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user-provided 'sleep' func, for targets without usleep()

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This commit is contained in:
William Clark 2023-11-22 11:48:03 +00:00
parent 9329817cb0
commit 8911be0f32
7 changed files with 29 additions and 5 deletions
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7
bme680.c
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@ -1,7 +1,4 @@
#define _DEFAULT_SOURCE
#include <stdio.h> #include <stdio.h>
#include <unistd.h>
#include "bme680.h" #include "bme680.h"
#include "registers.h" #include "registers.h"
@ -147,7 +144,7 @@ int bme680_reset(bme680_t *bme680) {
} }
ret = bme680->dev.write(reg, magic); ret = bme680->dev.write(reg, magic);
usleep(2000); /* sleep for 2 ms */ bme680->dev.sleep(2000); /* sleep for 2 ms */
return ret; return ret;
} }
@ -215,7 +212,7 @@ int bme680_poll(bme680_t *bme680) {
do { do {
usleep(5000); /* 5 ms */ bme680->dev.sleep(5000); /* 5 ms */
err |= read_dev(bme680, REG_MEAS_STATUS, &meas_status, 1); err |= read_dev(bme680, REG_MEAS_STATUS, &meas_status, 1);
gas_measuring = (meas_status >> 6) & 1; gas_measuring = (meas_status >> 6) & 1;
any_measuring = (meas_status >> 5) & 1; any_measuring = (meas_status >> 5) & 1;

1
bme680.h
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@ -50,6 +50,7 @@ struct bme680_dev {
int (*init) (void); int (*init) (void);
int (*read) (uint8_t reg, uint8_t *dst, uint32_t size); int (*read) (uint8_t reg, uint8_t *dst, uint32_t size);
int (*write) (uint8_t reg, uint8_t value); int (*write) (uint8_t reg, uint8_t value);
int (*sleep) (uint32_t dur_ms);
int (*deinit) (void); int (*deinit) (void);
}; };

5
example/continuous.c
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@ -1,3 +1,6 @@
/* for usleep() */
#define _DEFAULT_SOURCE
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -23,6 +26,8 @@ int main(void) {
bme680.dev.write = spi_write; bme680.dev.write = spi_write;
bme680.dev.deinit = spi_deinit; bme680.dev.deinit = spi_deinit;
bme680.dev.sleep = usleep;
mode = BME680_MODE_FLOAT | BME680_SPI | BME680_ENABLE_GAS; mode = BME680_MODE_FLOAT | BME680_SPI | BME680_ENABLE_GAS;
if (bme680_init(&bme680, mode) != 0) { if (bme680_init(&bme680, mode) != 0) {

5
example/iterate_setpoint.c
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@ -1,3 +1,6 @@
/* for usleep() */
#define _DEFAULT_SOURCE
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -28,6 +31,8 @@ int main(void) {
bme680.dev.write = spi_write; bme680.dev.write = spi_write;
bme680.dev.deinit = spi_deinit; bme680.dev.deinit = spi_deinit;
bme680.dev.sleep = usleep;
mode = BME680_MODE_FLOAT | BME680_SPI | BME680_ENABLE_GAS; mode = BME680_MODE_FLOAT | BME680_SPI | BME680_ENABLE_GAS;
if (bme680_init(&bme680, mode) != 0) { if (bme680_init(&bme680, mode) != 0) {

6
i2c.c
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@ -1,3 +1,9 @@
/*
Example I2C use on linux/raspberry pi
*/
#include <stdio.h> #include <stdio.h>
#include <fcntl.h> #include <fcntl.h>
#include <linux/i2c.h> #include <linux/i2c.h>

4
main.c
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@ -1,3 +1,5 @@
/* for usleep() */
#define _DEFAULT_SOURCE
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -28,6 +30,8 @@ int main(void) {
bme680.dev.write = spi_write; bme680.dev.write = spi_write;
bme680.dev.deinit = spi_deinit; bme680.dev.deinit = spi_deinit;
bme680.dev.sleep = usleep;
/* 2. set the device mode */ /* 2. set the device mode */
mode = BME680_MODE_FLOAT | BME680_SPI | BME680_ENABLE_GAS; mode = BME680_MODE_FLOAT | BME680_SPI | BME680_ENABLE_GAS;
/* BME680_MODE_INT | BME680_I2C; */ /* BME680_MODE_INT | BME680_I2C; */

6
spi.c
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@ -1,3 +1,9 @@
/*
Example SPI use on linux/raspberry pi
*/
#include <stdio.h> #include <stdio.h>
#include <stdint.h> #include <stdint.h>
#include <unistd.h> #include <unistd.h>