*
* This simple web server read the site's pages from SD card, and manage
* the cases where SD is not present or page not found, using embedded pages.
- * Quering from browser the /status page, the server return a json dictionary where are store
- * some board status info, like board temperature, up-time, etc.
+ * Quering from browser some cgi page, the server return a json dictionary.
*/
+#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
+#define LOG_VERBOSITY 0
+#include <cfg/log.h>
#include <cfg/debug.h>
#include <cpu/irq.h>
#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>
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;
- ticks_t up_time;
+ 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 uint8_t tx_buf[2048];
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);
netif_add(&netif, &ipaddr, &netmask, &gw, NULL, ethernetif_init, tcpip_input);
netif_set_default(&netif);
netif_set_up(&netif);
+}
- dmac_init();
+static int sec_to_strDhms(uint32_t sec_time, char *str, size_t len)
+{
+ uint32_t h = (sec_time / 3600);
+ uint32_t d = h / 24;
+ uint32_t m = ((sec_time - (h * 3600)) / 60);
+ uint32_t s = (sec_time - (m * 60) - (h * 3600));
- adc_init();
- /* Enable the adc to read internal temperature sensor */
- hw_enableTempRead();
+ if (len < sizeof("xxxxd xxh xxm xxs"))
+ return -1;
+
+ sprintf(str, "%ldd %ldh %ldm %lds", d, (h >= 24) ? h - 24 : h, m, s);
+
+ return 0;
}
-static NORETURN void status_process(void)
+
+static NORETURN void proc_displayRefresh(void)
{
while (1)
{
+ //LOG_INFO("Refresh display\n");
+
status.internal_temp = hw_convertToDegree(adc_read(ADC_TEMPERATURE_CH));
- status.up_time++;
- timer_delay(1000);
- }
-}
+ status.up_time += 1;
+ sec_to_strDhms(status.up_time, (char *)tx_buf, sizeof(tx_buf));
-#define IP_ADDR_TO_INT_TUPLE(addr) \
- (int)((addr) >> 0 & 0xff), \
- (int)((addr) >> 8 & 0xff), \
- (int)((addr) >> 16 & 0xff), \
- (int)((addr) >> 24 & 0xff)
+ gfx_bitmapClear(lcd_bitmap);
+ text_style(lcd_bitmap, STYLEF_BOLD | STYLEF_UNDERLINE, STYLEF_BOLD | STYLEF_UNDERLINE);
+ text_xprintf(lcd_bitmap, 0, 0, TEXT_CENTER | TEXT_FILL, "BeRTOS Simple Http Server");
+ text_style(lcd_bitmap, 0, STYLEF_MASK);
+ text_xprintf(lcd_bitmap, 2, 0, 0, "Board ip: %s", status.local_ip);
+ text_xprintf(lcd_bitmap, 3, 0, 0, "Last connected ip: %s", status.last_connected_ip);
+ text_xprintf(lcd_bitmap, 4, 0, 0, "Temperature: %d.%dC", status.internal_temp / 10, status.internal_temp % 10);
+ text_xprintf(lcd_bitmap, 5, 0, 0, "Up time: %s", tx_buf);
+ lcd_hx8347_blitBitmap(lcd_bitmap);
-static uint8_t tx_buf[1024];
+ timer_delay(1000);
+ }
+}
-static int cgi_status(char *revc_buf, struct netconn *client)
+/*
+ * Return a JSON string of board status.
+ */
+static int cgi_status(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
{
- (void)revc_buf;
+ (void)recv_buf;
+ (void)recv_len;
+ (void)name;
+
+ status.tot_req++;
+ uint16_t volt = adc_read(1);
//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++;
+ sprintf((char *)tx_buf, "{ \"local_ip\":\"%s\",\"last_connected_ip\":\"%s\", \"temp\":%d.%d,\"volt\":%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, 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_sendOk(client, HTTP_CONTENT_JSON);
netconn_write(client, tx_buf, strlen((char *)tx_buf), NETCONN_COPY);
return 0;
}
-static int cgi_logo(char *revc_buf, struct netconn *client)
+static int cgi_logo(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
{
- (void)revc_buf;
+ (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;
}
+/*
+ * Return the internal micro temperature string.
+ */
+static int cgi_temp(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, "[%d.%d]", status.internal_temp / 10, status.internal_temp % 10);
+
+ http_sendOk(client, HTTP_CONTENT_JSON);
+ netconn_write(client, tx_buf, strlen((char *)tx_buf), NETCONN_COPY);
+ return 0;
+}
+
+
+/*
+ * Return the board uptime.
+ */
+static int cgi_uptime(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
+{
+ (void)recv_buf;
+ (void)recv_len;
+ (void)name;
+
+ sec_to_strDhms(status.up_time, (char *)tx_buf, sizeof(tx_buf));
+
+ http_sendOk(client, HTTP_CONTENT_JSON);
+ netconn_write(client, tx_buf, strlen((char *)tx_buf), NETCONN_COPY);
+ return 0;
+}
+
+/*
+ * Return the VR1 potentiometer voltage.
