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LP-270 - F0 and F4 Implementation
This commit is contained in:
Alessio Morale
Vladimir Zidar
parent
6d80b55c60
commit
9750879396
@ -7,7 +7,8 @@
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* @{
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*
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* @file pios_usart.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @author The LibrePilot Project, http://www.librepilot.org, Copyright (c) 2016
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* The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @brief USART commands. Inits USARTs, controls USARTs & Interupt handlers. (STM32 dependent)
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* @see The GNU Public License (GPL) Version 3
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*
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@ -37,6 +38,7 @@
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#define PIOS_UART_TX_BUFFER 10
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/* Provide a COM driver */
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static void PIOS_USART_ChangeBaud(uint32_t usart_id, uint32_t baud);
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static void PIOS_USART_ChangeConfig(uint32_t usart_id, enum PIOS_COM_Word_Length word_len, enum PIOS_COM_StopBits stop_bits, enum PIOS_COM_Parity parity);
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static void PIOS_USART_RegisterRxCallback(uint32_t usart_id, pios_com_callback rx_in_cb, uint32_t context);
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static void PIOS_USART_RegisterTxCallback(uint32_t usart_id, pios_com_callback tx_out_cb, uint32_t context);
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static void PIOS_USART_TxStart(uint32_t usart_id, uint16_t tx_bytes_avail);
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@ -44,6 +46,7 @@ static void PIOS_USART_RxStart(uint32_t usart_id, uint16_t rx_bytes_avail);
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const struct pios_com_driver pios_usart_com_driver = {
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.set_baud = PIOS_USART_ChangeBaud,
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.set_config = PIOS_USART_ChangeConfig,
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.tx_start = PIOS_USART_TxStart,
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.rx_start = PIOS_USART_RxStart,
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.bind_tx_cb = PIOS_USART_RegisterTxCallback,
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@ -238,6 +241,67 @@ static void PIOS_USART_ChangeBaud(uint32_t usart_id, uint32_t baud)
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USART_Cmd(usart_dev->cfg->regs, ENABLE);
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}
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/**
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* Changes configuration of the USART peripheral without re-initialising.
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* \param[in] usart_id USART name (GPS, TELEM, AUX)
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* \param[in] word_len Requested word length
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* \param[in] stop_bits Requested stop bits
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* \param[in] parity Requested parity
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*
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*/
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static void PIOS_USART_ChangeConfig(uint32_t usart_id,
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enum PIOS_COM_Word_Length word_len,
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enum PIOS_COM_StopBits stop_bits,
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enum PIOS_COM_Parity parity)
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{
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const struct pios_usart_dev *usart_dev = PIOS_USART_validate(usart_id);
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USART_InitTypeDef USART_InitStructure;
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/* Start with a copy of the default configuration for the peripheral */
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USART_InitStructure = usart_dev->cfg->init;
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switch (word_len) {
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case PIOS_COM_Word_length_8b:
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USART_InitStructure.USART_WordLength = USART_WordLength_8b;
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break;
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case PIOS_COM_Word_length_9b:
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USART_InitStructure.USART_WordLength = USART_WordLength_9b;
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break;
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default:
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break;
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}
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switch (stop_bits) {
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case PIOS_COM_StopBits_1:
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USART_InitStructure.USART_StopBits = USART_StopBits_1;
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break;
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case PIOS_COM_StopBits_1_5:
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USART_InitStructure.USART_StopBits = USART_StopBits_1_5;
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break;
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case PIOS_COM_StopBits_2:
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USART_InitStructure.USART_StopBits = USART_StopBits_2;
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break;
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default:
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break;
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}
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switch (parity) {
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case PIOS_COM_Parity_No:
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USART_InitStructure.USART_Parity = USART_Parity_No;
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break;
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case PIOS_COM_Parity_Even:
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USART_InitStructure.USART_Parity = USART_Parity_Even;
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break;
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case PIOS_COM_Parity_Odd:
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USART_InitStructure.USART_Parity = USART_Parity_Odd;
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break;
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default:
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break;
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}
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/* Write back the new configuration */
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USART_Init(usart_dev->cfg->regs, &USART_InitStructure);
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}
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static void PIOS_USART_RegisterRxCallback(uint32_t usart_id, pios_com_callback rx_in_cb, uint32_t context)
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{
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struct pios_usart_dev *usart_dev = PIOS_USART_validate(usart_id);
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@ -7,7 +7,8 @@
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* @{
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*
