void WDRV_SPI_Init(void)
{
// Initialize IO for WF chip select
CS_Init();
CS_Deassert(); // Disable chip select before initialization
DRV_WIFI_SpiInit();
}
/**
* Creates new critical section
*/
CritSect * CS_Create()
{
CritSect * cs = MEM_New(CritSect);
if (cs) {
if (CS_Init(cs)) {
return cs;
}
MEM_Free(cs);
}
return NULL;
}
/*********************************************************************//**
* @brief Initialize and Configure SPI device
* @param[in] SPIx SPI peripheral definition, should be LPC_SPI
* @return None
***********************************************************************/
void SPI_Config (LPC_SPI_TypeDef *SPIx)
{
// Pin configuration for SPI
PINSEL_CFG_Type PinCfg;
// SPI Configuration structure variable
SPI_CFG_Type SPI_ConfigStruct;
if(SPIx == LPC_SPI)
{
/*
* Initialize SPI pin connect
* P0.15 - SCK;
* P0.16 - SSEL - used as GPIO
* P0.17 - MISO
* P0.18 - MOSI
*/
PinCfg.Funcnum = 3;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Portnum = 0;
PinCfg.Pinnum = 15;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 17;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 18;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 16;
PinCfg.Funcnum = 0;
PINSEL_ConfigPin(&PinCfg);
}
/*
SPI_ConfigStruct.CPHA = SPI_CPHA_SECOND;
SPI_ConfigStruct.CPOL = SPI_CPOL_LO;
SPI_ConfigStruct.ClockRate = SPI_CLOCK;
SPI_ConfigStruct.DataOrder = SPI_DATA_MSB_FIRST;
SPI_ConfigStruct.Databit = SPI_DATABIT_8;
SPI_ConfigStruct.Mode = SPI_MASTER_MODE;*/
// initialize SPI configuration structure to default
SPI_ConfigStructInit(&SPI_ConfigStruct);
SPI_ConfigStruct.ClockRate = 3000000;
SPI_ConfigStruct.Databit = SPI_DATABIT_8;
// Initialize SPI peripheral with parameter given in structure above
SPI_Init(LPC_SPI, &SPI_ConfigStruct);
CS_Init(); // Chip Select Init
Buffer_Init(); // Empty Buffer
}
//============================================================================//
// This is where we initialize our services and register them with the stack.
//
// The services that we create are:
//
// 1) Custom Service
// 2) Battery Service
// 3) Device Information Service
// 4) DFU Service (if enabled via macro)
static void services_init(void)
{
uint32_t err_code;
ble_bas_init_t bas_init;
ble_dis_init_t dis_init;
//--------------------------------------------------------------------------
// Set up the Custom Service
err_code = CS_Init(&_cs);
APP_ERROR_CHECK(err_code);
//--------------------------------------------------------------------------
// Initialize Battery Service.
memset(&bas_init, 0, sizeof(bas_init));
//--------------------------------------------------------------------------
// Here the sec level for the Battery Service can be changed/increased.
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&bas_init.battery_level_char_attr_md.cccd_write_perm);
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&bas_init.battery_level_char_attr_md.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&bas_init.battery_level_char_attr_md.write_perm);
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&bas_init.battery_level_report_read_perm);
bas_init.evt_handler = NULL;
bas_init.support_notification = true;
bas_init.p_report_ref = NULL;
bas_init.initial_batt_level = 100;
err_code = ble_bas_init(&_bas, &bas_init);
APP_ERROR_CHECK(err_code);
//--------------------------------------------------------------------------
// Initialize Device Information Service.
