SmartBond DA14530和DA14531

你好,

我正在使用Pro Dev Board在DA14531中的多个SPI传感器从站工作。我试图打开芯片选择奴隶，但我不成功。

我在BLE论坛上读过这个话题，但是不清楚如何切换到选片:

https://www.dialog-semicondiondiondimicon.com/forums/post/dialog-martbond-bluetooth-low-energy-%2%80%93-software/spi-cs-funcgpio.

https://www.dialog-seminile.com/produ亚博电竞菠菜cts/bluetooth-low-energy/da14530-and-da14531?post_id=12318#tab-support_tab_content.

以下是我的两个传感器DPS368和KX132的代码(每个传感器都经过测试，在其端口和引脚设置时工作良好)

在设置开始时，它只工作一个传感器:

spi_sel_pins.spi_cs_port = dps368_spi_cs_port;

spi_sel_pins。spi_cs_pin = DPS368_SPI_CS_PIN;

当我切换以选择另一个传感器KX132时，它不适用于该第二传感器。

GPIO_ConfigurePin(KX132_SPI_CS_PORT, KX132_SPI_CS_PIN, OUTPUT, PID_SPI_EN, true);

spi_sel_pins。spi_cs_port = KX132_SPI_CS_PORT;

spi_sel_pins。spi_cs_pin = KX132_SPI_CS_PIN;

请给我一个选择芯片的配置建议。

非常感谢,

杰克

// ===============================================================================

// ================================= 在文件user_periph_setup.c

// ===============================================================================

_spi_sel_pins spi_sel_pins;

spi_cfg_t spi_cfg;

空白GPIO_reservations(空白)

｛

保留gpio (dps368_spi_miso, dps368_spi_miso_port, dps368_spi_miso_pin, pid_spi_di);

保留_GPIO（DPS368_SPI_MOSI，DPS368_SPI_MOSI_PORT，DPS368_SPI_MOSI_PIN，PID_SPI_DO）;

保留gpio (dps368_spi_clk, dps368_spi_clk_port, dps368_spi_clk_pin, pid_spi_clk);

保留_GPIO（DPS368_SPI_CS，DPS368_SPI_CS_PORT，DPS368_SPI_CS_PIN，PID_SPI_EN）;

保留_GPIO（kx132_spi_cs，kx132_spi_cs_port，kx132_spi_cs_pin，pid_spi_en）;

Reserve_gpio (dps368_int, dps368_int_port, dps368_int_pin, pid_gpio);

#如果定义(CFG_PRINTF_UART2)

Reserve_gpio (uart2_tx, uart2_tx_port, uart2_tx_pin, pid_uart2_tx);

# endif

｝

// ===============================================================================

空白set_pad_functions(空白)

｛

spi_cfg。spi_ms = SPI_MS_MODE_MASTER;

spi_cfg。spi_cp = SPI_CP_MODE_3;

spi_cfg。spi_speed = SPI_SPEED_MODE_2MHz;

spi_cfg.spi_wsz = spi_mode_8bit;

spi_cfg。spi_cs = SPI_CS_0;

spi_cfg。spi_irq = SPI_IRQ_DISABLED;

spi_cfg.cs_pad。端口= (GPIO_PORT) spi_sel_pins.spi_cs_port;

spi_cfg.cs_pad。销= (GPIO_PIN) spi_sel_pins.spi_cs_pin;

#如果定义(__DA14531__)

//在P0_0上禁用HW RST，这样它就可以用作SPI MOSI。

gpio_disable_hw_reset（）;

# endif

GPIO_ConfigurePin (spi_sel_pins (GPIO_PORT)。spi_sel_pins spi_cs_port (GPIO_PIN)。spi_cs_pin, OUTPUT, PID_SPI_EN, true);

GPIO_ConfigurePin (spi_sel_pins (GPIO_PORT)。spi_sel_pins spi_clk_port (GPIO_PIN)。spi_clk_pin, OUTPUT, PID_SPI_CLK, false);

gpio_configurepin（（gpio_port）spi_sel_pins.spi_do_port，（gpio_pin）spi_sel_pins.spi_do_pin，输出，pid_spi_do，false）;

GPIO_ConfigurePin (spi_sel_pins (GPIO_PORT)。spi_sel_pins spi_di_port (GPIO_PIN)。spi_di_pin, INPUT, PID_SPI_DI, false);

GPIO_ConfigurePin(KX132_SPI_CS_PORT, KX132_SPI_CS_PIN, OUTPUT, PID_SPI_EN, true);

gpio_configurepin（dps368_spi_cs_port，dps368_spi_cs_pin，输出，pid_spi_en，true）;

GPIO_ConfigurePin(DPS368_INT_PORT, DPS368_INT_PIN, INPUT, PID_GPIO, false);

