diff options
| author | Sebastian Plamauer <oeplse@gmail.com> | 2016-10-31 20:18:39 +0100 |
|---|---|---|
| committer | Scott Shawcroft <scott.shawcroft@gmail.com> | 2016-12-19 13:03:50 -0800 |
| commit | 1598e44231a9ea2dbf20f487fcd05ded90e80d9a (patch) | |
| tree | 2020360e16b0a59b3207838274b5159ac9fe3b73 /atmel-samd/asf/sam0 | |
| parent | af17b64a58a421342ebad876b81ab68b91c13473 (diff) | |
atmel-samd: Add preliminary support for UART
Diffstat (limited to 'atmel-samd/asf/sam0')
| -rw-r--r-- | atmel-samd/asf/sam0/drivers/sercom/usart/usart.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/atmel-samd/asf/sam0/drivers/sercom/usart/usart.c b/atmel-samd/asf/sam0/drivers/sercom/usart/usart.c index e0abee9b8..ab1c3bacf 100644 --- a/atmel-samd/asf/sam0/drivers/sercom/usart/usart.c +++ b/atmel-samd/asf/sam0/drivers/sercom/usart/usart.c @@ -187,7 +187,7 @@ static enum status_code _usart_set_config( } /* Set stopbits and enable transceivers */ - ctrlb = + ctrlb = #ifdef FEATURE_USART_IRDA (config->encoding_format_enable << SERCOM_USART_CTRLB_ENC_Pos) | #endif @@ -207,18 +207,18 @@ static enum status_code _usart_set_config( ctrla |= SERCOM_USART_CTRLA_TXINV | SERCOM_USART_CTRLA_RXINV; } ctrlb |= USART_CHARACTER_SIZE_8BIT; - + switch(config->iso7816_config.protocol_t) { case ISO7816_PROTOCOL_T_0: - ctrlb |= (uint32_t)config->stopbits; + ctrlb |= (uint32_t)config->stopbits; ctrlc |= SERCOM_USART_CTRLC_GTIME(config->iso7816_config.guard_time) | \ (config->iso7816_config.inhibit_nack) | \ (config->iso7816_config.successive_recv_nack) | \ SERCOM_USART_CTRLC_MAXITER(config->iso7816_config.max_iterations); - break; + break; case ISO7816_PROTOCOL_T_1: ctrlb |= USART_STOPBITS_1; - break; + break; } } else { #endif @@ -334,8 +334,8 @@ enum status_code usart_init( SercomUsart *const usart_hw = &(module->hw->USART); uint32_t sercom_index = _sercom_get_sercom_inst_index(module->hw); - uint32_t pm_index, gclk_index; -#if (SAML22) || (SAMC20) + uint32_t pm_index, gclk_index; +#if (SAML22) || (SAMC20) pm_index = sercom_index + MCLK_APBCMASK_SERCOM0_Pos; gclk_index = sercom_index + SERCOM0_GCLK_ID_CORE; #elif (SAML21) || (SAMR30) @@ -348,7 +348,7 @@ enum status_code usart_init( } #elif (SAMC21) pm_index = sercom_index + MCLK_APBCMASK_SERCOM0_Pos; - + if (sercom_index == 5){ gclk_index = SERCOM5_GCLK_ID_CORE; } else { @@ -374,7 +374,7 @@ enum status_code usart_init( if (sercom_index == 5) { system_apb_clock_set_mask(SYSTEM_CLOCK_APB_APBD, 1 << pm_index); } else { - system_apb_clock_set_mask(SYSTEM_CLOCK_APB_APBC, 1 << pm_index); + system_apb_clock_set_mask(SYSTEM_CLOCK_APB_APBC, 1 << pm_index); } #else system_apb_clock_set_mask(SYSTEM_CLOCK_APB_APBC, 1 << pm_index); @@ -639,8 +639,8 @@ enum status_code usart_read_wait( * \param[in] tx_data Pointer to data to transmit * \param[in] length Number of characters to transmit * - * \note If using 9-bit data, the array that *tx_data point to should be defined - * as uint16_t array and should be casted to uint8_t* pointer. Because it + * \note If using 9-bit data, the array that *tx_data point to should be defined + * as uint16_t array and should be casted to uint8_t* pointer. Because it * is an address pointer, the highest byte is not discarded. For example: * \code #define TX_LEN 3 @@ -733,8 +733,8 @@ enum status_code usart_write_buffer_wait( * \param[out] rx_data Pointer to receive buffer * \param[in] length Number of characters to receive * - * \note If using 9-bit data, the array that *rx_data point to should be defined - * as uint16_t array and should be casted to uint8_t* pointer. Because it + * \note If using 9-bit data, the array that *rx_data point to should be defined + * as uint16_t array and should be casted to uint8_t* pointer. Because it * is an address pointer, the highest byte is not discarded. For example: * \code #define RX_LEN 3 |