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drivers/adt7310: adapted to SPI API changes

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This commit is contained in:
Hauke Petersen 2016-11-08 18:38:02 +01:00
parent f42ae58d27
commit 610e671aac
4 changed files with 12 additions and 31 deletions
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26
drivers/adt7310/adt7310.c
View File

@ -95,15 +95,9 @@ static int adt7310_read_reg(const adt7310_t *dev, const uint8_t addr, const uint
int status = 0;
uint8_t command = ADT7310_CMD_READ | (addr << ADT7310_CMD_ADDR_SHIFT);
/* Acquire exclusive access to the bus. */
spi_acquire(dev->spi);
spi_acquire(dev->spi, dev->cs, SPI_MODE_0, dev->clk);
/* Perform the transaction */
gpio_clear(dev->cs);
if (spi_transfer_regs(dev->spi, command, NULL, (char *)buf, len) < len) {
status = -1;
}
gpio_set(dev->cs);
spi_transfer_regs(dev->spi, dev->cs, command, NULL, buf, (size_t)len);
/* Release the bus for other threads. */
spi_release(dev->spi);
@ -127,34 +121,28 @@ static int adt7310_write_reg(const adt7310_t *dev, const uint8_t addr,
int status = 0;
uint8_t command = ADT7310_CMD_WRITE | (addr << ADT7310_CMD_ADDR_SHIFT);
/* Acquire exclusive access to the bus. */
spi_acquire(dev->spi);
spi_acquire(dev->spi, dev->cs, SPI_MODE_0, dev->clk);
/* Perform the transaction */
gpio_clear(dev->cs);
if (spi_transfer_regs(dev->spi, command, (char *)buf, NULL, len) < len) {
status = -1;
}
gpio_set(dev->cs);
spi_transfer_regs(dev->spi, dev->cs, command, buf, NULL, (size_t)len);
/* Release the bus for other threads. */
spi_release(dev->spi);
return status;
}
int adt7310_init(adt7310_t *dev, spi_t spi, gpio_t cs)
int adt7310_init(adt7310_t *dev, spi_t spi, spi_clk_t clk, gpio_t cs)
{
int status;
uint8_t reg = 0;
/* write device descriptor */
dev->spi = spi;
dev->clk = clk;
dev->cs = cs;
dev->initialized = false;
dev->high_res = false;
/* CS */
gpio_init(dev->cs, GPIO_OUT);
gpio_set(dev->cs);
spi_init_cs(dev->spi, dev->cs);
#if ENABLE_DEBUG
for (int i = 0; i < 8; ++i) {

3
drivers/include/adt7310.h
View File

@ -65,6 +65,7 @@ extern "C"
*/
typedef struct {
spi_t spi; /**< SPI bus the sensor is connected to */
spi_clk_t clk; /**< SPI bus clock speed */
gpio_t cs; /**< CS pin GPIO handle */
bool initialized; /**< sensor status, true if sensor is initialized */
bool high_res; /**< Sensor resolution, true if configured to 16 bit resolution */
@ -124,7 +125,7 @@ int adt7310_set_config(adt7310_t *dev, uint8_t config);
* @return 0 on success
* @return <0 on error
*/
int adt7310_init(adt7310_t *dev, spi_t spi, gpio_t cs);
int adt7310_init(adt7310_t *dev, spi_t spi, spi_clk_t clk, gpio_t cs);
/**
* @brief Read raw temperature register value

2
tests/driver_adt7310/Makefile
View File

@ -9,7 +9,7 @@ USEMODULE += adt7310
USEMODULE += xtimer
# set default device parameters in case they are undefined
TEST_ADT7310_SPI ?= SPI_0
TEST_ADT7310_SPI ?= SPI_DEV\(0\)
TEST_ADT7310_CS ?= GPIO_PIN\(0,0\)
# export parameters

12
tests/driver_adt7310/main.c
View File

@ -36,7 +36,7 @@
#endif
#define SPI_CONF (SPI_CONF_SECOND_FALLING)
#define SPI_SPEED (SPI_SPEED_10MHZ)
#define SPI_CLK (SPI_CLK_10MHZ)
#define SLEEP_CONT (100 * 1000U)
#define SLEEP_1SPS (1000 * 1000U)
@ -89,17 +89,9 @@ int main(void)
adt7310_t dev;
puts("ADT7310 temperature driver test application\n");
printf("Initializing SPI_%i... ", TEST_ADT7310_SPI);
if (spi_init_master(TEST_ADT7310_SPI, SPI_CONF, SPI_SPEED) == 0) {
puts("[OK]");
}
else {
puts("[Failed]\n");
return 1;
}
puts("Initializing ADT7310 sensor... ");
if (adt7310_init(&dev, TEST_ADT7310_SPI, TEST_ADT7310_CS) == 0) {
if (adt7310_init(&dev, TEST_ADT7310_SPI, SPI_CLK, TEST_ADT7310_CS) == 0) {
puts("[OK]");
}
else {