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stm32: Fix N32G45x ADC pin mapping (#7016)

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Fixes PA0 (GPIO 0) incorrectly mapping to ADC1_IN0 due to
collision with placeholder zeros.

Signed-off-by: Lev Voronov <minicx@disroot.org>
Co-authored-by: Alexander Simonov <me@darksimpson.com>
This commit is contained in:
minicx
2025-08-21 18:41:07 +03:00
committed by GitHub
parent 7ed7791723
commit 3a11645afe
1 changed files with 29 additions and 27 deletions
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56
src/stm32/n32g45x_adc.c
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@@ -14,6 +14,8 @@
#include "sched.h" // sched_shutdown
#include "n32g45x_adc.h" // ADC
#define ADC_INVALID_PIN 0xFF
DECL_CONSTANT("ADC_MAX", 4095);
#define ADC_TEMPERATURE_PIN 0xfe
@@ -21,42 +23,42 @@ DECL_ENUMERATION("pin", "ADC_TEMPERATURE", ADC_TEMPERATURE_PIN);
static const uint8_t adc_pins[] = {
// ADC1
0, GPIO('A', 0), GPIO('A', 1), GPIO('A', 6),
GPIO('A', 3), GPIO('F', 4), 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
ADC_TEMPERATURE_PIN, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
ADC_INVALID_PIN, GPIO('A', 0), GPIO('A', 1), GPIO('A', 6),
GPIO('A', 3), GPIO('F', 4), ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_TEMPERATURE_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
// ADC2
0, GPIO('A', 4), GPIO('A', 5), GPIO('B', 1),
ADC_INVALID_PIN, GPIO('A', 4), GPIO('A', 5), GPIO('B', 1),
GPIO('A', 7), GPIO('C', 4), GPIO('C', 0), GPIO('C', 1),
GPIO('C', 2), GPIO('C', 3), GPIO('F', 2), GPIO('A', 2),
GPIO('C', 5), GPIO('B', 2), 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
GPIO('C', 5), GPIO('B', 2), ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
#if CONFIG_MACH_N32G455 // ADC3/4 for G455 only
// ADC3
0, GPIO('B', 11), GPIO('E', 9), GPIO('E', 13),
ADC_INVALID_PIN, GPIO('B', 11), GPIO('E', 9), GPIO('E', 13),
GPIO('E', 12), GPIO('B', 13), GPIO('E', 8), GPIO('D', 10),
GPIO('D', 11), GPIO('D', 12), GPIO('D', 13), GPIO('D', 14),
GPIO('B', 0), GPIO('E', 7), GPIO('E', 10), GPIO('E', 11),
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
// ADC4
0, GPIO('E', 14), GPIO('E', 15), GPIO('B', 12),
GPIO('B', 14), GPIO('B', 15), 0, 0,
0, 0, 0, 0,
GPIO('D', 8), GPIO('D', 9), 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
ADC_INVALID_PIN, GPIO('E', 14), GPIO('E', 15), GPIO('B', 12),
GPIO('B', 14), GPIO('B', 15), ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
GPIO('D', 8), GPIO('D', 9), ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN, ADC_INVALID_PIN,
#endif
};