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debug SHM

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This commit is contained in:
optixx
2009-08-30 11:44:27 +02:00
parent 68b882acfb
commit f9e1a7a151
5 changed files with 28 additions and 18 deletions
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19
avr/usbload/shared_memory.c
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@@ -48,6 +48,13 @@ uint8_t scratchpad_locked_rx = 1;
uint8_t scratchpad_locked_tx = 1;
void shared_memory_init(void){
scratchpad_locked_rx = 1;
scratchpad_locked_tx = 1;
}
uint8_t shared_memory_scratchpad_region_save_helper(uint32_t addr){
if(addr > (SHARED_MEM_TX_LOC_STATE + SHARED_MEM_TX_LOC_SIZE) && scratchpad_locked_tx){
@@ -183,10 +190,11 @@ void shared_memory_irq_restore()
void shared_memory_write(uint8_t cmd, uint8_t value)
{
if (scratchpad_locked_tx)
return 0;
if (scratchpad_locked_tx){
debug_P(DEBUG_SHM, PSTR("shared_memory_write: locked_tx\n"));
return 1;
}
debug_P(DEBUG_SHM, PSTR("shared_memory_write: 0x%04x=0x%02x 0x%04x=0x%02x \n"),
SHARED_MEM_TX_LOC_CMD, cmd, SHARED_MEM_TX_LOC_PAYLOAD, value);
@@ -242,9 +250,10 @@ int shared_memory_read(uint8_t *cmd, uint8_t *len,uint8_t *buffer)
{
uint8_t state;
if (scratchpad_locked_rx)
if (scratchpad_locked_rx){
debug_P(DEBUG_SHM, PSTR("shared_memory_write: locked_tx\n"));
return 1;
}
state = sram_read(SHARED_MEM_RX_LOC_STATE);
if (state != SHARED_MEM_RX_AVR_ACK){