aboutsummaryrefslogtreecommitdiffstats
path: root/host/lib/usrp/usrp2/dboard_interface.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'host/lib/usrp/usrp2/dboard_interface.cpp')
-rw-r--r--host/lib/usrp/usrp2/dboard_interface.cpp95
1 files changed, 57 insertions, 38 deletions
diff --git a/host/lib/usrp/usrp2/dboard_interface.cpp b/host/lib/usrp/usrp2/dboard_interface.cpp
index 6dd756420..eee7c087a 100644
--- a/host/lib/usrp/usrp2/dboard_interface.cpp
+++ b/host/lib/usrp/usrp2/dboard_interface.cpp
@@ -42,9 +42,35 @@ public:
double get_rx_clock_rate(void);
double get_tx_clock_rate(void);
+ void write_spi(
+ unit_type_t unit,
+ const spi_config_t &config,
+ boost::uint32_t data,
+ size_t num_bits
+ ){
+ transact_spi(unit, config, data, num_bits, false /*no rb*/);
+ }
+
+ boost::uint32_t read_spi(
+ unit_type_t unit,
+ const spi_config_t &config,
+ size_t num_bits
+ ){
+ return transact_spi(unit, config, 0, num_bits, true /*rb*/);
+ }
+
+ boost::uint32_t read_write_spi(
+ unit_type_t unit,
+ const spi_config_t &config,
+ boost::uint32_t data,
+ size_t num_bits
+ ){
+ return transact_spi(unit, config, data, num_bits, true /*rb*/);
+ }
+
private:
- byte_vector_t transact_spi(
- spi_dev_t, spi_edge_t, const byte_vector_t &, bool
+ boost::uint32_t transact_spi(
+ unit_type_t, const spi_config_t &, boost::uint32_t, size_t, bool
);
usrp2_impl *_impl;
@@ -136,17 +162,17 @@ void usrp2_dboard_interface::set_atr_reg(gpio_bank_t bank, atr_reg_t atr, boost:
* SPI
**********************************************************************/
/*!
- * Static function to convert a spi dev enum
- * to an over-the-wire value for the usrp2 control.
- * \param dev the dboard interface spi dev enum
+ * Static function to convert a unit type enum
+ * to an over-the-wire value for the spi device.
+ * \param unit the dboard interface unit type enum
* \return an over the wire representation
*/
-static boost::uint8_t spi_dev_to_otw(dboard_interface::spi_dev_t dev){
- switch(dev){
- case uhd::usrp::dboard_interface::SPI_DEV_TX: return SPI_SS_TX_DB;
- case uhd::usrp::dboard_interface::SPI_DEV_RX: return SPI_SS_RX_DB;
+static boost::uint8_t unit_to_otw_dev(dboard_interface::unit_type_t unit){
+ switch(unit){
+ case dboard_interface::UNIT_TYPE_TX: return SPI_SS_TX_DB;
+ case dboard_interface::UNIT_TYPE_RX: return SPI_SS_RX_DB;
}
- throw std::invalid_argument("unknown spi device type");
+ throw std::invalid_argument("unknown unit type type");
}
/*!
