Draw some info to display, and refresh it every some time. Add cgi to write message...
[bertos.git] / boards / sam3x-ek / examples / sam3x-ek_http_server / main.c
index fdf90de5092a44f42e44b871ce25a1f176ca2c96..fcce73575d6ec9e0a76f225e53a3f99b42a6b4b5 100644 (file)
  */
 
 
+#include "bitmaps.h"
+
 #include "hw/hw_http.h"
 #include "hw/hw_sd.h"
 #include "hw/hw_adc.h"
 #include "hw/hw_sdram.h"
+#include "hw/hw_led.h"
+#include "hw/hw_lcd.h"
 
 // Define logging setting (for cfg/log.h module).
 #define LOG_LEVEL         3
 #include <drv/sd.h>
 #include <drv/dmac_sam3.h>
 #include <drv/adc.h>
+#include <drv/lcd_hx8347.h>
 
 #include <kern/proc.h>
 #include <kern/monitor.h>
+#include <struct/heap.h>
 
 #include <net/http.h>
 
 #include <lwip/tcpip.h>
 #include <lwip/dhcp.h>
 
+#include <gfx/gfx.h>
+#include <gfx/font.h>
+#include <gfx/text.h>
+
 #include <fs/fat.h>
 
 #include <icons/bertos.h>
 
+#include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 
+/* Macro to unpack the ip addres from lwip format in 4 int*/
+#define IP_ADDR_TO_INT_TUPLE(addr) \
+               (int)((addr) >>  0 & 0xff), \
+               (int)((addr) >>  8 & 0xff), \
+               (int)((addr) >> 16 & 0xff), \
+               (int)((addr) >> 24 & 0xff)
+
 /* Network interface global variables */
 static struct ip_addr ipaddr, netmask, gw;
 static struct netif netif;
 
+
+#define GET_LED_STATUS(status, led_id)     (((status) & BV((led_id))) >> (led_id))
+#define CLEAR_LED_STATUS(status, led_id)   ((status) &= ~BV((led_id)))
+#define SET_LED_STATUS(status, led_id)     ((status) |= BV((led_id)))
+
 typedef struct BoardStatus
 {
        char local_ip[sizeof("123.123.123.123")];
        char last_connected_ip[sizeof("123.123.123.123")];
+       uint8_t led_status;
        uint16_t internal_temp;
        uint32_t up_time;
        size_t tot_req;
 } BoardStatus;
 
 static BoardStatus status;
+static uint8_t raster[RAST_SIZE(LCD_WIDTH, LCD_HEIGHT)];
+static Bitmap *lcd_bitmap;
+extern Font font_gohu;
+static int lcd_brightness = LCD_BACKLIGHT_MAX;
+static struct Heap heap;
 
 
 static void init(void)
@@ -113,6 +142,28 @@ static void init(void)
         */
        proc_init();
        sdram_init();
+       dmac_init();
+       adc_init();
+
+       /* Enable the adc to read internal temperature sensor */
+       hw_enableTempRead();
+       LED_INIT();
+
+       heap_init(&heap, (void *)SDRAM_BASE, SDRAM_SIZE);
+       lcd_bitmap = heap_allocmem(&heap, RAST_SIZE(LCD_WIDTH, LCD_HEIGHT));
+       if (lcd_bitmap)
+               kprintf("Allocated memory for display raster, addr 0x%x\n", (unsigned)lcd_bitmap);
+       else
+       {
+               kprintf("Error allocating memory for LCD raster!\n");
+       }
+
+       lcd_hx8347_init();
+       lcd_setBacklight(lcd_brightness);
+
+       gfx_bitmapInit(lcd_bitmap, raster, LCD_WIDTH, LCD_HEIGHT);
+       gfx_setFont(lcd_bitmap, &font_luBS14);
+       lcd_hx8347_blitBitmap(lcd_bitmap);
 
