void test_app_init(void)
{
nrf_gpio_cfg_output(LED_0);
nrf_gpio_cfg_output(LED_1);
#ifdef BOARD_PCA10000
nrf_gpio_pin_clear(LED_RGB_RED);
nrf_gpio_pin_clear(LED_RGB_GREEN);
nrf_gpio_pin_clear(LED_RGB_BLUE);
#endif
#ifdef BOARD_PCA10031
nrf_gpio_pin_clear(LED_RGB_RED);
nrf_gpio_pin_clear(LED_RGB_GREEN);
nrf_gpio_pin_clear(LED_RGB_BLUE);
#endif
#ifdef BOARD_PCA10001
nrf_gpio_range_cfg_output(0, 32);
nrf_gpio_cfg_input(BUTTON_0, BUTTON_PULL);
nrf_gpio_cfg_input(BUTTON_1, BUTTON_PULL);
gpiote_init();
#endif
#ifdef BOARD_PCA10031
nrf_gpio_range_cfg_output(0, 32);
nrf_gpio_cfg_input(BUTTON_0, BUTTON_PULL);
nrf_gpio_cfg_input(BUTTON_1, BUTTON_PULL);
gpiote_init();
#endif
led_config(1, 0);
led_config(2, 0);
}
}
void set_rx_handler (void (*handler) (uint8_t * ptr) ){
rx_handler = handler;
}
void uart_init(){
/* Make rx_handler NULL, configure it with set_rx_handler */
rx_handler = NULL;
/* Configure TX and RX pins from board.h */
nrf_gpio_cfg_output(TX_PIN_NUMBER);
nrf_gpio_cfg_input(RX_PIN_NUMBER, NRF_GPIO_PIN_NOPULL);
NRF_UART0->PSELTXD = TX_PIN_NUMBER;
NRF_UART0->PSELRXD = RX_PIN_NUMBER;
/* Configure CTS and RTS pins if HWFC is true in board.h */
if(HWFC){
nrf_gpio_cfg_output(RTS_PIN_NUMBER);
nrf_gpio_cfg_input(CTS_PIN_NUMBER, NRF_GPIO_PIN_NOPULL);
NRF_UART0->PSELRTS = RTS_PIN_NUMBER;
NRF_UART0->PSELCTS = CTS_PIN_NUMBER;
NRF_UART0->CONFIG = (UART_CONFIG_HWFC_Enabled << UART_CONFIG_HWFC_Pos);
}
/* Configure other UART parameters, BAUD rate is defined in uart_nrf.h */
NRF_UART0->BAUDRATE = (UART_BAUDRATE << UART_BAUDRATE_BAUDRATE_Pos);
NRF_UART0->ENABLE = (UART_ENABLE_ENABLE_Enabled << UART_ENABLE_ENABLE_Pos);
NRF_UART0->EVENTS_RXDRDY = 0;
// Enable UART RX interrupt only
NRF_UART0->INTENSET = (UART_INTENSET_RXDRDY_Set << UART_INTENSET_RXDRDY_Pos);
NVIC_SetPriority(UART0_IRQn, 4);
SwitchPosition Switch()
{
SwitchPosition result;
//nrf_gpio_cfg_output(SWITCH_PIN1);
//nrf_gpio_pin_clear(SWITCH_PIN1);
nrf_gpio_cfg_input(SWITCH_PIN2, NRF_GPIO_PIN_PULLUP);
nrf_delay_us(10);
if(nrf_gpio_pin_read(SWITCH_PIN2) == 0)
{
result = SwitchESB;
}
else
{
result = SwitchBLE;
}
//nrf_gpio_cfg_input(SWITCH_PIN1, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_input(SWITCH_PIN2, NRF_GPIO_PIN_NOPULL);
return result;
}
static void configure_pins(nrfx_i2s_config_t const * p_config)
{
uint32_t mck_pin, sdout_pin, sdin_pin;
// Configure pins used by the peripheral:
// - SCK and LRCK (required) - depending on the mode of operation these
// pins are configured as outputs (in Master mode) or inputs (in Slave
// mode).
