/**
* \brief Configure USART in synchronous mode.
*
* \param ul_ismaster 1 for master, 0 for slave.
* \param ul_baudrate Baudrate for synchronous communication.
*
*/
static void configure_usart(uint32_t ul_ismaster, uint32_t ul_baudrate)
{
sam_usart_opt_t usart_console_settings = {
0,
US_MR_CHRL_8_BIT,
US_MR_PAR_NO,
US_MR_NBSTOP_1_BIT,
US_MR_CHMODE_NORMAL,
/* This field is only used in IrDA mode. */
0
};
usart_console_settings.baudrate = ul_baudrate;
/* Enable the peripheral clock in the PMC. */
sysclk_enable_peripheral_clock(BOARD_ID_USART);
/* Configure USART in SYNC. master or slave mode. */
if (ul_ismaster) {
usart_init_sync_master(BOARD_USART, &usart_console_settings, sysclk_get_peripheral_hz());
} else {
usart_init_sync_slave(BOARD_USART, &usart_console_settings);
}
/* Disable all the interrupts. */
usart_disable_interrupt(BOARD_USART, ALL_INTERRUPT_MASK);
/* Enable TX & RX function. */
usart_enable_tx(BOARD_USART);
usart_enable_rx(BOARD_USART);
/* Configure and enable interrupt of USART. */
NVIC_EnableIRQ(USART_IRQn);
}
void uart_open(uint8_t port)
{
Usart* usart = get_usart(port);
if (0 == port) {
// IO is initialized in board init
// Enable interrupt with priority higher than USB
NVIC_SetPriority((IRQn_Type) USART_ID_0, USART_INT_LEVEL_0);
NVIC_EnableIRQ((IRQn_Type) USART_ID_0);
NVIC_SetPriority((IRQn_Type) USART_ID_1, USART_INT_LEVEL_1);
NVIC_EnableIRQ((IRQn_Type) USART_ID_1);
// Initialize it in RS232 mode.
pmc_enable_periph_clk(USART_ID_0);
USART_ENABLE_0();
} else if (1 == port) {
// IO is initialized in board init
// Enable interrupt with priority higher than USB
NVIC_SetPriority((IRQn_Type) USART_ID_1, USART_INT_LEVEL_1);
NVIC_EnableIRQ((IRQn_Type) USART_ID_1);
// Initialize it in RS232 mode.
pmc_enable_periph_clk(USART_ID_1);
USART_ENABLE_1();
} else {
return;
}
if (usart_init_rs232(usart, &usart_options,
sysclk_get_peripheral_hz())) {
return;
}
// Enable both RX and TX
usart_enable_tx(usart);
usart_enable_rx(usart);
// Enable interrupts
usart_enable_interrupt(usart, US_IER_RXRDY | US_IER_TXRDY);
}
/**
* \brief USART RS485 mode configuration.
*
* Configure USART in RS485 mode, asynchronous, 8 bits, 1 stop bit,
* no parity, 256000 bauds and enable its transmitter and receiver.
*/
static void configure_usart(void)
{
const sam_usart_opt_t usart_console_settings = {
BOARD_USART_BAUDRATE,
US_MR_CHRL_8_BIT,
US_MR_PAR_NO,
US_MR_NBSTOP_1_BIT,
US_MR_CHMODE_NORMAL,
/* This field is only used in IrDA mode. */
0
};
/* Enable the peripheral clock in the PMC. */
sysclk_enable_peripheral_clock(BOARD_ID_USART);
/* Configure USART in RS485 mode. */
usart_init_rs485(BOARD_USART, &usart_console_settings,
sysclk_get_cpu_hz());
/* Disable all the interrupts. */
usart_disable_interrupt(BOARD_USART, ALL_INTERRUPT_MASK);
/* Enable TX & RX function. */
usart_enable_tx(BOARD_USART);
usart_enable_rx(BOARD_USART);
/* Configure and enable interrupt of USART. */
NVIC_EnableIRQ(USART_IRQn);
}
/**
* \brief Initializes a ISO7816 interface device.