        /* Initialize TCP/IP stack */
        tcpip_init(NULL, NULL);
@@ -121,64 +172,86 @@ static void init(void)
        netif_add(&netif, &ipaddr, &netmask, &gw, NULL, ethernetif_init, tcpip_input);
        netif_set_default(&netif);
        netif_set_up(&netif);
+}
 
-       dmac_init();
-
-       adc_init();
-       /* Enable the adc to read internal temperature sensor */
-       hw_enableTempRead();
+static void sec_to_hms(uint32_t sec_time, uint32_t *h, uint32_t *m,  uint32_t *s)
+{
+       *m = sec_time / 60;
+       *h = (*m) / 60;
+       *s = sec_time - ((*m) * 60) - ((*h) * 3600);
 }
 
-static NORETURN void status_process(void)
+static NORETURN void proc_displayRefresh(void)
 {
        while (1)
        {
+               //LOG_INFO("Refresh display\n");
+               uint32_t m;
+               uint32_t h;
+               uint32_t s;
                status.internal_temp = hw_convertToDegree(adc_read(ADC_TEMPERATURE_CH));
-               status.up_time++;
-               timer_delay(1000);
+               status.up_time += 5;
+               sec_to_hms(status.up_time, &h, &m, &s);
+
+               text_xprintf(lcd_bitmap, 11, 0, TEXT_FILL, " ");
+               text_xprintf(lcd_bitmap, 11, 0, 0, "Board ip: %s", status.local_ip);
+
+               text_xprintf(lcd_bitmap, 12, 0, TEXT_FILL, " ");
+               text_xprintf(lcd_bitmap, 12, 0, 0, "Last connected ip: %s", status.last_connected_ip);
+
+               text_xprintf(lcd_bitmap, 13, 0, TEXT_FILL, " ");
+               text_xprintf(lcd_bitmap, 13, 0, 0, "Temperature: %d.%dC",       status.internal_temp / 10, status.internal_temp % 10);
+
+               text_xprintf(lcd_bitmap, 14, 0, TEXT_FILL, " ");
+               text_xprintf(lcd_bitmap, 14, 0, 0, "Up time: %ldh %ldm %lds", h, m, s);
+
+               lcd_hx8347_blitBitmap(lcd_bitmap);
+               lcd_hx8347_blitBitmap24(10, 0, BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, bmp_logo);
+
+               timer_delay(5000);
        }
 }
 
-/* Macro to unpack the ip addres from lwip format */
-#define IP_ADDR_TO_INT_TUPLE(addr) \
-               (int)((addr) >>  0 & 0xff), \
-               (int)((addr) >>  8 & 0xff), \
-               (int)((addr) >> 16 & 0xff), \
-               (int)((addr) >> 24 & 0xff)
-
 
 static uint8_t tx_buf[2048];
 
 /*
  * Return a JSON string of board status.
  */
-static int cgi_status(struct netconn *client, const char *name, char *revc_buf, size_t revc_len)
+static int cgi_status(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
 {
-       (void)revc_buf;
-       (void)revc_len;
+       (void)recv_buf;
+       (void)recv_len;
        (void)name;
 
+       status.tot_req++;
+       uint16_t volt = ADC_RANGECONV(adc_read(1), 0, 3300);
        //Update board status.
        sprintf(status.last_connected_ip, "%d.%d.%d.%d", IP_ADDR_TO_INT_TUPLE(client->pcb.ip->remote_ip.addr));
        sprintf(status.local_ip, "%d.%d.%d.%d", IP_ADDR_TO_INT_TUPLE(client->pcb.ip->local_ip.addr));
-       sprintf((char *)tx_buf, "[ \"%s\", \"%s\", %d.%d, %ld, %d ]", status.local_ip, status.last_connected_ip,
-                                                                                                                       status.internal_temp / 10, status.internal_temp % 10,
-                                                                                                                       status.up_time, status.tot_req);
-
-       status.tot_req++;
 
