequestDataI(&SD1);
osalSysUnlockFromISR();
if (b < MSG_OK)
UCSR0B &= ~(1 << UDRIE0);
else
UDR0 = b;
OSAL_IRQ_EPILOGUE();
}
#endif /* AVR_SERIAL_USE_USART0 */
#if AVR_SERIAL_USE_USART1 || defined(__DOXYGEN__)
/**
* @brief USART1 RX interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(AVR_SD2_RX_VECT) {
uint8_t sra;
OSAL_IRQ_PROLOGUE();
sra = UCSR1A;
if (sra & ((1 << DOR1) | (1 << UPE1) | (1 << FE1)))
set_error(sra, &SD2);
osalSysLockFromISR();
sdIncomingDataI(&SD2, UDR1);
osalSysUnlockFromISR();
OSAL_IRQ_EPILOGUE();
}
/**
* @brief USART1 TX interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(AVR_SD2_TX_VECT) {
msg_t b;
OSAL_IRQ_PROLOGUE();
osalSysLockFromISR();
b = sdRequestDataI(&SD2);
osalSysUnlockFromISR();
if (b < MSG_OK)
UCSR1B &= ~(1 << UDRIE1);
else
UDR1 = b;
OSAL_IRQ_EPILOGUE();
}
#endif /* AVR_SERIAL_USE_USART1 */
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level serial driver initialization.
*
* @notapi
*/
void sd_lld_init(void) {
#if AVR_SERIAL_USE_USART0
sdObjectInit(&SD1, NULL, notify1);
#endif
#if AVR_SERIAL_USE_USART1
sdObjectInit(&SD2, NULL, notify2);
#endif
}
/**
* @brief Low level serial driver configuration and (re)start.
*
* @param[in] sdp pointer to a @p SerialDriver object
* @param[in] config the architecture-dependent serial driver configuration.
* If this parameter is set to @p NULL then a default
* configuration is used.
*
* @notapi
*/
void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
if (config == NULL)
config = &default_config;
#if AVR_SERIAL_USE_USART0
if (&SD1 == sdp) {
usart0_init(config);
return;
}
#endif
#if AVR_SERIAL_USE_USART1
if (&SD2 == sdp) {
usart1_init(config);
return;
}
#endif
}
/**
* @brief Low level serial driver stop.
* @details De-initializes the USART, stops the associated clock, resets the
* interrupt vector.
*
* @param[in] sdp pointer to a @p SerialDriver object
*
* @notapi
*/
void sd_lld_stop(SerialDriver *sdp) {
#if AVR_SERIAL_USE_USART0
if (&SD1 == sdp)
usart0_deinit();
#endif
#if AVR_SERIAL_USE_USART1
if (&SD2 == sdp)
usart1_deinit();
#endif
}
#endif /* HAL_USE_SERIAL */
/** @} */

158
os/hal/ports/AVR/TINY/LLD/USARTv1/hal_serial_lld.h
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@ -1,158 +0,0 @@
/*
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file hal_serial_lld.h
* @brief AVR low level serial driver header.
*
* @addtogroup SERIAL
* @{
*/
#ifndef HAL_SERIAL_LLD_H
#define HAL_SERIAL_LLD_H
#if HAL_USE_SERIAL || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @brief USART0 driver enable switch.
* @details If set to @p TRUE the support for USART0 is included.
* @note The default is @p FALSE.
*/
#if !defined(AVR_SERIAL_USE_USART0) || defined(__DOXYGEN__)
#define AVR_SERIAL_USE_USART0 TRUE
#endif
/**
* @brief USART1 driver enable switch.
* @details If set to @p TRUE the support for USART1 is included.
* @note The default is @p TRUE.
*/
#if !defined(AVR_SERIAL_USE_USART1) || defined(__DOXYGEN__)
#define AVR_SERIAL_USE_USART1 TRUE
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief AVR Serial Driver configuration structure.
* @details An instance of this structure must be passed to @p sdStart()
* in order to configure and start a serial driver operations.
*/
typedef struct {
/**
* @brief Initialization value for the BRR register.
*/
uint16_t sc_brr;
/**
* @brief Number of bits per character (USART_CHAR_SIZE_5 to USART_CHAR_SIZE_9).
*/
uint8_t sc_bits_per_char;
} SerialConfig;
/**
* @brief @p SerialDriver specific data.
*/
#define _serial_driver_data \
_base_asynchronous_channel_data \
/* Driver state.*/ \
sdstate_t state; \
/* Input queue.*/ \
input_queue_t iqueue; \
/* Output queue.*/ \
output_queue_t oqueue; \
/* Input circular buffer.*/ \
uint8_t ib[SERIAL_BUFFERS_SIZE]; \
/* Output circular buffer.*/ \
uint8_t ob[SERIAL_BUFFERS_SIZE]; \
/* End of the mandatory fields.*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @brief Macro for baud rate computation.
* @note Make sure the final baud rate is within tolerance.
*/
#define UBRR(b) (((F_CPU / b) >> 4) - 1)
/**
* @brief Macro for baud rate computation when U2Xn == 1.
* @note Make sure the final baud rate is within tolerance.
*/
#define UBRR2x(b) (((F_CPU / b) >> 3) - 1)
/**
* @brief Macro for baud rate computation.
* @note Make sure the final baud rate is within tolerance.
* @note This version uses floating point math for greater accuracy.
*/
#define UBRR_F(b) ((((double) F_CPU / (double) b) / 16.0) - 0.5)
/**
* @brief Macro for baud rate computation when U2Xn == 1.
* @note Make sure the final baud rate is within tolerance.
* @note This version uses floating point math for greater accuracy.
*/
#define UBRR2x_F(b) ((((double) F_CPU / (double) b) / 8.0) - 0.5)
#define USART_CHAR_SIZE_5 0
#define USART_CHAR_SIZE_6 1
#define USART_CHAR_SIZE_7 2
#define USART_CHAR_SIZE_8 3
#define USART_CHAR_SIZE_9 4
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if AVR_SERIAL_USE_USART0 && !defined(__DOXYGEN__)
extern SerialDriver SD1;
#endif
#if AVR_SERIAL_USE_USART1 && !defined(__DOXYGEN__)
extern SerialDriver SD2;
#endif
#ifdef __cplusplus
extern "C" {
#endif
void sd_lld_init(void);
void sd_lld_start(SerialDriver *sdp, const SerialConfig *config);
void sd_lld_stop(SerialDriver *sdp);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_SERIAL */
#endif /* HAL_SERIAL_LLD_H */
/** @} */