if (p_config->mode == NRF_I2S_MODE_MASTER)
{
nrf_gpio_cfg_output(p_config->sck_pin);
nrf_gpio_cfg_output(p_config->lrck_pin);
}
else
{
nrf_gpio_cfg_input(p_config->sck_pin, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_input(p_config->lrck_pin, NRF_GPIO_PIN_NOPULL);
}
// - MCK (optional) - always output,
if (p_config->mck_pin != NRFX_I2S_PIN_NOT_USED)
{
mck_pin = p_config->mck_pin;
nrf_gpio_cfg_output(mck_pin);
}
else
{
mck_pin = NRF_I2S_PIN_NOT_CONNECTED;
}
// - SDOUT (optional) - always output,
if (p_config->sdout_pin != NRFX_I2S_PIN_NOT_USED)
{
sdout_pin = p_config->sdout_pin;
nrf_gpio_cfg_output(sdout_pin);
}
else
{
sdout_pin = NRF_I2S_PIN_NOT_CONNECTED;
}
// - SDIN (optional) - always input.
if (p_config->sdin_pin != NRFX_I2S_PIN_NOT_USED)
{
sdin_pin = p_config->sdin_pin;
nrf_gpio_cfg_input(sdin_pin, NRF_GPIO_PIN_NOPULL);
}
else
{
sdin_pin = NRF_I2S_PIN_NOT_CONNECTED;
}
nrf_i2s_pins_set(NRF_I2S,
p_config->sck_pin,
p_config->lrck_pin,
mck_pin,
sdout_pin,
sdin_pin);
}
void uartreader_init(uartreader_init_t * init)
{
NRF_UART0->BAUDRATE = init->baudrate << UART_BAUDRATE_BAUDRATE_Pos;
nrf_gpio_cfg_input(init->rxd_pin_no, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_output(init->txd_pin_no);
NRF_UART0->PSELTXD = init->txd_pin_no;
NRF_UART0->PSELRXD = init->rxd_pin_no;
if (init->hwfc)
{
nrf_gpio_cfg_input(init->cts_pin_no, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_output(init->rts_pin_no);
NRF_UART0->PSELCTS = init->cts_pin_no;
NRF_UART0->PSELRTS = init->rts_pin_no;
NRF_UART0->CONFIG = UART_CONFIG_HWFC_Enabled << UART_CONFIG_HWFC_Pos;
}
else
{
NRF_UART0->CONFIG = UART_CONFIG_HWFC_Disabled << UART_CONFIG_HWFC_Pos;
}
m_evt_handler = init->evt_handler;
m_buffer_index = 0;
NRF_UART0->INTENSET = UART_INTENSET_RXDRDY_Enabled << UART_INTENSET_RXDRDY_Pos;
NVIC_EnableIRQ(UART0_IRQn);
NRF_UART0->ENABLE = UART_ENABLE_ENABLE_Enabled << UART_ENABLE_ENABLE_Pos;
NRF_UART0->TASKS_STARTRX = 1;
}
static void roni_init(void)
{
nrf_gpio_cfg_input(RT5350_TO_NRF51_MAIL_IO, NRF_GPIO_PIN_PULLDOWN);
// To avoid IO collision, configure RINO as input and wait
// until RT5350 signal us
nrf_gpio_cfg_input(NRF51_TO_RT5350_MAIL_IO, NRF_GPIO_PIN_PULLDOWN);
}
void n5_io_button_init(void)
{
nrf_gpio_cfg_input(BUTTON_A, BUTTON_PULL);
nrf_gpio_cfg_input(BUTTON_B, BUTTON_PULL);
nrf_gpio_cfg_input(BUTTON_C, BUTTON_PULL);
nrf_gpio_cfg_input(BUTTON_D, BUTTON_PULL);
}
//================USB charing detect==================================
uint8_t USB_detect(void)
{
//nrf_gpio_cfg_input(USB_DETECT_PIN, NRF_GPIO_PIN_PULLUP);
//nrf_gpio_cfg_input(USB_DETECT_PIN, NRF_GPIO_PIN_NOPULL);
//nrf_delay_100us(1);
if(nrf_gpio_pin_read(USB_DETECT_PIN)==1)
{
//nrf_gpio_cfg_input(USB_DETECT_PIN, NRF_GPIO_PIN_PULLDOWN);
if(chargeing_init==DISABLE_CHARGING_PIN_INIT)
{
//nrf_gpio_cfg_input(CHARGE_PIN, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_input(CHARGE_PIN, NRF_GPIO_PIN_PULLUP);
chargeing_init=ENABLE_CHARGING_PIN_INIT;
}
return 1;
}
else
{
if(chargeing_init==ENABLE_CHARGING_PIN_INIT)
{
nrf_gpio_cfg_input(CHARGE_PIN, NRF_GPIO_PIN_PULLDOWN);
chargeing_init=DISABLE_CHARGING_PIN_INIT;
}
//nrf_gpio_cfg_input(USB_DETECT_PIN, NRF_GPIO_PIN_PULLDOWN);
return 0;
}
}
static void apply_config(nrfx_uart_t const * p_instance,
nrfx_uart_config_t const * p_config)
{
if (p_config->pseltxd != NRF_UART_PSEL_DISCONNECTED)
{
nrf_gpio_pin_set(p_config->pseltxd);
nrf_gpio_cfg_output(p_config->pseltxd);
