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Kconfig: Add new WANT_I2C option to reduce code size

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Make it possible to not compile in support for I2C on chips with small
flash sizes.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2025-04-09 12:36:24 -04:00
parent 868760f5b1
commit 04e7eb20fd
8 changed files with 43 additions and 33 deletions
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6
src/sensor_lis2dw.c
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@@ -85,7 +85,7 @@ command_config_lis2dw(uint32_t *args)
shutdown("bus_type spi unsupported");
}
case I2C_SERIAL:
if (CONFIG_HAVE_GPIO_I2C) {
if (CONFIG_WANT_I2C) {
ax->i2c = i2cdev_oid_lookup(args[1]);
ax->bus_type = I2C_SERIAL;
break;
@@ -147,7 +147,7 @@ lis2dw_query(struct lis2dw *ax, uint8_t oid)
for (uint32_t i = 0; i < BYTES_PER_SAMPLE; i++)
d[i] = msg[i + 1];
} else if (CONFIG_HAVE_GPIO_I2C && ax->bus_type == I2C_SERIAL) {
} else if (CONFIG_WANT_I2C && ax->bus_type == I2C_SERIAL) {
uint8_t msg_reg[] = {LIS_AR_DATAX0};
if (ax->model == LIS3DH)
msg_reg[0] |= LIS_MS_I2C;
@@ -226,7 +226,7 @@ command_query_lis2dw_status(uint32_t *args)
spidev_transfer(ax->spi, 1, sizeof(msg), msg);
time2 = timer_read_time();
status = msg[1];
} else if (CONFIG_HAVE_GPIO_I2C && ax->bus_type == I2C_SERIAL) {
} else if (CONFIG_WANT_I2C && ax->bus_type == I2C_SERIAL) {
uint8_t fifo_reg[1] = {LIS_FIFO_SAMPLES};
uint8_t fifo[1];