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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <eos.h>
#include <event.h>
#include <spi.h>
#include <uart.h>
#include <net.h>
#include <cell.h>
#include <eve/eve.h>
#include <eve/eve_kbd.h>
#include <eve/eve_text.h>
#include <eve/eve_font.h>
#include <eve/screen/window.h>
#include <eve/screen/page.h>
#include <eve/screen/form.h>
#include <eve/widget/widgets.h>
#include <app/app_root.h>
#include <app/app_form.h>
#include "modem.h"
typedef struct {
uint32_t mem;
EVEViewStack *stack;
eos_evt_handler_t cell_dev_handler;
EVEText text;
} VParam;
static void key_down(void *p, int c) {
EVEView *view = p;
EVEText *text = &((VParam *)view->param)->text;
unsigned char *buf;
int i = 2;
if (c == 0x11) {
app_modem_close(view);
return;
}
buf = eos_net_alloc();
buf[0] = EOS_CELL_MTYPE_DEV | EOS_CELL_MTYPE_UART_DATA;
if (c == '\n') {
buf[1] = '\r';
buf[2] = '\n';
i++;
} else {
buf[1] = c;
}
eos_net_send(EOS_NET_MTYPE_CELL, buf, i, 0);
eve_text_scroll0(text);
}
static void handle_uart(unsigned char type) {
int i = 0;
int c = 0;
unsigned char *buf = NULL;
c = eos_uart_getc(0);
if (c == EOS_ERR_EMPTY) return;
buf = eos_net_alloc();
buf[0] = EOS_CELL_MTYPE_DEV | EOS_CELL_MTYPE_UART_DATA;
buf[1] = c;
i = 2;
while ((c = eos_uart_getc(0)) != EOS_ERR_EMPTY) {
buf[i] = c;
i++;
if (i == EOS_NET_SIZE_BUF) break;
}
eos_net_send(EOS_NET_MTYPE_CELL, buf, i, 0);
eos_uart_rxwm_set(0);
}
static void handle_cell_msg(unsigned char type, unsigned char *buffer, uint16_t len) {
EVEWindow *root = app_root();
EVEWindow *window = eve_window_search(root, "main");
VParam *param = window->view->param;
if (type == EOS_CELL_MTYPE_UART_DATA) {
EVEText *text = ¶m->text;
int i;
eve_spi_start();
for (i=1; i<len; i++) {
if (buffer[i] != '\r') eve_text_putc(text, buffer[i]);
}
if (text->dirty) {
text->dirty = 0;
eve_window_root_draw(root);
}
eve_spi_stop();
eos_net_free(buffer, 0);
} else {
param->cell_dev_handler(type, buffer, len);
}
}
static uint8_t modem_draw(EVEView *view, uint8_t tag0) {
VParam *param = view->param;
EVEText *text = ¶m->text;
tag0 = eve_view_clear(view, tag0);
return eve_text_draw(text, tag0);
}
static int modem_touch(EVEView *view, EVETouch *touch, uint16_t evt, uint8_t tag0) {
VParam *param = view->param;
EVEText *text = ¶m->text;
return eve_text_touch(text, touch, evt, tag0);
}
void app_modem(EVEWindow *window, EVEViewStack *stack) {
unsigned char *buf;
EVEWindowRoot *root = (EVEWindowRoot *)window->root;
EVEKbd *kbd = eve_window_kbd(window);
EVERect g = {0, 60, 480, 512};
EVEView *view;
VParam *param;
view = eve_malloc(sizeof(EVEView));
param = eve_malloc(sizeof(VParam));
param->mem = root->mem_next;
param->stack = stack;
param->cell_dev_handler = eos_cell_get_handler(EOS_CELL_MTYPE_DEV);
eve_text_init(¶m->text, &g, 30, 16, 200, root->mem_next, &root->mem_next);
eve_view_init(view, window, modem_draw, modem_touch, NULL, param);
eve_kbd_set_handler(kbd, key_down, view);
eve_window_kbd_attach(window);
eos_uart_set_handler(EOS_UART_ETYPE_RX, handle_uart);
eos_cell_set_handler(EOS_CELL_MTYPE_DEV, handle_cell_msg);
eos_net_acquire_for_evt(EOS_EVT_UART | EOS_UART_ETYPE_RX, 1);
buf = eos_net_alloc();
buf[0] = EOS_CELL_MTYPE_DEV | EOS_CELL_MTYPE_UART_TAKE;
eos_net_send(EOS_NET_MTYPE_CELL, buf, 1, 0);
eos_uart_rxwm_set(0);
}
void app_modem_close(EVEView *view) {
unsigned char *buf = eos_net_alloc();
VParam *param = view->param;
EVEWindow *window = view->window;
EVEWindowRoot *root = (EVEWindowRoot *)window->root;
EVEKbd *kbd = eve_window_kbd(window);
EVEViewStack *stack = param->stack;
buf[0] = EOS_CELL_MTYPE_DEV | EOS_CELL_MTYPE_RESET;
eos_net_send(EOS_NET_MTYPE_CELL, buf, 1, 0);
eos_uart_rxwm_clear();
eos_uart_set_handler(EOS_UART_ETYPE_RX, NULL);
eos_cell_set_handler(EOS_CELL_MTYPE_DEV, param->cell_dev_handler);
eos_net_acquire_for_evt(EOS_EVT_UART | EOS_UART_ETYPE_RX, 0);
root->mem_next = param->mem;
eve_window_kbd_detach(window);
eve_kbd_set_handler(kbd, NULL, NULL);
eve_free(param);
eve_free(view);
eve_view_destroy(window, stack);
}
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