*
* \param p_usart_opt Pointer to an ISO7816 instance.
* \param ul_mck USART module input clock frequency.
* \param ul_rst_pin_idx Control smart card RST pin index.
*/
void iso7816_init(const usart_iso7816_opt_t *p_usart_opt,
uint32_t ul_mck, uint32_t ul_rst_pin_idx)
{
/* Pin RST of ISO7816 initialize. */
gs_ul_rst_pin_idx = ul_rst_pin_idx;
#if defined(SMART_CARD_USING_GPIO)
gpio_set_pin_low(gs_ul_rst_pin_idx);
#elif defined(SMART_CARD_USING_IOPORT)
ioport_set_pin_level(gs_ul_rst_pin_idx, IOPORT_PIN_LEVEL_LOW);
#endif
/* Init the global variable for ISO7816. */
g_ul_clk = ul_mck;
usart_init_iso7816(ISO7816_USART, p_usart_opt, g_ul_clk);
/* Disable interrupts. */
usart_disable_interrupt(ISO7816_USART, 0xffffffff);
/* Write the Timeguard Register. */
usart_set_tx_timeguard(ISO7816_USART, 5);
/* Enable TX and RX. */
usart_enable_rx(ISO7816_USART);
usart_enable_tx(ISO7816_USART);
}
static void reconfigure_console(uint32_t ul_mck, uint32_t ul_baudrate)
{
sam_usart_opt_t uart_serial_options;
uart_serial_options.baudrate = ul_baudrate,
uart_serial_options.char_length = CONF_UART_CHAR_LENGTH,
uart_serial_options.parity_type = US_MR_PAR_NO;
uart_serial_options.stop_bits = CONF_UART_STOP_BITS,
uart_serial_options.channel_mode= US_MR_CHMODE_NORMAL,
uart_serial_options.irda_filter = 0,
/* Configure PMC */
flexcom_enable(CONF_FLEXCOM);
flexcom_set_opmode(CONF_FLEXCOM, FLEXCOM_USART);
/* Configure PIO */
pio_configure_pin_group(CONF_UART_PIO, CONF_PINS_UART,
CONF_PINS_UART_FLAGS);
/* Configure UART */
usart_init_rs232(CONF_UART, &uart_serial_options, ul_mck);
/* Enable the receiver and transmitter. */
usart_enable_tx(CONF_UART);
usart_enable_rx(CONF_UART);
}
/**
* \brief USART RS485 mode configuration.
*
* Configure USART in RS485 mode, asynchronous, 8 bits, 1 stop bit,
* no parity, 256000 bauds and enable its transmitter and receiver.
*/
void configure_usart(void)
{
const sam_usart_opt_t usart_console_settings = {
BOARD_USART_BAUDRATE,
US_MR_CHRL_8_BIT,
US_MR_PAR_NO,
US_MR_NBSTOP_1_BIT,
US_MR_CHMODE_NORMAL,
/* This field is only used in IrDA mode. */
0
};
/* Enable the peripheral clock in the PMC. */
sysclk_enable_peripheral_clock(BOARD_ID_USART);
/* Configure USART in RS485 mode. */
//jsi 7feb16 we want rs232 not rs485 for our application usart_init_rs485(BOARD_USART, &usart_console_settings,
//jsi 7feb16 we want rs232 not rs485 for our application sysclk_get_cpu_hz());
usart_init_rs232(BOARD_USART, &usart_console_settings, sysclk_get_cpu_hz());
/* enable transmitter timeguard, 4 bit period delay. */
usart_set_tx_timeguard(BOARD_USART, 4);
/* Disable all the interrupts. */
usart_disable_interrupt(BOARD_USART, ALL_INTERRUPT_MASK);
/* Enable TX & RX function. */
usart_enable_tx(BOARD_USART);
usart_enable_rx(BOARD_USART);
/* Configure and enable interrupt of USART. */
NVIC_EnableIRQ(USART_IRQn);
}
/**
* \brief Set up a USART in SPI master mode device.
*
* The returned device descriptor structure must be passed to the driver
* whenever that device should be used as current slave device.