}
if (p_config->pselrxd != NRF_UART_PSEL_DISCONNECTED)
{
nrf_gpio_cfg_input(p_config->pselrxd, NRF_GPIO_PIN_NOPULL);
}
nrf_uart_baudrate_set(p_instance->p_reg, p_config->baudrate);
nrf_uart_configure(p_instance->p_reg, p_config->parity, p_config->hwfc);
nrf_uart_txrx_pins_set(p_instance->p_reg, p_config->pseltxd, p_config->pselrxd);
if (p_config->hwfc == NRF_UART_HWFC_ENABLED)
{
if (p_config->pselcts != NRF_UART_PSEL_DISCONNECTED)
{
nrf_gpio_cfg_input(p_config->pselcts, NRF_GPIO_PIN_NOPULL);
}
if (p_config->pselrts != NRF_UART_PSEL_DISCONNECTED)
{
nrf_gpio_pin_set(p_config->pselrts);
nrf_gpio_cfg_output(p_config->pselrts);
}
nrf_uart_hwfc_pins_set(p_instance->p_reg, p_config->pselrts, p_config->pselcts);
}
}
ret_code_t nrf_drv_qdec_init(const nrf_drv_qdec_config_t * p_config,
qdec_event_handler_t event_handler)
{
if (m_state != NRF_DRV_STATE_UNINITIALIZED)
{
return NRF_ERROR_INVALID_STATE; // qdec_event_handler has been already registered
}
if (p_config == NULL)
{
p_config = &m_default_config;
}
if (event_handler)
{
m_qdec_event_handler = event_handler;
}
else
{
return NRF_ERROR_INVALID_PARAM;
}
nrf_qdec_sampleper_set(p_config->sampleper);
nrf_gpio_cfg_input(p_config->pselled,NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_input(p_config->psela, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_input(p_config->pselb, NRF_GPIO_PIN_NOPULL);
nrf_qdec_pio_assign( p_config->psela, p_config->pselb, p_config->pselled);
nrf_qdec_ledpre_set(p_config->ledpre);
nrf_qdec_ledpol_set(p_config->ledpol);
nrf_qdec_shorts_enable(NRF_QDEC_SHORT_REPORTRDY_READCLRACC_MASK);
if (p_config->dbfen)
{
nrf_qdec_dbfen_enable();
}
else
{
nrf_qdec_dbfen_disable();
}
uint32_t int_mask = NRF_QDEC_INT_ACCOF_MASK;
if (p_config->reportper != NRF_QDEC_REPORTPER_DISABLED)
{
nrf_qdec_reportper_set(p_config->reportper);
int_mask |= NRF_QDEC_INT_REPORTRDY_MASK;
}
if (p_config->sample_inten)
{
int_mask |= NRF_QDEC_INT_SAMPLERDY_MASK;
}
nrf_qdec_int_enable(int_mask);
nrf_drv_common_irq_enable(QDEC_IRQn, p_config->interrupt_priority);
m_state = NRF_DRV_STATE_INITIALIZED;
return NRF_SUCCESS;
}
void simple_uart_config(uint8_t rts_pin_number,
uint8_t txd_pin_number,
uint8_t cts_pin_number,
uint8_t rxd_pin_number,
bool hwfc)
{
/** @snippet [Configure UART RX and TX pin] */
nrf_gpio_cfg_output(txd_pin_number);
nrf_gpio_cfg_input(rxd_pin_number, NRF_GPIO_PIN_NOPULL);
NRF_UART0->PSELTXD = txd_pin_number;
NRF_UART0->PSELRXD = rxd_pin_number;
/** @snippet [Configure UART RX and TX pin] */
if (hwfc)
{
nrf_gpio_cfg_output(rts_pin_number);
nrf_gpio_cfg_input(cts_pin_number, NRF_GPIO_PIN_NOPULL);
NRF_UART0->PSELCTS = cts_pin_number;
NRF_UART0->PSELRTS = rts_pin_number;
NRF_UART0->CONFIG = (UART_CONFIG_HWFC_Enabled << UART_CONFIG_HWFC_Pos);
}
NRF_UART0->BAUDRATE = (UART_BAUDRATE_BAUDRATE_Baud38400 << UART_BAUDRATE_BAUDRATE_Pos);
NRF_UART0->ENABLE = (UART_ENABLE_ENABLE_Enabled << UART_ENABLE_ENABLE_Pos);
NRF_UART0->TASKS_STARTTX = 1;
NRF_UART0->TASKS_STARTRX = 1;
NRF_UART0->EVENTS_RXDRDY = 0;
}
void n5_io_switch_init(void)
{
nrf_gpio_cfg_input(SWITCH_1, SWITCH_PULL);
nrf_gpio_cfg_input(SWITCH_2, SWITCH_PULL);
nrf_gpio_cfg_input(SWITCH_3, SWITCH_PULL);
nrf_gpio_cfg_input(SWITCH_4, SWITCH_PULL);
nrf_gpio_cfg_input(SWITCH_5, SWITCH_PULL);
}
otError otPlatUartEnable(void)
{
otError error = OT_ERROR_NONE;
otEXPECT_ACTION(sUartEnabled == false, error = OT_ERROR_ALREADY);
// Set up TX and RX pins.