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* @file pios_usart.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
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* @author The LibrePilot Project, http://www.librepilot.org, Copyright (c) 2016
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* The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @brief USART commands. Inits USARTs, controls USARTs & Interupt handlers. (STM32 dependent)
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* @see The GNU Public License (GPL) Version 3
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*
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@ -40,6 +41,7 @@
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/* Provide a COM driver */
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static void PIOS_USART_ChangeBaud(uint32_t usart_id, uint32_t baud);
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static void PIOS_USART_ChangeConfig(uint32_t usart_id, enum PIOS_COM_Word_Length word_len, enum PIOS_COM_StopBits stop_bits, enum PIOS_COM_Parity parity);
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static void PIOS_USART_SetCtrlLine(uint32_t usart_id, uint32_t mask, uint32_t state);
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static void PIOS_USART_RegisterRxCallback(uint32_t usart_id, pios_com_callback rx_in_cb, uint32_t context);
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static void PIOS_USART_RegisterTxCallback(uint32_t usart_id, pios_com_callback tx_out_cb, uint32_t context);
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@ -48,6 +50,7 @@ static void PIOS_USART_RxStart(uint32_t usart_id, uint16_t rx_bytes_avail);
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const struct pios_com_driver pios_usart_com_driver = {
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.set_baud = PIOS_USART_ChangeBaud,
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.set_config = PIOS_USART_ChangeConfig,
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.set_ctrl_line = PIOS_USART_SetCtrlLine,
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.tx_start = PIOS_USART_TxStart,
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.rx_start = PIOS_USART_RxStart,
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@ -284,6 +287,74 @@ static void PIOS_USART_ChangeBaud(uint32_t usart_id, uint32_t baud)
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USART_Init(usart_dev->cfg->regs, &USART_InitStructure);
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}
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/**
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* Changes configuration of the USART peripheral without re-initialising.
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* \param[in] usart_id USART name (GPS, TELEM, AUX)
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* \param[in] word_len Requested word length
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* \param[in] stop_bits Requested stop bits
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* \param[in] parity Requested parity
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*
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*/
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static void PIOS_USART_ChangeConfig(uint32_t usart_id,
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enum PIOS_COM_Word_Length word_len,
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enum PIOS_COM_StopBits stop_bits,
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enum PIOS_COM_Parity parity)
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{
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struct pios_usart_dev *usart_dev = (struct pios_usart_dev *)usart_id;
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bool valid = PIOS_USART_validate(usart_dev);
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PIOS_Assert(valid);
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USART_InitTypeDef USART_InitStructure;
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/* Start with a copy of the default configuration for the peripheral */
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USART_InitStructure = usart_dev->cfg->init;
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switch (word_len) {
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case PIOS_COM_Word_length_8b:
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USART_InitStructure.USART_WordLength = USART_WordLength_8b;
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break;
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case PIOS_COM_Word_length_9b:
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USART_InitStructure.USART_WordLength = USART_WordLength_9b;
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break;
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default:
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break;
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}
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switch (stop_bits) {
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case PIOS_COM_StopBits_0_5:
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USART_InitStructure.USART_StopBits = USART_StopBits_0_5;
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break;
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case PIOS_COM_StopBits_1:
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USART_InitStructure.USART_StopBits = USART_StopBits_1;
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break;
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case PIOS_COM_StopBits_1_5:
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USART_InitStructure.USART_StopBits = USART_StopBits_1_5;
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break;
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case PIOS_COM_StopBits_2:
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USART_InitStructure.USART_StopBits = USART_StopBits_2;
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break;
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default:
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break;
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}
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switch (parity) {
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case PIOS_COM_Parity_No:
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USART_InitStructure.USART_Parity = USART_Parity_No;
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break;
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case PIOS_COM_Parity_Even:
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USART_InitStructure.USART_Parity = USART_Parity_Even;
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break;
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case PIOS_COM_Parity_Odd:
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USART_InitStructure.USART_Parity = USART_Parity_Odd;
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break;
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default:
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break;
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}
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/* Write back the new configuration */
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USART_Init(usart_dev->cfg->regs, &USART_InitStructure);
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}
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static void PIOS_USART_SetCtrlLine(uint32_t usart_id, uint32_t mask, uint32_t state)
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{
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struct pios_usart_dev *usart_dev = (struct pios_usart_dev *)usart_id;
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