Firmware: uPD77c25 program download, reset

src/bootldr/config.h

@@ -5,6 +5,8 @@
 // #define DEBUG_IRQ
 // #define DEBUG_MSU1
 
+// #define DEBUG_UART
+
 #ifdef DEBUG_UART
 #define DBG_UART
 #else

src/bootldr/iap.c

@@ -151,6 +151,7 @@ FLASH_RES flash_file(uint8_t *filename) {
 
     uint32_t res;
 
+    writeled(1);
     DBG_BL printf("erasing flash...\n");
     if((res = iap_prepare_for_write(FW_START / 0x1000, FLASH_SECTORS)) != CMD_SUCCESS) {
       DBG_BL printf("error %ld while preparing for erase\n", res);
@@ -172,7 +173,6 @@ FLASH_RES flash_file(uint8_t *filename) {
                                          : (flash_addr >> 12);
       DBG_BL printf("current_sec=%d flash_addr=%08lx\n", current_sec, flash_addr);
       DBG_UART uart_putc('.');
-      toggle_rdy_led();
       if(current_sec < (FW_START / 0x1000)) return ERR_FLASH;
       if((res = iap_prepare_for_write(current_sec, current_sec)) != CMD_SUCCESS) {
         DBG_BL printf("error %ld while preparing sector %d for write\n", res, current_sec);
@@ -188,6 +188,7 @@ FLASH_RES flash_file(uint8_t *filename) {
       DBG_UART uart_putc('X');
       return ERR_FILECHK;
     }
+    writeled(0);
   } else {
     DBG_UART uart_putc('n');
     DBG_BL printf("flash content is ok, no version mismatch, no forced upgrade. No need to flash\n");

src/bootldr/main.c

@@ -45,7 +45,7 @@ int main(void) {
   DBG_UART uart_init();
   led_init();
   readled(0);
-  rdyled(0);
+  rdyled(1);
   writeled(0);
  /* do this last because the peripheral init()s change PCLK dividers */
   clock_init();
@@ -63,9 +63,11 @@ DBG_BL printf("PCONP=%lx\n", LPC_SC->PCONP);
 
   FLASH_RES res = flash_file((uint8_t*)"/sd2snes/firmware.img");
   if(res == ERR_FLASHPREP || res == ERR_FLASHERASE || res == ERR_FLASH) {
+    rdyled(0);
     writeled(1);
   }
   if(res == ERR_FILEHD || res == ERR_FILECHK) {
+    rdyled(0);
     readled(1);
   }
   DBG_BL printf("flash result = %d\n", res);