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trezorhal: turn sdcard/cpt circuitry on/off using PC0/PB10 pin

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This commit is contained in:
Pavol Rusnak 2018-07-05 14:25:59 +02:00
parent dca61a4c7f
commit 6ce106b544
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GPG Key ID: 91F3B339B9A02A3D
3 changed files with 40 additions and 3 deletions
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33
embed/trezorhal/sdcard.c
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@ -51,6 +51,16 @@
static SD_HandleTypeDef sd_handle; static SD_HandleTypeDef sd_handle;
static void sdcard_default_pin_state(void) {
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_0, GPIO_PIN_SET); // SD_ON/PC0
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_8, GPIO_PIN_RESET); // SD_DAT0/PC8
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_9, GPIO_PIN_RESET); // SD_DAT1/PC9
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_10, GPIO_PIN_RESET); // SD_DAT2/PC10
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_11, GPIO_PIN_RESET); // SD_DAT3/PC11
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_12, GPIO_PIN_RESET); // SD_CLK/PC12
HAL_GPIO_WritePin(GPIOD, GPIO_PIN_2, GPIO_PIN_RESET); // SD_CMD/PD2
}
void sdcard_init(void) { void sdcard_init(void) {
// invalidate the sd_handle // invalidate the sd_handle
sd_handle.Instance = NULL; sd_handle.Instance = NULL;
@ -68,11 +78,20 @@ void sdcard_init(void) {
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure); HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
// configure the SD card detect pin // configure the SD card detect pin
GPIO_InitStructure.Mode = GPIO_MODE_INPUT; GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
GPIO_InitStructure.Pull = GPIO_PULLUP; GPIO_InitStructure.Pull = GPIO_PULLUP;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStructure.Pin = GPIO_PIN_13; GPIO_InitStructure.Pin = GPIO_PIN_13;
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure); HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
// configure the SD card circuitry on/off pin
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Pull = GPIO_NOPULL;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStructure.Pin = GPIO_PIN_0;
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
sdcard_default_pin_state();
} }
void HAL_SD_MspInit(SD_HandleTypeDef *hsd) { void HAL_SD_MspInit(SD_HandleTypeDef *hsd) {
@ -90,6 +109,10 @@ secbool sdcard_is_present(void) {
} }
secbool sdcard_power_on(void) { secbool sdcard_power_on(void) {
// turn on SD card circuitry
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_0, GPIO_PIN_RESET); // SD_ON/PC0
HAL_Delay(50);
if (sectrue != sdcard_is_present()) { if (sectrue != sdcard_is_present()) {
return secfalse; return secfalse;
} }
@ -133,6 +156,10 @@ void sdcard_power_off(void) {
} }
HAL_SD_DeInit(&sd_handle); HAL_SD_DeInit(&sd_handle);
sd_handle.Instance = NULL; sd_handle.Instance = NULL;
// turn off SD card circuitry
HAL_Delay(50);
sdcard_default_pin_state();
} }
uint64_t sdcard_get_capacity_in_bytes(void) { uint64_t sdcard_get_capacity_in_bytes(void) {

10
embed/trezorhal/touch.c
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@ -43,6 +43,16 @@ void touch_init(void)
{ {
GPIO_InitTypeDef GPIO_InitStructure; GPIO_InitTypeDef GPIO_InitStructure;
// configure the CTP circuitry on/off pin
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Pull = GPIO_NOPULL;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStructure.Pin = GPIO_PIN_10;
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_10, GPIO_PIN_RESET); // CTP_ON/PB10
HAL_Delay(50);
// Enable I2C clock // Enable I2C clock
__HAL_RCC_I2C1_CLK_ENABLE(); __HAL_RCC_I2C1_CLK_ENABLE();