memset(&dis_init, 0, sizeof(dis_init));
ble_srv_ascii_to_utf8(&dis_init.manufact_name_str, (char *)MANUFACTURER_NAME);
ble_srv_ascii_to_utf8(&dis_init.model_num_str, (char *)MODEL_NUMBER);
ble_srv_ascii_to_utf8(&dis_init.serial_num_str, (char *)SERIAL_NUMBER);
ble_srv_ascii_to_utf8(&dis_init.hw_rev_str, (char *)HARDWARE_REVISION);
ble_srv_ascii_to_utf8(&dis_init.fw_rev_str, (char *)FIRMWARE_REVISION);
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&dis_init.dis_attr_md.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&dis_init.dis_attr_md.write_perm);
err_code = ble_dis_init(&dis_init);
APP_ERROR_CHECK(err_code);
#ifdef BLE_DFU_APP_SUPPORT
/** @snippet [DFU BLE Service initialization] */
ble_dfu_init_t dfus_init;
// Initialize the Device Firmware Update Service.
memset(&dfus_init, 0, sizeof(dfus_init));
dfus_init.evt_handler = dfu_app_on_dfu_evt;
dfus_init.error_handler = NULL;
dfus_init.evt_handler = dfu_app_on_dfu_evt;
dfus_init.revision = DFU_REVISION;
err_code = ble_dfu_init(&_dfus, &dfus_init);
APP_ERROR_CHECK(err_code);
dfu_app_reset_prepare_set(reset_prepare);
dfu_app_dm_appl_instance_set(_app_handle);
/** @snippet [DFU BLE Service initialization] */
#endif // BLE_DFU_APP_SUPPORT
}
/*********************************************************************//**
* @brief c_entry: Main SSP program body
* @param[in] None
* @return int
**********************************************************************/
int c_entry(void)
{
uint8_t tmpchar[2] = {0, 0};
PINSEL_CFG_Type PinCfg;
__IO FlagStatus exitflag;
/*
* Initialize SPI pin connect
* P0.15 - SCK
* P0.16 - SSEL - used as GPIO
* P0.17 - MISO
* P0.18 - MOSI
*/
PinCfg.Funcnum = 2;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Portnum = 0;
PinCfg.Pinnum = 15;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 17;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 18;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 16;
PinCfg.Funcnum = 0;
PINSEL_ConfigPin(&PinCfg);
/* Initialize debug via UART0
* – 115200bps
* – 8 data bit
* – No parity
* – 1 stop bit
* – No flow control
*/
debug_frmwrk_init();
// print welcome screen
print_menu();
// initialize SSP configuration structure to default
SSP_ConfigStructInit(&SSP_ConfigStruct);
// Initialize SSP peripheral with parameter given in structure above
SSP_Init(LPC_SSP0, &SSP_ConfigStruct);
// Initialize /CS pin to GPIO function
CS_Init();
// Enable SSP peripheral
SSP_Cmd(LPC_SSP0, ENABLE);
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(SSP0_IRQn, ((0x01<<3)|0x01));
/* Enable SSP0 interrupt */
NVIC_EnableIRQ(SSP0_IRQn);
/* First, send some command to reset SC16IS740 chip via SSP bus interface
* note driver /CS pin to low state before transferring by CS_Enable() function
*/
complete = RESET;
CS_Force(0);
xferConfig.tx_data = iocon_cfg;
xferConfig.rx_data = sspreadbuf;
xferConfig.length = sizeof (iocon_cfg);
SSP_ReadWrite(LPC_SSP0, &xferConfig, SSP_TRANSFER_INTERRUPT);
while (complete == RESET);
CS_Force(1);
complete = RESET;
CS_Force(0);
xferConfig.tx_data = iodir_cfg;
xferConfig.rx_data = sspreadbuf;
xferConfig.length = sizeof (iodir_cfg);
SSP_ReadWrite(LPC_SSP0, &xferConfig, SSP_TRANSFER_INTERRUPT);
while (complete == RESET);
CS_Force(1);
// Reset exit flag
exitflag = RESET;
/* Read some data from the buffer */
while (exitflag == RESET)
{
while((tmpchar[0] = _DG) == 0);
if (tmpchar[0] == 27){
/* ESC key, set exit flag */
_DBG_(menu2);
exitflag = SET;
}
else if (tmpchar[0] == 'r'){
print_menu();
} else {
if (tmpchar[0] == '1')
{
// LEDs are ON now...