*
* \param p_usart Base address of the USART instance.
* \param device Pointer to usart device struct that should be initialized.
* \param flags USART configuration flags. Common flags for all
* implementations are the usart modes, which should be SPI_MODE_0,
* SPI_MODE_1, SPI_MODE_2, SPI_MODE_3.
* \param baud_rate Baud rate for communication with slave device in Hz.
* \param sel_id Board specific select id.
*/
void usart_spi_setup_device(Usart *p_usart, struct usart_spi_device *device,
spi_flags_t flags, unsigned long baud_rate,
board_spi_select_id_t sel_id)
{
usart_spi_opt_t opt;
/* avoid Cppcheck Warning */
UNUSED(device);
UNUSED(sel_id);
/* Basic usart SPI configuration. */
opt.baudrate = baud_rate;
opt.char_length = US_MR_CHRL_8_BIT;
opt.spi_mode = flags;
opt.channel_mode = US_MR_CHMODE_NORMAL;
/* Initialize the USART module as SPI master. */
#if (SAM4L)
usart_init_spi_master(p_usart, &opt, sysclk_get_pba_hz());
#else
usart_init_spi_master(p_usart, &opt, sysclk_get_peripheral_hz());
#endif
usart_enable_rx(p_usart);
usart_enable_tx(p_usart);
}
void init_Usart (void)
{
ioport_set_pin_dir(PIO_PA21_IDX,IOPORT_DIR_INPUT);
ioport_set_pin_dir(PIO_PB4_IDX,IOPORT_DIR_OUTPUT);
const sam_usart_opt_t usart_console_settings = {
USART_SERIAL_BAUDRATE,
USART_SERIAL_CHAR_LENGTH,
USART_SERIAL_PARITY,
USART_SERIAL_STOP_BIT,
US_MR_CHMODE_NORMAL
};
#if SAM4L
sysclk_enable_peripheral_clock(USART_SERIAL);
#else
sysclk_enable_peripheral_clock(USART_SERIAL_ID);
#endif
usart_init_rs232(USART_SERIAL, &usart_console_settings,
sysclk_get_main_hz()/2);
usart_enable_tx(USART_SERIAL);
usart_enable_rx(USART_SERIAL);
// how to enable an interrupt( use three steps ):use these functions: -usart_enable_interrupt- Then -NVIC_EnableIRQ(USART_SERIAL_IRQ);- & Then add this function void USART_SERIAL_ISR_HANDLER(void)
usart_enable_interrupt(USART_SERIAL, US_IER_RXRDY);
NVIC_EnableIRQ(USART_SERIAL_IRQ);
}
void bm_print_clear(void)
{
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, 3 /* length */);
usart_putchar(BM_USART_USART, BM_PRINT_CLEAR);
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
}
void uart_rx_notify(uint8_t port)
{
Usart* usart = get_usart(port);
// If UART is open
if (usart_get_interrupt_mask(usart)
& US_IMR_RXRDY) {
// Enable UART TX interrupt to send a new value
usart_enable_tx(usart);
usart_enable_interrupt(usart, US_IER_TXRDY);
}
}
/**
* \brief Disable receiver and Enable transmitter.
*/
static void func_transmitter(void)
{
/* Configure the TXD pin as peripheral. */
pio_configure_pin(PIN_USART_TXD_IDX, PIN_USART_TXD_FLAGS);
/* Disable Receiver. */
usart_disable_rx(BOARD_USART);
/* Enable transmitter. */
usart_enable_tx(BOARD_USART);
}
void uart_rx_notify(uint8_t port)
{
UNUSED(port);
// If UART is open
if (usart_get_interrupt_mask(USART_BASE)
& US_IMR_RXRDY) {
// Enable UART TX interrupt to send a new value
usart_enable_tx(USART_BASE);
usart_enable_interrupt(USART_BASE, US_IER_TXRDY);
}
}
void bm_mouse_pointer_ctrl(bool state)
{
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, 4 /* length */);
usart_putchar(BM_USART_USART, BM_POINTER_CTRL);
usart_putchar(BM_USART_USART, state);
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
}
void bm_led_tgl(uint32_t led)
{
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, 4 /* length */);
usart_putchar(BM_USART_USART, BM_LED_TGL);
usart_putchar(BM_USART_USART, led);
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
}
/*
* See the serial.h header file.