nrf_gpio_pin_set(UART_PIN_TX);
nrf_gpio_cfg_output(UART_PIN_TX);
nrf_gpio_cfg_input(UART_PIN_RX, NRF_GPIO_PIN_NOPULL);
nrf_uart_txrx_pins_set(UART_INSTANCE, UART_PIN_TX, UART_PIN_RX);
#if (UART_HWFC == NRF_UART_HWFC_ENABLED)
// Set up CTS and RTS pins.
nrf_gpio_cfg_input(UART_PIN_CTS, NRF_GPIO_PIN_NOPULL);
nrf_gpio_pin_set(UART_PIN_RTS);
nrf_gpio_cfg_output(UART_PIN_RTS);
nrf_uart_hwfc_pins_set(UART_INSTANCE, UART_PIN_RTS, UART_PIN_CTS);
#endif
// Configure baudrate.
nrf_uart_baudrate_set(UART_INSTANCE, UART_BAUDRATE);
// Configure parity and hardware flow control.
nrf_uart_configure(UART_INSTANCE, UART_PARITY, UART_HWFC);
// Clear UART specific events.
nrf_uart_event_clear(UART_INSTANCE, NRF_UART_EVENT_TXDRDY);
nrf_uart_event_clear(UART_INSTANCE, NRF_UART_EVENT_ERROR);
nrf_uart_event_clear(UART_INSTANCE, NRF_UART_EVENT_RXDRDY);
// Enable interrupts for TX.
nrf_uart_int_enable(UART_INSTANCE, NRF_UART_INT_MASK_TXDRDY);
// Enable interrupts for RX.
nrf_uart_int_enable(UART_INSTANCE, NRF_UART_INT_MASK_RXDRDY | NRF_UART_INT_MASK_ERROR);
// Configure NVIC to handle UART interrupts.
NVIC_SetPriority(UART_IRQN, UART_IRQ_PRIORITY);
NVIC_ClearPendingIRQ(UART_IRQN);
NVIC_EnableIRQ(UART_IRQN);
// Start HFCLK
nrf_drv_clock_hfclk_request(NULL);
while (!nrf_drv_clock_hfclk_is_running())
{
}
// Enable UART instance, and start RX on it.
nrf_uart_enable(UART_INSTANCE);
nrf_uart_task_trigger(UART_INSTANCE, NRF_UART_TASK_STARTRX);
sUartEnabled = true;
exit:
return error;
}
/**
* Configures LEDs and buttons from boards.h as outputs and inputs.
