static void setLED(bool blink)
{
if(blink) {
nrf_drv_gpiote_out_set(PIN_NUMBER_LED);
} else {
nrf_drv_gpiote_out_clear(PIN_NUMBER_LED);
}
}
/**
* @brief Set the state of the RGB LED
*
* @param led LED element ID
* @param state LED element state True = lit
*/
void led_rgb_set(uint32_t led, bool state)
{
if(state)
{
nrf_drv_gpiote_out_clear(led_rgb_pin[led]);
}
else
{
nrf_drv_gpiote_out_set(led_rgb_pin[led]);
}
}
static void gpiote_event_handler(nrf_drv_gpiote_pin_t pin, nrf_gpiote_polarity_t action)
{
if ((qenc_count > 0) && qenc_enable_flag)
{
qenc_count--;
qenc_state = next_pos[qenc_state];
}
else if ((qenc_count < 0 ) && qenc_enable_flag )
{
qenc_count++;
qenc_state = next_neg[qenc_state];
}
else if ((qenc_dbl_count > 0 ) && qenc_enable_flag)
{
qenc_dbl_count--;
qenc_state = next_dbl[qenc_state];
}
else
{
qenc_enable_flag = false;
}
if (qenc_state & 0x01)
{
nrf_drv_gpiote_out_set(QENC_CONFIG_PIO_B);
}
else
{
nrf_drv_gpiote_out_clear(QENC_CONFIG_PIO_B);
}
if (qenc_state & 0x02)
{
nrf_drv_gpiote_out_set(QENC_CONFIG_PIO_A);
}
else
{
nrf_drv_gpiote_out_clear(QENC_CONFIG_PIO_A);
}
}
/**@brief Function for application main entry. Does not return. */
int main(void)
{
unsigned char reg = 0x00; //IC Identity Register
nrf_gpio_cfg_output(30); //for the CS pin
nrf_drv_gpiote_out_set(30); //This should assert the CS for the SPI peripheral
m_transfer_completed = false;
// Setup bsp module.
bsp_configuration();
nrf_drv_spi_config_t const config =
{
#if (SPI0_ENABLED == 1)
.sck_pin = SPIM0_SCK_PIN,
.mosi_pin = SPIM0_MOSI_PIN,
.miso_pin = SPIM0_MISO_PIN,
.ss_pin = SPIM0_SS_PIN,
#elif (SPI1_ENABLED == 1)
.sck_pin = SPIM1_SCK_PIN,
.mosi_pin = SPIM1_MOSI_PIN,
.miso_pin = SPIM1_MISO_PIN,
.ss_pin = SPIM1_SS_PIN,
#elif (SPI2_ENABLED == 1)
.sck_pin = SPIM2_SCK_PIN,
.mosi_pin = SPIM2_MOSI_PIN,
.miso_pin = SPIM2_MISO_PIN,
.ss_pin = SPIM2_SS_PIN,
#endif
.irq_priority = APP_IRQ_PRIORITY_LOW,
.orc = 0xCC,
.frequency = NRF_DRV_SPI_FREQ_1M,
.mode = NRF_DRV_SPI_MODE_0,
.bit_order = NRF_DRV_SPI_BIT_ORDER_MSB_FIRST,
.ss_pin = NRF_DRV_SPI_PIN_NOT_USED, //added by DS - if not specified, the nrf_drv_spi_init() will set this to high, which is wrong, CS for AS3911 is active low
};
ret_code_t err_code = nrf_drv_spi_init(&m_spi_master, &config, spi_master_event_handler);
APP_ERROR_CHECK(err_code);
while(1)
{
SPIWriteReg(0x18,0x27);
reg=SPIReadReg(0x18);
SEGGER_RTT_printf(0, " r value is %x\n", reg);
}
}
void SPIWriteReg(uint8_t addr, uint8_t value)
{
uint8_t temp[2];
uint8_t temp_rec[2]={0};
temp[0] = addr & WRITE_MODE;
temp[1] = value;
nrf_drv_gpiote_out_clear(30);
spi_send_recv(temp, temp_rec, 2);
if (m_transfer_completed){
m_transfer_completed=false;
nrf_delay_ms(1);
nrf_drv_gpiote_out_set(30);
}
nrf_delay_ms(1);
}
uint8_t SPIReadReg(uint8_t addr)
{
uint8_t temp[2];
uint8_t temp_rec[2]={0};
temp[0] = addr | READ_MODE ;
temp[1] = 0;
nrf_drv_gpiote_out_clear(30);
spi_send_recv(temp, temp_rec, 2);
if (m_transfer_completed){
m_transfer_completed=false;
nrf_delay_ms(1);
nrf_drv_gpiote_out_set(30);
}
nrf_delay_ms(1);
return temp_rec[1];
}
/**
* @brief LED消灯
*
* @param[in] pin 対象PIN番号
*/
void led_off(int pin)
{
/* アクティブLOW */
nrf_drv_gpiote_out_set(pin);
}