*/
xComPortHandle xSerialPortInitMinimal( unsigned long ulWantedBaud, unsigned portBASE_TYPE uxQueueLength )
{
uint32_t ulChar;
xComPortHandle xReturn;
const sam_usart_opt_t xUSARTSettings =
{
ulWantedBaud,
US_MR_CHRL_8_BIT,
US_MR_PAR_NO,
US_MR_NBSTOP_1_BIT,
US_MR_CHMODE_NORMAL,
0 /* Only used in IrDA mode. */
};
/* Create the queues used to hold Rx/Tx characters. */
xRxedChars = xQueueCreate( uxQueueLength, ( unsigned portBASE_TYPE ) sizeof( signed char ) );
xCharsForTx = xQueueCreate( uxQueueLength + 1, ( unsigned portBASE_TYPE ) sizeof( signed char ) );
/* If the queues were created correctly then setup the serial port
hardware. */
if( ( xRxedChars != serINVALID_QUEUE ) && ( xCharsForTx != serINVALID_QUEUE ) )
{
/* Enable the peripheral clock in the PMC. */
pmc_enable_periph_clk( serPMC_USART_ID );
/* Configure USART in serial mode. */
usart_init_rs232( serUSART_PORT, &xUSARTSettings, sysclk_get_cpu_hz() );
/* Disable all the interrupts. */
usart_disable_interrupt( serUSART_PORT, serMASK_ALL_INTERRUPTS );
/* Enable the receiver and transmitter. */
usart_enable_tx( serUSART_PORT );
usart_enable_rx( serUSART_PORT );
/* Clear any characters before enabling interrupt. */
usart_getchar( serUSART_PORT, &ulChar );
/* Enable Rx end interrupt. */
usart_enable_interrupt( serUSART_PORT, US_IER_RXRDY );
/* Configure and enable interrupt of USART. */
NVIC_SetPriority( serUSART_IRQ, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
NVIC_EnableIRQ( serUSART_IRQ );
}
else
{
xReturn = ( xComPortHandle ) 0;
}
/* This demo file only supports a single port but we have to return
something to comply with the standard demo header file. */
return xReturn;
}
void bm_pullup_twi(bool state)
{
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, 4 /* length */);
usart_putchar(BM_USART_USART, BM_PULLUP_TWI);
usart_putchar(BM_USART_USART, state);
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
}
static void configure_console(void) {
sysclk_enable_peripheral_clock(PRINTF_USART_ID);
//const usart_serial_options_t uart_serial_options = { .baudrate = CONF_UART_BAUDRATE, .paritytype = CONF_UART_PARITY, };
const usart_serial_options_t uart_serial_options = {
.baudrate = USART_BAUDRATE,
.charlength = USART_CHAR_LENGTH,
.paritytype = USART_PARITY,
.stopbits = false
//US_MR_CHMODE_NORMAL
};
usart_serial_init(PRINTF_USART, &uart_serial_options);
stdio_serial_init(PRINTF_USART, &uart_serial_options);
usart_enable_tx(PRINTF_USART);
usart_enable_rx(PRINTF_USART);
}
int main(void) {
sysclk_init();
board_init();
configure_console();
printf("CPH BaseStation v%d\r\n", 1);
printf("create_uart_cli_task\r\n");
create_uart_cli_task(CONSOLE_UART, mainUART_CLI_TASK_STACK_SIZE, mainUART_CLI_TASK_PRIORITY);
// printf("create_dialer_task\r\n");
// create_dialer_task(mainDIALER_TASK_STACK_SIZE, mainDIALER_TASK_PRIORITY);
printf("create_comm_task\r\n");
create_comm_task(mainCOMM_TASK_STACK_SIZE, mainCOMM_TASK_PRIORITY);
printf("create_apptask_task\r\n");
create_app_task(mainAPPTASK_TASK_STACK_SIZE, mainAPPTASK_TASK_PRIORITY);
printf("create_led_task\r\n");
create_led_task();
printf("starting task scheduler\r\n");
/* Start the scheduler. */
vTaskStartScheduler();
for (;;) {
}