-       http_sendOk(client);
+       sprintf((char *)tx_buf, "{ \"local_ip\":\"%s\",\"last_connected_ip\":\"%s\", \"temp\":%d.%d,\"volt\":%d.%d,\"up_time\":%ld,\"tot_req\":%d, \
+\"leds\":{ \"0\":\"%d\", \"1\":\"%d\", \"2\":\"%d\"}}",
+                                                               status.local_ip, status.last_connected_ip,
+                                                               status.internal_temp / 10, status.internal_temp % 10,
+                                                               volt / 1000, volt % 1000,
+                                                               status.up_time, status.tot_req,
+                                                               GET_LED_STATUS(status.led_status, 0),
+                                                               GET_LED_STATUS(status.led_status, 1),
+                                                               GET_LED_STATUS(status.led_status, 2));
+
+       http_sendOk(client, HTTP_CONTENT_JSON);
        netconn_write(client, tx_buf, strlen((char *)tx_buf), NETCONN_COPY);
        return 0;
 }
 
-static int cgi_logo(struct netconn *client, const char *name, char *revc_buf, size_t revc_len)
+static int cgi_logo(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
 {
-       (void)revc_buf;
-       (void)revc_len;
+       (void)recv_buf;
+       (void)recv_len;
        (void)name;
 
-       http_sendOk(client);
+       http_sendOk(client, HTTP_CONTENT_JPEG);
        netconn_write(client, bertos_logo_jpg, bertos_logo_jpg_len, NETCONN_NOCOPY);
        return 0;
 }
@@ -186,15 +259,15 @@ static int cgi_logo(struct netconn *client, const char *name, char *revc_buf, si
 /*
  * Return the internal micro temperature string.
  */
-static int cgi_temp(struct netconn *client, const char *name, char *revc_buf, size_t revc_len)
+static int cgi_temp(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
 {
-       (void)revc_buf;
-       (void)revc_len;
+       (void)recv_buf;
+       (void)recv_len;
        (void)name;
 
        sprintf((char *)tx_buf, "[%d.%d]", status.internal_temp / 10, status.internal_temp % 10);
 
-       http_sendOk(client);
+       http_sendOk(client, HTTP_CONTENT_JSON);
        netconn_write(client, tx_buf, strlen((char *)tx_buf), NETCONN_COPY);
        return 0;
 }
@@ -203,21 +276,20 @@ static int cgi_temp(struct netconn *client, const char *name, char *revc_buf, si
 /*
  * Return the board uptime.
  */
-static int cgi_uptime(struct netconn *client, const char *name, char *revc_buf, size_t revc_len)
+static int cgi_uptime(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
 {
-       (void)revc_buf;
-       (void)revc_len;
+       (void)recv_buf;
+       (void)recv_len;
        (void)name;
 
-
-
-       uint32_t m = status.up_time / 60;
-       uint32_t h = m / 60;
-       uint32_t s = status.up_time  - (m * 60) - (h * 3600);
+       uint32_t m;
+       uint32_t h;
+       uint32_t s;
+       sec_to_hms(status.up_time, &h, &m, &s);
 
        sprintf((char *)tx_buf, "[\"%ldh %ldm %lds\"]", h, m, s);
 
-       http_sendOk(client);
+       http_sendOk(client, HTTP_CONTENT_JSON);
        netconn_write(client, tx_buf, strlen((char *)tx_buf), NETCONN_COPY);
        return 0;
 }
@@ -225,44 +297,182 @@ static int cgi_uptime(struct netconn *client, const char *name, char *revc_buf,
 /*
  * Return the VR1 potentiometer voltage.
  */
-static int cgi_resistor(struct netconn *client, const char *name, char *revc_buf, size_t revc_len)
+static int cgi_resistor(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
 {
-       (void)revc_buf;
-       (void)revc_len;
+       (void)recv_buf;
+       (void)recv_len;
        (void)name;
 
        uint16_t volt = ADC_RANGECONV(adc_read(1), 0, 3300);
+       kprintf("volt %d\n", volt);
        sprintf((char *)tx_buf, "[ \"%d.%dV\" ]",  volt / 1000, volt % 1000);
 