*/
static void gpio_init(void)
{
nrf_gpio_cfg_input(WATCHDOG_RELOAD_BUTTON, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_input(SOFTWARE_RESET_BUTTON, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_input(SYSTEM_OFF_BUTTON, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_sense_input(WAKEUP_BUTTON, NRF_GPIO_PIN_NOPULL, NRF_GPIO_PIN_SENSE_LOW);
nrf_gpio_range_cfg_output(LED_0, LED_7);
}
void uart_init_lowPower(void)
{
// NRF_GPIO->DIRSET = RX_PIN_MASK|TX_PIN_MASK|CTS_PIN_MASK|RTS_PIN_MASK;
nrf_gpio_cfg_input(RX_PIN_NUMBER, NRF_GPIO_PIN_PULLDOWN);
nrf_gpio_cfg_input(TX_PIN_NUMBER, NRF_GPIO_PIN_PULLDOWN);
nrf_gpio_cfg_input(CTS_PIN_NUMBER, NRF_GPIO_PIN_PULLDOWN);
nrf_gpio_cfg_input(RTS_PIN_NUMBER, NRF_GPIO_PIN_PULLDOWN);
}
// Set the pin state
void jshPinSetState(Pin pin, JshPinState state) {
/* Make sure we kill software PWM if we set the pin state
* after we've started it */
if (BITFIELD_GET(jshPinSoftPWM, pin)) {
BITFIELD_SET(jshPinSoftPWM, pin, 0);
jstPinPWM(0,0,pin);
}
uint32_t ipin = (uint32_t)pinInfo[pin].pin;
switch (state) {
case JSHPINSTATE_UNDEFINED :
nrf_gpio_cfg_default(ipin);
break;
case JSHPINSTATE_GPIO_OUT :
nrf_gpio_cfg_output(ipin);
break;
case JSHPINSTATE_GPIO_OUT_OPENDRAIN :
NRF_GPIO->PIN_CNF[ipin] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0D1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Disconnect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
break;
case JSHPINSTATE_GPIO_IN :
nrf_gpio_cfg_input(ipin, NRF_GPIO_PIN_NOPULL);
break;
case JSHPINSTATE_GPIO_IN_PULLUP :
nrf_gpio_cfg_input(ipin, NRF_GPIO_PIN_PULLUP);
break;
case JSHPINSTATE_GPIO_IN_PULLDOWN :
nrf_gpio_cfg_input(ipin, NRF_GPIO_PIN_PULLDOWN);
break;
/*case JSHPINSTATE_ADC_IN :
break;
case JSHPINSTATE_AF_OUT :
break;
case JSHPINSTATE_AF_OUT_OPENDRAIN :
break;
case JSHPINSTATE_USART_IN :
break;
case JSHPINSTATE_USART_OUT :
break;
case JSHPINSTATE_DAC_OUT :
break;*/
case JSHPINSTATE_I2C :
NRF_GPIO->PIN_CNF[ipin] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0D1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Pullup << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
// may need to be set to GPIO_PIN_CNF_DIR_Output as well depending on I2C state?
break;
default : assert(0);
break;
}
}
void uartDeinit()
{
NRF_UART0->TASKS_STOPRX = 1;
NRF_UART0->TASKS_STOPTX = 1;
NRF_UART0->ENABLE = 0;
nrf_gpio_cfg_input(UART_TX_PIN, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_input(UART_RTS_PIN, NRF_GPIO_PIN_NOPULL);
isInit = false;
}
void sensor_init()
{
nrf_gpio_cfg_input(4, NRF_GPIO_PIN_PULLDOWN);
nrf_gpio_cfg_input(5, NRF_GPIO_PIN_PULLDOWN);
nrf_gpio_cfg_input(6, NRF_GPIO_PIN_PULLDOWN);
MMA845x_Init();
bmp180_init_interface();
bmi055_init();
ak8963_init();
}
/**@brief Initializes the battery board switches as inputs.
*/
void switch_init(void)
{
#if defined(BSP_SWITCH_0) && defined(BSP_SWITCH_1) && defined(BSP_SWITCH_2) && \
defined(BSP_SWITCH_3) && defined(BSP_SWITCH_4) // Only initialize switches on boards which have switches defined
nrf_gpio_cfg_input(BSP_SWITCH_0, SWITCH_PULL);
nrf_gpio_cfg_input(BSP_SWITCH_1, SWITCH_PULL);
nrf_gpio_cfg_input(BSP_SWITCH_2, SWITCH_PULL);
nrf_gpio_cfg_input(BSP_SWITCH_3, SWITCH_PULL);
nrf_gpio_cfg_input(BSP_SWITCH_4, SWITCH_PULL);
#endif
}
void uart_init(void)
{
g_uart_buffer_count = 0;
g_uart_buffer_head = g_uart_buffer_tail = 0;
#ifdef CONFIG_UART_RXD_PIN
nrf_gpio_cfg_input(CONFIG_UART_RXD_PIN, NRF_GPIO_PIN_NOPULL);