/* Will only get here if there was insufficient memory to create the idle task. */
return 0;
}
void bm_mouse_pointer_move(uint32_t x, uint32_t y)
{
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, 5 /* length */);
usart_putchar(BM_USART_USART, BM_POINTER_MOVE);
usart_putchar(BM_USART_USART, x);
usart_putchar(BM_USART_USART, y);
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
}
bool bm_get_mcu_current(uint32_t* sleep_mode, float* current)
{
uint32_t current_d;
uint32_t c;
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, 4 /* length */);
usart_putchar(BM_USART_USART, BM_MCU_GET_CURRENT);
usart_putchar(BM_USART_USART, *sleep_mode);
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
usart_enable_rx(BM_USART_USART);
// Check first caracter is start pattern
usart_getchar(BM_USART_USART, &c);
if (c == BM_MSG_STOP_PATTERN) {
usart_getchar(BM_USART_USART, &c);
}
if (c != BM_MSG_START_PATTERN) {
return false;
}
// Check second caracter is length
usart_getchar(BM_USART_USART, &c);
if (c != 8) {
return false;
}
// Check third caracter is Current Command
usart_getchar(BM_USART_USART, &c);
if (c != BM_MCU_RET_CURRENT) {
return false;
}
// Check third caracter is sleepmode
usart_getchar(BM_USART_USART, &c);
*sleep_mode = c;
// Then read current
usart_getchar(BM_USART_USART, &c);
current_d = c<<24;
usart_getchar(BM_USART_USART, &c);
current_d |= c<<16;
usart_getchar(BM_USART_USART, &c);
current_d |= c<<8;
usart_getchar(BM_USART_USART, &c);
current_d |= c;
*current = *(float*)& current_d;
// Check last caracter is stop pattern
usart_getchar(BM_USART_USART, &c);
if (c != BM_MSG_STOP_PATTERN) {
return false;
}
usart_disable_rx(BM_USART_USART);
return true;
}
/* ============================================= */
void UartBuffer_Init(void)
{
sysclk_enable_peripheral_clock(ID_USART0);
usart_init_rs232(USART0, &usart_console_settings, sysclk_get_cpu_hz());
usart_disable_interrupt(USART0, ALL_INTERRUPT_MASK);
usart_enable_tx(USART0);
usart_enable_rx(USART0);
usart_enable_interrupt(USART0, US_IER_RXRDY);
NVIC_EnableIRQ(USART0_IRQn);
TxIn = TxOut = 0;
RxIn = RxOut = 0;
}
static void XPROGTarget_SetTxMode(void)
{
/* Wait for a full cycle of the clock */
while(gpio_pin_is_high(PIN_PDIC_GPIO) && TimeoutTicksRemaining);
while(gpio_pin_is_low(PIN_PDIC_GPIO) && TimeoutTicksRemaining);
while(gpio_pin_is_high(PIN_PDIC_GPIO) && TimeoutTicksRemaining);
usart_disable_rx(USART_PDI);
usart_enable_tx(USART_PDI);
gpio_configure_pin(PIN_PDIDTX_GPIO, PIN_PDIDTX_USART_FLAGS);
IsSending = true;
}
bool bm_get_fifo_free_size(uint16_t* free_size)
{
uint32_t start, length, stop, cmd_id, c;
// Wait for some microseconds in order to avoid fifo overrun
//
delay_ms(20);
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, 3 /* length */);
usart_putchar(BM_USART_USART, BM_MCU_GET_FIFO_FREE_SIZE);
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
usart_enable_rx(BM_USART_USART);
// Check first character is start pattern
usart_getchar(BM_USART_USART, &start);
if (start == BM_MSG_STOP_PATTERN) {
usart_getchar(BM_USART_USART, &start);
}
if (start != BM_MSG_START_PATTERN) {
return false;
}
// Check second character is length
usart_getchar(BM_USART_USART, &length);
if (length != 5) {
return false;
}
// Check third character is Current Command