-       http_sendOk(client);
+       http_sendOk(client, HTTP_CONTENT_JSON);
        netconn_write(client, tx_buf, strlen((char *)tx_buf), NETCONN_COPY);
        return 0;
 }
 
+
+#define CGI_LED_ID_KEY    "n"
+#define CGI_LED_CMD_KEY   "set"
+
+static char key_value[80];
+
 /*
  * Reply to client the request string.
  */
-static int cgi_led(struct netconn *client, const char *name, char *revc_buf, size_t revc_len)
+static int cgi_led(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
+{
+       (void)recv_buf;
+       (void)recv_len;
+       (void)name;
+
+       char *query_str = strstr(name, "?") + 1;
+       size_t query_str_len = strlen(query_str);
+       int led_id;
+       int led_cmd;
+
+       int len = http_tokenizeGetRequest(query_str, query_str_len);
+
+       LOG_INFO("Found %d key/value pair\n", len);
+
+       if (http_getValue(query_str, query_str_len, CGI_LED_ID_KEY, key_value, sizeof(key_value)) < 0)
+       {
+               LOG_ERR("key %s, not found\n", CGI_LED_ID_KEY);
+               goto error;
+       }
+
+       LOG_INFO("Found key %s = %s\n", CGI_LED_ID_KEY, key_value);
+       led_id = atoi(key_value);
+
+
+       if (http_getValue(query_str, query_str_len, CGI_LED_CMD_KEY, key_value, sizeof(key_value)) < 0)
+       {
+               LOG_ERR("key %s, not found\n", CGI_LED_CMD_KEY);
+               goto error;
+       }
+
+       LOG_INFO("Found key %s = %s\n", CGI_LED_CMD_KEY, key_value);
+       led_cmd = atoi(key_value);
+
+       if (led_cmd)
+       {
+               LED_ON(led_id);
+               SET_LED_STATUS(status.led_status, led_id);
+       }
+       else
+       {
+               LED_OFF(led_id);
+               CLEAR_LED_STATUS(status.led_status, led_id);
+       }
+
+       sprintf((char *)tx_buf, "{\"n\":%d, \"set\":,%d}", led_id, led_cmd);
+
+       http_sendOk(client, HTTP_CONTENT_JSON);
+       netconn_write(client, tx_buf, strlen((char *)tx_buf), NETCONN_COPY);
+       return 0;
+
+error:
+       http_sendInternalErr(client, HTTP_CONTENT_JSON);
+       return 0;
+}
+
+static int cgi_ledStatus(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
 {
+       (void)recv_buf;
+       (void)recv_len;
        (void)name;
 
-       http_sendOk(client);
-       netconn_write(client, revc_buf, revc_len, NETCONN_COPY);
+       sprintf((char *)tx_buf, "{ \"0\":\"%d\", \"1\":\"%d\", \"2\":\"%d\"}",
+                                                               GET_LED_STATUS(status.led_status, 0),
+                                                               GET_LED_STATUS(status.led_status, 1),
+                                                               GET_LED_STATUS(status.led_status, 2));
+
+       http_sendOk(client, HTTP_CONTENT_JSON);
+       netconn_write(client, tx_buf, strlen((char *)tx_buf), NETCONN_COPY);
+       return 0;
+}
+
+
+#define CGI_MSG_CMD_KEY   "msg"
+
+static int cgi_displayMsg(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
+{
+       (void)recv_buf;
+       (void)recv_len;
+       (void)name;
+
+       char *query_str = strstr(name, "?") + 1;
+       size_t query_str_len = strlen(query_str);
+
+       int len = http_tokenizeGetRequest(query_str, query_str_len);
+
+       LOG_INFO("Found %d key/value pair\n", len);
+
+       if (http_getValue(query_str, query_str_len, CGI_MSG_CMD_KEY, key_value, sizeof(key_value)) < 0)
+       {
+               LOG_ERR("key %s, not found\n", CGI_MSG_CMD_KEY);
+               goto error;
+       }
+
+       LOG_INFO("Found key %s = %s\n", CGI_MSG_CMD_KEY, key_value);
+
+       text_xprintf(lcd_bitmap, 10, 0, TEXT_FILL, " ");
+       text_xprintf(lcd_bitmap, 10, 0, TEXT_CENTER, "%s", key_value);
+
+       http_sendOk(client, HTTP_CONTENT_JSON);
+       return 0;
+
+error:
+       http_sendInternalErr(client, HTTP_CONTENT_JSON);
        return 0;
 }
 