NRF_UART0->PSELRXD = CONFIG_UART_RXD_PIN;
#endif/*CONFIG_UART_RXD_PIN*/
#ifdef CONFIG_UART_TXD_PIN
nrf_gpio_cfg_output(CONFIG_UART_TXD_PIN);
NRF_UART0->PSELTXD = CONFIG_UART_TXD_PIN;
#endif/*CONFIG_UART_TXD_PIN*/
/* Optionally enable UART flow control */
#if defined(CONFIG_UART_RTS_PIN) || defined(CONFIG_UART_CTS_PIN)
/* Clear-To-Send */
nrf_gpio_cfg_input(CONFIG_UART_CTS_PIN, NRF_GPIO_PIN_NOPULL);
NRF_UART0->PSELCTS = CONFIG_UART_CTS_PIN;
/* Ready-To-Send */
nrf_gpio_cfg_output(CONFIG_UART_RTS_PIN);
NRF_UART0->PSELRTS = CONFIG_UART_RTS_PIN;
/* enable hardware flow control */
NRF_UART0->CONFIG = (UART_CONFIG_HWFC_Enabled << UART_CONFIG_HWFC_Pos);
#endif/* flow control */
/* set baud rate */
NRF_UART0->BAUDRATE = (CONFIG_UART_BAUDRATE << UART_BAUDRATE_BAUDRATE_Pos);
/* enable UART IRQ */
#ifdef IRQ_PRIORITY_UART0
NVIC_SetPriority(UART0_IRQn, IRQ_PRIORITY_UART0);
#endif
NVIC_EnableIRQ(UART0_IRQn);
NRF_UART0->INTENSET =
(UART_INTENSET_TXDRDY_Enabled << UART_INTENSET_TXDRDY_Pos);
/* start UART */
#ifdef CONFIG_UART_RXD_PIN
NRF_UART0->ENABLE = (UART_ENABLE_ENABLE_Enabled << UART_ENABLE_ENABLE_Pos);
NRF_UART0->TASKS_STARTRX = 1;
NRF_UART0->EVENTS_RXDRDY = 0;
#else
NRF_UART0->ENABLE = CONFIG_UART_FORCE_POWERED ? (UART_ENABLE_ENABLE_Enabled << UART_ENABLE_ENABLE_Pos) : 0;
#endif/*CONFIG_UART_RXD_PIN*/
}
// Set the pin state
void jshPinSetState(Pin pin, JshPinState state) {
uint32_t ipin = (uint32_t)pinInfo[pin].pin;
switch (state) {
case JSHPINSTATE_UNDEFINED :
nrf_gpio_cfg_default(ipin);
break;
case JSHPINSTATE_GPIO_OUT :
nrf_gpio_cfg_output(ipin);
break;
case JSHPINSTATE_GPIO_OUT_OPENDRAIN :
NRF_GPIO->PIN_CNF[ipin] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0D1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Disconnect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
break;
case JSHPINSTATE_GPIO_IN :
nrf_gpio_cfg_input(ipin, NRF_GPIO_PIN_NOPULL);
break;
case JSHPINSTATE_GPIO_IN_PULLUP :
nrf_gpio_cfg_input(ipin, NRF_GPIO_PIN_PULLUP);
break;
case JSHPINSTATE_GPIO_IN_PULLDOWN :
nrf_gpio_cfg_input(ipin, NRF_GPIO_PIN_PULLDOWN);
break;
/*case JSHPINSTATE_ADC_IN :
break;
case JSHPINSTATE_AF_OUT :
break;
case JSHPINSTATE_AF_OUT_OPENDRAIN :
break;
case JSHPINSTATE_USART_IN :
break;
case JSHPINSTATE_USART_OUT :
break;
case JSHPINSTATE_DAC_OUT :
break;*/
case JSHPINSTATE_I2C :
NRF_GPIO->PIN_CNF[ipin] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0D1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Pullup << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
// may need to be set to GPIO_PIN_CNF_DIR_Output as well depending on I2C state?
break;
default : assert(0);
break;
}
}
void pmInit()
{
state = pmSysOff; //When NRF starts, the system is OFF
targetState = state;
/* PM-side IOs */
nrf_gpio_cfg_output(PM_VCCEN_PIN);
nrf_gpio_pin_clear(PM_VCCEN_PIN);
nrf_gpio_cfg_input(PM_PGOOD_PIN, NRF_GPIO_PIN_PULLUP);
//NRF_GPIO->PIN_CNF[PM_PGOOD_PIN] |= (GPIO_PIN_CNF_SENSE_Low << GPIO_PIN_CNF_SENSE_Pos);
nrf_gpio_cfg_input(PM_CHG_PIN, NRF_GPIO_PIN_PULLUP);
}
int btns_addGpioteBtn(BTNS_Data *context, uint32_t pinNo, uint32_t channelNo, BTNS_ButtonEventHandler hndlr, void *hndlrData)
{
//find an empty place
BTNS_PrivData *p = context->priv;
int i = 0;
for (; i < p->configSize; ++i) {
BTNS_Config *cfg = &(p->config[i]);
if (BTNS_UnassignedChannel == cfg->btnChannelNo) {
cfg->btnChannelNo = channelNo;
cfg->btnGpio = pinNo;
cfg->handler = hndlr;
cfg->hndlrData = hndlrData;
break;
}
}
//has a free space been found?
