Bell Huang / pixart_pah8011

class pah8011 for mbed

pah8011/pah_comm.c@6:d196b612b14a, 2019-01-23 (annotated)

Committer:
bell_huang
Date:
Wed Jan 23 08:01:57 2019 +0000
Revision:
6:d196b612b14a
Remove mbed

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bell_huang 6:d196b612b14a 1 #include "pah_comm.h"
bell_huang 6:d196b612b14a 2
bell_huang 6:d196b612b14a 3 #include "pah_util.h"
bell_huang 6:d196b612b14a 4
bell_huang 6:d196b612b14a 5
bell_huang 6:d196b612b14a 6 /*============================================================================
bell_huang 6:d196b612b14a 7 STATIC VARIABLE DEFINITIONS
bell_huang 6:d196b612b14a 8 ============================================================================*/
bell_huang 6:d196b612b14a 9 static bool _has_drv_comm = false;
bell_huang 6:d196b612b14a 10 static pah_drv_comm_s _drv_comm;
bell_huang 6:d196b612b14a 11
bell_huang 6:d196b612b14a 12
bell_huang 6:d196b612b14a 13 /*============================================================================
bell_huang 6:d196b612b14a 14 PUBLIC FUNCTION DEFINITIONS
bell_huang 6:d196b612b14a 15 ============================================================================*/
bell_huang 6:d196b612b14a 16 void pah_comm_set_drv_comm(const pah_drv_comm_s *drv_comm)
bell_huang 6:d196b612b14a 17 {
bell_huang 6:d196b612b14a 18 memcpy(&_drv_comm, drv_comm, sizeof(*drv_comm));
bell_huang 6:d196b612b14a 19 _has_drv_comm = true;
bell_huang 6:d196b612b14a 20 }
bell_huang 6:d196b612b14a 21
bell_huang 6:d196b612b14a 22 bool pah_comm_write(uint8_t addr, uint8_t data)
bell_huang 6:d196b612b14a 23 {
bell_huang 6:d196b612b14a 24 if (!_has_drv_comm)
bell_huang 6:d196b612b14a 25 return false;
bell_huang 6:d196b612b14a 26
bell_huang 6:d196b612b14a 27 if (_drv_comm.type == pah_drv_comm_spi)
bell_huang 6:d196b612b14a 28 PAH_CLEAR_BIT(addr, 7); //write, bit7 = 0
bell_huang 6:d196b612b14a 29
bell_huang 6:d196b612b14a 30 return PAH_SUCCEEDED(_drv_comm.write(&_drv_comm, addr, data));
bell_huang 6:d196b612b14a 31 }
bell_huang 6:d196b612b14a 32
bell_huang 6:d196b612b14a 33 bool pah_comm_read(uint8_t addr, uint8_t *data)
bell_huang 6:d196b612b14a 34 {
bell_huang 6:d196b612b14a 35 if (!_has_drv_comm)
bell_huang 6:d196b612b14a 36 return false;
bell_huang 6:d196b612b14a 37
bell_huang 6:d196b612b14a 38 if (_drv_comm.type == pah_drv_comm_spi)
bell_huang 6:d196b612b14a 39 PAH_SET_BIT(addr, 7); //read, bit7 = 1
bell_huang 6:d196b612b14a 40
bell_huang 6:d196b612b14a 41 return PAH_SUCCEEDED(_drv_comm.read(&_drv_comm, addr, data));
bell_huang 6:d196b612b14a 42 }
bell_huang 6:d196b612b14a 43
bell_huang 6:d196b612b14a 44 bool pah_comm_burst_read(uint8_t addr, uint8_t *data, uint16_t num)
bell_huang 6:d196b612b14a 45 {
bell_huang 6:d196b612b14a 46 if (!_has_drv_comm)
bell_huang 6:d196b612b14a 47 return false;
bell_huang 6:d196b612b14a 48
bell_huang 6:d196b612b14a 49 if (_drv_comm.type == pah_drv_comm_spi)
bell_huang 6:d196b612b14a 50 PAH_SET_BIT(addr, 7); //read, bit7 = 1
bell_huang 6:d196b612b14a 51
bell_huang 6:d196b612b14a 52 return PAH_SUCCEEDED(_drv_comm.burst_read(&_drv_comm, addr, data, num));
bell_huang 6:d196b612b14a 53 }
bell_huang 6:d196b612b14a 54
bell_huang 6:d196b612b14a 55 pah_comm_bus_e pah_comm_get_bus_type(void)
bell_huang 6:d196b612b14a 56 {
bell_huang 6:d196b612b14a 57 if (_drv_comm.type == pah_drv_comm_spi)
bell_huang 6:d196b612b14a 58 return pah_comm_bus_spi;
bell_huang 6:d196b612b14a 59 return pah_comm_bus_i2c;
bell_huang 6:d196b612b14a 60 }