LPC8xx USART example using UART ROM API functions

Detailed Description

Example description
The UART_ROM example demonstrates using the USART API ROM functions.

Special connection requirements
There are no special connection requirements for this example.

Build procedures:
LPC8xx example quickstart for IAR EWARM
LPC8xx example quickstart for Keil uVision4
LPC8xx example quickstart for Code Red Xpresso

Supported boards and board setup:
NXP Xpresso LPC812 board

Submitting LPCOpen issues:
Community support for LPCOpen

Macros
#define	APP_UART_RECEIVE_BUGGER_SIZE   9

Functions
static void	rx_callback (uint32_t err_code, uint32_t n)
static void	tx_callback (uint32_t err_code, uint32_t n)
static void	App_error_routine ()
static void	App_Polling_Send (const char *send_data, uint32_t lenght)
static void	App_Polling_Receive (char *receive_buffer, uint32_t lenght)
static void	App_Interrupt_Send (const char *send_data, uint32_t lenght)
static void	App_UART_API_Init ()
void	UART0_IRQHandler (void)
	UART0 ISR handler.
int	main (void)
	Main Function.

Variables
static UART_HANDLE_T *	uart
static uint32_t	umem [UART_ROM_MEM_SIZE]
static const char	welcome [] = "LPC812 XPresso Board USART API ROM Example.\0"
static const char	Polling_info [] = "UART Polling mode demo! Please type 'hello NXP' to continue.\0"
static const char	Interrupt_info []
static const char	terminate [] = "\r\nDemo is terminated. Thanks for using.\0"
static char	recv_buf [APP_UART_RECEIVE_BUGGER_SIZE]
static volatile uint8_t	byte
static volatile uint8_t	test_stop = 0
static volatile uint32_t	tx_Done = 0

Macro Definition Documentation

#define APP_UART_RECEIVE_BUGGER_SIZE   9

Definition at line 59 of file uart_rom.c.

Function Documentation

static void App_error_routine ( )

static

Definition at line 86 of file uart_rom.c.

static void App_Interrupt_Send ( const char *  send_data, uint32_t  lenght  )

static

Definition at line 118 of file uart_rom.c.

static void App_Polling_Receive ( char *  receive_buffer, uint32_t  lenght  )

static

Definition at line 105 of file uart_rom.c.

static void App_Polling_Send ( const char *  send_data, uint32_t  lenght  )

static

Definition at line 92 of file uart_rom.c.

static void App_UART_API_Init ( )

static

Definition at line 132 of file uart_rom.c.

int main

(

void

)

Main Function.

Main program body.

Returns

Nothing

defined(CHIP_LPC175X_6X)

Definition at line 197 of file uart_rom.c.

static void rx_callback ( uint32_t  err_code, uint32_t  n  )

static

Definition at line 166 of file uart_rom.c.

static void tx_callback ( uint32_t  err_code, uint32_t  n  )

static

Definition at line 174 of file uart_rom.c.

void UART0_IRQHandler

(

void

)

UART0 ISR handler.

Returns

Nothing

Definition at line 187 of file uart_rom.c.

Variable Documentation

volatile uint8_t byte

static

Definition at line 71 of file uart_rom.c.

const char Interrupt_info[]

static

Initial value:

=
 "\r\nUART Interrupt mode demo! Type a character to be echoed back or \'x\' to exit.\0"

Definition at line 66 of file uart_rom.c.

const char Polling_info[] = "UART Polling mode demo! Please type 'hello NXP' to continue.\0"

static

Definition at line 65 of file uart_rom.c.

char recv_buf[APP_UART_RECEIVE_BUGGER_SIZE]

static

Definition at line 70 of file uart_rom.c.

const char terminate[] = "\r\nDemo is terminated. Thanks for using.\0"

static

Definition at line 68 of file uart_rom.c.

volatile uint8_t test_stop = 0

static

Definition at line 71 of file uart_rom.c.

volatile uint32_t tx_Done = 0

static

Definition at line 72 of file uart_rom.c.

UART_HANDLE_T* uart

static

Definition at line 61 of file uart_rom.c.

uint32_t umem[UART_ROM_MEM_SIZE]

static

Definition at line 63 of file uart_rom.c.

const char welcome[] = "LPC812 XPresso Board USART API ROM Example.\0"

static

Definition at line 64 of file uart_rom.c.