add animation

This commit is contained in:
King Kévin 2016-01-26 09:46:36 +01:00
parent a7e4d8f4ea
commit c1efb819a5
1 changed files with 38 additions and 3 deletions

41
main.c
View File

@ -20,6 +20,7 @@
#include <stdlib.h> // standard utilities
#include <unistd.h> // standard streams
#include <errno.h> // error number utilities
#include <string.h> // stting utilities
/* STM32 (including CM3) libraries */
#include <libopencm3/stm32/rcc.h> // real-time control clock library
@ -75,9 +76,9 @@ int main(void)
setbuf(stdout, NULL); // set standard out buffer to NULL to immediately print
setbuf(stderr, NULL); // set standard error buffer to NULL to immediately print
printf("welcome to the STM32F1 CuVoodoo display driver\n");
printf("welcome to the STM32F1 CuVoodoo vacuum fluorescent display driver\n");
printf("testing VFD\n");
vfd_on(); // switch on VFD
vfd_test(); // show all anodes
for (uint32_t i = 0; i < 0x800000; i++) { // show for a bit of time
@ -85,6 +86,40 @@ int main(void)
}
vfd_clear(); // clear all data
printf("scrolling message\n");
const char* message = " follow the white rabbit "; // message to display (shifted by left-padded by VFD_MATRIX (12), right padded by VFD_MATRIX-VFD_DIGITS (2))
for (uint8_t i=0; i<strlen(message); i++) { // scroll through message (from right to left)
vfd_clear(); // clear display
for (uint8_t j=i; j<strlen(message); j++) { // display message
if (j+2<(uint8_t)strlen(message)) { // align VFD_MATRIX (12) to VFD_DIGITS (10)
vfd_digit(j-i,message[j+2]); // shift the matrix display
}
vfd_matrix(j-i,message[j]); // show digit
}
for (uint32_t j = 0; j < 0x200000; j++) { // show for a bit of time
__asm__("nop");
}
}
vfd_clear(); // clear all data
printf("showing animation\n");
// show rabbit + number animation
const uint8_t animation[] = {2,3,2,3,2,3,7,6,7,6,7,6}; // rabbit animation (using pict5x7)
for (uint8_t i=0; i<sizeof(animation) && i<VFD_MATRIX; i++) {
vfd_clear(); // clear display
vfd_matrix(i,0x80+animation[i]); // show rabbit
for (uint8_t j=0; j<50; j++) {
for (uint8_t k=0; k<VFD_DIGITS; k++) {
vfd_digit(k,'0'+(rand()%10)); // show (not very) random number
for (uint32_t l = 0; l<0x4000; l++) { // show for a bit of time
__asm__("nop");
}
}
}
}
vfd_clear(); // clear all data
printf("type to display\n");
uint8_t vfd_place = 0; // the place on which the next character will be displayed on the VFD
bool vfd_flag = false; // do something with the VFD
char c = 0; // the character to display
@ -99,7 +134,7 @@ int main(void)
}
while (vfd_flag) {
vfd_flag = false;
printf("%c", c); // transmit receive character
printf("%c", c); // transmit receive character
gpio_toggle(LED_PORT, LED_PIN); // toggle LED to show activity
if (c=='\r' || c=='\n') { // on newline
vfd_clear(); // clear display