Add experimental detection of separate USB-PD I2C bus for S99 v1.5 and S60P v1.2

This commit is contained in:
jonasius
2024-06-25 19:07:22 +02:00
parent c776390ac3
commit e9117269ef
6 changed files with 66 additions and 78 deletions

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@@ -122,75 +122,7 @@ void HAL_TIM_PWM_PulseFinishedCallback(TIM_HandleTypeDef *htim) {
}
void unstick_I2C() {
#ifdef SCL_Pin
GPIO_InitTypeDef GPIO_InitStruct;
int timeout = 100;
int timeout_cnt = 0;
// 1. Clear PE bit.
hi2c1.Instance->CR1 &= ~(0x0001);
/**I2C1 GPIO Configuration
PB6 ------> I2C1_SCL
PB7 ------> I2C1_SDA
*/
// 2. Configure the SCL and SDA I/Os as General Purpose Output Open-Drain, High level (Write 1 to GPIOx_ODR).
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Pin = SCL_Pin;
HAL_GPIO_Init(SCL_GPIO_Port, &GPIO_InitStruct);
HAL_GPIO_WritePin(SCL_GPIO_Port, SCL_Pin, GPIO_PIN_SET);
GPIO_InitStruct.Pin = SDA_Pin;
HAL_GPIO_Init(SDA_GPIO_Port, &GPIO_InitStruct);
HAL_GPIO_WritePin(SDA_GPIO_Port, SDA_Pin, GPIO_PIN_SET);
while (GPIO_PIN_SET != HAL_GPIO_ReadPin(SDA_GPIO_Port, SDA_Pin)) {
// Move clock to release I2C
HAL_GPIO_WritePin(SCL_GPIO_Port, SCL_Pin, GPIO_PIN_RESET);
asm("nop");
asm("nop");
asm("nop");
asm("nop");
HAL_GPIO_WritePin(SCL_GPIO_Port, SCL_Pin, GPIO_PIN_SET);
timeout_cnt++;
if (timeout_cnt > timeout) {
return;
}
}
// 12. Configure the SCL and SDA I/Os as Alternate function Open-Drain.
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Pin = SCL_Pin;
HAL_GPIO_Init(SCL_GPIO_Port, &GPIO_InitStruct);
GPIO_InitStruct.Pin = SDA_Pin;
HAL_GPIO_Init(SDA_GPIO_Port, &GPIO_InitStruct);
HAL_GPIO_WritePin(SCL_GPIO_Port, SCL_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(SDA_GPIO_Port, SDA_Pin, GPIO_PIN_SET);
// 13. Set SWRST bit in I2Cx_CR1 register.
hi2c1.Instance->CR1 |= 0x8000;
asm("nop");
// 14. Clear SWRST bit in I2Cx_CR1 register.
hi2c1.Instance->CR1 &= ~0x8000;
asm("nop");
// 15. Enable the I2C peripheral by setting the PE bit in I2Cx_CR1 register
hi2c1.Instance->CR1 |= 0x0001;
// Call initialization function.
HAL_I2C_Init(&hi2c1);
#endif
}
uint8_t getButtonA() { return HAL_GPIO_ReadPin(KEY_A_GPIO_Port, KEY_A_Pin) == GPIO_PIN_RESET ? 1 : 0; }

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@@ -5,19 +5,32 @@
* Author: Ralim
*/
#ifndef BSP_MINIWARE_SOFTWARE_I2C_H_
#define BSP_MINIWARE_SOFTWARE_I2C_H_
#ifndef BSP_SEQURE_SOFTWARE_I2C_H_
#define BSP_SEQURE_SOFTWARE_I2C_H_
#include "BSP.h"
#include "configuration.h"
#include "stm32f1xx_hal.h"
#ifdef I2C_SOFT_BUS_2
#ifdef I2C_SOFT_BUS_1
#define SOFT_SCL1_HIGH() HAL_GPIO_WritePin(SCL_GPIO_Port, SCL_Pin, GPIO_PIN_SET)
#define SOFT_SCL1_LOW() HAL_GPIO_WritePin(SCL_GPIO_Port, SCL_Pin, GPIO_PIN_RESET)
#define SOFT_SDA1_HIGH() HAL_GPIO_WritePin(SDA_GPIO_Port, SDA_Pin, GPIO_PIN_SET)
#define SOFT_SDA1_LOW() HAL_GPIO_WritePin(SDA_GPIO_Port, SDA_Pin, GPIO_PIN_RESET)
#define SOFT_SDA1_READ() (HAL_GPIO_ReadPin(SDA_GPIO_Port, SDA_Pin) == GPIO_PIN_SET ? 1 : 0)
#define SOFT_SCL1_READ() (HAL_GPIO_ReadPin(SCL_GPIO_Port, SCL_Pin) == GPIO_PIN_SET ? 1 : 0)
#endif /* I2C_SOFT_BUS_1 */
#ifdef I2C_SOFT_BUS_2
#define SOFT_SCL2_HIGH() HAL_GPIO_WritePin(SCL2_GPIO_Port, SCL2_Pin, GPIO_PIN_SET)
#define SOFT_SCL2_LOW() HAL_GPIO_WritePin(SCL2_GPIO_Port, SCL2_Pin, GPIO_PIN_RESET)
#define SOFT_SDA2_HIGH() HAL_GPIO_WritePin(SDA2_GPIO_Port, SDA2_Pin, GPIO_PIN_SET)
#define SOFT_SDA2_LOW() HAL_GPIO_WritePin(SDA2_GPIO_Port, SDA2_Pin, GPIO_PIN_RESET)
#define SOFT_SDA2_READ() (HAL_GPIO_ReadPin(SDA2_GPIO_Port, SDA2_Pin) == GPIO_PIN_SET ? 1 : 0)
#define SOFT_SCL2_READ() (HAL_GPIO_ReadPin(SCL2_GPIO_Port, SCL2_Pin) == GPIO_PIN_SET ? 1 : 0)
#endif /* I2C_SOFT_BUS_2 */
// clang-format off
#define SOFT_I2C_DELAY() \
{ \
@@ -27,7 +40,6 @@
}
// clang-format on
#endif
// 40 ~= 100kHz; 15 gives around 250kHz or so which is fast _and_ stable
#endif /* BSP_MINIWARE_SOFTWARE_I2C_H_ */
#endif /* BSP_SEQURE_SOFTWARE_I2C_H_ */