@@ -155,43 +181,36 @@ static boost::uint8_t spi_dev_to_otw(dboard_interface::spi_dev_t dev){
* \param edge the dboard interface spi edge enum
* \return an over the wire representation
*/
-static boost::uint8_t spi_edge_to_otw(dboard_interface::spi_edge_t edge){
+static boost::uint8_t spi_edge_to_otw(dboard_interface::spi_config_t::edge_t edge){
switch(edge){
- case uhd::usrp::dboard_interface::SPI_EDGE_RISE: return USRP2_CLK_EDGE_RISE;
- case uhd::usrp::dboard_interface::SPI_EDGE_FALL: return USRP2_CLK_EDGE_FALL;
+ case dboard_interface::spi_config_t::EDGE_RISE: return USRP2_CLK_EDGE_RISE;
+ case dboard_interface::spi_config_t::EDGE_FALL: return USRP2_CLK_EDGE_FALL;
}
throw std::invalid_argument("unknown spi edge type");
}
-dboard_interface::byte_vector_t usrp2_dboard_interface::transact_spi(
- spi_dev_t dev,
- spi_edge_t edge,
- const byte_vector_t &buf,
+boost::uint32_t usrp2_dboard_interface::transact_spi(
+ unit_type_t unit,
+ const spi_config_t &config,
+ boost::uint32_t data,
+ size_t num_bits,
bool readback
){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_TRANSACT_ME_SOME_SPI_BRO);
- out_data.data.spi_args.dev = spi_dev_to_otw(dev);
- out_data.data.spi_args.edge = spi_edge_to_otw(edge);
+ out_data.data.spi_args.dev = unit_to_otw_dev(unit);
+ out_data.data.spi_args.miso_edge = spi_edge_to_otw(config.miso_edge);
+ out_data.data.spi_args.mosi_edge = spi_edge_to_otw(config.mosi_edge);
out_data.data.spi_args.readback = (readback)? 1 : 0;
- out_data.data.spi_args.bytes = buf.size();
-
- //limitation of spi transaction size
- ASSERT_THROW(buf.size() <= sizeof(out_data.data.spi_args.data));
-
- //copy in the data
- std::copy(buf.begin(), buf.end(), out_data.data.spi_args.data);
+ out_data.data.spi_args.num_bits = num_bits;
+ out_data.data.spi_args.data = htonl(data);
//send and recv
usrp2_ctrl_data_t in_data = _impl->ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_OMG_TRANSACTED_SPI_DUDE);
- ASSERT_THROW(in_data.data.spi_args.bytes == buf.size());
- //copy out the data
- byte_vector_t result(buf.size());
- std::copy(in_data.data.spi_args.data, in_data.data.spi_args.data + buf.size(), result.begin());
- return result;
+ return ntohl(out_data.data.spi_args.data);
}
/***********************************************************************
@@ -245,19 +264,19 @@ dboard_interface::byte_vector_t usrp2_dboard_interface::read_i2c(int i2c_addr, s
* \param unit the dboard interface unit type enum
* \return an over the wire representation
*/
-static boost::uint8_t spi_dev_to_otw(dboard_interface::unit_type_t unit){
+static boost::uint8_t unit_to_otw(dboard_interface::unit_type_t unit){
switch(unit){
- case uhd::usrp::dboard_interface::UNIT_TYPE_TX: return USRP2_DIR_TX;
- case uhd::usrp::dboard_interface::UNIT_TYPE_RX: return USRP2_DIR_RX;
+ case dboard_interface::UNIT_TYPE_TX: return USRP2_DIR_TX;
+ case dboard_interface::UNIT_TYPE_RX: return USRP2_DIR_RX;
}
throw std::invalid_argument("unknown unit type type");
}
-void usrp2_dboard_interface::write_aux_dac(dboard_interface::unit_type_t unit, int which, int value){
+void usrp2_dboard_interface::write_aux_dac(unit_type_t unit, int which, int value){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_WRITE_THIS_TO_THE_AUX_DAC_BRO);
- out_data.data.aux_args.dir = spi_dev_to_otw(unit);
+ out_data.data.aux_args.dir = unit_to_otw(unit);
out_data.data.aux_args.which = which;
out_data.data.aux_args.value = htonl(value);
@@ -266,11 +285,11 @@ void usrp2_dboard_interface::write_aux_dac(dboard_interface::unit_type_t unit, i
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_DONE_WITH_THAT_AUX_DAC_DUDE);
}
-int usrp2_dboard_interface::read_aux_adc(dboard_interface::unit_type_t unit, int which){
+int usrp2_dboard_interface::read_aux_adc(unit_type_t unit, int which){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_READ_FROM_THIS_AUX_ADC_BRO);
- out_data.data.aux_args.dir = spi_dev_to_otw(unit);
+ out_data.data.aux_args.dir = unit_to_otw(unit);
out_data.data.aux_args.which = which;
//send and recv
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 10:21:26 +0000