Testing the Atmel ARM7 port with an actual UART attached. Fixed several problems, but still not responding.
This commit is contained in:
skarg
@@ -23,12 +23,15 @@
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*********************************************************************/
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/* hardware specific */
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#include "AT91SAM7S256.h"
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#include "board.h"
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#include "math.h"
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#include "stdlib.h"
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#include "string.h"
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#include "stdbool.h"
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#include "timer.h"
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/* standard libraries */
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include <stdint.h>
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/* BACnet */
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#include "rs485.h"
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#include "datalink.h"
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@@ -37,6 +40,10 @@
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#include "dcc.h"
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#include "iam.h"
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#include "handlers.h"
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#include "device.h"
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#include "dcc.h"
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#include "iam.h"
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#include "txbuf.h"
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// *******************************************************
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// FIXME: use header files? External References
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@@ -45,9 +52,6 @@ extern void LowLevelInit(void);
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extern unsigned enableIRQ(void);
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extern unsigned enableFIQ(void);
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extern void TimerInit(void);
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extern volatile unsigned long Timer_Milliseconds;
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// *******************************************************
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// FIXME: use header files? Global Variables
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// *******************************************************
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@@ -58,8 +62,9 @@ static unsigned long LED_Timer_1 = 0;
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static unsigned long LED_Timer_2 = 0;
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static unsigned long LED_Timer_3 = 0;
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static unsigned long LED_Timer_4 = 1000;
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static unsigned long DCC_Timer = 1000;
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void millisecond_timer(void)
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static void millisecond_timer(void)
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{
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while (Timer_Milliseconds) {
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Timer_Milliseconds--;
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@@ -75,21 +80,15 @@ void millisecond_timer(void)
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if (LED_Timer_4) {
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LED_Timer_4--;
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}
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dlmstp_millisecond_timer();
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if (DCC_Timer) {
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DCC_Timer--;
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}
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}
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/* note: MS/TP silence timer is updated in ISR */
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}
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int main (void) {
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unsigned long IdleCount = 0; // idle loop blink counter
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bool LED3_Off_Enabled = true;
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uint16_t pdu_len = 0;
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BACNET_ADDRESS src; /* source address */
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uint8_t pdu[MAX_MPDU]; /* PDU data */
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// Initialize the Atmel AT91SAM7S256
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// (watchdog, PLL clock, default interrupts, etc.)
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LowLevelInit();
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TimerInit();
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static void init(void)
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{
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/* Initialize the Parallel I/O Controller A Peripheral Clock */
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volatile AT91PS_PMC pPMC = AT91C_BASE_PMC;
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pPMC->PMC_PCER = pPMC->PMC_PCSR | (1<<AT91C_ID_PIOA);
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@@ -127,7 +126,10 @@ int main (void) {
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// Enable the FIQ interrupt in
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// AIC Interrupt Enable Command Register
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pAIC->AIC_IECR = (1<<AT91C_ID_FIQ);
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}
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static void bacnet_init(void)
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{
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#if defined(BACDL_MSTP)
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RS485_Set_Baud_Rate(38400);
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dlmstp_set_mac_address(55);
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@@ -135,7 +137,8 @@ int main (void) {
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dlmstp_set_max_info_frames(1);
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dlmstp_init(NULL);
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#endif
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Device_Init();
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Device_Set_Object_Instance_Number(22222);
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#ifndef DLMSTP_TEST
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/* we need to handle who-is to support dynamic device binding */
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apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS,
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@@ -153,32 +156,80 @@ int main (void) {
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(SERVICE_CONFIRMED_DEVICE_COMMUNICATION_CONTROL,
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handler_device_communication_control);
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#endif
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}
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int main (void) {
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unsigned long IdleCount = 0; // idle loop blink counter
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bool LED1_Off_Enabled = true;
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bool LED2_Off_Enabled = true;
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bool LED3_Off_Enabled = true;
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uint16_t pdu_len = 0;
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BACNET_ADDRESS src; /* source address */
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uint8_t pdu[MAX_MPDU]; /* PDU data */
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// Set up the LEDs (PA0 - PA3)
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volatile AT91PS_PIO pPIO = AT91C_BASE_PIOA;
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// Initialize the Atmel AT91SAM7S256
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// (watchdog, PLL clock, default interrupts, etc.)
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LowLevelInit();
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TimerInit();
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init();
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bacnet_init();
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// enable interrupts
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enableIRQ();
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enableFIQ();
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// endless blink loop
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/* broadcast an I-Am on startup */
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iam_send(&Handler_Transmit_Buffer[0]);
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// endless blink loop
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while (1) {
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millisecond_timer();
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/* interrupt turns on the LED, we turn it off */
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if (!DCC_Timer) {
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dcc_timer_seconds(1);
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DCC_Timer = 1000;
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}
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/* USART Tx turns the LED on, we turn it off */
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if (((pPIO->PIO_ODSR & LED1) == LED1) && (LED1_Off_Enabled))
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{
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LED1_Off_Enabled = false;
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/* wait */
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LED_Timer_1 = 20;
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}
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if (!LED_Timer_1) {
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/* turn off */
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pPIO->PIO_SODR = LED1;
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LED1_Off_Enabled = true;
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}
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/* USART Rx turns the LED on, we turn it off */
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if (((pPIO->PIO_ODSR & LED2) == LED2) && (LED2_Off_Enabled))
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{
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LED2_Off_Enabled = false;
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/* wait */
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LED_Timer_2 = 20;
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}
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if (!LED_Timer_2) {
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/* turn off */
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pPIO->PIO_SODR = LED2;
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LED2_Off_Enabled = true;
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}
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/* switch or NPDU turns on the LED, we turn it off */
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if (((pPIO->PIO_ODSR & LED3) == LED3) && (LED3_Off_Enabled))
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{
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LED3_Off_Enabled = false;
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/* wait */
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LED_Timer_3 = 250;
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LED_Timer_3 = 500;
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}
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if (!LED_Timer_3) {
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/* turn LED3 (DS3) off */
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pPIO->PIO_SODR = LED3;
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LED3_Off_Enabled = true;
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}
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/* Blink LED every second */
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if (!LED_Timer_4) {
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if ((pPIO->PIO_ODSR & LED4) == LED4) {
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// turn LED2 (DS2) on
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/* turn on */
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pPIO->PIO_CODR = LED4;
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} else {
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// turn LED2 (DS2) off
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/* turn off */
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pPIO->PIO_SODR = LED4;
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}
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/* wait */
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