CS_Force(0);
xferConfig.tx_data = iostate_on;
xferConfig.rx_data = sspreadbuf;
xferConfig.length = sizeof (iostate_on);
SSP_ReadWrite(LPC_SSP0, &xferConfig, SSP_TRANSFER_POLLING);
CS_Force(1);
}
else if (tmpchar[0] == '2')
{
// LEDs are OFF now...
CS_Force(0);
xferConfig.tx_data = iostate_off;
xferConfig.rx_data = sspreadbuf;
xferConfig.length = sizeof (iostate_off);
SSP_ReadWrite(LPC_SSP0, &xferConfig, SSP_TRANSFER_POLLING);
CS_Force(1);
}
/* Then Echo it back */
_DBG_(tmpchar);
}
}
// wait for current transmission complete - THR must be empty
while (UART_CheckBusy(LPC_UART0) == SET );
// DeInitialize UART0 peripheral
UART_DeInit(LPC_UART0);
/* Loop forever */
while(1);
return 1;
}
/*********************************************************************//**
* @brief c_entry: Main SPI program body
* @param[in] None
* @return int
**********************************************************************/
int c_entry(void)
{
PINSEL_CFG_Type PinCfg;
SPI_DATA_SETUP_Type xferConfig;
uint32_t tmp;
/*
* Initialize SPI pin connect
* P0.15 - SCK;
* P0.16 - SSEL - used as GPIO
* P0.17 - MISO
* P0.18 - MOSI
*/
PinCfg.Funcnum = 3;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Portnum = 0;
PinCfg.Pinnum = 15;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 17;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 18;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 16;
PinCfg.Funcnum = 0;
PINSEL_ConfigPin(&PinCfg);
/* Initialize debug via UART0
* – 115200bps
* – 8 data bit
* – No parity
* – 1 stop bit
* – No flow control
*/
debug_frmwrk_init();
// print welcome screen
print_menu();
SPI_ConfigStruct.CPHA = SPI_CPHA_SECOND;
SPI_ConfigStruct.CPOL = SPI_CPOL_LO;
SPI_ConfigStruct.ClockRate = 2000000;
SPI_ConfigStruct.DataOrder = SPI_DATA_MSB_FIRST;
SPI_ConfigStruct.Databit = SPI_DATABIT_SIZE;
SPI_ConfigStruct.Mode = SPI_MASTER_MODE;
// Initialize SPI peripheral with parameter given in structure above
SPI_Init(LPC_SPI, &SPI_ConfigStruct);
_DBG_("Press '1' to start transfer...");
while (_DG != '1');
_DBG_("Init buffer");
/* Initialize Buffer */
Buffer_Init();
CS_Init();
_DBG_("Start transfer...");
CS_Force(0);
// delay for a while
for (tmp = 10000; tmp; tmp--);
xferConfig.tx_data = Tx_Buf;
xferConfig.rx_data = Rx_Buf;
xferConfig.length = BUFFER_SIZE;
SPI_ReadWrite(LPC_SPI, &xferConfig, SPI_TRANSFER_POLLING);
// delay for a while
for (tmp = 10000; tmp; tmp--);
CS_Force(1);
_DBG_("Complete!");
// Verify buffer after transferring
Buffer_Verify();
_DBG_("Verify complete!");
SPI_DeInit(LPC_SPI);
/* Loop forever */
while(1);
return 1;
}
void WDRV_SPI_Init(void)
{
CS_Init();
CS_Deassert();
Spi_Init();
}
/*********************************************************************//**
* @brief Main SSP program body
**********************************************************************/
int c_entry(void)
{
uint8_t tmpchar[2] = {0, 0};
PINSEL_CFG_Type PinCfg;
__IO FlagStatus exitflag;
SSP_DATA_SETUP_Type xferConfig;
// DeInit NVIC and SCBNVIC
NVIC_DeInit();
NVIC_SCBDeInit();
/* Configure the NVIC Preemption Priority Bits:
* two (2) bits of preemption priority, six (6) bits of sub-priority.
