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Fix smbus read/write on arduino

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This commit is contained in:
Jeremy Soller
2019-11-15 14:19:21 -07:00
parent 97502b61b0
commit d3c16c5c52
2 changed files with 28 additions and 30 deletions
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12
src/board/arduino/mega2560/battery.c
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@ -2,23 +2,23 @@
#include <common/i2c.h>
uint8_t smbus_read(uint8_t address, uint8_t command, uint16_t * data) {
int smbus_read(uint8_t address, uint8_t command, uint16_t * data) {
return i2c_get(address, command, (uint8_t *)data, 2);
}
uint8_t smbus_write(uint8_t address, uint8_t command, uint16_t data) {
int smbus_write(uint8_t address, uint8_t command, uint16_t data) {
return i2c_set(address, command, (uint8_t *)&data, 2);
}
void battery_debug(void) {
uint16_t data = 0;
uint8_t err = 0;
int res = 0;
#define command(N, A, V) { \
printf(#N ": "); \
err = smbus_read(A, V, &data); \
if (err) { \
printf("ERROR %02X\n", err); \
res = smbus_read(A, V, &data); \
if (res < 0) { \
printf("ERROR %04X\n", -res); \
} else { \
printf("%04X\n", data); \
} \