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led_matrix works now

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This commit is contained in:
skullY
2019-01-26 21:25:59 -08:00
committed by skullydazed
parent bf2670601d
commit 6b74dd6de5
7 changed files with 45 additions and 39 deletions
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11
drivers/arm/i2c_master.c
View File

@@ -46,13 +46,13 @@ __attribute__ ((weak))
void i2c_init(void)
{
// Try releasing special pins for a short time
palSetPadMode(GPIOB, 6, PAL_MODE_INPUT);
palSetPadMode(GPIOB, 7, PAL_MODE_INPUT);
palSetPadMode(I2C1_BANK, I2C1_SCL, PAL_MODE_INPUT);
palSetPadMode(I2C1_BANK, I2C1_SDA, PAL_MODE_INPUT);
chThdSleepMilliseconds(10);
palSetPadMode(GPIOB, 6, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN);
palSetPadMode(GPIOB, 7, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN);
palSetPadMode(I2C1_BANK, I2C1_SCL, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN);
palSetPadMode(I2C1_BANK, I2C1_SDA, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN);
//i2cInit(); //This is invoked by halInit() so no need to redo it.
}
@@ -67,6 +67,7 @@ uint8_t i2c_start(uint8_t address)
uint8_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout)
{
// FIXME: Next steps: Add a print here, copy this file to your rgb_matrix firmware. Compare both.
i2c_address = address;
i2cStart(&I2C_DRIVER, &i2cconfig);
return i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), data, length, 0, 0, MS2ST(timeout));

10
drivers/arm/i2c_master.h
View File

@@ -26,6 +26,16 @@
#include "ch.h"
#include <hal.h>
#ifndef I2C1_BANK
#define I2C1_BANK GPIOB
#endif
#ifndef I2C1_SCL
#define I2C1_SCL 6
#endif
#ifndef I2C1_SDA
#define I2C1_SDA 7
#endif
#ifndef I2C_DRIVER
#define I2C_DRIVER I2CD1
#endif