#如果定义(CFG_PRINTF_UART2)

//配置UART2 TX Pad

gpio_configurein (UART2_TX_PORT, UART2_TX_PIN, OUTPUT, PID_UART2_TX, false);

# endif

｝

// ===============================================================================

空白init_spi_pads (void) {

memset (&spi_sel_pins 0 sizeof (_spi_sel_pins));

spi_sel_pins.spi_cs_port = dps368_spi_cs_port;

spi_sel_pins。spi_cs_pin = DPS368_SPI_CS_PIN;

spi_sel_pins.spi_clk_port = dps368_spi_clk_port;

spi_sel_pins。spi_clk_pin = DPS368_SPI_CLK_PIN;

spi_sel_pins。spi_do_port = DPS368_SPI_MOSI_PORT;

spi_sel_pins。spi_do_pin = DPS368_SPI_MOSI_PIN;

spi_sel_pins。spi_di_port = DPS368_SPI_MISO_PORT;

spi_sel_pins。spi_di_pin = DPS368_SPI_MISO_PIN;

#如果定义(__DA14531__)

/ / spi_uses_p00 = (SPI_CS_PIN = = GPIO_PIN_0) | | (SPI_CLK_PIN = = GPIO_PIN_0) | | (SPI_DO_PIN = = GPIO_PIN_0) | | (SPI_DI_PIN = = GPIO_PIN_0);

# endif

｝

// ===============================================================================

空白periph_init(空白)

｛

#如果定义(__DA14531__)

//在Boost模式下，使DCDC转换器为使用的gpio提供VBAT_HIGH

syscntl_dcdc_turn_on_in_boost (SYSCNTL_DCDC_LEVEL_3V0);

其他#

//启动外设的电源域

SetBits16 (PMU_CTRL_REG PERIPH_SLEEP 0);

while (!(GetWord16(SYS_STAT_REG) & PER_IS_UP));

SetBits16 (CLK_16M_REG XTAL16_BIAS_SH_ENABLE 1);

# endif

/ /罗补丁

patch_func ();

/ /初始化设备

#如果定义(CFG_PRINTF_UART2)

/ /初始化UART2

uart_initialize (UART2 &uart_cfg);

# endif

//设置pad功能

init_spi_pads ();/ /多个奴隶

set_pad_functions ();

//启用垫子

GPIO_set_pad_latch_en(真正的);

/ /初始化SPI

spi_initialize（＆spi_cfg）;

｝

空白chipSelectKx132 (void) {

GPIO_ConfigurePin(KX132_SPI_CS_PORT, KX132_SPI_CS_PIN, OUTPUT, PID_SPI_EN, true);

spi_sel_pins。spi_cs_port = KX132_SPI_CS_PORT;

spi_sel_pins。spi_cs_pin = KX132_SPI_CS_PIN;

｝

void chipelectdps368（空白）{

gpio_configurepin（dps368_spi_cs_port，dps368_spi_cs_pin，输出，pid_spi_en，true）;

spi_sel_pins.spi_cs_port = dps368_spi_cs_port;

spi_sel_pins。spi_cs_pin = DPS368_SPI_CS_PIN;

｝

// ===============================================================================

// ================================= 在文件user_periph_setup.h

// ===============================================================================

//为SPI设置引脚

#定义DPS368_SPI_CLK_PORT GPIO_PORT_0

#定义DPS368_SPI_CLK_PIN GPIO_PIN_4

#定义DPS368_SPI_MOSI_PORT GPIO_PORT_0

#define dps368_spi_mosi_pin gpio_pin_0.

#define dps368_spi_miso_port gpio_port_0.

#定义DPS368_SPI_MISO_PIN GPIO_PIN_3

#定义KX132_SPI_CS_PORT GPIO_PORT_0

#定义KX132_SPI_CS_PIN GPIO_PIN_1

#定义DPS368_SPI_CS_PORT GPIO_PORT_0

#定义DPS368_SPI_CS_PIN GPIO_PIN_7

//设置多个slave

typedef struct __spi_sel_pins

｛

uint8_t spi_cs_port;

uint8_t spi_cs_pin;

uint8_t spi_clk_port;

uint8_t spi_clk_pin;

uint8_t spi_do_port;

uint8_t spi_do_pin;

uint8_t spi_di_port;

uint8_t spi_di_pin;

} _spi_sel_pins;

// ===============================================================================

// ================================= 在文件user_app.c

// ===============================================================================

/ /调用

chipSelectDps368 ();

//从传感器Dps368读取数据:WORKED FINE

//切换到选择另一个传感器Kx132: NOT SUCCESS (no error but cannot talk to the sensor)

chipSelectKx132 ();