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Modified GPIO code to prevent low pulse when switching to Hi-Z mode. #1074

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Merged
mathias-arm merged 1 commit into from
Apr 30, 2024
+3 −8
Merged

Modified GPIO code to prevent low pulse when switching to Hi-Z mode. #1074

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11 changes: 3 additions & 8 deletions source/hic_hal/maxim/max32625/DAP_config.h
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Original file line number Diff line number Diff line change
Expand Up @@ -236,15 +236,10 @@ Disables the DAP Hardware I/O pins which configures:
*/
__STATIC_INLINE void PORT_OFF (void)
{
// Disable weak pullup in high-z output mode
MXC_GPIO_CLRBIT(swclk_port, swclk_pin);
MXC_GPIO_CLRBIT(swdio_port, swdio_pin);
MXC_GPIO_CLRBIT(nreset_port, nreset_pin);

// High-z output mode
MXC_GPIO_SETMODE(swclk_port, swclk_pin, MXC_V_GPIO_OUT_MODE_HIGH_Z_WEAK_PULLUP);
MXC_GPIO_SETMODE(swdio_port, swdio_pin, MXC_V_GPIO_OUT_MODE_HIGH_Z_WEAK_PULLUP);
MXC_GPIO_SETMODE(nreset_port, nreset_pin, MXC_V_GPIO_OUT_MODE_HIGH_Z_WEAK_PULLUP);
MXC_GPIO_SETMODE(swclk_port, swclk_pin, MXC_V_GPIO_OUT_MODE_NORMAL_HIGH_Z);
MXC_GPIO_SETMODE(swdio_port, swdio_pin, MXC_V_GPIO_OUT_MODE_NORMAL_HIGH_Z);
MXC_GPIO_SETMODE(nreset_port, nreset_pin, MXC_V_GPIO_OUT_MODE_NORMAL_HIGH_Z);
}

// SWCLK/TCK I/O pin -------------------------------------
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