 /*
  * Reply to client the request string.
  */
-static int cgi_echo(struct netconn *client, const char *name, char *revc_buf, size_t revc_len)
+static int cgi_echo(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
 {
        (void)name;
 
-       http_sendOk(client);
-       netconn_write(client, revc_buf, revc_len, NETCONN_COPY);
+       http_sendOk(client, HTTP_CONTENT_PLAIN);
+       netconn_write(client, recv_buf, recv_len, NETCONN_COPY);
        return 0;
 }
 
+/*
+ * Return to client a string that display the CHIP ID information.
+ * See datasheet for more detail.
+ */
+static int cgi_chipInfo(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
+{
+       (void)recv_buf;
+       (void)recv_len;
+       (void)name;
+
+       sprintf((char *)tx_buf, "{ \"core_name\":\"%s\", \"arch_name\":\"%s\", \"sram_size\":\"%s\",\"flash_size\":\"%s\", \"mem_boot_type\":\"%s\" }",
+                                               chipid_eproc_name(CHIPID_EPRCOC()),
+                                               chipid_archnames(CHIPID_ARCH()),
+                                               chipid_sramsize(CHIPID_SRAMSIZ()),
+                                               chipid_nvpsize(CHIPID_NVPSIZ()),
+                                               chipid_nvptype(CHIPID_NVTYP()));
+
+       http_sendOk(client, HTTP_CONTENT_JSON);
+       netconn_write(client, tx_buf, strlen((char *)tx_buf), NETCONN_COPY);
+
+       return 0;
+}
+
+
+static int cgi_error(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
+{
+       (void)client;
+       (void)name;
+       (void)recv_buf;
+       (void)recv_len;
+
+       return -1;
+}
 
 
 /*
@@ -273,10 +483,10 @@ static int cgi_echo(struct netconn *client, const char *name, char *revc_buf, si
  * error page if the SD card is not present.
  *
  */
-static int http_htmPageLoad(struct netconn *client, const char *name, char *revc_buf, size_t revc_len)
+static int http_htmPageLoad(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
 {
-       (void)revc_buf;
-       (void)revc_len;
+       (void)recv_buf;
+       (void)recv_len;
 
        if (SD_CARD_PRESENT())
        {
@@ -308,7 +518,8 @@ static int http_htmPageLoad(struct netconn *client, const char *name, char *revc
                                {
                                        LOG_INFO("Opened file '%s' size %ld\n", name, in_file.fat_file.fsize);
 
-                                       http_sendOk(client);
+                                       int type = http_searchContentType(name);
+                                       http_sendOk(client, type);
 
                                        while (count < in_file.fat_file.fsize)
                                        {
@@ -325,7 +536,7 @@ static int http_htmPageLoad(struct netconn *client, const char *name, char *revc
                                else
                                {
                                        LOG_ERR("Unable to open file: '%s' error[%d]\n",  name, result);
-                                       http_sendFileNotFound(client);
+                                       http_sendFileNotFound(client, HTTP_CONTENT_HTML);
                                        netconn_write(client, http_file_not_found, http_file_not_found_len - 1, NETCONN_NOCOPY);
                                }
                        }
@@ -335,49 +546,29 @@ static int http_htmPageLoad(struct netconn *client, const char *name, char *revc
        }
        else
        {
-               http_sendFileNotFound(client);
+               http_sendFileNotFound(client, HTTP_CONTENT_HTML);
                netconn_write(client, http_sd_not_present, http_sd_not_present_len, NETCONN_NOCOPY);
        }
 
