/**
* @brief Initializes UART 1
*
* This function initializes the UART channel 1.
*
* @param baud_rate Actual UART baud rate
*/
void sio_uart_1_init(uint32_t baud_rate)
{
/* Calculate corresponding value for baud rateregister. */
uint16_t baud_rate_reg = UART_BAUD(baud_rate);
/* Init Port D pins */
/* PD3 (TXD1) as output. */
UART1_PORT.DIRSET = UART1_TX_PIN;
/* PD2 (RXD1) as input. */
UART1_PORT.DIRCLR = UART1_RX_PIN;
/*
* Microcontroller's USART register is updated to
* run at the given baud rate.
*/
/* 4 most siginificant bits of the Baud rate, BSCALE = 0 */
UART1_REG.BAUDCTRLB = (baud_rate_reg >> 8) & 0xFF;
UART1_REG.BAUDCTRLA = (uint8_t)baud_rate_reg;
/* Faster async mode (UART clock divider = 8, instead of 16) */
/* Enable Rx and Tx */
UART1_REG.CTRLB = USART_RXEN_bm | USART_TXEN_bm | USART_CLK2X_bm;
/* Set 8N1 */
UART1_REG.CTRLC = USART_CHSIZE1_bm | USART_CHSIZE0_bm;
/*
* Receive and transmit interrrupt are enabled.
*/
UART1_REG.CTRLA = USART_RXCINTLVL_gm | USART_TXCINTLVL_gm;
}
int main(void)
{
// initialize processor
processorInit();
// initialize timers
timerInit();
// initialize uarts
uart0Init(UART_BAUD(115200), UART_8N1, UART_FIFO_8);
uart1Init(UART_BAUD(115200), UART_8N1, UART_FIFO_8);
// initialize rprintf to use UART1 for output
rprintfInit(uart1SendByte);
// Wait for a moment to allow hardware to stabilize.
// This may be important if a serial port level-converter
// like the MAX232 is used. Charge-pump based converters
// need some time after power-up to charge before
// communication is reliable.
timerPause(50); // waits 50 milliseconds
// run the test
uartTest();
return 0;
}
int telit_init(FILE * stream)
{
uart_init(UART_BAUD(CONFIG_GSM_BAUDRATE, F_CPU), stream, rx_buf,
CONFIG_GSM_RX_BUF, tx_buf, CONFIG_GSM_TX_BUF);
/* Tri-state ON+RST pins with no pull-ups */
CONFIG_GSM_EN_DIR &= ~(_BV(CONFIG_GSM_EN_PIN));
CONFIG_GSM_EN_PORT &= ~(_BV(CONFIG_GSM_EN_PIN));
CONFIG_GSM_RST_DIR &= ~(_BV(CONFIG_GSM_RST_PIN));
CONFIG_GSM_RST_PORT &= ~(_BV(CONFIG_GSM_RST_PIN));
_delay_ms(100); /* Allow for signals to stabilize */
telit_reset();
return 0;
}
int main(void)
{
int ch;
int8_t res;
systemInit();
gpioInit();
uart1Init(UART_BAUD(BAUD), UART_8N1, UART_FIFO_8); // setup the UART
uart1Puts("\r\nMMC/SD Card Filesystem Test (P:LPC2138 L:EFSL)\r\n");
uart1Puts("efsl LPC2000-port and this Demo-Application\r\n");
uart1Puts("done by Martin Thomas, Kaiserslautern, Germany\r\n");
/* init efsl debug-output */
lpc2000_debug_devopen(uart1Putch);
ledToggle();
rprintf("CARD init...");
if ( ( res = efs_init( &efs, 0 ) ) != 0 ) {
rprintf("failed with %i\n",res);
}
else {
rprintf("ok\n");
rprintf("Directory of 'root':\n");
ls_openDir( &list, &(efs.myFs) , "/");
while ( ls_getNext( &list ) == 0 ) {
list.currentEntry.FileName[LIST_MAXLENFILENAME-1] = '\0';
rprintf( "%s ( %li bytes )\n" ,
list.currentEntry.FileName,
list.currentEntry.FileSize ) ;
}
if ( file_fopen( &filer, &efs.myFs , LogFileName , 'r' ) == 0 ) {
rprintf("File %s open. Content:\n", LogFileName);
while ( ( e = file_read( &filer, 512, buf ) ) != 0 ) {
buf[e]='\0';
uart1Puts((char*)buf);
}
rprintf("\n");
file_fclose( &filer );
}
if ( file_fopen( &filew, &efs.myFs , LogFileName , 'a' ) == 0 ) {
rprintf("File %s open for append. Appending...", LogFileName);
strcpy((char*)buf, "Martin hat's angehaengt\r\n");
if ( file_write( &filew, strlen((char*)buf), buf ) == strlen((char*)buf) ) {
rprintf("ok\n");
}
else {
rprintf("fail\n");
}
file_fclose( &filew );
}
if ( file_fopen( &filer, &efs.myFs , LogFileName , 'r' ) == 0 ) {
rprintf("File %s open. Content:\n", LogFileName);
while ( ( e = file_read( &filer, 512, buf ) ) != 0 ) {
buf[e]='\0';
uart1Puts((char*)buf);
}
rprintf("\n");
file_fclose( &filer );
}
fs_umount( &efs.myFs ) ;
}
while(1) {
if ((ch = uart1Getch()) >= 0) {
uart1Puts("You pressed : ");
uart1Putch(ch);
uart1Puts("\r\n");
if ( ch == 'M' ) {
rprintf("Creating FS\n");
mkfs_makevfat(&efs.myPart);
}
ledToggle();
}
}
return 0; /* never reached */
}