+ */
+static int cgi_resistor(struct netconn *client, const char *name, char *recv_buf, size_t recv_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_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 *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;
+
+ 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_INFO("Found key %s = %s\n", CGI_MSG_CMD_KEY, key_value);
+
+ gfx_bitmapClear(lcd_bitmap);
+ text_style(lcd_bitmap, STYLEF_BOLD | STYLEF_UNDERLINE, STYLEF_BOLD | STYLEF_UNDERLINE);
+ text_xprintf(lcd_bitmap, 0, 0, TEXT_CENTER | TEXT_FILL, "BeRTOS Simple Http Server");
+ text_style(lcd_bitmap, 0, STYLEF_MASK);
+ text_xprintf(lcd_bitmap, 2, 0, TEXT_CENTER | TEXT_FILL, "Your message:");
+ text_xprintf(lcd_bitmap, 10, 0, TEXT_CENTER, "%s", key_value);
+
+ lcd_hx8347_blitBitmap(lcd_bitmap);
+
+ http_sendOk(client, HTTP_CONTENT_JSON);
+ return 0;
+ }
+
+ 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 *recv_buf, size_t recv_len)
+{
+ (void)name;
+
+ 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;
+}
+
+
+/*
+ * Default function that http server call every client request, if it doesn't match a cgi table.
+ * In this implementation all client request are associate to real file stored on FAT file
+ * sistem on SD card. If the file there is not on SD card the server reply to client the
+ * error File not found, and send an harcoded page. In the same way, the server reply
+ * error page if the SD card is not present.
+ *
+ */
+static int http_htmPageLoad(struct netconn *client, const char *name, char *recv_buf, size_t recv_len)
+{
+ (void)recv_buf;
+ (void)recv_len;
+
+ if (SD_CARD_PRESENT())
+ {
+
+ // SD fat filesystem context
+ Sd sd;
+ FATFS fs;
+ FatFile in_file;
+ FRESULT result;
+
+ bool sd_ok = sd_init(&sd, NULL, 0);
+ if (sd_ok)
+ {
+ LOG_INFO("Mount FAT filesystem.\n");
+ result = f_mount(0, &fs);
+ if (result != FR_OK)
+ {
+ LOG_ERR("Mounting FAT volumes error[%d]\n", result);
+ sd_ok = false;
+ f_mount(0, NULL);
+ }
+
+ if (sd_ok)
+ {
+ result = fatfile_open(&in_file, name, FA_OPEN_EXISTING | FA_READ);
+
+ size_t count = 0;
+ if (result == FR_OK)
+ {
+ LOG_INFO("Opened file '%s' size %ld\n", name, in_file.fat_file.fsize);
+
+ int type = http_searchContentType(name);
+ http_sendOk(client, type);
+
+ while (count < in_file.fat_file.fsize)
+ {
+ int len = kfile_read(&in_file.fd, tx_buf, sizeof(tx_buf));
+ netconn_write(client, tx_buf, len, NETCONN_COPY);
+ count += len;
+ }
+
+ kfile_flush(&in_file.fd);
+ kfile_close(&in_file.fd);
+
+ LOG_INFO("Sent: %d\n", count);
+ }
+ else
+ {
+ LOG_ERR("Unable to open file: '%s' error[%d]\n", name, result);
+ http_sendFileNotFound(client, HTTP_CONTENT_HTML);
+ netconn_write(client, http_file_not_found, http_file_not_found_len - 1, NETCONN_NOCOPY);
+ }
+ }
+ }
+ f_mount(0, NULL);
+ LOG_INFO("Umount FAT filesystem.\n");
+ }
+ else
+ {
+ http_sendFileNotFound(client, HTTP_CONTENT_HTML);
+ netconn_write(client, http_sd_not_present, http_sd_not_present_len, NETCONN_NOCOPY);
+ }
+
+ return 0;
+}
+
+
+/*
+ * Static cgi table where we associate callback to page.
+ */
static HttpCGI cgi_table[] =
{
- { "status", cgi_status },
- { "bertos_logo_jpg.jpg", cgi_logo },
- { NULL, NULL }
+ { 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_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 }
};
{
struct netconn *server;
-
/* Hardware initialization */
init();
+ http_init(http_htmPageLoad, cgi_table);
- proc_new(status_process, NULL, KERN_MINSTACKSIZE * 2, NULL);
+ lcd_hx8347_blitBitmap24(12, 52, BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, bmp_logo);
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));
+ LOG_INFO("dhcp ok: ip = %s\n", status.local_ip);
+
+ text_xprintf(lcd_bitmap, 14, 0, 0, "Board ip: %s", status.local_ip);
+ lcd_hx8347_blitBitmap(lcd_bitmap);
+
+
+ proc_new(proc_displayRefresh, NULL, KERN_MINSTACKSIZE * 2, NULL);
server = netconn_new(NETCONN_TCP);
netconn_bind(server, IP_ADDR_ANY, 80);
while (1)
{
- http_server(server, cgi_table);
+ http_poll(server);
}
}
projects / bertos.git / blobdiff