        return 0;
 }
 
-/*
- * Return to client a string that display the CHIP ID information.
- * See datasheet for more detail.
- */
-static int cgi_chipInfo(struct netconn *client, const char *name, char *revc_buf, size_t revc_len)
-{
-       (void)revc_buf;
-       (void)revc_len;
-       (void)name;
-
-       sprintf((char *)tx_buf, "{ \"core_name\":\"%s\", \"arch_name\":\"%s\", \"sram_size\":\"%s\",\
-                                                               \"flash_size\":\"%s\", \"mem_boot_type\":\"%s\" }",
-       chipid_eproc_name(CHIPID_EPRCOC()),
-       chipid_archnames(CHIPID_ARCH()),
-       chipid_sramsize(CHIPID_SRAMSIZ()),
-       chipid_nvpsize(CHIPID_NVPSIZ()),
-       chipid_nvptype(CHIPID_NVTYP()));
-
-       http_sendOk(client);
-       netconn_write(client, tx_buf, strlen((char *)tx_buf), NETCONN_COPY);
-
-       return 0;
-}
 
 /*
  * Static cgi table where we associate callback to page.
  */
 static HttpCGI cgi_table[] =
 {
-       { CGI_MATCH_WORD, "echo",                cgi_echo          },
+       { CGI_MATCH_NAME, "echo",                cgi_echo          },
        { CGI_MATCH_NAME, "get_temperature",     cgi_temp          },
        { CGI_MATCH_NAME, "get_uptime",          cgi_uptime        },
        { CGI_MATCH_NAME, "get_resistor",        cgi_resistor      },
        { CGI_MATCH_NAME, "set_led",             cgi_led           },
-       { CGI_MATCH_WORD, "status",              cgi_status        },
+       { CGI_MATCH_NAME, "get_ledStatus",       cgi_ledStatus     },
+       { CGI_MATCH_NAME, "error",               cgi_error         },
+       { CGI_MATCH_NAME, "status",              cgi_status        },
        { CGI_MATCH_NAME, "get_chipinfo",        cgi_chipInfo      },
+       { CGI_MATCH_NAME, "display",             cgi_displayMsg    },
        { CGI_MATCH_NAME, "bertos_logo_jpg",     cgi_logo          },
        { CGI_MATCH_NONE,  NULL,                 NULL              }
 };
@@ -391,12 +582,20 @@ int main(void)
        init();
        http_init(http_htmPageLoad, cgi_table);
 
-       proc_new(status_process, NULL, KERN_MINSTACKSIZE * 2, NULL);
+       proc_new(proc_displayRefresh, NULL, KERN_MINSTACKSIZE * 2, NULL);
 
        dhcp_start(&netif);
        while (!netif.ip_addr.addr)
                timer_delay(DHCP_FINE_TIMER_MSECS);
-       kprintf("dhcp ok: ip = %d.%d.%d.%d\n", IP_ADDR_TO_INT_TUPLE(netif.ip_addr.addr));
+
+       sprintf(status.local_ip, "%d.%d.%d.%d", IP_ADDR_TO_INT_TUPLE(netif.ip_addr.addr));
+       sprintf(status.last_connected_ip, "%d.%d.%d.%d", IP_ADDR_TO_INT_TUPLE(0));
+       kprintf("dhcp ok: ip = %s", status.local_ip);
+
+       text_xprintf(lcd_bitmap, 12, 0, 0, "Board ip: %s", status.local_ip);
+
+       lcd_hx8347_blitBitmap(lcd_bitmap);
+       lcd_hx8347_blitBitmap24(12, 0, BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, bmp_logo);
 
        server = netconn_new(NETCONN_TCP);
        netconn_bind(server, IP_ADDR_ANY, 80);