usart_getchar(BM_USART_USART, &cmd_id);
if (cmd_id != BM_MCU_RET_FIFO_FREE_SIZE) {
return false;
}
// Get Fifo free size
usart_getchar(BM_USART_USART, &c);
*free_size = c << 8;
usart_getchar(BM_USART_USART, &c);
*free_size |= c;
// Check last character is stop pattern
usart_getchar(BM_USART_USART, &stop);
if (stop != BM_MSG_STOP_PATTERN) {
return false;
}
usart_disable_rx(BM_USART_USART);
return true;
}
bool bm_get_firmware_version(uint8_t* fw_minor_version, uint8_t* fw_major_version)
{
uint32_t start, length, stop, cmd_id, c;
// Wait for some microseconds in order to avoid fifo overrun
//
delay_ms(20);
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, 3 /* length */);
usart_putchar(BM_USART_USART, BM_GET_FIRMWARE_VERSION);
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
usart_enable_rx(BM_USART_USART);
// Check first character is start pattern
usart_getchar(BM_USART_USART, &start);
if (start == BM_MSG_STOP_PATTERN) {
usart_getchar(BM_USART_USART, &start);
}
if (start != BM_MSG_START_PATTERN) {
return false;
}
// Check second character is length
usart_getchar(BM_USART_USART, &length);
if (length != 5) {
return false;
}
// Check third character is Current Command
usart_getchar(BM_USART_USART, &cmd_id);
if (cmd_id != BM_RET_FIRMWARE_VERSION) {
return false;
}
// Get Fifo free size
usart_getchar(BM_USART_USART, &c);
*fw_major_version = c;
usart_getchar(BM_USART_USART, &c);
*fw_minor_version = c;
// Check last character is stop pattern
usart_getchar(BM_USART_USART, &stop);
if (stop != BM_MSG_STOP_PATTERN) {
return false;
}
usart_disable_rx(BM_USART_USART);
return true;
}
void bm_tgl_button(uint32_t timeout_ms)
{
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, 7 /* length */);
usart_putchar(BM_USART_USART, BM_TGL_BUTTON);
usart_putchar(BM_USART_USART, timeout_ms & 0xff);
usart_putchar(BM_USART_USART, (timeout_ms >> 8 ) & 0xff);
usart_putchar(BM_USART_USART, (timeout_ms >> 16) & 0xff);
usart_putchar(BM_USART_USART, timeout_ms >> 24);
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
}
void bm_send_picouart_frame(uint8_t frame, uint32_t timeout_ms)
{
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, 8 /* length */);
usart_putchar(BM_USART_USART, BM_PICOUART_SEND);
usart_putchar(BM_USART_USART, frame);
usart_putchar(BM_USART_USART, timeout_ms & 0xff);
usart_putchar(BM_USART_USART, (timeout_ms >> 8 ) & 0xff);
usart_putchar(BM_USART_USART, (timeout_ms >> 16) & 0xff);
usart_putchar(BM_USART_USART, timeout_ms >> 24);
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
}
void bm_send_mcu_status(uint32_t power_scaling, uint32_t sleep_mode,
uint32_t cpu_freq, uint32_t cpu_src)
{
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, 10 /* length */);
usart_putchar(BM_USART_USART, BM_MCU_STATUS);
usart_putchar(BM_USART_USART, power_scaling);
usart_putchar(BM_USART_USART, sleep_mode);
usart_putchar(BM_USART_USART, cpu_freq >> 24);
usart_putchar(BM_USART_USART, (cpu_freq >> 16) & 0xff);
usart_putchar(BM_USART_USART, (cpu_freq >> 8 ) & 0xff);
usart_putchar(BM_USART_USART, cpu_freq & 0xff);
usart_putchar(BM_USART_USART, cpu_src);
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
}
/**
* Configure board USART communication with PC or other terminal.