if (i == p->configSize)
return -1;
//button ports configured as input configured
nrf_gpio_cfg_input(pinNo, NRF_GPIO_PIN_PULLUP);
//gpiote events are triggered on both edges
nrf_gpiote_event_config(channelNo, pinNo, NRF_GPIOTE_POLARITY_TOGGLE);
//set appropriate inteset bits
NRF_GPIOTE->INTENSET |= GPIOTE_INTENSET_IN0_Set << (GPIOTE_INTENSET_IN0_Pos + channelNo);
dbg_debugModule("Added ch: %d, gpio: %d\n", channelNo, pinNo);
return 0;
}
bool keyboard_init(void)
{
input_scan_vector = 0;
if (row_pin_array == 0 || column_pin_array == 0){
return false; //return if pins have not been define
}else{
for (uint_fast8_t i = KEYBOARD_NUM_OF_COLUMNS; i--;){
nrf_gpio_cfg_output((uint32_t)column_pin_array[i]);
NRF_GPIO->PIN_CNF[(uint32_t)column_pin_array[i]] |= 0x400; //Set pin to be "Disconnected 0 and standard 1"
nrf_gpio_pin_clear((uint32_t)column_pin_array[i]); //Set pin to low
}
for (uint_fast8_t i = KEYBOARD_NUM_OF_ROWS; i--;){
nrf_gpio_cfg_input((uint32_t)row_pin_array[i],NRF_GPIO_PIN_PULLDOWN);
input_scan_vector |= (1U << row_pin_array[i]); //Prepare the magic number
}
if (((NRF_GPIO->IN)&input_scan_vector) != 0){ //Detect if any input pin is high
return false; //If inputs are not all low while output are, there must be something wrong
}else{
transmitted_keys_num = 0; //Clear the arrays
currently_pressed_keys_num = 0;
for (uint_fast8_t i = MAX_NUM_OF_PRESSED_KEYS; i--;){
transmitted_keys[i] = 0;
currently_pressed_keys[i] = 0;
}
}
matrix_lookup = default_matrix_lookup;
}
return true;
}
void spi_master_close(const spi_master_hw_instance_t spi_master_hw_instance)
{
#if defined(SPI_MASTER_0_ENABLE) || defined(SPI_MASTER_1_ENABLE)
volatile spi_master_instance_t * p_spi_instance = spi_master_get_instance(
spi_master_hw_instance);
APP_ERROR_CHECK_BOOL(p_spi_instance != NULL);
/* Disable interrupt */
APP_ERROR_CHECK(sd_nvic_ClearPendingIRQ(p_spi_instance->irq_type));
APP_ERROR_CHECK(sd_nvic_DisableIRQ(p_spi_instance->irq_type));
p_spi_instance->p_nrf_spi->ENABLE = (SPI_ENABLE_ENABLE_Disabled << SPI_ENABLE_ENABLE_Pos);
/* Set Slave Select pin as input with pull-up. */
nrf_gpio_pin_set(p_spi_instance->pin_slave_select);
nrf_gpio_cfg_input(p_spi_instance->pin_slave_select, NRF_GPIO_PIN_PULLUP);
p_spi_instance->pin_slave_select = (uint8_t)0xFF;
/* Disconnect pins from SPI hardware */
p_spi_instance->p_nrf_spi->PSELSCK = (uint32_t)SPI_PIN_DISCONNECTED;
p_spi_instance->p_nrf_spi->PSELMOSI = (uint32_t)SPI_PIN_DISCONNECTED;
p_spi_instance->p_nrf_spi->PSELMISO = (uint32_t)SPI_PIN_DISCONNECTED;
/* Reset to default values */
spi_master_init_hw_instance(NULL, (IRQn_Type)0, p_spi_instance, false);
#else
return;
#endif
}
int main(void)
{
nrf_gpio_cfg_output(PIN_LED_0);
nrf_gpio_cfg_output(PIN_LED_1);
nrf_gpio_cfg_input(PIN_BUTTON_0, GPIO_PIN_CNF_PULL_Pullup);
nrf_gpio_pin_clear(PIN_LED_0);
nrf_gpio_pin_clear(PIN_LED_1);
