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Kconfig: Support selecting optional features on chips with small flash size

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Add a new HAVE_LIMITED_CODE_SIZE symbol that enables a menu to select
optional features.  This symbol is enabled on chips with small build
sizes.

Replace the HAVE_GPIO_BITBANGING with four new symbols:
WANT_GPIO_BITBANGING, WANT_DISPLAYS, WANT_SENSORS, WANT_SOFTWARE_SPI,
and WANT_SOFTWARE_I2C.  This allows users a little more flexibility
when selecting features they need.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2023-06-08 11:20:59 -04:00
parent 645a1b8364
commit 15d302901f
18 changed files with 77 additions and 36 deletions
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6
src/spicmds.c
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@@ -5,7 +5,7 @@
// This file may be distributed under the terms of the GNU GPLv3 license.
#include <string.h> // memcpy
#include "autoconf.h" // CONFIG_HAVE_GPIO_BITBANGING
#include "autoconf.h" // CONFIG_WANT_SOFTWARE_SPI
#include "board/gpio.h" // gpio_out_write
#include "basecmd.h" // oid_alloc
#include "command.h" // DECL_COMMAND
@@ -92,7 +92,7 @@ spidev_transfer(struct spidev_s *spi, uint8_t receive_data
// Not yet initialized
return;
if (CONFIG_HAVE_GPIO_BITBANGING && flags & SF_SOFTWARE)
if (CONFIG_WANT_SOFTWARE_SPI && flags & SF_SOFTWARE)
spi_software_prepare(spi->spi_software);
else
spi_prepare(spi->spi_config);
@@ -100,7 +100,7 @@ spidev_transfer(struct spidev_s *spi, uint8_t receive_data
if (flags & SF_HAVE_PIN)
gpio_out_write(spi->pin, !!(flags & SF_CS_ACTIVE_HIGH));
if (CONFIG_HAVE_GPIO_BITBANGING && flags & SF_SOFTWARE)
if (CONFIG_WANT_SOFTWARE_SPI && flags & SF_SOFTWARE)
spi_software_transfer(spi->spi_software, receive_data, data_len, data);
else
spi_transfer(spi->spi_config, receive_data, data_len, data);