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iceprog: Use open-drain output to drive SS and Reset line 

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut 2020-06-02 10:31:46 +02:00
parent c5a8beffec
commit 98d8bee04f
1 changed files with 5 additions and 5 deletions
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10
iceprog/iceprog.c
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@ -96,16 +96,16 @@ enum flash_cmd {
static void set_cs_creset(int cs_b, int creset_b)
{
uint8_t gpio = 0;
uint8_t direction = 0x93;
uint8_t direction = 0x03;
if (cs_b) {
if (!cs_b) {
// ADBUS4 (GPIOL0)
gpio |= 0x10;
direction |= 0x10;
}
if (creset_b) {
if (!creset_b) {
// ADBUS7 (GPIOL3)
gpio |= 0x80;
direction |= 0x80;
}
mpsse_set_gpio(gpio, direction);