* Since the Number of Bits used for Priority Levels is five (5), so the
* actual bit number of sub-priority is three (3)
*/
NVIC_SetPriorityGrouping(0x05);
// Set Vector table offset value
#if (__RAM_MODE__==1)
NVIC_SetVTOR(0x10000000);
#else
NVIC_SetVTOR(0x00000000);
#endif
/*
* Initialize SPI pin connect
* P0.15 - SCK
* P0.16 - SSEL - used as GPIO
* P0.17 - MISO
* P0.18 - MOSI
*/
PinCfg.Funcnum = 2;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Portnum = 0;
PinCfg.Pinnum = 15;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 17;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 18;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 16;
PinCfg.Funcnum = 0;
PINSEL_ConfigPin(&PinCfg);
/*
* Initialize debug via UART
*/
debug_frmwrk_init();
// print welcome screen
print_menu();
// initialize SSP configuration structure to default
SSP_ConfigStructInit(&SSP_ConfigStruct);
// Initialize SSP peripheral with parameter given in structure above
SSP_Init(LPC_SSP0, &SSP_ConfigStruct);
// Initialize /CS pin to GPIO function
CS_Init();
// Enable SSP peripheral
SSP_Cmd(LPC_SSP0, ENABLE);
/* First, send some command to reset SC16IS740 chip via SSP bus interface
* note driver /CS pin to low state before transferring by CS_Enable() function
*/
CS_Force(0);
xferConfig.tx_data = iocon_cfg;
xferConfig.rx_data = sspreadbuf;
xferConfig.length = sizeof (iocon_cfg);
SSP_ReadWrite(LPC_SSP0, &xferConfig, SSP_TRANSFER_POLLING);
CS_Force(1);
CS_Force(0);
xferConfig.tx_data = iodir_cfg;
xferConfig.rx_data = sspreadbuf;
xferConfig.length = sizeof (iodir_cfg);
SSP_ReadWrite(LPC_SSP0, &xferConfig, SSP_TRANSFER_POLLING);
CS_Force(1);
// Reset exit flag
exitflag = RESET;
/* Read some data from the buffer */
while (exitflag == RESET)
{
while((tmpchar[0] = _DG) == 0);
if (tmpchar[0] == 27){
/* ESC key, set exit flag */
_DBG_(menu2);
exitflag = SET;
}
else if (tmpchar[0] == 'r'){
print_menu();
} else {
if (tmpchar[0] == '1')
{
// LEDs are ON now...
CS_Force(0);
xferConfig.tx_data = iostate_on;
xferConfig.rx_data = sspreadbuf;
xferConfig.length = sizeof (iostate_on);
SSP_ReadWrite(LPC_SSP0, &xferConfig, SSP_TRANSFER_POLLING);
CS_Force(1);
}
else if (tmpchar[0] == '2')
{
// LEDs are OFF now...
CS_Force(0);
xferConfig.tx_data = iostate_off;
xferConfig.rx_data = sspreadbuf;
xferConfig.length = sizeof (iostate_off);
SSP_ReadWrite(LPC_SSP0, &xferConfig, SSP_TRANSFER_POLLING);
CS_Force(1);
}
/* Then Echo it back */
_DBG_(tmpchar);
}
}
// wait for current transmission complete - THR must be empty
while (UART_CheckBusy(LPC_UART0) == SET);
// DeInitialize UART0 peripheral
UART_DeInit(LPC_UART0);
/* Loop forever */
while(1);
return 1;
}