*/
static void configure_usart(void)
{
static uint32_t ul_sysclk;
const sam_usart_opt_t usart_console_settings = {
BOARD_USART_BAUDRATE,
US_MR_CHRL_8_BIT,
US_MR_PAR_NO,
US_MR_NBSTOP_1_BIT,
US_MR_CHMODE_NORMAL,
/* This field is only used in IrDA mode. */
0
};
/* Get system clock. */
ul_sysclk = sysclk_get_cpu_hz();
/* Enable peripheral clock. */
sysclk_enable_peripheral_clock(BOARD_ID_USART);
/* Configure USART. */
usart_init_hw_handshaking(BOARD_USART, &usart_console_settings, ul_sysclk);
/* Disable all the interrupts. */
usart_disable_interrupt(BOARD_USART, ALL_INTERRUPT_MASK);
/* Enable TX & RX function. */
usart_enable_tx(BOARD_USART);
usart_enable_rx(BOARD_USART);
/* Specify that stdout should not be buffered. */
#if defined(__GNUC__)
setbuf(stdout, NULL);
#else
/* Already the case in IAR's Normal DLIB default configuration: printf()
* emits one character at a time.
*/
#endif
/* Configure and enable interrupt of USART. */
NVIC_EnableIRQ(USART_IRQn);
}
/**
* \brief Configure the Console.
*/
static void configure_console(void)
{
const sam_usart_opt_t usart_console_settings = {
CONF_UART_BAUDRATE,
CONF_UART_CHAR_LENGTH,
CONF_UART_PARITY,
CONF_UART_STOP_BITS,
US_MR_CHMODE_NORMAL,
/* This field is only used in IrDA mode. */
0
};
/* Enable the peripheral clock in the PMC. */
sysclk_enable_peripheral_clock(CONF_UART_ID);
/* Configure USART in serial mode. */
usart_init_rs232(CONF_UART, &usart_console_settings,
sysclk_get_cpu_hz());
/* Enable the transmitter. */
usart_enable_tx(CONF_UART);
}
/**
* \brief Configure USART in normal (serial rs232) mode, asynchronous,
* 8 bits, 1 stop bit, no parity, 115200 bauds and enable its transmitter
* and receiver.
*/
static void configure_usart(void)
{
const sam_usart_opt_t usart_console_settings = {
BOARD_USART_BAUDRATE,
US_MR_CHRL_8_BIT,
US_MR_PAR_NO,
US_MR_NBSTOP_1_BIT,
US_MR_CHMODE_NORMAL,
/* This field is only used in IrDA mode. */
0
};
/* Enable the peripheral clock in the PMC. */
sysclk_enable_peripheral_clock(BOARD_ID_USART);
/* Configure USART in serial mode. */
usart_init_rs232(BOARD_USART, &usart_console_settings,
sysclk_get_cpu_hz());
/* Enable the receiver and transmitter. */
usart_enable_tx(BOARD_USART);
usart_enable_rx(BOARD_USART);
}
void bm_print_txt(uint8_t* str, uint8_t str_length)
{
#define BM_PRINT_TEXT_SIZE 21
#define BM_PRINT_TEXT_DEEP 6
usart_enable_tx(BM_USART_USART);
usart_putchar(BM_USART_USART, BM_MSG_START_PATTERN);
usart_putchar(BM_USART_USART, BM_PRINT_TEXT_SIZE + 3 /* length */);
usart_putchar(BM_USART_USART, BM_PRINT_TEXT);
if (str_length < BM_PRINT_TEXT_SIZE) {
for (uint8_t i=0;i<str_length;i++){
usart_putchar(BM_USART_USART, str[i]);
}
for (uint8_t i=0;i < BM_PRINT_TEXT_SIZE - str_length;i++){
usart_putchar(BM_USART_USART, '\0');
}
} else {
for (uint8_t i=0;i<BM_PRINT_TEXT_SIZE;i++){
usart_putchar(BM_USART_USART, str[i]);
}
}
usart_putchar(BM_USART_USART, BM_MSG_STOP_PATTERN);
while (!usart_is_tx_empty(BM_USART_USART));
usart_disable_tx(BM_USART_USART);
}
