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spicmds: Rework spi config commands

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Rework the spi_config commands so that bus configuration and shutdown
message configuration is done separately from the main "config_spi"
command.  This makes the spi configuration more flexible.  It's now
possible to use software spi without a CS pin.  It's now possible to
define multiple SPI messages to send on a shutdown event.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2019-08-06 11:44:29 -04:00
parent 30bd7c0e47
commit c2a08962b7
9 changed files with 115 additions and 116 deletions
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4
src/spicmds.h
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@@ -4,7 +4,9 @@
#include <stdint.h> // uint8_t
struct spidev_s *spidev_oid_lookup(uint8_t oid);
struct spi_software;
void spidev_set_software_bus(struct spidev_s *spi, struct spi_software *ss);
void spidev_transfer(struct spidev_s *spi, uint8_t receive_data
, uint8_t data_len, uint8_t *data);
#endif // stepper.h
#endif // spicmds.h