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Commit 88879557 authored by Xavier Piroux's avatar Xavier Piroux Committed by Projects
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preparing for testing the SD

parent 70da90fe
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Showing with 10 additions and 19 deletions
sw/common/drivers/sd.c
View file @ 88879557
......@@ -117,7 +117,7 @@ static void sd_spi_transfer(uint8_t* txData, uint8_t* rxData, int length) {
rxData[i] = sd_spi_transfer_byte(txData[i]);
}
}
//this function writes only
//this function writes only, but can be more efficient if bytes are aligned at 16 bits
static void sd_spi_transmit(uint8_t *txBuffer, int length) {
while (length > 0) {
// Send only one byte if len==1 or data pointer is not aligned at a 16 bit
......
sw/os-comparison/simple_spi_sd/src/simple_spi_sd.c
View file @ 88879557
......@@ -89,10 +89,6 @@ int main(void)
CMU_ClockEnable(cmuClock_GPIO, true);
//init SPI for microSD
//SPI_setup(1, 1, 1);
/* Enabling clock to USART 1*/
//CMU_ClockEnable(cmuClock_USART1, true);
//sd_vol0_set_electrical_power(1);
sd_spi_init_not_static();
sd_power(1);
......@@ -102,23 +98,18 @@ int main(void)
/* Infinite blink loop */
while (1) {
//GPIO_PinOutToggle(gpioPortD, 2);
//GPIO_PinOutToggle(gpioPortD, 0);
//GPIO_PinOutToggle(gpioPortD, 0);
//GPIO_PinOutToggle(gpioPortD, 3);
//GPIO_PinOutToggle(gpioPortD, 3);
//char c[2] = { 0b00001111 , 0b01010101 };
//USART1_sendBuffer(&c[0], 1);
//USART1_sendBuffer(&c[1], 1);
//sd_send_data_00001111();
//sd_send_data_01010101();
//this code is ok but not what we want (it only test spi protocol, we want now to test the SD)
//res = sd_spi_transfer_byte(0b00001111);
//res = sd_spi_transfer_byte(0b01010101);
//res = sd_spi_transfer_byte(0b00110011);
//send dummy stuff
res = sd_spi_transfer_byte(0xFF);
res++;
Delay(1);
for (i = 11; i < 13; ++i) {
GPIO_PinOutToggle(gpioPortE, i);
res = sd_spi_transfer_byte(0b00001111);
res = sd_spi_transfer_byte(0b01010101);
res = sd_spi_transfer_byte(0b00110011);
res++;
Delay(2);
Delay(1);
}
}
return 0;
......
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