irom uint8_t u8g_com_esp8266_ssd_i2c_fn(u8g_t * u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
{
switch (msg) {
case U8G_COM_MSG_INIT:
// we assume that the i2c bus was already initialized
//u8g_i2c_init(u8g->pin_list[U8G_PI_I2C_OPTION]);
platform_i2c_setup(4, 5);
break;
case U8G_COM_MSG_STOP:
break;
case U8G_COM_MSG_RESET:
/* Currently disabled, but it could be enable. Previous restrictions have been removed */
digitalWrite(D4, arg_val);
break;
case U8G_COM_MSG_CHIP_SELECT:
u8g->pin_list[U8G_PI_A0_STATE] = 0;
u8g->pin_list[U8G_PI_SET_A0] = 1; /* force a0 to set again, also forces start condition */
if (arg_val == 0) {
/* disable chip, send stop condition */
platform_i2c_send_stop();
} else {
/* enable, do nothing: any byte writing will trigger the i2c start */
}
break;
case U8G_COM_MSG_WRITE_BYTE:
//u8g->pin_list[U8G_PI_SET_A0] = 1;
if (u8g_com_esp8266_ssd_start_sequence(u8g) == 0)
return platform_i2c_send_stop(), 0;
// ignore return value -> tolerate missing ACK
if (platform_i2c_send_byte(arg_val) == 0) ;
break;
case U8G_COM_MSG_WRITE_SEQ:
case U8G_COM_MSG_WRITE_SEQ_P:
//u8g->pin_list[U8G_PI_SET_A0] = 1;
if (u8g_com_esp8266_ssd_start_sequence(u8g) == 0)
return platform_i2c_send_stop(), 0;
{
register uint8_t *ptr = arg_ptr;
while (arg_val > 0) {
// ignore return value -> tolerate missing ACK
if (platform_i2c_send_byte(*ptr++) == 0) ;
arg_val--;
}
}
break;
case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
u8g->pin_list[U8G_PI_SET_A0] = 1; /* force a0 to set again */
break;
}
return 1;
}
// Lua: speed = i2c.setup( id, speed )
static int i2c_setup( lua_State *L )
{
unsigned id = luaL_checkinteger( L, 1 );
u32 speed = ( u32 )luaL_checkinteger( L, 2 );
MOD_CHECK_ID( i2c, id );
lua_pushinteger( L, platform_i2c_setup( id, speed ) );
return 1;
}
// Lua: speed = i2c.setup( id, speed )
static int i2c_setup( lua_State *L )
{
unsigned id = luaL_checkinteger( L, 1 );
s32 speed = ( s32 )luaL_checkinteger( L, 2 );
MOD_CHECK_ID( i2c, id );
if (speed <= 0)
return luaL_error( L, "frequency must be > 0" );
lua_pushinteger( L, platform_i2c_setup( id, (u32)speed ) );
return 1;
}
/******************************************************************************
* FunctionName : user_init
* Description : entry of user application, init user function here
* Parameters : none
* Returns : none
*******************************************************************************/
void user_init(void)
{
os_delay_us(1000*1000);
uart_init (BIT_RATE_115200, BIT_RATE_115200, USER_TASK_PRIO_0, 0);
os_delay_us(100*1000);
os_printf("Interactive Cube starting..\n");
config_init();
platform_i2c_setup(i2c_endpoint_id, 1, 2, PLATFORM_I2C_SPEED_SLOW);
display_init();
NODE_DBG("SDK version: %s\n", system_get_sdk_version());
system_print_meminfo();
os_printf("Heap size: %d.\n", system_get_free_heap_size());
#ifndef NODE_DEBUG
system_set_os_print(1);
#endif
int b;
for(b=0; b<4; b++) {
display_set_pixel(0, 1);
display_update_inner();
os_delay_us(500*1000);
display_update_inner();
display_set_pixel(0, 0);
display_update_inner();
os_delay_us(500*1000);
display_update_inner();
}
if (display_is_key_down(0)) {
// enter setup mode, show as blinking...!
configui_init();
return;
}
display_set_pixel(0, 1);
display_set_pixel(1, 1);
display_set_pixel(2, 1);
display_update_inner();
// uart_init(BIT_RATE_9600,0);
os_delay_us(100*1000);
os_delay_us(1000*1000);
display_anim();
// os_delay_us(500*1000);
NODE_DBG("Hello Wurst.\n");
// os_delay_us(500*1000);
// Set up I2C
// Wire.begin(D1, D2); // sda, scl
display_set_pixel(0, 0);
display_set_pixel(1, 0);
display_set_pixel(2, 0);
display_set_pixel(3, 0);
display_update();
comm_init();
orient_init();
// system_init_done_cb(nodemcu_init);
system_os_task(loop, user_procTaskPrio,user_procTaskQueue, user_procTaskQueueLen);
system_os_post(user_procTaskPrio, 0, 0);
NODE_DBG("End of user_init.\n");
}
