j3d1/esp-open-rtos
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Minor changes in BME680 driver (#543)

Browse source
This commit is contained in:
Gunar Schorcht 2018-01-20 13:02:53 +01:00 • committed by Ruslan V. Uss
parent 8325bb87c5
commit 13db675ac6
7 changed files with 142 additions and 74 deletions
Download patch file Download diff file Expand all files Collapse all files

40
extras/bme680/bme680_platform.h
View file

@ -66,46 +66,14 @@
#include "esp/spi.h"
#include "i2c/i2c.h"
// platform specific definitions
#define spi_semaphore_init()
#define spi_semaphore_take()
#define spi_semaphore_give()
// platform specific SPI functions
#define spi_bus_init(bus,sck,miso,mosi) // not needed on ESP8266
static const spi_settings_t bus_settings = {
.mode = SPI_MODE0,
.freq_divider = SPI_FREQ_DIV_1M,
.msb = true,
.minimal_pins = false,
.endianness = SPI_LITTLE_ENDIAN
};
inline static bool spi_device_init (uint8_t bus, uint8_t cs)
{
gpio_enable(cs, GPIO_OUTPUT);
gpio_write (cs, true);
return true;
}
inline static size_t spi_transfer_pf(uint8_t bus, uint8_t cs, const uint8_t *mosi, uint8_t *miso, uint16_t len)
{
spi_settings_t old_settings;
spi_get_settings(bus, &old_settings);
spi_set_settings(bus, &bus_settings);
gpio_write(cs, false);
size_t transfered = spi_transfer (bus, (const void*)mosi, (void*)miso, len, SPI_8BIT);
gpio_write(cs, true);
spi_set_settings(bus, &old_settings);
return transfered;
}
extern bool spi_device_init (uint8_t bus, uint8_t cs);
extern size_t spi_transfer_pf (uint8_t bus, uint8_t cs,
const uint8_t *mosi, uint8_t *miso,
uint16_t len);
#endif // ESP_OPEN_RTOS