lfclk_request();
APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_MAX_TIMERS,
APP_TIMER_OP_QUEUE_SIZE, app_timer_evt_schedule);
APP_SCHED_INIT(SCHED_MAX_EVENT_DATA_SIZE, SCHED_QUEUE_SIZE);
create_timers();
timer_start(0);
timer_start(1);
while (1) {
app_sched_execute();
__WFI();
}
}
void UART_init(void)
{
FIFO_Init(&tx_fifo, tx_buf_gs, TX_BUFFER_MAX_SIZE);
FIFO_Init(&rx_fifo, rx_buf_gs, RX_BUFFER_MAX_SIZE);
/** @snippet [Configure UART RX and TX pin] */
nrf_gpio_cfg_output(TX_PIN_NUM);
nrf_gpio_cfg_input(RX_PIN_NUM, NRF_GPIO_PIN_NOPULL);
NRF_UART0->PSELTXD = TX_PIN_NUM;
NRF_UART0->PSELRXD = RX_PIN_NUM;
NRF_UART0->BAUDRATE = (UART_BAUDRATE_BAUDRATE_Baud38400 << UART_BAUDRATE_BAUDRATE_Pos);
NRF_UART0->EVENTS_RXDRDY = 0;
NRF_UART0->EVENTS_TXDRDY = 0;
NRF_UART0->TASKS_STARTTX = 1;
NRF_UART0->TASKS_STARTRX = 1;
NRF_UART0->INTENSET = UART_INTENSET_RXDRDY_Enabled << UART_INTENSET_RXDRDY_Pos;
NRF_UART0->INTENSET |= UART_INTENSET_TXDRDY_Enabled << UART_INTENSET_TXDRDY_Pos;
// enable interrupt;
NVIC_SetPriority(UART0_IRQn, APP_IRQ_PRIORITY_LOW);
NVIC_EnableIRQ(UART0_IRQn);
NRF_UART0->ENABLE = (UART_ENABLE_ENABLE_Enabled << UART_ENABLE_ENABLE_Pos);
}
void photodiodes_init() {
nrf_gpio_cfg_output(PD_CLOCK_PIN);
nrf_gpio_cfg_output(PD_MOSI_PIN);
nrf_gpio_cfg_input(PD_MISO_PIN, 1);
nrf_gpio_cfg_output(PD_CS_PIN_A);
nrf_gpio_cfg_output(PD_CS_PIN_B);
}
uint32_t ser_phy_open(ser_phy_events_handler_t events_handler)
{
uint32_t err_code = NRF_SUCCESS;
if (events_handler == NULL)
{
return NRF_ERROR_NULL;
}
//Check if function was not called before
if (m_ser_phy_event_handler != NULL)
{
return NRF_ERROR_INVALID_STATE;
}
//Configure UART and register handler
//uart_evt_handler is used to handle events produced by low-level uart driver
APP_UART_INIT(&comm_params, ser_phy_uart_evt_callback, UART_IRQ_PRIORITY, err_code);
//Pull down Rx pin until another side gets up to avoid receiving false bytes due to glitches
//on Rx line
nrf_gpio_cfg_input(comm_params.rx_pin_no, NRF_GPIO_PIN_PULLDOWN);
m_ser_phy_event_handler = events_handler;
//If intialization did not go alright return error
if (err_code != NRF_SUCCESS)
{
return NRF_ERROR_INVALID_PARAM;
}
return err_code;
}
int main(void)
{
LEDS_CONFIGURE(LEDS_MASK);
LEDS_OFF(LEDS_MASK);
nrf_gpio_cfg_output(WAVE_ON_PIN_NUMBER); // on this pin 2Hz wave will be generated
#ifdef BSP_BUTTON_0
// configure pull-up on first button
nrf_gpio_cfg_input(BSP_BUTTON_0, NRF_GPIO_PIN_PULLUP);
#endif
APP_GPIOTE_INIT(1);
uart_config();
lpcomp_init();
printf("\n\rLPCOMP driver usage example\r\n");
while (true)
{
print_statistics();
LEDS_ON(BSP_LED_1_MASK);
NRF_GPIO->OUTCLR = (1 << WAVE_ON_PIN_NUMBER);
nrf_delay_ms(100); // generate 100 ms pulse on selected pin
print_statistics();
LEDS_OFF(BSP_LED_1_MASK);
NRF_GPIO->OUTSET = (1 << WAVE_ON_PIN_NUMBER);
nrf_delay_ms(400);
}
}