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@@ -194,6 +194,8 @@
#define HAS_POWER_DEBUG_MENU
#define TEMP_NTC
#define I2C_SOFT_BUS_2 // For now we are doing software I2C to get around hardware chip issues
#define I2C_PROBE_POW_PD // For now we are doing software I2C to get around hardware chip issues
#define I2C_SOFT_BUS_1 // For now we are doing software I2C to get around hardware chip issues
#define OLED_I2CBB2
#define MODEL_HAS_DCDC // We dont have DC/DC but have reallly fast PWM that gets us roughly the same place
@@ -227,6 +229,8 @@
#define HAS_POWER_DEBUG_MENU
#define TEMP_NTC
#define I2C_SOFT_BUS_2 // For now we are doing software I2C to get around hardware chip issues
#define I2C_PROBE_POW_PD // For now we are doing software I2C to get around hardware chip issues
#define I2C_SOFT_BUS_1 // For now we are doing software I2C to get around hardware chip issues
#define OLED_I2CBB2
#define MODEL_HAS_DCDC // We dont have DC/DC but have reallly fast PWM that gets us roughly the same place

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@@ -6,10 +6,14 @@
*/
#include "BSP.h"
#include "I2CBB1.hpp"
#include "I2CBB2.hpp"
#include "Pins.h"
#include "Setup.h"
#include <I2C_Wrapper.hpp>
#if defined(I2C_PROBE_POW_PD) && POW_PD_EXT == 2
#include "FS2711.hpp"
#endif
void preRToSInit() {
/* Reset of all peripherals, Initializes the Flash interface and the Systick.
@@ -19,5 +23,11 @@ void preRToSInit() {
BSPInit();
#ifdef I2C_SOFT_BUS_2
I2CBB2::init();
#endif
#if defined(I2C_PROBE_POW_PD) && POW_PD_EXT == 2
// Detect FS2711 I2C bus num
if (FS2711::detect_i2c_bus_num() == 1) {
I2CBB1::init();
}
#endif /* defined(I2C_PROBE_POW_PD) && POW_PD_EXT == 2 */
#endif /* I2C_SOFT_BUS_2 */
}

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@@ -1,5 +1,6 @@
#include "FS2711.hpp"
#include "FS2711_defines.h"
#include "I2CBB1.hpp"
#include "I2CBB2.hpp"
#include "Settings.h"
#include "Utils.h"
@@ -17,17 +18,44 @@
extern int32_t powerSupplyWattageLimit;
uint8_t I2C_PORT = 2;
fs2711_state_t FS2711::state;
inline void i2c_write(uint8_t addr, uint8_t data) { I2CBB2::Mem_Write(FS2711_ADDR, addr, &data, 1); }
void i2c_write(uint8_t addr, uint8_t data) {
if (I2C_PORT == 2) {
I2CBB2::Mem_Write(FS2711_ADDR, addr, &data, 1);
} else if (I2C_PORT == 1) {
I2CBB1::Mem_Write(FS2711_ADDR, addr, &data, 1);
}
}
inline uint8_t i2c_read(uint8_t addr) {
uint8_t i2c_read(uint8_t addr) {
uint8_t data = 0;
I2CBB2::Mem_Read(FS2711_ADDR, addr, &data, 1);
if (I2C_PORT == 2) {
I2CBB2::Mem_Read(FS2711_ADDR, addr, &data, 1);
} else if (I2C_PORT == 1) {
I2CBB1::Mem_Read(FS2711_ADDR, addr, &data, 1);
}
return data;
}
inline bool i2c_probe(uint8_t addr) { return I2CBB2::probe(addr); }
bool i2c_probe(uint8_t addr) {
if (I2C_PORT == 2) {
I2CBB2::probe(addr);
} else if (I2C_PORT == 1) {
I2CBB1::probe(addr);
}
return false;
}
uint8_t FS2711::detect_i2c_bus_num() {
if (I2CBB2::probe(FS2711_ADDR)) {
I2C_PORT = 2;
} else {
I2C_PORT = 1;
}
return I2C_PORT;
}
void FS2711::start() {
memset(&state, 0, sizeof(fs2711_state_t));

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@@ -19,6 +19,8 @@ typedef struct {
class FS2711 {
public:
static uint8_t detect_i2c_bus_num();
static bool probe();
static void start();